import json

from django.conf import settings
from django.test import tag
from django.urls import reverse
from django.utils.translation import gettext as _
from rest_framework import status

from core.models import ObjectType
from dcim.choices import *
from dcim.constants import *
from dcim.models import *
from extras.models import ConfigTemplate, Tag
from ipam.choices import VLANQinQRoleChoices
from ipam.models import ASN, RIR, VLAN, VRF, IPAddress
from netbox.api.serializers import GenericObjectSerializer
from tenancy.models import Tenant
from users.constants import TOKEN_PREFIX
from users.models import ObjectPermission, Token, User
from utilities.testing import (
    APITestCase,
    APIViewTestCases,
    GraphQLFilterTest,
    GraphQLQueryTest,
    create_test_device,
    create_test_nat_ip_pair,
    disable_logging,
)
from virtualization.models import Cluster, ClusterType
from wireless.choices import WirelessChannelChoices
from wireless.models import WirelessLAN


class AppTestCase(APITestCase):

    def test_root(self):

        url = reverse('dcim-api:api-root')
        response = self.client.get('{}?format=api'.format(url), **self.header)

        self.assertEqual(response.status_code, 200)


class Mixins:

    class ComponentTraceMixin(APITestCase):
        peer_termination_type = None

        def test_trace(self):
            """
            Test tracing a device component's attached cable.
            """
            obj = self.model.objects.first()
            peer_device = Device.objects.create(
                site=Site.objects.first(),
                device_type=DeviceType.objects.first(),
                role=DeviceRole.objects.first(),
                name='Peer Device'
            )
            if self.peer_termination_type is None:
                raise NotImplementedError(_("Test case must set peer_termination_type"))
            peer_obj = self.peer_termination_type.objects.create(
                device=peer_device,
                name='Peer Termination'
            )
            cable = Cable(a_terminations=[obj], b_terminations=[peer_obj], label='Cable 1')
            cable.save()

            self.add_permissions(f'dcim.view_{self.model._meta.model_name}')
            url = reverse(f'dcim-api:{self.model._meta.model_name}-trace', kwargs={'pk': obj.pk})
            response = self.client.get(url, **self.header)

            self.assertHttpStatus(response, status.HTTP_200_OK)
            self.assertEqual(len(response.data), 1)
            segment1 = response.data[0]
            self.assertEqual(segment1[0][0]['name'], obj.name)
            self.assertEqual(segment1[1]['label'], cable.label)
            self.assertEqual(segment1[2][0]['name'], peer_obj.name)


class RegionTestCase(APIViewTestCases.APIViewTestCase):
    model = Region
    brief_fields = ['_depth', 'description', 'display', 'id', 'name', 'site_count', 'slug', 'url']
    create_data = [
        {
            'name': 'Region 4',
            'slug': 'region-4',
            'comments': 'this is region 4, not region 5',
        },
        {
            'name': 'Region 5',
            'slug': 'region-5',
        },
        {
            'name': 'Region 6',
            'slug': 'region-6',
        },
    ]
    bulk_update_data = {
        'description': 'New description',
        'comments': 'New comments',
    }

    @classmethod
    def setUpTestData(cls):

        Region.objects.create(name='Region 1', slug='region-1')
        Region.objects.create(name='Region 2', slug='region-2', comments='what in the world is happening?')
        Region.objects.create(name='Region 3', slug='region-3')


class SiteGroupTestCase(APIViewTestCases.APIViewTestCase):
    model = SiteGroup
    brief_fields = ['_depth', 'description', 'display', 'id', 'name', 'site_count', 'slug', 'url']
    create_data = [
        {
            'name': 'Site Group 4',
            'slug': 'site-group-4',
            'comments': '',
        },
        {
            'name': 'Site Group 5',
            'slug': 'site-group-5',
            'comments': 'not actually empty',
        },
        {
            'name': 'Site Group 6',
            'slug': 'site-group-6',
            'comments': 'Do I really exist?',
        },
    ]
    bulk_update_data = {
        'description': 'New description',
        'comments': 'I do exist!',
    }

    @classmethod
    def setUpTestData(cls):

        SiteGroup.objects.create(name='Site Group 1', slug='site-group-1')
        SiteGroup.objects.create(name='Site Group 2', slug='site-group-2', comments='')
        SiteGroup.objects.create(name='Site Group 3', slug='site-group-3', comments='Hi!')


class SiteTestCase(APIViewTestCases.APIViewTestCase):
    model = Site
    brief_fields = ['description', 'display', 'id', 'name', 'slug', 'url']
    bulk_update_data = {
        'status': 'planned',
    }
    graphql_filter_tests = (
        GraphQLFilterTest(
            name='tenant__name__exact',
            filters='tenant: {name: {exact: "Tenant 1"}}',
            expected=lambda qs: qs.filter(tenant__name='Tenant 1'),
            permissions=('tenancy.view_tenant',),
        ),
    )

    def assert_nested_locations_active(self, data):
        site_data = data.get('site') or {}
        location_names = sorted(location['name'] for location in site_data.get('locations', []))
        self.assertEqual(location_names, ['Site1 Active A', 'Site1 Active B'])

    @classmethod
    def setUpTestData(cls):

        regions = (
            Region.objects.create(name='Region 1', slug='region-1'),
            Region.objects.create(name='Region 2', slug='region-2'),
        )

        groups = (
            SiteGroup.objects.create(name='Site Group 1', slug='site-group-1'),
            SiteGroup.objects.create(name='Site Group 2', slug='site-group-2'),
        )

        tenant = Tenant.objects.create(name='Tenant 1', slug='tenant-1')

        # Site 1's tenant activates the dynamic tenant prefetch (+1 in api_list_objects baseline).
        sites = (
            Site(region=regions[0], group=groups[0], tenant=tenant, name='Site 1', slug='site-1'),
            Site(region=regions[0], group=groups[0], name='Site 2', slug='site-2'),
            Site(region=regions[0], group=groups[0], name='Site 3', slug='site-3'),
        )
        Site.objects.bulk_create(sites)

        nested_site = Site.objects.get(slug='site-1')
        cls.nested_site_pk = nested_site.pk
        Location.objects.create(
            site=nested_site, name='Site1 Active A', slug='site1-active-a',
            status=LocationStatusChoices.STATUS_ACTIVE,
        )
        Location.objects.create(
            site=nested_site, name='Site1 Active B', slug='site1-active-b',
            status=LocationStatusChoices.STATUS_ACTIVE,
        )
        Location.objects.create(
            site=nested_site, name='Site1 Planned', slug='site1-planned',
            status=LocationStatusChoices.STATUS_PLANNED,
        )

        rir = RIR.objects.create(name='RFC 6996', is_private=True)

        asns = [
            ASN(asn=65000 + i, rir=rir) for i in range(8)
        ]
        ASN.objects.bulk_create(asns)

        cls.create_data = [
            {
                'name': 'Site 4',
                'slug': 'site-4',
                'region': regions[1].pk,
                'group': groups[1].pk,
                'status': SiteStatusChoices.STATUS_ACTIVE,
                'asns': [asns[0].pk, asns[1].pk],
                'tenant': tenant.pk,
            },
            {
                'name': 'Site 5',
                'slug': 'site-5',
                'region': regions[1].pk,
                'group': groups[1].pk,
                'status': SiteStatusChoices.STATUS_ACTIVE,
                'asns': [asns[2].pk, asns[3].pk],
            },
            {
                'name': 'Site 6',
                'slug': 'site-6',
                'region': regions[1].pk,
                'group': groups[1].pk,
                'status': SiteStatusChoices.STATUS_ACTIVE,
                'asns': [asns[4].pk, asns[5].pk],
            },
        ]

        cls.graphql_query_tests = (
            GraphQLQueryTest(
                name='nested_locations_by_status',
                query=(
                    '{ site(id: ' + str(cls.nested_site_pk) + ') { '
                    'locations(filters: {status: {exact: STATUS_ACTIVE}}) { name } '
                    '} }'
                ),
                assert_result=cls.assert_nested_locations_active,
                permissions=('dcim.view_location',),
            ),
        )

    def test_add_tags(self):
        """
        Add tags to an existing object via the add_tags field.
        """
        site = Site.objects.first()
        tags = Tag.objects.bulk_create((
            Tag(name='Alpha', slug='alpha'),
            Tag(name='Bravo', slug='bravo'),
            Tag(name='Charlie', slug='charlie'),
        ))
        site.tags.set([tags[0], tags[1]])

        # Grant change permission
        obj_perm = ObjectPermission(name='Test permission', actions=['change'])
        obj_perm.save()
        obj_perm.users.add(self.user)
        obj_perm.object_types.add(ObjectType.objects.get_for_model(self.model))

        url = self._get_detail_url(site)
        data = {
            'add_tags': [{'name': 'Charlie'}],
        }
        response = self.client.patch(url, data, format='json', **self.header)
        self.assertHttpStatus(response, status.HTTP_200_OK)

        # Verify all three tags are now assigned
        tag_names = sorted(site.tags.values_list('name', flat=True))
        self.assertEqual(tag_names, ['Alpha', 'Bravo', 'Charlie'])

        # Verify add_tags and remove_tags are not in the response
        self.assertNotIn('add_tags', response.data)
        self.assertNotIn('remove_tags', response.data)
        self.assertIn('tags', response.data)

    def test_remove_tags(self):
        """
        Remove tags from an existing object via the remove_tags field.
        """
        site = Site.objects.first()
        tags = Tag.objects.bulk_create((
            Tag(name='Alpha', slug='alpha'),
            Tag(name='Bravo', slug='bravo'),
            Tag(name='Charlie', slug='charlie'),
        ))
        site.tags.set(tags)

        # Grant change permission
        obj_perm = ObjectPermission(name='Test permission', actions=['change'])
        obj_perm.save()
        obj_perm.users.add(self.user)
        obj_perm.object_types.add(ObjectType.objects.get_for_model(self.model))

        url = self._get_detail_url(site)
        data = {
            'remove_tags': [{'name': 'Charlie'}],
        }
        response = self.client.patch(url, data, format='json', **self.header)
        self.assertHttpStatus(response, status.HTTP_200_OK)

        # Verify only Alpha and Bravo remain
        tag_names = sorted(site.tags.values_list('name', flat=True))
        self.assertEqual(tag_names, ['Alpha', 'Bravo'])

    def test_remove_tags_not_assigned(self):
        """
        Removing a tag that is not assigned should not raise an error.
        """
        site = Site.objects.first()
        tags = Tag.objects.bulk_create((
            Tag(name='Alpha', slug='alpha'),
            Tag(name='Bravo', slug='bravo'),
            Tag(name='Charlie', slug='charlie'),
        ))
        site.tags.set([tags[0], tags[1]])

        # Grant change permission
        obj_perm = ObjectPermission(name='Test permission', actions=['change'])
        obj_perm.save()
        obj_perm.users.add(self.user)
        obj_perm.object_types.add(ObjectType.objects.get_for_model(self.model))

        url = self._get_detail_url(site)
        data = {
            'remove_tags': [{'name': 'Charlie'}],
        }
        response = self.client.patch(url, data, format='json', **self.header)
        self.assertHttpStatus(response, status.HTTP_200_OK)

        # Tags should be unchanged
        tag_names = sorted(site.tags.values_list('name', flat=True))
        self.assertEqual(tag_names, ['Alpha', 'Bravo'])

    def test_add_and_remove_tags(self):
        """
        Add and remove tags in the same request.
        """
        site = Site.objects.first()
        tags = Tag.objects.bulk_create((
            Tag(name='Alpha', slug='alpha'),
            Tag(name='Bravo', slug='bravo'),
            Tag(name='Charlie', slug='charlie'),
        ))
        site.tags.set([tags[0], tags[1]])

        # Grant change permission
        obj_perm = ObjectPermission(name='Test permission', actions=['change'])
        obj_perm.save()
        obj_perm.users.add(self.user)
        obj_perm.object_types.add(ObjectType.objects.get_for_model(self.model))

        url = self._get_detail_url(site)
        data = {
            'add_tags': [{'name': 'Charlie'}],
            'remove_tags': [{'name': 'Alpha'}],
        }
        response = self.client.patch(url, data, format='json', **self.header)
        self.assertHttpStatus(response, status.HTTP_200_OK)

        # Verify Bravo and Charlie remain
        tag_names = sorted(site.tags.values_list('name', flat=True))
        self.assertEqual(tag_names, ['Bravo', 'Charlie'])

    def test_tags_with_add_tags_error(self):
        """
        Specifying tags together with add_tags or remove_tags should raise a validation error.
        """
        site = Site.objects.first()
        Tag.objects.bulk_create((
            Tag(name='Alpha', slug='alpha'),
            Tag(name='Bravo', slug='bravo'),
        ))

        # Grant change permission
        obj_perm = ObjectPermission(name='Test permission', actions=['change'])
        obj_perm.save()
        obj_perm.users.add(self.user)
        obj_perm.object_types.add(ObjectType.objects.get_for_model(self.model))

        url = self._get_detail_url(site)
        data = {
            'tags': [{'name': 'Alpha'}],
            'add_tags': [{'name': 'Bravo'}],
        }
        response = self.client.patch(url, data, format='json', **self.header)
        self.assertHttpStatus(response, status.HTTP_400_BAD_REQUEST)

    def test_create_with_add_tags(self):
        """
        Create a new object using add_tags.
        """
        Tag.objects.bulk_create((
            Tag(name='Alpha', slug='alpha'),
            Tag(name='Bravo', slug='bravo'),
        ))

        obj_perm = ObjectPermission(name='Test permission', actions=['add'])
        obj_perm.save()
        obj_perm.users.add(self.user)
        obj_perm.object_types.add(ObjectType.objects.get_for_model(self.model))

        data = {
            'name': 'Site 10',
            'slug': 'site-10',
            'add_tags': [{'name': 'Alpha'}, {'name': 'Bravo'}],
        }
        response = self.client.post(self._get_list_url(), data, format='json', **self.header)
        self.assertHttpStatus(response, status.HTTP_201_CREATED)

        site = Site.objects.get(pk=response.data['id'])
        tag_names = sorted(site.tags.values_list('name', flat=True))
        self.assertEqual(tag_names, ['Alpha', 'Bravo'])

    def test_create_with_remove_tags_error(self):
        """
        Using remove_tags when creating a new object should raise a validation error.
        """
        Tag.objects.bulk_create((
            Tag(name='Alpha', slug='alpha'),
        ))

        obj_perm = ObjectPermission(name='Test permission', actions=['add'])
        obj_perm.save()
        obj_perm.users.add(self.user)
        obj_perm.object_types.add(ObjectType.objects.get_for_model(self.model))

        data = {
            'name': 'Site 10',
            'slug': 'site-10',
            'remove_tags': [{'name': 'Alpha'}],
        }
        response = self.client.post(self._get_list_url(), data, format='json', **self.header)
        self.assertHttpStatus(response, status.HTTP_400_BAD_REQUEST)

    def test_add_and_remove_same_tag_error(self):
        """
        Including the same tag in both add_tags and remove_tags should raise a validation error.
        """
        site = Site.objects.first()
        Tag.objects.bulk_create((
            Tag(name='Alpha', slug='alpha'),
            Tag(name='Bravo', slug='bravo'),
        ))

        obj_perm = ObjectPermission(name='Test permission', actions=['change'])
        obj_perm.save()
        obj_perm.users.add(self.user)
        obj_perm.object_types.add(ObjectType.objects.get_for_model(self.model))

        url = self._get_detail_url(site)
        data = {
            'add_tags': [{'name': 'Alpha'}, {'name': 'Bravo'}],
            'remove_tags': [{'name': 'Alpha'}],
        }
        response = self.client.patch(url, data, format='json', **self.header)
        self.assertHttpStatus(response, status.HTTP_400_BAD_REQUEST)


class LocationTestCase(APIViewTestCases.APIViewTestCase):
    model = Location
    brief_fields = ['_depth', 'description', 'display', 'id', 'name', 'rack_count', 'slug', 'url']
    bulk_update_data = {
        'description': 'New description',
    }
    user_permissions = ('dcim.view_site',)
    graphql_filter_tests = (
        GraphQLFilterTest(
            name='status__in_list',
            filters='status: {in_list: [STATUS_PLANNED, STATUS_STAGING]}',
            expected=lambda qs: qs.filter(status__in=[
                LocationStatusChoices.STATUS_PLANNED,
                LocationStatusChoices.STATUS_STAGING,
            ]),
        ),
    )

    @classmethod
    def setUpTestData(cls):

        sites = (
            Site(name='Site 1', slug='site-1'),
            Site(name='Site 2', slug='site-2'),
        )
        Site.objects.bulk_create(sites)

        parent_locations = (
            Location.objects.create(
                site=sites[0],
                name='Parent Location 1',
                slug='parent-location-1',
                status=LocationStatusChoices.STATUS_ACTIVE,
                comments='First!'
            ),
            Location.objects.create(
                site=sites[1],
                name='Parent Location 2',
                slug='parent-location-2',
                status=LocationStatusChoices.STATUS_ACTIVE,
                comments='Second!'
            ),
        )

        Location.objects.create(
            site=sites[0],
            name='Location 1',
            slug='location-1',
            parent=parent_locations[0],
            status=LocationStatusChoices.STATUS_ACTIVE,
            comments='Third!'
        )
        Location.objects.create(
            site=sites[0],
            name='Location 2',
            slug='location-2',
            parent=parent_locations[0],
            status=LocationStatusChoices.STATUS_ACTIVE,
        )
        Location.objects.create(
            site=sites[0],
            name='Location 3',
            slug='location-3',
            parent=parent_locations[0],
            status=LocationStatusChoices.STATUS_ACTIVE,
        )
        Location.objects.create(
            site=sites[0],
            name='GraphQL Planned Location',
            slug='graphql-planned-location',
            parent=parent_locations[0],
            status=LocationStatusChoices.STATUS_PLANNED,
        )
        Location.objects.create(
            site=sites[0],
            name='GraphQL Staging Location',
            slug='graphql-staging-location',
            parent=parent_locations[0],
            status=LocationStatusChoices.STATUS_STAGING,
        )

        cls.create_data = [
            {
                'name': 'Test Location 4',
                'slug': 'test-location-4',
                'site': sites[1].pk,
                'parent': parent_locations[1].pk,
                'status': LocationStatusChoices.STATUS_PLANNED,
                'comments': '',
            },
            {
                'name': 'Test Location 5',
                'slug': 'test-location-5',
                'site': sites[1].pk,
                'parent': parent_locations[1].pk,
                'status': LocationStatusChoices.STATUS_PLANNED,
                'comments': 'Somebody should check on this location',
            },
            {
                'name': 'Test Location 6',
                'slug': 'test-location-6',
                'site': sites[1].pk,
                # Omit parent to test uniqueness constraint
                'status': LocationStatusChoices.STATUS_PLANNED,
            },
        ]


class RackGroupTestCase(APIViewTestCases.APIViewTestCase):
    model = RackGroup
    brief_fields = ['description', 'display', 'id', 'name', 'rack_count', 'slug', 'url']
    create_data = [
        {
            'name': 'Rack Group 4',
            'slug': 'rack-group-4',
        },
        {
            'name': 'Rack Group 5',
            'slug': 'rack-group-5',
        },
        {
            'name': 'Rack Group 6',
            'slug': 'rack-group-6',
        },
    ]
    bulk_update_data = {
        'description': 'New description',
    }

    @classmethod
    def setUpTestData(cls):

        rack_groups = (
            RackGroup(name='Rack Group 1', slug='rack-group-1'),
            RackGroup(name='Rack Group 2', slug='rack-group-2'),
            RackGroup(name='Rack Group 3', slug='rack-group-3'),
        )
        RackGroup.objects.bulk_create(rack_groups)


class RackRoleTestCase(APIViewTestCases.APIViewTestCase):
    model = RackRole
    brief_fields = ['description', 'display', 'id', 'name', 'rack_count', 'slug', 'url']
    create_data = [
        {
            'name': 'Rack Role 4',
            'slug': 'rack-role-4',
            'color': 'ffff00',
        },
        {
            'name': 'Rack Role 5',
            'slug': 'rack-role-5',
            'color': 'ffff00',
        },
        {
            'name': 'Rack Role 6',
            'slug': 'rack-role-6',
            'color': 'ffff00',
        },
    ]
    bulk_update_data = {
        'description': 'New description',
    }

    @classmethod
    def setUpTestData(cls):

        rack_roles = (
            RackRole(name='Rack Role 1', slug='rack-role-1', color='ff0000'),
            RackRole(name='Rack Role 2', slug='rack-role-2', color='00ff00'),
            RackRole(name='Rack Role 3', slug='rack-role-3', color='0000ff'),
        )
        RackRole.objects.bulk_create(rack_roles)


class RackTypeTestCase(APIViewTestCases.APIViewTestCase):
    model = RackType
    brief_fields = ['description', 'display', 'id', 'manufacturer', 'model', 'rack_count', 'slug', 'url']
    bulk_update_data = {
        'description': 'new description',
    }
    user_permissions = ('dcim.view_manufacturer',)

    @classmethod
    def setUpTestData(cls):
        manufacturers = (
            Manufacturer(name='Manufacturer 1', slug='manufacturer-1'),
            Manufacturer(name='Manufacturer 2', slug='manufacturer-2'),
        )
        Manufacturer.objects.bulk_create(manufacturers)

        rack_types = (
            RackType(
                manufacturer=manufacturers[0],
                model='Rack Type 1',
                slug='rack-type-1',
                form_factor=RackFormFactorChoices.TYPE_CABINET,
            ),
            RackType(
                manufacturer=manufacturers[0],
                model='Rack Type 2',
                slug='rack-type-2',
                form_factor=RackFormFactorChoices.TYPE_CABINET,
            ),
            RackType(
                manufacturer=manufacturers[0],
                model='Rack Type 3',
                slug='rack-type-3',
                form_factor=RackFormFactorChoices.TYPE_CABINET,
            ),
        )
        RackType.objects.bulk_create(rack_types)

        cls.create_data = [
            {
                'manufacturer': manufacturers[1].pk,
                'model': 'Rack Type 4',
                'slug': 'rack-type-4',
                'form_factor': RackFormFactorChoices.TYPE_CABINET,
            },
            {
                'manufacturer': manufacturers[1].pk,
                'model': 'Rack Type 5',
                'slug': 'rack-type-5',
                'form_factor': RackFormFactorChoices.TYPE_CABINET,
            },
            {
                'manufacturer': manufacturers[1].pk,
                'model': 'Rack Type 6',
                'slug': 'rack-type-6',
                'form_factor': RackFormFactorChoices.TYPE_CABINET,
            },
        ]


class RackTestCase(APIViewTestCases.APIViewTestCase):
    model = Rack
    brief_fields = ['description', 'device_count', 'display', 'id', 'name', 'url']
    bulk_update_data = {
        'status': 'planned',
    }
    user_permissions = ('dcim.view_site', )

    @classmethod
    def setUpTestData(cls):

        sites = (
            Site(name='Site 1', slug='site-1'),
            Site(name='Site 2', slug='site-2'),
        )
        Site.objects.bulk_create(sites)

        locations = (
            Location.objects.create(site=sites[0], name='Location 1', slug='location-1'),
            Location.objects.create(site=sites[1], name='Location 2', slug='location-2'),
        )

        rack_groups = (
            RackGroup(name='Rack Group 1', slug='rack-group-1'),
            RackGroup(name='Rack Group 2', slug='rack-group-2'),
        )
        RackGroup.objects.bulk_create(rack_groups)

        rack_roles = (
            RackRole(name='Rack Role 1', slug='rack-role-1', color='ff0000'),
            RackRole(name='Rack Role 2', slug='rack-role-2', color='00ff00'),
        )
        RackRole.objects.bulk_create(rack_roles)

        racks = (
            Rack(site=sites[0], location=locations[0], group=rack_groups[0], role=rack_roles[0], name='Rack 1'),
            Rack(site=sites[0], location=locations[0], group=rack_groups[0], role=rack_roles[0], name='Rack 2'),
            Rack(site=sites[0], location=locations[0], group=rack_groups[0], role=rack_roles[0], name='Rack 3'),
        )
        Rack.objects.bulk_create(racks)

        cls.create_data = [
            {
                'name': 'Test Rack 4',
                'site': sites[1].pk,
                'location': locations[1].pk,
                'group': rack_groups[1].pk,
                'role': rack_roles[1].pk,
            },
            {
                'name': 'Test Rack 5',
                'site': sites[1].pk,
                'location': locations[1].pk,
                'group': rack_groups[1].pk,
                'role': rack_roles[1].pk,
            },
            {
                'name': 'Test Rack 6',
                'site': sites[1].pk,
                'location': locations[1].pk,
                'group': rack_groups[1].pk,
                'role': rack_roles[1].pk,
            },
        ]

    def test_get_rack_elevation(self):
        """
        GET a single rack elevation.
        """
        rack = Rack.objects.first()
        self.add_permissions('dcim.view_rack')
        url = reverse('dcim-api:rack-elevation', kwargs={'pk': rack.pk})

        # Retrieve all units
        response = self.client.get(url, **self.header)
        self.assertEqual(response.data['count'], 84)

        # Search for specific units
        response = self.client.get(f'{url}?q=3', **self.header)
        self.assertEqual(response.data['count'], 26)
        response = self.client.get(f'{url}?q=U3', **self.header)
        self.assertEqual(response.data['count'], 22)
        response = self.client.get(f'{url}?q=U10', **self.header)
        self.assertEqual(response.data['count'], 2)

    def test_get_rack_elevation_description_is_occupying_device_name(self):
        """
        Verify occupied rack units include the occupying device in their description.
        """
        rack = Rack.objects.first()
        self.add_permissions('dcim.view_rack', 'dcim.view_device')
        url = reverse('dcim-api:rack-elevation', kwargs={'pk': rack.pk})

        device = create_test_device(
            name='Device A',
            site=rack.site,
            rack=rack,
            position=40,
            face=DeviceFaceChoices.FACE_FRONT,
        )

        # Retrieve all units
        response = self.client.get(url, **self.header)
        self.assertHttpStatus(response, status.HTTP_200_OK)

        occupied_unit = next(unit for unit in response.data['results'] if unit['name'] == 'U40')
        self.assertEqual(occupied_unit['device']['id'], device.pk)
        self.assertEqual(occupied_unit['description'], f'{device}')

        unoccupied_unit = next(unit for unit in response.data['results'] if unit['name'] == 'U39')
        self.assertEqual(unoccupied_unit['device'], None)
        self.assertEqual(unoccupied_unit['description'], None)

    def test_get_rack_elevation_svg(self):
        """
        GET a single rack elevation in SVG format.
        """
        rack = Rack.objects.first()
        self.add_permissions('dcim.view_rack')
        url = '{}?render=svg'.format(reverse('dcim-api:rack-elevation', kwargs={'pk': rack.pk}))

        response = self.client.get(url, **self.header)
        self.assertHttpStatus(response, status.HTTP_200_OK)
        self.assertEqual(response.get('Content-Type'), 'image/svg+xml')


class RackReservationTestCase(APIViewTestCases.APIViewTestCase):
    model = RackReservation
    brief_fields = ['description', 'display', 'id', 'status', 'units', 'url', 'user']
    bulk_update_data = {
        'description': 'New description',
    }
    user_permissions = ('dcim.view_rack', 'users.view_user')

    @classmethod
    def setUpTestData(cls):
        user = User.objects.create(username='user1', is_active=True)
        site = Site.objects.create(name='Test Site 1', slug='test-site-1')

        racks = (
            Rack(site=site, name='Rack 1'),
            Rack(site=site, name='Rack 2'),
        )
        Rack.objects.bulk_create(racks)

        rack_reservations = (
            RackReservation(
                rack=racks[0],
                units=[1, 2, 3],
                user=user,
                description='Reservation #1',
            ),
            RackReservation(
                rack=racks[0],
                units=[4, 5, 6],
                user=user,
                description='Reservation #2'
            ),
            RackReservation(
                rack=racks[0],
                units=[7, 8, 9],
                user=user,
                description='Reservation #3',
            ),
        )
        RackReservation.objects.bulk_create(rack_reservations)

        cls.create_data = [
            {
                'rack': racks[1].pk,
                'units': [10, 11, 12],
                'status': RackReservationStatusChoices.STATUS_ACTIVE,
                'user': user.pk,
                'description': 'Reservation #4',
            },
            {
                'rack': racks[1].pk,
                'units': [13, 14, 15],
                'status': RackReservationStatusChoices.STATUS_PENDING,
                'user': user.pk,
                'description': 'Reservation #5',
            },
            {
                'rack': racks[1].pk,
                'units': [16, 17, 18],
                'status': RackReservationStatusChoices.STATUS_STALE,
                'user': user.pk,
                'description': 'Reservation #6',
            },
        ]

    def test_unit_count(self):
        """unit_count should reflect the number of units in the reservation."""
        url = reverse('dcim-api:rackreservation-list')
        self.add_permissions('dcim.view_rackreservation')
        response = self.client.get(url, **self.header)
        self.assertHttpStatus(response, 200)
        for result in response.data['results']:
            self.assertEqual(result['unit_count'], len(result['units']))


class ManufacturerTestCase(APIViewTestCases.APIViewTestCase):
    model = Manufacturer
    brief_fields = ['description', 'display', 'id', 'name', 'slug', 'url']
    create_data = [
        {
            'name': 'Manufacturer 4',
            'slug': 'manufacturer-4',
        },
        {
            'name': 'Manufacturer 5',
            'slug': 'manufacturer-5',
        },
        {
            'name': 'Manufacturer 6',
            'slug': 'manufacturer-6',
        },
    ]
    bulk_update_data = {
        'description': 'New description',
    }

    @classmethod
    def setUpTestData(cls):

        manufacturers = (
            Manufacturer(name='Manufacturer 1', slug='manufacturer-1'),
            Manufacturer(name='Manufacturer 2', slug='manufacturer-2'),
            Manufacturer(name='Manufacturer 3', slug='manufacturer-3'),
        )
        Manufacturer.objects.bulk_create(manufacturers)


class DeviceTypeTestCase(APIViewTestCases.APIViewTestCase):
    model = DeviceType
    brief_fields = ['description', 'device_count', 'display', 'id', 'manufacturer', 'model', 'slug', 'url']
    bulk_update_data = {
        'part_number': 'ABC123',
    }
    user_permissions = ('dcim.view_manufacturer', )

    @classmethod
    def setUpTestData(cls):

        manufacturers = (
            Manufacturer(name='Manufacturer 1', slug='manufacturer-1'),
            Manufacturer(name='Manufacturer 2', slug='manufacturer-2'),
        )
        Manufacturer.objects.bulk_create(manufacturers)

        device_types = (
            DeviceType(manufacturer=manufacturers[0], model='Device Type 1', slug='device-type-1'),
            DeviceType(manufacturer=manufacturers[0], model='Device Type 2', slug='device-type-2'),
            DeviceType(manufacturer=manufacturers[0], model='Device Type 3', slug='device-type-3'),
        )
        DeviceType.objects.bulk_create(device_types)

        cls.create_data = [
            {
                'manufacturer': manufacturers[1].pk,
                'model': 'Device Type 4',
                'slug': 'device-type-4',
                'u_height': 0,
            },
            {
                'manufacturer': manufacturers[1].pk,
                'model': 'Device Type 5',
                'slug': 'device-type-5',
                'u_height': 0.5,
            },
            {
                'manufacturer': manufacturers[1].pk,
                'model': 'Device Type 6',
                'slug': 'device-type-6',
                'u_height': 1,
            },
        ]


class ModuleTypeTestCase(APIViewTestCases.APIViewTestCase):
    model = ModuleType
    brief_fields = ['description', 'display', 'id', 'manufacturer', 'model', 'module_count', 'profile', 'url']
    bulk_update_data = {
        'part_number': 'ABC123',
    }
    user_permissions = ('dcim.view_manufacturer', )

    @classmethod
    def setUpTestData(cls):

        manufacturers = (
            Manufacturer(name='Manufacturer 1', slug='manufacturer-1'),
            Manufacturer(name='Manufacturer 2', slug='manufacturer-2'),
        )
        Manufacturer.objects.bulk_create(manufacturers)

        module_types = (
            ModuleType(manufacturer=manufacturers[0], model='Module Type 1'),
            ModuleType(manufacturer=manufacturers[0], model='Module Type 2'),
            ModuleType(manufacturer=manufacturers[0], model='Module Type 3'),
        )
        ModuleType.objects.bulk_create(module_types)

        cls.create_data = [
            {
                'manufacturer': manufacturers[1].pk,
                'model': 'Module Type 4',
            },
            {
                'manufacturer': manufacturers[1].pk,
                'model': 'Module Type 5',
            },
            {
                'manufacturer': manufacturers[1].pk,
                'model': 'Module Type 6',
            },
        ]


class ModuleTypeProfileTestCase(APIViewTestCases.APIViewTestCase):
    model = ModuleTypeProfile
    brief_fields = ['description', 'display', 'id', 'name', 'url']
    SCHEMAS = [
        {
            "properties": {
                "foo": {
                    "type": "string"
                }
            }
        },
        {
            "properties": {
                "foo": {
                    "type": "integer"
                }
            }
        },
        {
            "properties": {
                "foo": {
                    "type": "boolean"
                }
            }
        },
    ]
    create_data = [
        {
            'name': 'Module Type Profile 4',
            'schema': SCHEMAS[0],
        },
        {
            'name': 'Module Type Profile 5',
            'schema': SCHEMAS[1],
        },
        {
            'name': 'Module Type Profile 6',
            'schema': SCHEMAS[2],
        },
    ]
    bulk_update_data = {
        'description': 'New description',
        'comments': 'New comments',
    }

    @classmethod
    def setUpTestData(cls):
        module_type_profiles = (
            ModuleTypeProfile(
                name='Module Type Profile 1',
                schema=cls.SCHEMAS[0]
            ),
            ModuleTypeProfile(
                name='Module Type Profile 2',
                schema=cls.SCHEMAS[1]
            ),
            ModuleTypeProfile(
                name='Module Type Profile 3',
                schema=cls.SCHEMAS[2]
            ),
        )
        ModuleTypeProfile.objects.bulk_create(module_type_profiles)


class ConsolePortTemplateTestCase(APIViewTestCases.APIViewTestCase):
    model = ConsolePortTemplate
    brief_fields = ['description', 'display', 'id', 'name', 'url']
    bulk_update_data = {
        'description': 'New description',
    }

    @classmethod
    def setUpTestData(cls):
        manufacturer = Manufacturer.objects.create(name='Test Manufacturer 1', slug='test-manufacturer-1')
        devicetype = DeviceType.objects.create(
            manufacturer=manufacturer, model='Device Type 1', slug='device-type-1'
        )
        moduletype = ModuleType.objects.create(
            manufacturer=manufacturer, model='Module Type 1'
        )

        console_port_templates = (
            ConsolePortTemplate(device_type=devicetype, name='Console Port Template 1'),
            ConsolePortTemplate(device_type=devicetype, name='Console Port Template 2'),
            ConsolePortTemplate(device_type=devicetype, name='Console Port Template 3'),
        )
        ConsolePortTemplate.objects.bulk_create(console_port_templates)

        cls.create_data = [
            {
                'device_type': devicetype.pk,
                'name': 'Console Port Template 4',
            },
            {
                'device_type': devicetype.pk,
                'name': 'Console Port Template 5',
            },
            {
                'module_type': moduletype.pk,
                'name': 'Console Port Template 6',
            },
            {
                'module_type': moduletype.pk,
                'name': 'Console Port Template 7',
            },
        ]


class ConsoleServerPortTemplateTestCase(APIViewTestCases.APIViewTestCase):
    model = ConsoleServerPortTemplate
    brief_fields = ['description', 'display', 'id', 'name', 'url']
    bulk_update_data = {
        'description': 'New description',
    }

    @classmethod
    def setUpTestData(cls):
        manufacturer = Manufacturer.objects.create(name='Test Manufacturer 1', slug='test-manufacturer-1')
        devicetype = DeviceType.objects.create(
            manufacturer=manufacturer, model='Device Type 1', slug='device-type-1'
        )
        moduletype = ModuleType.objects.create(
            manufacturer=manufacturer, model='Module Type 1'
        )

        console_server_port_templates = (
            ConsoleServerPortTemplate(device_type=devicetype, name='Console Server Port Template 1'),
            ConsoleServerPortTemplate(device_type=devicetype, name='Console Server Port Template 2'),
            ConsoleServerPortTemplate(device_type=devicetype, name='Console Server Port Template 3'),
        )
        ConsoleServerPortTemplate.objects.bulk_create(console_server_port_templates)

        cls.create_data = [
            {
                'device_type': devicetype.pk,
                'name': 'Console Server Port Template 4',
            },
            {
                'device_type': devicetype.pk,
                'name': 'Console Server Port Template 5',
            },
            {
                'module_type': moduletype.pk,
                'name': 'Console Server Port Template 6',
            },
            {
                'module_type': moduletype.pk,
                'name': 'Console Server Port Template 7',
            },
        ]


class PowerPortTemplateTestCase(APIViewTestCases.APIViewTestCase):
    model = PowerPortTemplate
    brief_fields = ['description', 'display', 'id', 'name', 'url']
    bulk_update_data = {
        'description': 'New description',
    }

    @classmethod
    def setUpTestData(cls):
        manufacturer = Manufacturer.objects.create(name='Test Manufacturer 1', slug='test-manufacturer-1')
        devicetype = DeviceType.objects.create(
            manufacturer=manufacturer, model='Device Type 1', slug='device-type-1'
        )
        moduletype = ModuleType.objects.create(
            manufacturer=manufacturer, model='Module Type 1'
        )

        power_port_templates = (
            PowerPortTemplate(device_type=devicetype, name='Power Port Template 1'),
            PowerPortTemplate(device_type=devicetype, name='Power Port Template 2'),
            PowerPortTemplate(device_type=devicetype, name='Power Port Template 3'),
        )
        PowerPortTemplate.objects.bulk_create(power_port_templates)

        cls.create_data = [
            {
                'device_type': devicetype.pk,
                'name': 'Power Port Template 4',
            },
            {
                'device_type': devicetype.pk,
                'name': 'Power Port Template 5',
            },
            {
                'module_type': moduletype.pk,
                'name': 'Power Port Template 6',
            },
            {
                'module_type': moduletype.pk,
                'name': 'Power Port Template 7',
            },
        ]


class PowerOutletTemplateTestCase(APIViewTestCases.APIViewTestCase):
    model = PowerOutletTemplate
    brief_fields = ['description', 'display', 'id', 'name', 'url']
    bulk_update_data = {
        'description': 'New description',
    }
    user_permissions = ('dcim.view_devicetype', )

    @classmethod
    def setUpTestData(cls):
        manufacturer = Manufacturer.objects.create(name='Test Manufacturer 1', slug='test-manufacturer-1')
        devicetype = DeviceType.objects.create(
            manufacturer=manufacturer, model='Device Type 1', slug='device-type-1'
        )
        moduletype = ModuleType.objects.create(
            manufacturer=manufacturer, model='Module Type 1'
        )

        power_port_templates = (
            PowerPortTemplate(device_type=devicetype, name='Power Port Template 1'),
            PowerPortTemplate(device_type=devicetype, name='Power Port Template 2'),
        )
        PowerPortTemplate.objects.bulk_create(power_port_templates)

        power_outlet_templates = (
            PowerOutletTemplate(device_type=devicetype, name='Power Outlet Template 1'),
            PowerOutletTemplate(device_type=devicetype, name='Power Outlet Template 2'),
            PowerOutletTemplate(device_type=devicetype, name='Power Outlet Template 3'),
        )
        PowerOutletTemplate.objects.bulk_create(power_outlet_templates)

        cls.create_data = [
            {
                'device_type': devicetype.pk,
                'name': 'Power Outlet Template 4',
                'power_port': power_port_templates[0].pk,
            },
            {
                'device_type': devicetype.pk,
                'name': 'Power Outlet Template 5',
                'power_port': power_port_templates[1].pk,
            },
            {
                'device_type': devicetype.pk,
                'name': 'Power Outlet Template 6',
                'power_port': None,
            },
            {
                'module_type': moduletype.pk,
                'name': 'Power Outlet Template 7',
            },
            {
                'module_type': moduletype.pk,
                'name': 'Power Outlet Template 8',
            },
        ]


class InterfaceTemplateTestCase(APIViewTestCases.APIViewTestCase):
    model = InterfaceTemplate
    brief_fields = ['description', 'display', 'id', 'name', 'url']
    bulk_update_data = {
        'description': 'New description',
    }

    @classmethod
    def setUpTestData(cls):
        manufacturer = Manufacturer.objects.create(name='Test Manufacturer 1', slug='test-manufacturer-1')
        devicetype = DeviceType.objects.create(
            manufacturer=manufacturer, model='Device Type 1', slug='device-type-1'
        )
        moduletype = ModuleType.objects.create(
            manufacturer=manufacturer, model='Module Type 1'
        )

        interface_templates = (
            InterfaceTemplate(device_type=devicetype, name='Interface Template 1', type='1000base-t'),
            InterfaceTemplate(device_type=devicetype, name='Interface Template 2', type='1000base-t'),
            InterfaceTemplate(device_type=devicetype, name='Interface Template 3', type='1000base-t'),
        )
        InterfaceTemplate.objects.bulk_create(interface_templates)

        cls.create_data = [
            {
                'device_type': devicetype.pk,
                'name': 'Interface Template 4',
                'type': '1000base-t',
            },
            {
                'device_type': devicetype.pk,
                'name': 'Interface Template 5',
                'type': '1000base-t',
            },
            {
                'module_type': moduletype.pk,
                'name': 'Interface Template 6',
                'type': '1000base-t',
            },
            {
                'module_type': moduletype.pk,
                'name': 'Interface Template 7',
                'type': '1000base-t',
            },
        ]


class FrontPortTemplateTestCase(APIViewTestCases.APIViewTestCase):
    model = FrontPortTemplate
    brief_fields = ['description', 'display', 'id', 'name', 'url']
    bulk_update_data = {
        'description': 'New description',
    }
    user_permissions = ('dcim.view_rearporttemplate', )

    @classmethod
    def setUpTestData(cls):
        manufacturer = Manufacturer.objects.create(name='Test Manufacturer 1', slug='test-manufacturer-1')
        devicetype = DeviceType.objects.create(
            manufacturer=manufacturer, model='Device Type 1', slug='device-type-1'
        )
        moduletype = ModuleType.objects.create(
            manufacturer=manufacturer, model='Module Type 1'
        )

        rear_port_templates = (
            RearPortTemplate(device_type=devicetype, name='Rear Port Template 1', type=PortTypeChoices.TYPE_8P8C),
            RearPortTemplate(device_type=devicetype, name='Rear Port Template 2', type=PortTypeChoices.TYPE_8P8C),
            RearPortTemplate(device_type=devicetype, name='Rear Port Template 3', type=PortTypeChoices.TYPE_8P8C),
            RearPortTemplate(device_type=devicetype, name='Rear Port Template 4', type=PortTypeChoices.TYPE_8P8C),
            RearPortTemplate(device_type=devicetype, name='Rear Port Template 5', type=PortTypeChoices.TYPE_8P8C),
            RearPortTemplate(device_type=devicetype, name='Rear Port Template 6', type=PortTypeChoices.TYPE_8P8C),
        )
        RearPortTemplate.objects.bulk_create(rear_port_templates)
        front_port_templates = (
            FrontPortTemplate(device_type=devicetype, name='Front Port Template 1', type=PortTypeChoices.TYPE_8P8C),
            FrontPortTemplate(device_type=devicetype, name='Front Port Template 2', type=PortTypeChoices.TYPE_8P8C),
            FrontPortTemplate(module_type=moduletype, name='Front Port Template 3', type=PortTypeChoices.TYPE_8P8C),
        )
        FrontPortTemplate.objects.bulk_create(front_port_templates)
        PortTemplateMapping.objects.bulk_create([
            PortTemplateMapping(
                device_type=devicetype,
                front_port=front_port_templates[0],
                rear_port=rear_port_templates[0],
            ),
            PortTemplateMapping(
                device_type=devicetype,
                front_port=front_port_templates[1],
                rear_port=rear_port_templates[1],
            ),
            PortTemplateMapping(
                module_type=moduletype,
                front_port=front_port_templates[2],
                rear_port=rear_port_templates[2],
            ),
        ])

        cls.create_data = [
            {
                'device_type': devicetype.pk,
                'name': 'Front Port Template 3',
                'type': PortTypeChoices.TYPE_8P8C,
                'rear_ports': [
                    {
                        'position': 1,
                        'rear_port': rear_port_templates[3].pk,
                        'rear_port_position': 1,
                    },
                ],
            },
            {
                'device_type': devicetype.pk,
                'name': 'Front Port Template 4',
                'type': PortTypeChoices.TYPE_8P8C,
                'rear_ports': [
                    {
                        'position': 1,
                        'rear_port': rear_port_templates[4].pk,
                        'rear_port_position': 1,
                    },
                ],
            },
            {
                'module_type': moduletype.pk,
                'name': 'Front Port Template 7',
                'type': PortTypeChoices.TYPE_8P8C,
                'rear_ports': [
                    {
                        'position': 1,
                        'rear_port': rear_port_templates[5].pk,
                        'rear_port_position': 1,
                    },
                ],
            },
        ]

        cls.update_data = {
            'type': PortTypeChoices.TYPE_LC,
            'rear_ports': [
                {
                    'position': 1,
                    'rear_port': rear_port_templates[3].pk,
                    'rear_port_position': 1,
                },
            ],
        }

    def test_update_object(self):
        super().test_update_object()

        # Check that the port mapping was updated after modifying the front port template
        front_port_template = FrontPortTemplate.objects.get(name='Front Port Template 1')
        rear_port_template = RearPortTemplate.objects.get(name='Rear Port Template 4')
        self.assertTrue(
            PortTemplateMapping.objects.filter(
                front_port=front_port_template,
                front_port_position=1,
                rear_port=rear_port_template,
                rear_port_position=1,
            ).exists()
        )


class RearPortTemplateTestCase(APIViewTestCases.APIViewTestCase):
    model = RearPortTemplate
    brief_fields = ['description', 'display', 'id', 'name', 'url']
    bulk_update_data = {
        'description': 'New description',
    }

    @classmethod
    def setUpTestData(cls):
        manufacturer = Manufacturer.objects.create(name='Test Manufacturer 1', slug='test-manufacturer-1')
        devicetype = DeviceType.objects.create(
            manufacturer=manufacturer, model='Device Type 1', slug='device-type-1'
        )
        moduletype = ModuleType.objects.create(
            manufacturer=manufacturer, model='Module Type 1'
        )

        front_port_templates = (
            FrontPortTemplate(device_type=devicetype, name='Front Port Template 1', type=PortTypeChoices.TYPE_8P8C),
            FrontPortTemplate(device_type=devicetype, name='Front Port Template 2', type=PortTypeChoices.TYPE_8P8C),
            FrontPortTemplate(module_type=moduletype, name='Front Port Template 3', type=PortTypeChoices.TYPE_8P8C),
            FrontPortTemplate(module_type=moduletype, name='Front Port Template 4', type=PortTypeChoices.TYPE_8P8C),
            FrontPortTemplate(module_type=moduletype, name='Front Port Template 5', type=PortTypeChoices.TYPE_8P8C),
            FrontPortTemplate(module_type=moduletype, name='Front Port Template 6', type=PortTypeChoices.TYPE_8P8C),
        )
        FrontPortTemplate.objects.bulk_create(front_port_templates)
        rear_port_templates = (
            RearPortTemplate(device_type=devicetype, name='Rear Port Template 1', type=PortTypeChoices.TYPE_8P8C),
            RearPortTemplate(device_type=devicetype, name='Rear Port Template 2', type=PortTypeChoices.TYPE_8P8C),
            RearPortTemplate(device_type=devicetype, name='Rear Port Template 3', type=PortTypeChoices.TYPE_8P8C),
        )
        RearPortTemplate.objects.bulk_create(rear_port_templates)
        PortTemplateMapping.objects.bulk_create([
            PortTemplateMapping(
                device_type=devicetype,
                front_port=front_port_templates[0],
                rear_port=rear_port_templates[0],
            ),
            PortTemplateMapping(
                device_type=devicetype,
                front_port=front_port_templates[1],
                rear_port=rear_port_templates[1],
            ),
            PortTemplateMapping(
                module_type=moduletype,
                front_port=front_port_templates[2],
                rear_port=rear_port_templates[2],
            ),
        ])

        cls.create_data = [
            {
                'device_type': devicetype.pk,
                'name': 'Rear Port Template 4',
                'type': PortTypeChoices.TYPE_8P8C,
                'front_ports': [
                    {
                        'position': 1,
                        'front_port': front_port_templates[3].pk,
                        'front_port_position': 1,
                    },
                ],
            },
            {
                'device_type': devicetype.pk,
                'name': 'Rear Port Template 5',
                'type': PortTypeChoices.TYPE_8P8C,
                'front_ports': [
                    {
                        'position': 1,
                        'front_port': front_port_templates[4].pk,
                        'front_port_position': 1,
                    },
                ],
            },
            {
                'module_type': moduletype.pk,
                'name': 'Rear Port Template 6',
                'type': PortTypeChoices.TYPE_8P8C,
                'front_ports': [
                    {
                        'position': 1,
                        'front_port': front_port_templates[5].pk,
                        'front_port_position': 1,
                    },
                ],
            },
        ]

        cls.update_data = {
            'type': PortTypeChoices.TYPE_LC,
            'front_ports': [
                {
                    'position': 1,
                    'front_port': front_port_templates[3].pk,
                    'front_port_position': 1,
                },
            ],
        }

    def test_update_object(self):
        super().test_update_object()

        # Check that the port mapping was updated after modifying the rear port template
        front_port_template = FrontPortTemplate.objects.get(name='Front Port Template 4')
        rear_port_template = RearPortTemplate.objects.get(name='Rear Port Template 1')
        self.assertTrue(
            PortTemplateMapping.objects.filter(
                front_port=front_port_template,
                front_port_position=1,
                rear_port=rear_port_template,
                rear_port_position=1,
            ).exists()
        )


class ModuleBayTemplateTestCase(APIViewTestCases.APIViewTestCase):
    model = ModuleBayTemplate
    brief_fields = ['description', 'display', 'enabled', 'id', 'name', 'url']
    bulk_update_data = {
        'description': 'New description',
    }
    user_permissions = ('dcim.view_devicetype', )

    @classmethod
    def setUpTestData(cls):
        manufacturer = Manufacturer.objects.create(name='Test Manufacturer 1', slug='test-manufacturer-1')
        devicetype = DeviceType.objects.create(
            manufacturer=manufacturer,
            model='Device Type 1',
            slug='device-type-1',
            subdevice_role=SubdeviceRoleChoices.ROLE_PARENT
        )

        module_bay_templates = (
            ModuleBayTemplate(device_type=devicetype, name='Module Bay Template 1', enabled=True),
            ModuleBayTemplate(device_type=devicetype, name='Module Bay Template 2', enabled=False),
            ModuleBayTemplate(device_type=devicetype, name='Module Bay Template 3', enabled=True),
        )
        ModuleBayTemplate.objects.bulk_create(module_bay_templates)

        cls.create_data = [
            {
                'device_type': devicetype.pk,
                'name': 'Module Bay Template 4',
                'enabled': False,
            },
            {
                'device_type': devicetype.pk,
                'name': 'Module Bay Template 5',
            },
            {
                'device_type': devicetype.pk,
                'name': 'Module Bay Template 6',
            },
        ]


class DeviceBayTemplateTestCase(APIViewTestCases.APIViewTestCase):
    model = DeviceBayTemplate
    brief_fields = ['description', 'display', 'enabled', 'id', 'name', 'url']
    bulk_update_data = {
        'description': 'New description',
    }
    user_permissions = ('dcim.view_devicetype', )

    @classmethod
    def setUpTestData(cls):
        manufacturer = Manufacturer.objects.create(name='Test Manufacturer 1', slug='test-manufacturer-1')
        devicetype = DeviceType.objects.create(
            manufacturer=manufacturer,
            model='Device Type 1',
            slug='device-type-1',
            subdevice_role=SubdeviceRoleChoices.ROLE_PARENT
        )

        device_bay_templates = (
            DeviceBayTemplate(device_type=devicetype, name='Device Bay Template 1', enabled=True),
            DeviceBayTemplate(device_type=devicetype, name='Device Bay Template 2', enabled=False),
            DeviceBayTemplate(device_type=devicetype, name='Device Bay Template 3', enabled=True),
        )
        DeviceBayTemplate.objects.bulk_create(device_bay_templates)

        cls.create_data = [
            {
                'device_type': devicetype.pk,
                'name': 'Device Bay Template 4',
                'enabled': False,
            },
            {
                'device_type': devicetype.pk,
                'name': 'Device Bay Template 5',
            },
            {
                'device_type': devicetype.pk,
                'name': 'Device Bay Template 6',
            },
        ]


class InventoryItemTemplateTestCase(APIViewTestCases.APIViewTestCase):
    model = InventoryItemTemplate
    brief_fields = ['_depth', 'description', 'display', 'id', 'name', 'url']
    bulk_update_data = {
        'description': 'New description',
    }
    user_permissions = ('dcim.view_devicetype', 'dcim.view_manufacturer',)

    @classmethod
    def setUpTestData(cls):
        manufacturer = Manufacturer.objects.create(name='Test Manufacturer 1', slug='test-manufacturer-1')
        devicetype = DeviceType.objects.create(
            manufacturer=manufacturer,
            model='Device Type 1',
            slug='device-type-1'
        )
        role = InventoryItemRole.objects.create(name='Inventory Item Role 1', slug='inventory-item-role-1')

        inventory_item_templates = (
            InventoryItemTemplate(
                device_type=devicetype, name='Inventory Item Template 1', manufacturer=manufacturer, role=role
            ),
            InventoryItemTemplate(
                device_type=devicetype, name='Inventory Item Template 2', manufacturer=manufacturer, role=role
            ),
            InventoryItemTemplate(
                device_type=devicetype, name='Inventory Item Template 3', manufacturer=manufacturer, role=role
            ),
            InventoryItemTemplate(
                device_type=devicetype, name='Inventory Item Template 4', manufacturer=manufacturer, role=role
            ),
        )
        for item in inventory_item_templates:
            item.save()

        cls.create_data = [
            {
                'device_type': devicetype.pk,
                'name': 'Inventory Item Template 5',
                'manufacturer': manufacturer.pk,
                'role': role.pk,
                'parent': inventory_item_templates[3].pk,
            },
            {
                'device_type': devicetype.pk,
                'name': 'Inventory Item Template 6',
                'manufacturer': manufacturer.pk,
                'role': role.pk,
                'parent': inventory_item_templates[3].pk,
            },
            {
                'device_type': devicetype.pk,
                'name': 'Inventory Item Template 7',
                'manufacturer': manufacturer.pk,
                'role': role.pk,
                'parent': inventory_item_templates[3].pk,
            },
        ]


class DeviceRoleTestCase(APIViewTestCases.APIViewTestCase):
    model = DeviceRole
    brief_fields = [
        '_depth', 'description', 'device_count', 'display', 'id', 'name', 'slug', 'url', 'virtualmachine_count'
    ]
    create_data = [
        {
            'name': 'Device Role 4',
            'slug': 'device-role-4',
            'color': 'ffff00',
        },
        {
            'name': 'Device Role 5',
            'slug': 'device-role-5',
            'color': 'ffff00',
        },
        {
            'name': 'Device Role 6',
            'slug': 'device-role-6',
            'color': 'ffff00',
        },
    ]
    bulk_update_data = {
        'description': 'New description',
    }

    @classmethod
    def setUpTestData(cls):

        DeviceRole.objects.create(name='Device Role 1', slug='device-role-1', color='ff0000')
        DeviceRole.objects.create(name='Device Role 2', slug='device-role-2', color='00ff00')
        DeviceRole.objects.create(name='Device Role 3', slug='device-role-3', color='0000ff')


class PlatformTestCase(APIViewTestCases.APIViewTestCase):
    model = Platform
    brief_fields = [
        '_depth', 'description', 'device_count', 'display', 'id', 'name', 'slug', 'url', 'virtualmachine_count',
    ]
    create_data = [
        {
            'name': 'Platform 4',
            'slug': 'platform-4',
        },
        {
            'name': 'Platform 5',
            'slug': 'platform-5',
        },
        {
            'name': 'Platform 6',
            'slug': 'platform-6',
        },
    ]
    bulk_update_data = {
        'description': 'New description',
    }

    @classmethod
    def setUpTestData(cls):

        platforms = (
            Platform(name='Platform 1', slug='platform-1'),
            Platform(name='Platform 2', slug='platform-2'),
            Platform(name='Platform 3', slug='platform-3'),
        )
        for platform in platforms:
            platform.save()


class DeviceTestCase(APIViewTestCases.APIViewTestCase):
    model = Device
    brief_fields = ['description', 'display', 'id', 'name', 'url']
    bulk_update_data = {
        'status': 'failed',
    }
    user_permissions = (
        'dcim.view_site', 'dcim.view_rack', 'dcim.view_location', 'dcim.view_devicerole', 'dcim.view_devicetype',
    )

    @classmethod
    def setUpTestData(cls):

        sites = (
            Site(name='Site 1', slug='site-1'),
            Site(name='Site 2', slug='site-2'),
        )
        Site.objects.bulk_create(sites)

        racks = (
            Rack(name='Rack 1', site=sites[0]),
            Rack(name='Rack 2', site=sites[1]),
        )
        Rack.objects.bulk_create(racks)

        manufacturer = Manufacturer.objects.create(name='Manufacturer 1', slug='manufacturer-1')

        device_types = (
            DeviceType(manufacturer=manufacturer, model='Device Type 1', slug='device-type-1'),
            DeviceType(manufacturer=manufacturer, model='Device Type 2', slug='device-type-2', u_height=2),
        )
        DeviceType.objects.bulk_create(device_types)

        roles = (
            DeviceRole(name='Device Role 1', slug='device-role-1', color='ff0000'),
            DeviceRole(name='Device Role 2', slug='device-role-2', color='00ff00'),
        )
        for role in roles:
            role.save()

        cluster_type = ClusterType.objects.create(name='Cluster Type 1', slug='cluster-type-1')

        clusters = (
            Cluster(name='Cluster 1', type=cluster_type),
            Cluster(name='Cluster 2', type=cluster_type),
        )
        Cluster.objects.bulk_create(clusters)

        devices = (
            Device(
                device_type=device_types[0],
                role=roles[0],
                name='Device 1',
                site=sites[0],
                rack=racks[0],
                cluster=clusters[0],
                local_context_data={'A': 1}
            ),
            Device(
                device_type=device_types[0],
                role=roles[0],
                name='Device 2',
                site=sites[0],
                rack=racks[0],
                cluster=clusters[0],
                local_context_data={'B': 2}
            ),
            Device(
                device_type=device_types[0],
                role=roles[0],
                name='Device 3',
                site=sites[0],
                rack=racks[0],
                cluster=clusters[0],
                local_context_data={'C': 3}
            ),
        )
        Device.objects.bulk_create(devices)

        cls.create_data = [
            {
                'device_type': device_types[1].pk,
                'role': roles[1].pk,
                'name': 'Test Device 4',
                'site': sites[1].pk,
                'rack': racks[1].pk,
                'cluster': clusters[1].pk,
            },
            {
                'device_type': device_types[1].pk,
                'role': roles[1].pk,
                'name': 'Test Device 5',
                'site': sites[1].pk,
                'rack': racks[1].pk,
                'cluster': clusters[1].pk,
            },
            {
                'device_type': device_types[1].pk,
                'role': roles[1].pk,
                'name': 'Test Device 6',
                'site': sites[1].pk,
                'rack': racks[1].pk,
                'cluster': clusters[1].pk,
            },
        ]

    def test_config_context_included_by_default_in_list_view(self):
        """
        Check that config context data is included by default in the devices list.
        """
        self.add_permissions('dcim.view_device')
        url = reverse('dcim-api:device-list') + '?slug=device-with-context-data'
        response = self.client.get(url, **self.header)

        self.assertEqual(response.data['results'][0].get('config_context', {}).get('A'), 1)

    def test_config_context_excluded(self):
        """
        Check that config context data can be excluded by passing ?exclude=config_context.
        """
        self.add_permissions('dcim.view_device')
        url = reverse('dcim-api:device-list') + '?exclude=config_context'
        response = self.client.get(url, **self.header)

        self.assertFalse('config_context' in response.data['results'][0])

    def test_unique_name_per_site_constraint(self):
        """
        Check that creating a device with a duplicate name within a site fails.
        """
        device = Device.objects.first()
        data = {
            'device_type': device.device_type.pk,
            'role': device.role.pk,
            'site': device.site.pk,
            'name': device.name,
        }

        self.add_permissions('dcim.add_device')
        url = reverse('dcim-api:device-list')
        response = self.client.post(url, data, format='json', **self.header)

        self.assertHttpStatus(response, status.HTTP_400_BAD_REQUEST)

    def test_rack_fit(self):
        """
        Check that creating multiple devices with overlapping position fails.
        """
        device = Device.objects.first()
        device_type = DeviceType.objects.all()[1]
        data = [
            {
                'device_type': device_type.pk,
                'role': device.role.pk,
                'site': device.site.pk,
                'name': 'Test Device 7',
                'rack': device.rack.pk,
                'face': 'front',
                'position': 1
            },
            {
                'device_type': device_type.pk,
                'role': device.role.pk,
                'site': device.site.pk,
                'name': 'Test Device 8',
                'rack': device.rack.pk,
                'face': 'front',
                'position': 2
            }
        ]

        self.add_permissions('dcim.add_device')
        url = reverse('dcim-api:device-list')
        response = self.client.post(url, data, format='json', **self.header)

        self.assertHttpStatus(response, status.HTTP_400_BAD_REQUEST)

    def test_render_config(self):
        configtemplate = ConfigTemplate.objects.create(
            name='Config Template 1',
            template_code='Config for device {{ device.name }}'
        )

        device = Device.objects.first()
        device.config_template = configtemplate
        device.save()

        self.add_permissions('dcim.render_config_device', 'dcim.view_device')
        url = reverse('dcim-api:device-render-config', kwargs={'pk': device.pk})
        response = self.client.post(url, {}, format='json', **self.header)
        self.assertHttpStatus(response, status.HTTP_200_OK)
        self.assertEqual(response.data['content'], f'Config for device {device.name}')

    def test_render_config_without_permission(self):
        configtemplate = ConfigTemplate.objects.create(
            name='Config Template 1',
            template_code='Config for device {{ device.name }}'
        )

        device = Device.objects.first()
        device.config_template = configtemplate
        device.save()

        # No permissions added - user has no render_config permission
        url = reverse('dcim-api:device-render-config', kwargs={'pk': device.pk})
        response = self.client.post(url, {}, format='json', **self.header)
        self.assertHttpStatus(response, status.HTTP_404_NOT_FOUND)

    def test_render_config_token_write_enabled(self):
        configtemplate = ConfigTemplate.objects.create(
            name='Config Template 1',
            template_code='Config for device {{ device.name }}'
        )

        device = Device.objects.first()
        device.config_template = configtemplate
        device.save()

        self.add_permissions('dcim.render_config_device', 'dcim.view_device')
        url = reverse('dcim-api:device-render-config', kwargs={'pk': device.pk})

        # Request without token auth should fail with PermissionDenied
        response = self.client.post(url, {}, format='json')
        self.assertHttpStatus(response, status.HTTP_403_FORBIDDEN)

        # Create token with write_enabled=False
        token = Token.objects.create(version=2, user=self.user, write_enabled=False)
        token_header = f'Bearer {TOKEN_PREFIX}{token.key}.{token.token}'

        # Request with write-disabled token should fail
        response = self.client.post(url, {}, format='json', HTTP_AUTHORIZATION=token_header)
        self.assertHttpStatus(response, status.HTTP_403_FORBIDDEN)

        # Enable write and retry
        token.write_enabled = True
        token.save()
        response = self.client.post(url, {}, format='json', HTTP_AUTHORIZATION=token_header)
        self.assertHttpStatus(response, status.HTTP_200_OK)

    def test_list_object_includes_nat_inside_on_primary_ip(self):
        device = create_test_device('natted-device')
        interface = Interface.objects.create(device=device, name='eth0', type='other')

        real_ip, nat_ip = create_test_nat_ip_pair(
            real_address='10.0.0.10/32',
            nat_address='198.51.100.10/32',
            inside_interface=interface,
        )

        device.primary_ip4 = nat_ip
        device.save()

        self.add_permissions('dcim.view_device', 'ipam.view_ipaddress')
        response = self.client.get(f'{self._get_list_url()}?id={device.pk}', **self.header)
        self.assertHttpStatus(response, status.HTTP_200_OK)

        result = response.data['results'][0]
        for field in ('primary_ip', 'primary_ip4'):
            self.assertEqual(result[field]['address'], str(nat_ip.address))
            self.assertEqual(result[field]['nat_inside']['address'], str(real_ip.address))
            self.assertEqual(result[field]['nat_outside'], [])

    def test_get_object_includes_nat_outside_on_primary_ip(self):
        device = create_test_device('real-ip-device')
        interface = Interface.objects.create(device=device, name='eth0', type='other')

        real_ip, nat_ip = create_test_nat_ip_pair(
            real_address='10.0.0.11/32',
            nat_address='198.51.100.11/32',
            inside_interface=interface,
        )

        device.primary_ip4 = real_ip
        device.save()

        self.add_permissions('dcim.view_device', 'ipam.view_ipaddress')
        response = self.client.get(
            f'{self._get_detail_url(device)}?exclude=config_context',
            **self.header,
        )
        self.assertHttpStatus(response, status.HTTP_200_OK)

        for field in ('primary_ip', 'primary_ip4'):
            self.assertEqual(response.data[field]['address'], str(real_ip.address))
            self.assertIsNone(response.data[field]['nat_inside'])
            self.assertCountEqual(
                [ip['address'] for ip in response.data[field]['nat_outside']],
                [str(nat_ip.address)],
            )

    def test_get_object_includes_nat_on_oob_ip(self):
        device = create_test_device('oob-nat-device')
        interface = Interface.objects.create(device=device, name='oob0', type='other')

        real_ip, nat_ip = create_test_nat_ip_pair(
            real_address='10.0.0.12/32',
            nat_address='198.51.100.12/32',
            inside_interface=interface,
        )

        device.oob_ip = nat_ip
        device.save()

        self.add_permissions('dcim.view_device', 'ipam.view_ipaddress')
        response = self.client.get(
            f'{self._get_detail_url(device)}?exclude=config_context',
            **self.header,
        )
        self.assertHttpStatus(response, status.HTTP_200_OK)

        self.assertEqual(response.data['oob_ip']['address'], str(nat_ip.address))
        self.assertEqual(response.data['oob_ip']['nat_inside']['address'], str(real_ip.address))
        self.assertEqual(response.data['oob_ip']['nat_outside'], [])

    def test_get_object_includes_dns_name_on_primary_ip(self):
        device = create_test_device('dns-device')
        interfaces = (
            Interface.objects.create(device=device, name='eth0', type='other'),
            Interface.objects.create(device=device, name='eth1', type='other'),
        )

        ip4 = IPAddress(address='192.0.2.10/32', dns_name='device4.example.com')
        ip4.assigned_object = interfaces[0]
        ip4.save()
        ip6 = IPAddress(address='2001:db8::10/128', dns_name='device6.example.com')
        ip6.assigned_object = interfaces[1]
        ip6.save()

        device.primary_ip4 = ip4
        device.primary_ip6 = ip6
        device.save()

        self.add_permissions('dcim.view_device', 'ipam.view_ipaddress')
        response = self.client.get(
            f'{self._get_detail_url(device)}?exclude=config_context',
            **self.header,
        )
        self.assertHttpStatus(response, status.HTTP_200_OK)

        self.assertEqual(response.data['primary_ip4']['dns_name'], 'device4.example.com')
        self.assertEqual(response.data['primary_ip6']['dns_name'], 'device6.example.com')
        self.assertIn(
            response.data['primary_ip']['dns_name'],
            ('device4.example.com', 'device6.example.com'),
        )

    def test_get_object_includes_dns_name_on_oob_ip(self):
        device = create_test_device('dns-oob-device')
        interface = Interface.objects.create(device=device, name='oob0', type='other')

        ip = IPAddress(address='192.0.2.20/32', dns_name='oob.example.com')
        ip.assigned_object = interface
        ip.save()

        device.oob_ip = ip
        device.save()

        self.add_permissions('dcim.view_device', 'ipam.view_ipaddress')
        response = self.client.get(
            f'{self._get_detail_url(device)}?exclude=config_context',
            **self.header,
        )
        self.assertHttpStatus(response, status.HTTP_200_OK)

        self.assertEqual(response.data['oob_ip']['dns_name'], 'oob.example.com')

    def test_render_config_with_config_template_id(self):
        default_template = ConfigTemplate.objects.create(
            name='Default Template',
            template_code='Default config for {{ device.name }}'
        )
        override_template = ConfigTemplate.objects.create(
            name='Override Template',
            template_code='Override config for {{ device.name }}'
        )

        device = Device.objects.first()
        device.config_template = default_template
        device.save()

        self.add_permissions('dcim.render_config_device', 'dcim.view_device', 'extras.view_configtemplate')
        url = reverse('dcim-api:device-render-config', kwargs={'pk': device.pk})

        # Render with override template
        response = self.client.post(url, {'config_template_id': override_template.pk}, format='json', **self.header)
        self.assertHttpStatus(response, status.HTTP_200_OK)
        self.assertEqual(response.data['content'], f'Override config for {device.name}')

        # Render with nonexistent config_template_id
        response = self.client.post(url, {'config_template_id': 999999}, format='json', **self.header)
        self.assertHttpStatus(response, status.HTTP_400_BAD_REQUEST)

        # Render with non-integer config_template_id
        response = self.client.post(url, {'config_template_id': 'abc'}, format='json', **self.header)
        self.assertHttpStatus(response, status.HTTP_400_BAD_REQUEST)

        # Without view_configtemplate permission, override template should not be accessible
        self.remove_permissions('extras.view_configtemplate')
        response = self.client.post(url, {'config_template_id': override_template.pk}, format='json', **self.header)
        self.assertHttpStatus(response, status.HTTP_400_BAD_REQUEST)


class ModuleTestCase(APIViewTestCases.APIViewTestCase):
    model = Module
    brief_fields = ['description', 'device', 'display', 'id', 'module_bay', 'module_type', 'url']
    bulk_update_data = {
        'serial': '1234ABCD',
    }
    user_permissions = (
        'dcim.view_modulebay', 'dcim.view_moduletype', 'dcim.view_moduletypeprofile', 'dcim.view_device'
    )

    @classmethod
    def setUpTestData(cls):
        manufacturer = Manufacturer.objects.create(name='Generic', slug='generic')
        profiles = (
            ModuleTypeProfile(name='Test CPU'),
            ModuleTypeProfile(name='Test Hard disk'),
        )
        ModuleTypeProfile.objects.bulk_create(profiles)
        device = create_test_device('Test Device 1')

        module_types = (
            ModuleType(manufacturer=manufacturer, model='Module Type 1', profile=profiles[0]),
            ModuleType(manufacturer=manufacturer, model='Module Type 2', profile=profiles[1]),
            ModuleType(manufacturer=manufacturer, model='Module Type 3'),
        )
        ModuleType.objects.bulk_create(module_types)

        module_bays = (
            ModuleBay(device=device, name='Module Bay 1'),
            ModuleBay(device=device, name='Module Bay 2'),
            ModuleBay(device=device, name='Module Bay 3'),
            ModuleBay(device=device, name='Module Bay 4'),
            ModuleBay(device=device, name='Module Bay 5'),
            ModuleBay(device=device, name='Module Bay 6'),
        )
        for module_bay in module_bays:
            module_bay.save()

        modules = (
            Module(device=device, module_bay=module_bays[0], module_type=module_types[0]),
            Module(device=device, module_bay=module_bays[1], module_type=module_types[1]),
            Module(device=device, module_bay=module_bays[2], module_type=module_types[2]),
        )
        Module.objects.bulk_create(modules)

        cls.create_data = [
            {
                'device': device.pk,
                'module_bay': module_bays[3].pk,
                'module_type': module_types[0].pk,
                'status': ModuleStatusChoices.STATUS_ACTIVE,
                'serial': 'ABC123',
                'asset_tag': 'Foo1',
            },
            {
                'device': device.pk,
                'module_bay': module_bays[4].pk,
                'module_type': module_types[1].pk,
                'status': ModuleStatusChoices.STATUS_ACTIVE,
                'serial': 'DEF456',
                'asset_tag': 'Foo2',
            },
            {
                'device': device.pk,
                'module_bay': module_bays[5].pk,
                'module_type': module_types[2].pk,
                'status': ModuleStatusChoices.STATUS_ACTIVE,
                'serial': 'GHI789',
                'asset_tag': 'Foo3',
            },
        ]

    def test_replicate_components(self):
        """
        Installing a module with replicate_components=True (the default) should create
        components from the module type's templates on the parent device.
        """
        self.add_permissions('dcim.add_module')
        manufacturer = Manufacturer.objects.get(name='Generic')
        device = create_test_device('Device for Replication Test')
        module_type = ModuleType.objects.create(manufacturer=manufacturer, model='Replication Test Module Type')
        InterfaceTemplate.objects.create(module_type=module_type, name='eth0', type='1000base-t')
        module_bay = ModuleBay.objects.create(device=device, name='Replication Bay')

        url = reverse('dcim-api:module-list')
        data = {
            'device': device.pk,
            'module_bay': module_bay.pk,
            'module_type': module_type.pk,
            'replicate_components': True,
        }
        response = self.client.post(url, data, format='json', **self.header)
        self.assertHttpStatus(response, status.HTTP_201_CREATED)
        self.assertTrue(device.interfaces.filter(name='eth0').exists())

    def test_no_replicate_components(self):
        """
        Installing a module with replicate_components=False should NOT create components
        from the module type's templates.
        """
        self.add_permissions('dcim.add_module')
        manufacturer = Manufacturer.objects.get(name='Generic')
        device = create_test_device('Device for No Replication Test')
        module_type = ModuleType.objects.create(manufacturer=manufacturer, model='No Replication Test Module Type')
        InterfaceTemplate.objects.create(module_type=module_type, name='eth0', type='1000base-t')
        module_bay = ModuleBay.objects.create(device=device, name='No Replication Bay')

        url = reverse('dcim-api:module-list')
        data = {
            'device': device.pk,
            'module_bay': module_bay.pk,
            'module_type': module_type.pk,
            'replicate_components': False,
        }
        response = self.client.post(url, data, format='json', **self.header)
        self.assertHttpStatus(response, status.HTTP_201_CREATED)
        self.assertFalse(device.interfaces.filter(name='eth0').exists())

    def test_adopt_components(self):
        """
        Installing a module with adopt_components=True should assign existing unattached
        device components to the new module.
        """
        self.add_permissions('dcim.add_module')
        manufacturer = Manufacturer.objects.get(name='Generic')
        device = create_test_device('Device for Adopt Test')
        module_type = ModuleType.objects.create(manufacturer=manufacturer, model='Adopt Test Module Type')
        InterfaceTemplate.objects.create(module_type=module_type, name='eth0', type='1000base-t')
        module_bay = ModuleBay.objects.create(device=device, name='Adopt Bay')
        existing_iface = Interface.objects.create(device=device, name='eth0', type='1000base-t')

        url = reverse('dcim-api:module-list')
        data = {
            'device': device.pk,
            'module_bay': module_bay.pk,
            'module_type': module_type.pk,
            'adopt_components': True,
            'replicate_components': False,
        }
        response = self.client.post(url, data, format='json', **self.header)
        self.assertHttpStatus(response, status.HTTP_201_CREATED)
        existing_iface.refresh_from_db()
        self.assertIsNotNone(existing_iface.module)

    def test_replicate_components_conflict(self):
        """
        Installing a module with replicate_components=True when a component with the same name
        already exists should return a validation error.
        """
        self.add_permissions('dcim.add_module')
        manufacturer = Manufacturer.objects.get(name='Generic')
        device = create_test_device('Device for Conflict Test')
        module_type = ModuleType.objects.create(manufacturer=manufacturer, model='Conflict Test Module Type')
        InterfaceTemplate.objects.create(module_type=module_type, name='eth0', type='1000base-t')
        module_bay = ModuleBay.objects.create(device=device, name='Conflict Bay')
        Interface.objects.create(device=device, name='eth0', type='1000base-t')

        url = reverse('dcim-api:module-list')
        data = {
            'device': device.pk,
            'module_bay': module_bay.pk,
            'module_type': module_type.pk,
            'replicate_components': True,
        }
        response = self.client.post(url, data, format='json', **self.header)
        self.assertHttpStatus(response, status.HTTP_400_BAD_REQUEST)

    def test_adopt_components_already_owned(self):
        """
        Installing a module with adopt_components=True when an existing component already
        belongs to another module should return a validation error.
        """
        self.add_permissions('dcim.add_module')
        manufacturer = Manufacturer.objects.get(name='Generic')
        device = create_test_device('Device for Adopt Owned Test')
        owner_module_type = ModuleType.objects.create(manufacturer=manufacturer, model='Owner Module Type')
        module_type = ModuleType.objects.create(manufacturer=manufacturer, model='Adopt Owned Test Module Type')
        InterfaceTemplate.objects.create(module_type=module_type, name='eth0', type='1000base-t')
        owner_bay = ModuleBay.objects.create(device=device, name='Owner Bay')
        target_bay = ModuleBay.objects.create(device=device, name='Adopt Owned Bay')

        # Install a module that owns the interface
        owner_module = Module.objects.create(device=device, module_bay=owner_bay, module_type=owner_module_type)
        Interface.objects.create(device=device, name='eth0', type='1000base-t', module=owner_module)

        url = reverse('dcim-api:module-list')
        data = {
            'device': device.pk,
            'module_bay': target_bay.pk,
            'module_type': module_type.pk,
            'adopt_components': True,
        }
        response = self.client.post(url, data, format='json', **self.header)
        self.assertHttpStatus(response, status.HTTP_400_BAD_REQUEST)

    def test_patch_ignores_replicate_and_adopt(self):
        """
        PATCH requests that include replicate_components or adopt_components should not
        trigger component replication or adoption (these fields are create-only).
        """
        self.add_permissions('dcim.change_module')
        manufacturer = Manufacturer.objects.get(name='Generic')
        device = create_test_device('Device for PATCH Test')
        module_type = ModuleType.objects.create(manufacturer=manufacturer, model='PATCH Test Module Type')
        InterfaceTemplate.objects.create(module_type=module_type, name='eth0', type='1000base-t')
        module_bay = ModuleBay.objects.create(device=device, name='PATCH Bay')
        # Create the module without replication so we can verify PATCH doesn't trigger it
        module = Module(device=device, module_bay=module_bay, module_type=module_type)
        module._disable_replication = True
        module.save()

        url = reverse('dcim-api:module-detail', kwargs={'pk': module.pk})
        data = {
            'replicate_components': True,
            'adopt_components': True,
            'serial': 'PATCHED',
        }
        response = self.client.patch(url, data, format='json', **self.header)
        self.assertHttpStatus(response, status.HTTP_200_OK)
        self.assertEqual(response.data['serial'], 'PATCHED')
        # No interfaces should have been created by the PATCH
        self.assertFalse(device.interfaces.exists())

    def test_adopt_and_replicate_components(self):
        """
        Installing a module with both adopt_components=True and replicate_components=True
        should adopt existing unowned components and create new components for templates
        that have no matching existing component.
        """
        self.add_permissions('dcim.add_module')
        manufacturer = Manufacturer.objects.get(name='Generic')
        device = create_test_device('Device for Adopt+Replicate Test')
        module_type = ModuleType.objects.create(manufacturer=manufacturer, model='Adopt+Replicate Test Module Type')
        InterfaceTemplate.objects.create(module_type=module_type, name='eth0', type='1000base-t')
        InterfaceTemplate.objects.create(module_type=module_type, name='eth1', type='1000base-t')
        module_bay = ModuleBay.objects.create(device=device, name='Adopt+Replicate Bay')
        # eth0 already exists (unowned); eth1 does not
        existing_iface = Interface.objects.create(device=device, name='eth0', type='1000base-t')

        url = reverse('dcim-api:module-list')
        data = {
            'device': device.pk,
            'module_bay': module_bay.pk,
            'module_type': module_type.pk,
            'adopt_components': True,
            'replicate_components': True,
        }
        response = self.client.post(url, data, format='json', **self.header)
        self.assertHttpStatus(response, status.HTTP_201_CREATED)
        # eth0 should have been adopted (now owned by the new module)
        existing_iface.refresh_from_db()
        self.assertIsNotNone(existing_iface.module)
        # eth1 should have been created
        self.assertTrue(device.interfaces.filter(name='eth1').exists())

    def test_module_token_no_position(self):
        """
        Installing a module whose type has a template with a MODULE_TOKEN placeholder into a
        module bay with no position defined should return a validation error.
        """
        self.add_permissions('dcim.add_module')
        manufacturer = Manufacturer.objects.get(name='Generic')
        device = create_test_device('Device for Token No-Position Test')
        module_type = ModuleType.objects.create(manufacturer=manufacturer, model='Token No-Position Module Type')
        # Template name contains the MODULE_TOKEN placeholder
        InterfaceTemplate.objects.create(
            module_type=module_type, name=f'{MODULE_TOKEN}-eth0', type='1000base-t'
        )
        # Module bay has no position
        module_bay = ModuleBay.objects.create(device=device, name='No-Position Bay')

        url = reverse('dcim-api:module-list')
        data = {
            'device': device.pk,
            'module_bay': module_bay.pk,
            'module_type': module_type.pk,
        }
        response = self.client.post(url, data, format='json', **self.header)
        self.assertHttpStatus(response, status.HTTP_400_BAD_REQUEST)

    def test_module_token_depth_mismatch(self):
        """
        Installing a module whose template name has more MODULE_TOKEN placeholders than the
        depth of the module bay tree should return a validation error.
        """
        self.add_permissions('dcim.add_module')
        manufacturer = Manufacturer.objects.get(name='Generic')
        device = create_test_device('Device for Token Depth Mismatch Test')
        module_type = ModuleType.objects.create(manufacturer=manufacturer, model='Token Depth Mismatch Module Type')
        # Template name has two placeholders but the bay is at depth 1
        InterfaceTemplate.objects.create(
            module_type=module_type, name=f'{MODULE_TOKEN}-{MODULE_TOKEN}-eth0', type='1000base-t'
        )
        module_bay = ModuleBay.objects.create(device=device, name='Depth 1 Bay', position='1')

        url = reverse('dcim-api:module-list')
        data = {
            'device': device.pk,
            'module_bay': module_bay.pk,
            'module_type': module_type.pk,
        }
        response = self.client.post(url, data, format='json', **self.header)
        self.assertHttpStatus(response, status.HTTP_400_BAD_REQUEST)

    def test_list_objects_by_profile_id(self):
        profiles = ModuleTypeProfile.objects.filter(name__startswith='Test').order_by('name')
        self.add_permissions('dcim.view_module')
        response = self.client.get(self._get_list_url(), {'profile_id': [profiles[0].pk]}, **self.header)
        self.assertHttpStatus(response, status.HTTP_200_OK)
        self.assertEqual(len(response.data['results']), 1)

        response = self.client.get(self._get_list_url(), {'profile_id': [profiles[1].pk]}, **self.header)
        self.assertHttpStatus(response, status.HTTP_200_OK)
        self.assertEqual(len(response.data['results']), 1)

        response = self.client.get(
            self._get_list_url(),
            {'profile_id': [settings.FILTERS_NULL_CHOICE_VALUE]},
            **self.header,
        )
        self.assertHttpStatus(response, status.HTTP_200_OK)
        self.assertEqual(len(response.data['results']), 1)

    def test_list_objects_by_profile(self):
        profiles = ModuleTypeProfile.objects.filter(name__startswith='Test').order_by('name')
        self.add_permissions('dcim.view_module')
        response = self.client.get(self._get_list_url(), {'profile': [profiles[0].name]}, **self.header)
        self.assertHttpStatus(response, status.HTTP_200_OK)
        self.assertEqual(len(response.data['results']), 1)

        response = self.client.get(self._get_list_url(), {'profile': [profiles[1].name]}, **self.header)
        self.assertHttpStatus(response, status.HTTP_200_OK)
        self.assertEqual(len(response.data['results']), 1)


class ConsolePortTestCase(Mixins.ComponentTraceMixin, APIViewTestCases.APIViewTestCase):
    model = ConsolePort
    brief_fields = ['_occupied', 'cable', 'description', 'device', 'display', 'id', 'name', 'url']
    bulk_update_data = {
        'description': 'New description',
    }
    peer_termination_type = ConsoleServerPort
    user_permissions = ('dcim.view_device', )

    @classmethod
    def setUpTestData(cls):
        manufacturer = Manufacturer.objects.create(name='Test Manufacturer 1', slug='test-manufacturer-1')
        devicetype = DeviceType.objects.create(manufacturer=manufacturer, model='Device Type 1', slug='device-type-1')
        site = Site.objects.create(name='Site 1', slug='site-1')
        role = DeviceRole.objects.create(name='Test Device Role 1', slug='test-device-role-1', color='ff0000')
        device = Device.objects.create(device_type=devicetype, role=role, name='Device 1', site=site)

        console_ports = (
            ConsolePort(device=device, name='Console Port 1'),
            ConsolePort(device=device, name='Console Port 2'),
            ConsolePort(device=device, name='Console Port 3'),
        )
        ConsolePort.objects.bulk_create(console_ports)

        cls.create_data = [
            {
                'device': device.pk,
                'name': 'Console Port 4',
                'speed': 9600,
            },
            {
                'device': device.pk,
                'name': 'Console Port 5',
                'speed': 115200,
            },
            {
                'device': device.pk,
                'name': 'Console Port 6',
                'speed': None,
            },
        ]


class ConsoleServerPortTestCase(Mixins.ComponentTraceMixin, APIViewTestCases.APIViewTestCase):
    model = ConsoleServerPort
    brief_fields = ['_occupied', 'cable', 'description', 'device', 'display', 'id', 'name', 'url']
    bulk_update_data = {
        'description': 'New description',
    }
    peer_termination_type = ConsolePort
    user_permissions = ('dcim.view_device', )

    @classmethod
    def setUpTestData(cls):
        manufacturer = Manufacturer.objects.create(name='Test Manufacturer 1', slug='test-manufacturer-1')
        devicetype = DeviceType.objects.create(manufacturer=manufacturer, model='Device Type 1', slug='device-type-1')
        site = Site.objects.create(name='Site 1', slug='site-1')
        role = DeviceRole.objects.create(name='Test Device Role 1', slug='test-device-role-1', color='ff0000')
        device = Device.objects.create(device_type=devicetype, role=role, name='Device 1', site=site)

        console_server_ports = (
            ConsoleServerPort(device=device, name='Console Server Port 1'),
            ConsoleServerPort(device=device, name='Console Server Port 2'),
            ConsoleServerPort(device=device, name='Console Server Port 3'),
        )
        ConsoleServerPort.objects.bulk_create(console_server_ports)

        cls.create_data = [
            {
                'device': device.pk,
                'name': 'Console Server Port 4',
                'speed': 9600,
            },
            {
                'device': device.pk,
                'name': 'Console Server Port 5',
                'speed': 115200,
            },
            {
                'device': device.pk,
                'name': 'Console Server Port 6',
                'speed': None,
            },
        ]


class PowerPortTestCase(Mixins.ComponentTraceMixin, APIViewTestCases.APIViewTestCase):
    model = PowerPort
    brief_fields = ['_occupied', 'cable', 'description', 'device', 'display', 'id', 'name', 'url']
    bulk_update_data = {
        'description': 'New description',
    }
    peer_termination_type = PowerOutlet
    user_permissions = ('dcim.view_device', )

    @classmethod
    def setUpTestData(cls):
        manufacturer = Manufacturer.objects.create(name='Test Manufacturer 1', slug='test-manufacturer-1')
        devicetype = DeviceType.objects.create(manufacturer=manufacturer, model='Device Type 1', slug='device-type-1')
        site = Site.objects.create(name='Site 1', slug='site-1')
        role = DeviceRole.objects.create(name='Test Device Role 1', slug='test-device-role-1', color='ff0000')
        device = Device.objects.create(device_type=devicetype, role=role, name='Device 1', site=site)

        power_ports = (
            PowerPort(device=device, name='Power Port 1'),
            PowerPort(device=device, name='Power Port 2'),
            PowerPort(device=device, name='Power Port 3'),
        )
        PowerPort.objects.bulk_create(power_ports)

        cls.create_data = [
            {
                'device': device.pk,
                'name': 'Power Port 4',
            },
            {
                'device': device.pk,
                'name': 'Power Port 5',
            },
            {
                'device': device.pk,
                'name': 'Power Port 6',
            },
        ]


class PowerOutletTestCase(Mixins.ComponentTraceMixin, APIViewTestCases.APIViewTestCase):
    model = PowerOutlet
    brief_fields = ['_occupied', 'cable', 'description', 'device', 'display', 'id', 'name', 'url']
    bulk_update_data = {
        'description': 'New description',
    }
    peer_termination_type = PowerPort
    user_permissions = ('dcim.view_device', )

    @classmethod
    def setUpTestData(cls):
        manufacturer = Manufacturer.objects.create(name='Test Manufacturer 1', slug='test-manufacturer-1')
        devicetype = DeviceType.objects.create(manufacturer=manufacturer, model='Device Type 1', slug='device-type-1')
        site = Site.objects.create(name='Site 1', slug='site-1')
        role = DeviceRole.objects.create(name='Test Device Role 1', slug='test-device-role-1', color='ff0000')
        device = Device.objects.create(device_type=devicetype, role=role, name='Device 1', site=site)

        power_ports = (
            PowerPort(device=device, name='Power Port 1'),
            PowerPort(device=device, name='Power Port 2'),
        )
        PowerPort.objects.bulk_create(power_ports)

        power_outlets = (
            PowerOutlet(device=device, name='Power Outlet 1'),
            PowerOutlet(device=device, name='Power Outlet 2'),
            PowerOutlet(device=device, name='Power Outlet 3'),
        )
        PowerOutlet.objects.bulk_create(power_outlets)

        cls.create_data = [
            {
                'device': device.pk,
                'name': 'Power Outlet 4',
                'power_port': power_ports[0].pk,
            },
            {
                'device': device.pk,
                'name': 'Power Outlet 5',
                'power_port': power_ports[1].pk,
            },
            {
                'device': device.pk,
                'name': 'Power Outlet 6',
                'power_port': None,
            },
        ]


class InterfaceTestCase(Mixins.ComponentTraceMixin, APIViewTestCases.APIViewTestCase):
    model = Interface
    brief_fields = ['_occupied', 'cable', 'description', 'device', 'display', 'id', 'name', 'url']
    bulk_update_data = {
        'description': 'New description',
    }
    peer_termination_type = Interface
    user_permissions = ('dcim.view_device', )

    @classmethod
    def setUpTestData(cls):
        manufacturer = Manufacturer.objects.create(name='Test Manufacturer 1', slug='test-manufacturer-1')
        devicetype = DeviceType.objects.create(manufacturer=manufacturer, model='Device Type 1', slug='device-type-1')
        site = Site.objects.create(name='Site 1', slug='site-1')
        role = DeviceRole.objects.create(name='Test Device Role 1', slug='test-device-role-1', color='ff0000')
        device = Device.objects.create(device_type=devicetype, role=role, name='Device 1', site=site)

        interfaces = (
            Interface(device=device, name='Interface 1', type='1000base-t'),
            Interface(device=device, name='Interface 2', type='1000base-t'),
            Interface(device=device, name='Interface 3', type='1000base-t'),
        )
        Interface.objects.bulk_create(interfaces)

        vdcs = (
            VirtualDeviceContext(name='VDC 1', identifier=1, device=device),
            VirtualDeviceContext(name='VDC 2', identifier=2, device=device)
        )
        VirtualDeviceContext.objects.bulk_create(vdcs)

        vlans = (
            VLAN(name='VLAN 1', vid=1),
            VLAN(name='VLAN 2', vid=2),
            VLAN(name='VLAN 3', vid=3),
            VLAN(name='SVLAN 1', vid=1001, qinq_role=VLANQinQRoleChoices.ROLE_SERVICE),
        )
        VLAN.objects.bulk_create(vlans)

        wireless_lans = (
            WirelessLAN(ssid='WLAN1'),
            WirelessLAN(ssid='WLAN2'),
        )
        WirelessLAN.objects.bulk_create(wireless_lans)

        vrfs = (
            VRF(name='VRF 1'),
            VRF(name='VRF 2'),
            VRF(name='VRF 3'),
        )
        VRF.objects.bulk_create(vrfs)

        cls.create_data = [
            {
                'device': device.pk,
                'name': 'Interface 4',
                'type': 'other',
                'mode': InterfaceModeChoices.MODE_TAGGED,
                'speed': 16_000_000_000,
                'duplex': 'full',
                'vrf': vrfs[0].pk,
                'poe_mode': InterfacePoEModeChoices.MODE_PD,
                'poe_type': InterfacePoETypeChoices.TYPE_1_8023AF,
                'tagged_vlans': [vlans[0].pk, vlans[1].pk],
                'untagged_vlan': vlans[2].pk,
            },
            {
                'device': device.pk,
                'name': 'Interface 5',
                'type': '1000base-t',
                'mode': InterfaceModeChoices.MODE_TAGGED,
                'bridge': interfaces[0].pk,
                'speed': 100000,
                'duplex': 'half',
                'vrf': vrfs[1].pk,
                'tagged_vlans': [vlans[0].pk, vlans[1].pk],
                'untagged_vlan': vlans[2].pk,
            },
            {
                'device': device.pk,
                'vdcs': [vdcs[0].pk],
                'name': 'Interface 6',
                'type': 'virtual',
                'mode': InterfaceModeChoices.MODE_TAGGED,
                'parent': interfaces[1].pk,
                'vrf': vrfs[2].pk,
                'tagged_vlans': [vlans[0].pk, vlans[1].pk],
                'untagged_vlan': vlans[2].pk,
            },
            {
                'device': device.pk,
                'vdcs': [vdcs[1].pk],
                'name': 'Interface 7',
                'type': InterfaceTypeChoices.TYPE_80211A,
                'mode': InterfaceModeChoices.MODE_Q_IN_Q,
                'tx_power': 10,
                'wireless_lans': [wireless_lans[0].pk, wireless_lans[1].pk],
                'rf_channel': WirelessChannelChoices.CHANNEL_5G_32,
                'qinq_svlan': vlans[3].pk,
            },
            {
                'device': device.pk,
                'vdcs': [vdcs[1].pk],
                'name': 'Interface 8',
                'type': InterfaceTypeChoices.TYPE_80211A,
                'mode': InterfaceModeChoices.MODE_Q_IN_Q,
                'tx_power': 10,
                'wireless_lans': [wireless_lans[0].pk, wireless_lans[1].pk],
                'rf_channel': "",
                'qinq_svlan': vlans[3].pk,
            },
        ]

    def _perform_interface_test_with_invalid_data(self, mode: str = None, invalid_data: dict = {}):
        device = Device.objects.first()
        data = {
            'device': device.pk,
            'name': 'Interface 1',
            'type': InterfaceTypeChoices.TYPE_1GE_FIXED,
        }
        data.update({'mode': mode})
        data.update(invalid_data)

        response = self.client.post(self._get_list_url(), data, format='json', **self.header)
        self.assertHttpStatus(response, status.HTTP_400_BAD_REQUEST)
        content = json.loads(response.content)
        for key in invalid_data.keys():
            self.assertIn(key, content)
        self.assertIsNone(content.get('data'))

    def test_bulk_delete_child_interfaces(self):
        interface1 = Interface.objects.get(name='Interface 1')
        device = interface1.device
        self.add_permissions('dcim.delete_interface')

        # Create a child interface
        child = Interface.objects.create(
            device=device,
            name='Interface 1A',
            type=InterfaceTypeChoices.TYPE_VIRTUAL,
            parent=interface1
        )
        self.assertEqual(device.interfaces.count(), 4)

        # Attempt to delete only the parent interface
        url = self._get_detail_url(interface1)
        with disable_logging():
            self.client.delete(url, **self.header)
        self.assertEqual(device.interfaces.count(), 4)  # Parent was not deleted

        # Attempt to bulk delete parent & child together
        data = [
            {"id": interface1.pk},
            {"id": child.pk},
        ]
        self.client.delete(self._get_list_url(), data, format='json', **self.header)
        self.assertEqual(device.interfaces.count(), 2)  # Child & parent were both deleted

    def test_create_child_interfaces_mode_invalid_data(self):
        """
        POST data to test interface mode check and invalid tagged/untagged VLANS.
        """
        self.add_permissions('dcim.add_interface')

        vlans = VLAN.objects.all()[0:3]

        # Routed mode, untagged, tagged and qinq service vlan
        invalid_data = {
            'untagged_vlan': vlans[0].pk,
            'tagged_vlans': [vlans[1].pk, vlans[2].pk],
            'qinq_svlan': vlans[2].pk
        }
        self._perform_interface_test_with_invalid_data(None, invalid_data)

        # Routed mode, untagged and tagged vlan
        invalid_data = {
            'untagged_vlan': vlans[0].pk,
            'tagged_vlans': [vlans[1].pk, vlans[2].pk],
        }
        self._perform_interface_test_with_invalid_data(None, invalid_data)

        # Routed mode, untagged vlan
        invalid_data = {
            'untagged_vlan': vlans[0].pk,
        }
        self._perform_interface_test_with_invalid_data(None, invalid_data)

        invalid_data = {
            'tagged_vlans': [vlans[1].pk, vlans[2].pk],
        }
        # Routed mode, qinq service vlan
        self._perform_interface_test_with_invalid_data(None, invalid_data)
        # Access mode, tagged vlans
        self._perform_interface_test_with_invalid_data(InterfaceModeChoices.MODE_ACCESS, invalid_data)
        # All tagged mode, tagged vlans
        self._perform_interface_test_with_invalid_data(InterfaceModeChoices.MODE_TAGGED_ALL, invalid_data)

        invalid_data = {
            'qinq_svlan': vlans[0].pk,
        }
        # Routed mode, qinq service vlan
        self._perform_interface_test_with_invalid_data(None, invalid_data)
        # Access mode, qinq service vlan
        self._perform_interface_test_with_invalid_data(InterfaceModeChoices.MODE_ACCESS, invalid_data)
        # Tagged mode, qinq service vlan
        self._perform_interface_test_with_invalid_data(InterfaceModeChoices.MODE_TAGGED, invalid_data)
        # Tagged-all mode, qinq service vlan
        self._perform_interface_test_with_invalid_data(InterfaceModeChoices.MODE_TAGGED_ALL, invalid_data)


class FrontPortTestCase(APIViewTestCases.APIViewTestCase):
    model = FrontPort
    brief_fields = ['_occupied', 'cable', 'description', 'device', 'display', 'id', 'name', 'url']
    bulk_update_data = {
        'description': 'New description',
    }
    peer_termination_type = Interface
    user_permissions = ('dcim.view_device', 'dcim.view_rearport')

    @classmethod
    def setUpTestData(cls):
        manufacturer = Manufacturer.objects.create(name='Test Manufacturer 1', slug='test-manufacturer-1')
        devicetype = DeviceType.objects.create(manufacturer=manufacturer, model='Device Type 1', slug='device-type-1')
        site = Site.objects.create(name='Site 1', slug='site-1')
        role = DeviceRole.objects.create(name='Test Device Role 1', slug='test-device-role-1', color='ff0000')
        device = Device.objects.create(device_type=devicetype, role=role, name='Device 1', site=site)

        rear_ports = (
            RearPort(device=device, name='Rear Port 1', type=PortTypeChoices.TYPE_8P8C),
            RearPort(device=device, name='Rear Port 2', type=PortTypeChoices.TYPE_8P8C),
            RearPort(device=device, name='Rear Port 3', type=PortTypeChoices.TYPE_8P8C),
            RearPort(device=device, name='Rear Port 4', type=PortTypeChoices.TYPE_8P8C),
            RearPort(device=device, name='Rear Port 5', type=PortTypeChoices.TYPE_8P8C),
            RearPort(device=device, name='Rear Port 6', type=PortTypeChoices.TYPE_8P8C),
        )
        RearPort.objects.bulk_create(rear_ports)
        front_ports = (
            FrontPort(device=device, name='Front Port 1', type=PortTypeChoices.TYPE_8P8C),
            FrontPort(device=device, name='Front Port 2', type=PortTypeChoices.TYPE_8P8C),
            FrontPort(device=device, name='Front Port 3', type=PortTypeChoices.TYPE_8P8C),
        )
        FrontPort.objects.bulk_create(front_ports)
        PortMapping.objects.bulk_create([
            PortMapping(device=device, front_port=front_ports[0], rear_port=rear_ports[0]),
            PortMapping(device=device, front_port=front_ports[1], rear_port=rear_ports[1]),
            PortMapping(device=device, front_port=front_ports[2], rear_port=rear_ports[2]),
        ])

        cls.create_data = [
            {
                'device': device.pk,
                'name': 'Front Port 4',
                'type': PortTypeChoices.TYPE_8P8C,
                'rear_ports': [
                    {
                        'position': 1,
                        'rear_port': rear_ports[3].pk,
                        'rear_port_position': 1,
                    },
                ],
            },
            {
                'device': device.pk,
                'name': 'Front Port 5',
                'type': PortTypeChoices.TYPE_8P8C,
                'rear_ports': [
                    {
                        'position': 1,
                        'rear_port': rear_ports[4].pk,
                        'rear_port_position': 1,
                    },
                ],
            },
            {
                'device': device.pk,
                'name': 'Front Port 6',
                'type': PortTypeChoices.TYPE_8P8C,
                'rear_ports': [
                    {
                        'position': 1,
                        'rear_port': rear_ports[5].pk,
                        'rear_port_position': 1,
                    },
                ],
            },
        ]

        cls.update_data = {
            'type': PortTypeChoices.TYPE_LC,
            'rear_ports': [
                {
                    'position': 1,
                    'rear_port': rear_ports[3].pk,
                    'rear_port_position': 1,
                },
            ],
        }

    def test_update_object(self):
        super().test_update_object()

        # Check that the port mapping was updated after modifying the front port
        front_port = FrontPort.objects.get(name='Front Port 1')
        rear_port = RearPort.objects.get(name='Rear Port 4')
        self.assertTrue(
            PortMapping.objects.filter(
                front_port=front_port,
                front_port_position=1,
                rear_port=rear_port,
                rear_port_position=1,
            ).exists()
        )

    @tag('regression')  # Issue #18991
    def test_front_port_paths(self):
        device = Device.objects.first()
        interface1 = Interface.objects.create(device=device, name='Interface 1')
        rear_port = RearPort.objects.create(device=device, name='Rear Port 10', type=PortTypeChoices.TYPE_8P8C)
        front_port = FrontPort.objects.create(device=device, name='Front Port 10', type=PortTypeChoices.TYPE_8P8C)
        PortMapping.objects.create(device=device, front_port=front_port, rear_port=rear_port)
        Cable.objects.create(a_terminations=[interface1], b_terminations=[front_port])

        self.add_permissions(f'dcim.view_{self.model._meta.model_name}')
        url = reverse(f'dcim-api:{self.model._meta.model_name}-paths', kwargs={'pk': front_port.pk})
        response = self.client.get(url, **self.header)

        self.assertHttpStatus(response, status.HTTP_200_OK)


class RearPortTestCase(APIViewTestCases.APIViewTestCase):
    model = RearPort
    brief_fields = ['_occupied', 'cable', 'description', 'device', 'display', 'id', 'name', 'url']
    bulk_update_data = {
        'description': 'New description',
    }
    peer_termination_type = Interface
    user_permissions = ('dcim.view_device', )

    @classmethod
    def setUpTestData(cls):
        manufacturer = Manufacturer.objects.create(name='Test Manufacturer 1', slug='test-manufacturer-1')
        devicetype = DeviceType.objects.create(manufacturer=manufacturer, model='Device Type 1', slug='device-type-1')
        site = Site.objects.create(name='Site 1', slug='site-1')
        role = DeviceRole.objects.create(name='Test Device Role 1', slug='test-device-role-1', color='ff0000')
        device = Device.objects.create(device_type=devicetype, role=role, name='Device 1', site=site)

        front_ports = (
            FrontPort(device=device, name='Front Port 1', type=PortTypeChoices.TYPE_8P8C),
            FrontPort(device=device, name='Front Port 2', type=PortTypeChoices.TYPE_8P8C),
            FrontPort(device=device, name='Front Port 3', type=PortTypeChoices.TYPE_8P8C),
            FrontPort(device=device, name='Front Port 4', type=PortTypeChoices.TYPE_8P8C),
            FrontPort(device=device, name='Front Port 5', type=PortTypeChoices.TYPE_8P8C),
            FrontPort(device=device, name='Front Port 6', type=PortTypeChoices.TYPE_8P8C),
        )
        FrontPort.objects.bulk_create(front_ports)
        rear_ports = (
            RearPort(device=device, name='Rear Port 1', type=PortTypeChoices.TYPE_8P8C),
            RearPort(device=device, name='Rear Port 2', type=PortTypeChoices.TYPE_8P8C),
            RearPort(device=device, name='Rear Port 3', type=PortTypeChoices.TYPE_8P8C),
        )
        RearPort.objects.bulk_create(rear_ports)

        cls.create_data = [
            {
                'device': device.pk,
                'name': 'Rear Port 4',
                'type': PortTypeChoices.TYPE_8P8C,
                'front_ports': [
                    {
                        'position': 1,
                        'front_port': front_ports[3].pk,
                        'front_port_position': 1,
                    },
                ],
            },
            {
                'device': device.pk,
                'name': 'Rear Port 5',
                'type': PortTypeChoices.TYPE_8P8C,
                'front_ports': [
                    {
                        'position': 1,
                        'front_port': front_ports[4].pk,
                        'front_port_position': 1,
                    },
                ],
            },
            {
                'device': device.pk,
                'name': 'Rear Port 6',
                'type': PortTypeChoices.TYPE_8P8C,
                'front_ports': [
                    {
                        'position': 1,
                        'front_port': front_ports[5].pk,
                        'front_port_position': 1,
                    },
                ],
            },
        ]

        cls.update_data = {
            'type': PortTypeChoices.TYPE_LC,
            'front_ports': [
                {
                    'position': 1,
                    'front_port': front_ports[3].pk,
                    'front_port_position': 1,
                },
            ],
        }

    def test_update_object(self):
        super().test_update_object()

        # Check that the port mapping was updated after modifying the rear port
        front_port = FrontPort.objects.get(name='Front Port 4')
        rear_port = RearPort.objects.get(name='Rear Port 1')
        self.assertTrue(
            PortMapping.objects.filter(
                front_port=front_port,
                front_port_position=1,
                rear_port=rear_port,
                rear_port_position=1,
            ).exists()
        )

    @tag('regression')  # Issue #18991
    def test_rear_port_paths(self):
        device = Device.objects.first()
        interface1 = Interface.objects.create(device=device, name='Interface 1')
        rear_port = RearPort.objects.create(
            device=device,
            name='Rear Port 10',
            type=PortTypeChoices.TYPE_8P8C,
        )
        Cable.objects.create(a_terminations=[interface1], b_terminations=[rear_port])

        self.add_permissions(f'dcim.view_{self.model._meta.model_name}')
        url = reverse(f'dcim-api:{self.model._meta.model_name}-paths', kwargs={'pk': rear_port.pk})
        response = self.client.get(url, **self.header)

        self.assertHttpStatus(response, status.HTTP_200_OK)


class ModuleBayTestCase(APIViewTestCases.APIViewTestCase):
    model = ModuleBay
    brief_fields = ['_occupied', 'description', 'display', 'enabled', 'id', 'installed_module', 'name', 'url']
    bulk_update_data = {
        'description': 'New description',
    }
    user_permissions = ('dcim.view_device', )

    @classmethod
    def setUpTestData(cls):
        manufacturer = Manufacturer.objects.create(name='Test Manufacturer 1', slug='test-manufacturer-1')
        site = Site.objects.create(name='Site 1', slug='site-1')
        role = DeviceRole.objects.create(name='Test Device Role 1', slug='test-device-role-1', color='ff0000')

        device_type = DeviceType.objects.create(manufacturer=manufacturer, model='Device Type 1', slug='device-type-1')
        device = Device.objects.create(device_type=device_type, role=role, name='Device 1', site=site)

        module_bays = (
            ModuleBay(device=device, name='Device Bay 1', enabled=True),
            ModuleBay(device=device, name='Device Bay 2', enabled=False),
            ModuleBay(device=device, name='Device Bay 3', enabled=True),
        )
        for module_bay in module_bays:
            module_bay.save()

        cls.create_data = [
            {
                'device': device.pk,
                'name': 'Device Bay 4',
                'enabled': False,
            },
            {
                'device': device.pk,
                'name': 'Device Bay 5',
            },
            {
                'device': device.pk,
                'name': 'Device Bay 6',
            },
        ]


class DeviceBayTestCase(APIViewTestCases.APIViewTestCase):
    model = DeviceBay
    brief_fields = ['_occupied', 'description', 'device', 'display', 'enabled', 'id', 'name', 'url']
    bulk_update_data = {
        'description': 'New description',
    }
    user_permissions = ('dcim.view_device', )

    @classmethod
    def setUpTestData(cls):
        manufacturer = Manufacturer.objects.create(name='Test Manufacturer 1', slug='test-manufacturer-1')
        site = Site.objects.create(name='Site 1', slug='site-1')
        role = DeviceRole.objects.create(name='Test Device Role 1', slug='test-device-role-1', color='ff0000')

        device_types = (
            DeviceType(
                manufacturer=manufacturer,
                model='Device Type 1',
                slug='device-type-1',
                subdevice_role=SubdeviceRoleChoices.ROLE_PARENT
            ),
            DeviceType(
                manufacturer=manufacturer,
                model='Device Type 2',
                slug='device-type-2',
                subdevice_role=SubdeviceRoleChoices.ROLE_CHILD
            ),
        )
        DeviceType.objects.bulk_create(device_types)

        devices = (
            Device(device_type=device_types[0], role=role, name='Device 1', site=site),
            Device(device_type=device_types[1], role=role, name='Device 2', site=site),
            Device(device_type=device_types[1], role=role, name='Device 3', site=site),
            Device(device_type=device_types[1], role=role, name='Device 4', site=site),
        )
        Device.objects.bulk_create(devices)

        device_bays = (
            DeviceBay(device=devices[0], name='Device Bay 1', enabled=True),
            DeviceBay(device=devices[0], name='Device Bay 2', enabled=False),
            DeviceBay(device=devices[0], name='Device Bay 3', enabled=True),
        )
        DeviceBay.objects.bulk_create(device_bays)

        cls.create_data = [
            {
                'device': devices[0].pk,
                'name': 'Device Bay 4',
                'installed_device': devices[1].pk,
            },
            {
                'device': devices[0].pk,
                'name': 'Device Bay 5',
                'installed_device': devices[2].pk,
            },
            {
                'device': devices[0].pk,
                'name': 'Device Bay 6',
                'installed_device': devices[3].pk,
            },
        ]


class InventoryItemTestCase(APIViewTestCases.APIViewTestCase):
    model = InventoryItem
    brief_fields = ['_depth', 'description', 'device', 'display', 'id', 'name', 'url']
    bulk_update_data = {
        'description': 'New description',
    }
    user_permissions = ('dcim.view_device', 'dcim.view_manufacturer')

    @classmethod
    def setUpTestData(cls):
        manufacturer = Manufacturer.objects.create(name='Test Manufacturer 1', slug='test-manufacturer-1')
        devicetype = DeviceType.objects.create(manufacturer=manufacturer, model='Device Type 1', slug='device-type-1')
        site = Site.objects.create(name='Site 1', slug='site-1')
        role = DeviceRole.objects.create(name='Test Device Role 1', slug='test-device-role-1', color='ff0000')
        device = Device.objects.create(device_type=devicetype, role=role, name='Device 1', site=site)

        roles = (
            InventoryItemRole(name='Inventory Item Role 1', slug='inventory-item-role-1'),
            InventoryItemRole(name='Inventory Item Role 2', slug='inventory-item-role-2'),
        )
        InventoryItemRole.objects.bulk_create(roles)

        interfaces = (
            Interface(device=device, name='Interface 1'),
            Interface(device=device, name='Interface 2'),
            Interface(device=device, name='Interface 3'),
        )
        Interface.objects.bulk_create(interfaces)

        InventoryItem.objects.create(
            device=device, name='Inventory Item 1', role=roles[0], manufacturer=manufacturer, component=interfaces[0]
        )
        InventoryItem.objects.create(
            device=device, name='Inventory Item 2', role=roles[0], manufacturer=manufacturer, component=interfaces[1]
        )
        InventoryItem.objects.create(
            device=device, name='Inventory Item 3', role=roles[0], manufacturer=manufacturer, component=interfaces[2]
        )

        cls.create_data = [
            {
                'device': device.pk,
                'name': 'Inventory Item 4',
                'role': roles[1].pk,
                'manufacturer': manufacturer.pk,
                'component_type': 'dcim.interface',
                'component_id': interfaces[0].pk,
            },
            {
                'device': device.pk,
                'name': 'Inventory Item 5',
                'role': roles[1].pk,
                'manufacturer': manufacturer.pk,
                'component_type': 'dcim.interface',
                'component_id': interfaces[1].pk,
            },
            {
                'device': device.pk,
                'name': 'Inventory Item 6',
                'role': roles[1].pk,
                'manufacturer': manufacturer.pk,
                'component_type': 'dcim.interface',
                'component_id': interfaces[2].pk,
            },
        ]


class InventoryItemRoleTestCase(APIViewTestCases.APIViewTestCase):
    model = InventoryItemRole
    brief_fields = ['description', 'display', 'id', 'inventoryitem_count', 'name', 'slug', 'url']
    create_data = [
        {
            'name': 'Inventory Item Role 4',
            'slug': 'inventory-item-role-4',
            'color': 'ffff00',
        },
        {
            'name': 'Inventory Item Role 5',
            'slug': 'inventory-item-role-5',
            'color': 'ffff00',
        },
        {
            'name': 'Inventory Item Role 6',
            'slug': 'inventory-item-role-6',
            'color': 'ffff00',
        },
    ]
    bulk_update_data = {
        'description': 'New description',
    }

    @classmethod
    def setUpTestData(cls):

        roles = (
            InventoryItemRole(name='Inventory Item Role 1', slug='inventory-item-role-1', color='ff0000'),
            InventoryItemRole(name='Inventory Item Role 2', slug='inventory-item-role-2', color='00ff00'),
            InventoryItemRole(name='Inventory Item Role 3', slug='inventory-item-role-3', color='0000ff'),
        )
        InventoryItemRole.objects.bulk_create(roles)


class CableBundleTestCase(APIViewTestCases.APIViewTestCase):
    model = CableBundle
    brief_fields = ['description', 'display', 'id', 'name', 'url']
    create_data = [
        {'name': 'Cable Bundle 4'},
        {'name': 'Cable Bundle 5'},
        {'name': 'Cable Bundle 6'},
    ]
    bulk_update_data = {
        'description': 'New description',
    }

    @classmethod
    def setUpTestData(cls):
        cable_bundles = (
            CableBundle(name='Cable Bundle 1'),
            CableBundle(name='Cable Bundle 2'),
            CableBundle(name='Cable Bundle 3'),
        )
        CableBundle.objects.bulk_create(cable_bundles)

    def test_cable_count(self):
        """cable_count annotation is returned correctly in the API response."""
        self.add_permissions('dcim.view_cablebundle')
        bundle = CableBundle.objects.first()

        site = Site.objects.create(name='CB Test Site', slug='cb-test-site')
        manufacturer = Manufacturer.objects.create(name='CB Manufacturer', slug='cb-manufacturer')
        device_type = DeviceType.objects.create(
            manufacturer=manufacturer, model='CB Device Type', slug='cb-device-type'
        )
        role = DeviceRole.objects.create(name='CB Role', slug='cb-role', color='ff0000')
        devices = (
            Device(device_type=device_type, role=role, name='CB Device 1', site=site),
            Device(device_type=device_type, role=role, name='CB Device 2', site=site),
        )
        Device.objects.bulk_create(devices)
        interfaces = (
            Interface(device=devices[0], name='eth0', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
            Interface(device=devices[0], name='eth1', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
            Interface(device=devices[1], name='eth0', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
            Interface(device=devices[1], name='eth1', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
        )
        Interface.objects.bulk_create(interfaces)
        for a, b in [(interfaces[0], interfaces[2]), (interfaces[1], interfaces[3])]:
            cable = Cable(a_terminations=[a], b_terminations=[b], bundle=bundle)
            cable.save()

        url = reverse('dcim-api:cablebundle-detail', kwargs={'pk': bundle.pk})
        response = self.client.get(url, **self.header)
        self.assertHttpStatus(response, status.HTTP_200_OK)
        self.assertEqual(response.data['cable_count'], 2)


class CableTestCase(APIViewTestCases.APIViewTestCase):
    model = Cable
    brief_fields = ['description', 'display', 'id', 'label', 'url']
    bulk_update_data = {
        'length': 100,
        'length_unit': 'm',
    }

    # TODO: Allow updating cable terminations
    test_update_object = None

    def model_to_dict(self, *args, **kwargs):
        data = super().model_to_dict(*args, **kwargs)

        # Serialize termination objects
        if 'a_terminations' in data:
            data['a_terminations'] = GenericObjectSerializer(data['a_terminations'], many=True).data
        if 'b_terminations' in data:
            data['b_terminations'] = GenericObjectSerializer(data['b_terminations'], many=True).data

        return data

    @classmethod
    def setUpTestData(cls):
        site = Site.objects.create(name='Site 1', slug='site-1')
        manufacturer = Manufacturer.objects.create(name='Manufacturer 1', slug='manufacturer-1')
        devicetype = DeviceType.objects.create(manufacturer=manufacturer, model='Device Type 1', slug='device-type-1')
        role = DeviceRole.objects.create(name='Device Role 1', slug='device-role-1', color='ff0000')

        devices = (
            Device(device_type=devicetype, role=role, name='Device 1', site=site),
            Device(device_type=devicetype, role=role, name='Device 2', site=site),
        )
        Device.objects.bulk_create(devices)

        interfaces = []
        for device in devices:
            for i in range(0, 10):
                interfaces.append(Interface(device=device, type=InterfaceTypeChoices.TYPE_1GE_FIXED, name=f'eth{i}'))
        Interface.objects.bulk_create(interfaces)

        cables = (
            Cable(a_terminations=[interfaces[0]], b_terminations=[interfaces[10]], label='Cable 1'),
            Cable(a_terminations=[interfaces[1]], b_terminations=[interfaces[11]], label='Cable 2'),
            Cable(a_terminations=[interfaces[2]], b_terminations=[interfaces[12]], label='Cable 3'),
        )
        for cable in cables:
            cable.save()

        cls.create_data = [
            {
                'a_terminations': [{
                    'object_type': 'dcim.interface',
                    'object_id': interfaces[4].pk,
                }],
                'b_terminations': [{
                    'object_type': 'dcim.interface',
                    'object_id': interfaces[14].pk,
                }],
                'label': 'Cable 4',
                'profile': CableProfileChoices.SINGLE_1C1P,
            },
            {
                'a_terminations': [{
                    'object_type': 'dcim.interface',
                    'object_id': interfaces[5].pk,
                }],
                'b_terminations': [{
                    'object_type': 'dcim.interface',
                    'object_id': interfaces[15].pk,
                }],
                'label': 'Cable 5',
                'profile': CableProfileChoices.SINGLE_1C1P,
            },
            {
                'a_terminations': [{
                    'object_type': 'dcim.interface',
                    'object_id': interfaces[6].pk,
                }],
                'b_terminations': [{
                    'object_type': 'dcim.interface',
                    'object_id': interfaces[16].pk,
                }],
                'label': 'Cable 6',
                # No profile (legacy behavior)
            },
        ]

    def test_graphql_cable_termination_cached_filters(self):
        """
        Validate filtering cables by cached CableTermination relations via GraphQL:

          cable_list(filters: { terminations: { <relation>: {...}, DISTINCT: true } })

        Also asserts deduplication when both ends match (cable between two interfaces
        on the same device/rack/location/site).
        """
        self.add_permissions(
            'dcim.view_cable',
            'dcim.view_device',
            'dcim.view_interface',
            'dcim.view_rack',
            'dcim.view_location',
            'dcim.view_site',
        )

        # Reuse existing fixtures from setUpTestData()
        devicetype = DeviceType.objects.get(slug='device-type-1')
        role = DeviceRole.objects.get(slug='device-role-1')

        # Create an isolated topology for this test
        site_a = Site.objects.create(name='GQL Site A', slug='gql-site-a')
        site_b = Site.objects.create(name='GQL Site B', slug='gql-site-b')

        location_a = Location.objects.create(
            site=site_a,
            name='GQL Location A',
            slug='gql-location-a',
            status=LocationStatusChoices.STATUS_ACTIVE,
        )
        location_b = Location.objects.create(
            site=site_b,
            name='GQL Location B',
            slug='gql-location-b',
            status=LocationStatusChoices.STATUS_ACTIVE,
        )

        rack_a = Rack.objects.create(site=site_a, location=location_a, name='GQL Rack A', u_height=42)
        rack_b = Rack.objects.create(site=site_b, location=location_b, name='GQL Rack B', u_height=42)

        device_a = Device.objects.create(
            device_type=devicetype,
            role=role,
            name='GQL Device A',
            site=site_a,
            location=location_a,
            rack=rack_a,
        )
        device_b = Device.objects.create(
            device_type=devicetype,
            role=role,
            name='GQL Device B',
            site=site_b,
            location=location_b,
            rack=rack_b,
        )

        a0 = Interface.objects.create(device=device_a, type=InterfaceTypeChoices.TYPE_1GE_FIXED, name='eth0')
        a1 = Interface.objects.create(device=device_a, type=InterfaceTypeChoices.TYPE_1GE_FIXED, name='eth1')
        a2 = Interface.objects.create(device=device_a, type=InterfaceTypeChoices.TYPE_1GE_FIXED, name='eth2')
        b0 = Interface.objects.create(device=device_b, type=InterfaceTypeChoices.TYPE_1GE_FIXED, name='eth0')

        # Both ends on Device A (duplication risk without DISTINCT)
        cable_same_device = Cable(a_terminations=[a0], b_terminations=[a1], label='GQL Cable Same Device')
        cable_same_device.save()

        # Cross to Device B
        cable_cross = Cable(a_terminations=[a2], b_terminations=[b0], label='GQL Cable Cross')
        cable_cross.save()

        expected_a = {str(cable_same_device.pk), str(cable_cross.pk)}
        expected_b = {str(cable_cross.pk)}

        url = reverse('graphql')

        test_cases = (
            # Device (ID + name)
            (f'device: {{ id: {{ exact: "{device_a.pk}" }} }}', expected_a),
            (f'device: {{ name: {{ exact: "{device_a.name}" }} }}', expected_a),
            (f'device: {{ id: {{ exact: "{device_b.pk}" }} }}', expected_b),
            (f'device: {{ name: {{ exact: "{device_b.name}" }} }}', expected_b),
            # Rack (ID + name)
            (f'rack: {{ id: {{ exact: "{rack_a.pk}" }} }}', expected_a),
            (f'rack: {{ name: {{ exact: "{rack_a.name}" }} }}', expected_a),
            (f'rack: {{ id: {{ exact: "{rack_b.pk}" }} }}', expected_b),
            (f'rack: {{ name: {{ exact: "{rack_b.name}" }} }}', expected_b),
            # Location (ID + name)
            (f'location: {{ id: {{ exact: "{location_a.pk}" }} }}', expected_a),
            (f'location: {{ name: {{ exact: "{location_a.name}" }} }}', expected_a),
            (f'location: {{ id: {{ exact: "{location_b.pk}" }} }}', expected_b),
            (f'location: {{ name: {{ exact: "{location_b.name}" }} }}', expected_b),
            # Site (ID + slug)
            (f'site: {{ id: {{ exact: "{site_a.pk}" }} }}', expected_a),
            (f'site: {{ slug: {{ exact: "{site_a.slug}" }} }}', expected_a),
            (f'site: {{ id: {{ exact: "{site_b.pk}" }} }}', expected_b),
            (f'site: {{ slug: {{ exact: "{site_b.slug}" }} }}', expected_b),
        )

        for inner_filter, expected in test_cases:
            with self.subTest(filter=inner_filter):
                query = f"""{{
                  cable_list(filters: {{ terminations: {{ {inner_filter} DISTINCT: true }} }})
                  {{ id }}
                }}"""

                response = self.client.post(url, data={'query': query}, format='json', **self.header)
                self.assertHttpStatus(response, status.HTTP_200_OK)
                data = response.json()
                self.assertNotIn('errors', data)

                rows = data['data']['cable_list']
                ids = [row['id'] for row in rows]

                # Ensure DISTINCT is actually effective (no duplicate cables when both ends match)
                self.assertEqual(len(ids), len(set(ids)), f'Duplicate cables returned for: {inner_filter}')

                self.assertSetEqual(set(ids), expected)


class CableTerminationTestCase(
    APIViewTestCases.GetObjectViewTestCase,
    APIViewTestCases.ListObjectsViewTestCase,
):
    model = CableTermination
    brief_fields = [
        'cable', 'cable_end', 'connector', 'display', 'id', 'positions', 'termination_id', 'termination_type', 'url',
    ]

    @classmethod
    def setUpTestData(cls):
        device1 = create_test_device('Device 1')
        device2 = create_test_device('Device 2')

        interfaces = []
        for device in (device1, device2):
            for i in range(0, 10):
                interfaces.append(Interface(device=device, type=InterfaceTypeChoices.TYPE_1GE_FIXED, name=f'eth{i}'))
        Interface.objects.bulk_create(interfaces)

        cables = (
            Cable(a_terminations=[interfaces[0]], b_terminations=[interfaces[10]], label='Cable 1'),
            Cable(a_terminations=[interfaces[1]], b_terminations=[interfaces[11]], label='Cable 2'),
            Cable(a_terminations=[interfaces[2]], b_terminations=[interfaces[12]], label='Cable 3'),
        )
        for cable in cables:
            cable.save()


class ConnectedDeviceTestCase(APITestCase):

    @classmethod
    def setUpTestData(cls):
        site = Site.objects.create(name='Site 1', slug='site-1')
        manufacturer = Manufacturer.objects.create(name='Manufacturer 1', slug='manufacturer-1')
        devicetype = DeviceType.objects.create(manufacturer=manufacturer, model='Device Type 1', slug='device-type-1')
        role = DeviceRole.objects.create(name='Device Role 1', slug='device-role-1', color='ff0000')
        devices = (
            Device(device_type=devicetype, role=role, name='TestDevice1', site=site),
            Device(device_type=devicetype, role=role, name='TestDevice2', site=site),
        )
        Device.objects.bulk_create(devices)
        interfaces = (
            Interface(device=devices[0], name='eth0'),
            Interface(device=devices[1], name='eth0'),
            Interface(device=devices[0], name='eth1'),  # Not connected
        )
        Interface.objects.bulk_create(interfaces)

        cable = Cable(a_terminations=[interfaces[0]], b_terminations=[interfaces[1]])
        cable.save()

    def test_get_connected_device(self):
        self.add_permissions('dcim.view_device', 'dcim.view_interface')
        url = reverse('dcim-api:connected-device-list')

        url_params = '?peer_device=TestDevice1&peer_interface=eth0'
        response = self.client.get(url + url_params, **self.header)
        self.assertHttpStatus(response, status.HTTP_200_OK)
        self.assertEqual(response.data['name'], 'TestDevice2')

        url_params = '?peer_device=TestDevice1&peer_interface=eth1'
        response = self.client.get(url + url_params, **self.header)
        self.assertHttpStatus(response, status.HTTP_404_NOT_FOUND)


class VirtualChassisTestCase(APIViewTestCases.APIViewTestCase):
    model = VirtualChassis
    brief_fields = ['description', 'display', 'id', 'master', 'member_count', 'name', 'url']

    @classmethod
    def setUpTestData(cls):
        site = Site.objects.create(name='Test Site', slug='test-site')
        manufacturer = Manufacturer.objects.create(name='Manufacturer 1', slug='manufacturer-1')
        devicetype = DeviceType.objects.create(manufacturer=manufacturer, model='Device Type', slug='device-type')
        role = DeviceRole.objects.create(name='Device Role', slug='device-role', color='ff0000')

        devices = (
            Device(name='Device 1', device_type=devicetype, role=role, site=site),
            Device(name='Device 2', device_type=devicetype, role=role, site=site),
            Device(name='Device 3', device_type=devicetype, role=role, site=site),
            Device(name='Device 4', device_type=devicetype, role=role, site=site),
            Device(name='Device 5', device_type=devicetype, role=role, site=site),
            Device(name='Device 6', device_type=devicetype, role=role, site=site),
            Device(name='Device 7', device_type=devicetype, role=role, site=site),
            Device(name='Device 8', device_type=devicetype, role=role, site=site),
            Device(name='Device 9', device_type=devicetype, role=role, site=site),
            Device(name='Device 10', device_type=devicetype, role=role, site=site),
            Device(name='Device 11', device_type=devicetype, role=role, site=site),
            Device(name='Device 12', device_type=devicetype, role=role, site=site),
        )
        Device.objects.bulk_create(devices)

        # Create 12 interfaces per device
        interfaces = []
        for i, device in enumerate(devices):
            for j in range(0, 13):
                interfaces.append(
                    # Interface name starts with parent device's position in VC; e.g. 1/1, 1/2, 1/3...
                    Interface(device=device, name=f'{i % 3 + 1}/{j}', type=InterfaceTypeChoices.TYPE_1GE_FIXED)
                )
        Interface.objects.bulk_create(interfaces)

        # Create three VirtualChassis with three members each
        virtual_chassis = (
            VirtualChassis(name='Virtual Chassis 1', master=devices[0], domain='domain-1'),
            VirtualChassis(name='Virtual Chassis 2', master=devices[3], domain='domain-2'),
            VirtualChassis(name='Virtual Chassis 3', master=devices[6], domain='domain-3'),
        )
        VirtualChassis.objects.bulk_create(virtual_chassis)
        Device.objects.filter(pk=devices[0].pk).update(virtual_chassis=virtual_chassis[0], vc_position=1)
        Device.objects.filter(pk=devices[1].pk).update(virtual_chassis=virtual_chassis[0], vc_position=2)
        Device.objects.filter(pk=devices[2].pk).update(virtual_chassis=virtual_chassis[0], vc_position=3)
        Device.objects.filter(pk=devices[3].pk).update(virtual_chassis=virtual_chassis[1], vc_position=1)
        Device.objects.filter(pk=devices[4].pk).update(virtual_chassis=virtual_chassis[1], vc_position=2)
        Device.objects.filter(pk=devices[5].pk).update(virtual_chassis=virtual_chassis[1], vc_position=3)
        Device.objects.filter(pk=devices[6].pk).update(virtual_chassis=virtual_chassis[2], vc_position=1)
        Device.objects.filter(pk=devices[7].pk).update(virtual_chassis=virtual_chassis[2], vc_position=2)
        Device.objects.filter(pk=devices[8].pk).update(virtual_chassis=virtual_chassis[2], vc_position=3)

        cls.update_data = {
            'name': 'Virtual Chassis X',
            'domain': 'domain-x',
            'master': devices[1].pk,
        }

        cls.create_data = [
            {
                'name': 'Virtual Chassis 4',
                'domain': 'domain-4',
            },
            {
                'name': 'Virtual Chassis 5',
                'domain': 'domain-5',
            },
            {
                'name': 'Virtual Chassis 6',
                'domain': 'domain-6',
            },
        ]

        cls.bulk_update_data = {
            'domain': 'newdomain',
            'master': None
        }


class PowerPanelTestCase(APIViewTestCases.APIViewTestCase):
    model = PowerPanel
    brief_fields = ['description', 'display', 'id', 'name', 'powerfeed_count', 'url']
    user_permissions = ('dcim.view_site', )

    @classmethod
    def setUpTestData(cls):
        sites = (
            Site.objects.create(name='Site 1', slug='site-1'),
            Site.objects.create(name='Site 2', slug='site-2'),
        )

        locations = (
            Location.objects.create(name='Location 1', slug='location-1', site=sites[0]),
            Location.objects.create(name='Location 2', slug='location-2', site=sites[0]),
            Location.objects.create(name='Location 3', slug='location-3', site=sites[0]),
            Location.objects.create(name='Location 4', slug='location-3', site=sites[1]),
        )

        power_panels = (
            PowerPanel(site=sites[0], location=locations[0], name='Power Panel 1'),
            PowerPanel(site=sites[0], location=locations[1], name='Power Panel 2'),
            PowerPanel(site=sites[0], location=locations[2], name='Power Panel 3'),
        )
        PowerPanel.objects.bulk_create(power_panels)

        cls.create_data = [
            {
                'name': 'Power Panel 4',
                'site': sites[0].pk,
                'location': locations[0].pk,
            },
            {
                'name': 'Power Panel 5',
                'site': sites[0].pk,
                'location': locations[1].pk,
            },
            {
                'name': 'Power Panel 6',
                'site': sites[0].pk,
                'location': locations[2].pk,
            },
        ]

        cls.bulk_update_data = {
            'site': sites[1].pk,
            'location': locations[3].pk
        }


class PowerFeedTestCase(APIViewTestCases.APIViewTestCase):
    model = PowerFeed
    brief_fields = ['_occupied', 'cable', 'description', 'display', 'id', 'name', 'url']
    bulk_update_data = {
        'status': 'planned',
    }
    user_permissions = ('dcim.view_powerpanel', )

    @classmethod
    def setUpTestData(cls):
        site = Site.objects.create(name='Site 1', slug='site-1')
        location = Location.objects.create(site=site, name='Location 1', slug='location-1')
        rackrole = RackRole.objects.create(name='Rack Role 1', slug='rack-role-1', color='ff0000')

        racks = (
            Rack(site=site, location=location, role=rackrole, name='Rack 1'),
            Rack(site=site, location=location, role=rackrole, name='Rack 2'),
            Rack(site=site, location=location, role=rackrole, name='Rack 3'),
            Rack(site=site, location=location, role=rackrole, name='Rack 4'),
        )
        Rack.objects.bulk_create(racks)

        power_panels = (
            PowerPanel(site=site, location=location, name='Power Panel 1'),
            PowerPanel(site=site, location=location, name='Power Panel 2'),
        )
        PowerPanel.objects.bulk_create(power_panels)

        PRIMARY = PowerFeedTypeChoices.TYPE_PRIMARY
        REDUNDANT = PowerFeedTypeChoices.TYPE_REDUNDANT
        power_feeds = (
            PowerFeed(power_panel=power_panels[0], rack=racks[0], name='Power Feed 1A', type=PRIMARY),
            PowerFeed(power_panel=power_panels[1], rack=racks[0], name='Power Feed 1B', type=REDUNDANT),
            PowerFeed(power_panel=power_panels[0], rack=racks[1], name='Power Feed 2A', type=PRIMARY),
            PowerFeed(power_panel=power_panels[1], rack=racks[1], name='Power Feed 2B', type=REDUNDANT),
            PowerFeed(power_panel=power_panels[0], rack=racks[2], name='Power Feed 3A', type=PRIMARY),
            PowerFeed(power_panel=power_panels[1], rack=racks[2], name='Power Feed 3B', type=REDUNDANT),
        )
        PowerFeed.objects.bulk_create(power_feeds)

        cls.create_data = [
            {
                'name': 'Power Feed 4A',
                'power_panel': power_panels[0].pk,
                'rack': racks[3].pk,
                'type': PRIMARY,
            },
            {
                'name': 'Power Feed 4B',
                'power_panel': power_panels[1].pk,
                'rack': racks[3].pk,
                'type': REDUNDANT,
            },
        ]


class VirtualDeviceContextTestCase(APIViewTestCases.APIViewTestCase):
    model = VirtualDeviceContext
    brief_fields = ['description', 'device', 'display', 'id', 'identifier', 'name', 'url']
    bulk_update_data = {
        'status': 'planned',
    }

    @classmethod
    def setUpTestData(cls):
        site = Site.objects.create(name='Test Site', slug='test-site')
        manufacturer = Manufacturer.objects.create(name='Manufacturer 1', slug='manufacturer-1')
        devicetype = DeviceType.objects.create(manufacturer=manufacturer, model='Device Type', slug='device-type')
        role = DeviceRole.objects.create(name='Device Role', slug='device-role', color='ff0000')

        devices = (
            Device(name='Device 1', device_type=devicetype, role=role, site=site),
            Device(name='Device 2', device_type=devicetype, role=role, site=site),
            Device(name='Device 3', device_type=devicetype, role=role, site=site),
        )
        Device.objects.bulk_create(devices)

        vdcs = (
            VirtualDeviceContext(device=devices[1], name='VDC 1', identifier=1, status='active'),
            VirtualDeviceContext(device=devices[1], name='VDC 2', identifier=2, status='active'),
            VirtualDeviceContext(device=devices[2], name='VDC 1', identifier=1, status='active'),
            VirtualDeviceContext(device=devices[2], name='VDC 2', identifier=2, status='active'),
            VirtualDeviceContext(device=devices[2], name='VDC 3', identifier=3, status='active'),
            VirtualDeviceContext(device=devices[2], name='VDC 4', identifier=4, status='active'),
            VirtualDeviceContext(device=devices[2], name='VDC 5', identifier=5, status='active'),
        )
        VirtualDeviceContext.objects.bulk_create(vdcs)

        cls.create_data = [
            {
                'device': devices[0].pk,
                'status': 'active',
                'name': 'VDC 1',
                'identifier': 1,
            },
            {
                'device': devices[0].pk,
                'status': 'active',
                'name': 'VDC 2',
                'identifier': 2,
            },
            {
                'device': devices[1].pk,
                'status': 'active',
                'name': 'VDC 3',
                # Omit identifier to test uniqueness constraint
            },
        ]

    def test_get_object_includes_nat_on_primary_ip(self):
        device = create_test_device('vdc-nat-device')
        interfaces = (
            Interface.objects.create(device=device, name='eth0', type='other'),
            Interface.objects.create(device=device, name='eth1', type='other'),
        )

        real_ip4, nat_ip4 = create_test_nat_ip_pair(
            real_address='10.0.2.10/32',
            nat_address='198.51.100.30/32',
            inside_interface=interfaces[0],
        )
        real_ip6, nat_ip6 = create_test_nat_ip_pair(
            real_address='2001:db8:2::10/128',
            nat_address='2001:db8:2::20/128',
            inside_interface=interfaces[1],
        )

        vdc = VirtualDeviceContext.objects.create(
            name='VDC NAT', identifier=98, device=device, status='active'
        )
        vdc.primary_ip4 = nat_ip4
        vdc.primary_ip6 = real_ip6
        vdc.save()

        self.add_permissions('dcim.view_virtualdevicecontext', 'ipam.view_ipaddress')
        response = self.client.get(self._get_detail_url(vdc), **self.header)
        self.assertHttpStatus(response, status.HTTP_200_OK)

        self.assertEqual(response.data['primary_ip4']['nat_inside']['address'], str(real_ip4.address))
        self.assertEqual(response.data['primary_ip4']['nat_outside'], [])
        self.assertIsNone(response.data['primary_ip6']['nat_inside'])
        self.assertCountEqual(
            [ip['address'] for ip in response.data['primary_ip6']['nat_outside']],
            [str(nat_ip6.address)],
        )

    def test_get_object_includes_dns_name_on_primary_ip(self):
        device = create_test_device('vdc-dns-device')
        interfaces = (
            Interface.objects.create(device=device, name='eth0', type='other'),
            Interface.objects.create(device=device, name='eth1', type='other'),
        )

        ip4 = IPAddress(address='192.0.2.30/32', dns_name='vdc4.example.com')
        ip4.assigned_object = interfaces[0]
        ip4.save()
        ip6 = IPAddress(address='2001:db8::30/128', dns_name='vdc6.example.com')
        ip6.assigned_object = interfaces[1]
        ip6.save()

        vdc = VirtualDeviceContext.objects.create(
            name='VDC DNS', identifier=99, device=device, status='active'
        )
        vdc.primary_ip4 = ip4
        vdc.primary_ip6 = ip6
        vdc.save()

        self.add_permissions('dcim.view_virtualdevicecontext', 'ipam.view_ipaddress')
        response = self.client.get(self._get_detail_url(vdc), **self.header)
        self.assertHttpStatus(response, status.HTTP_200_OK)

        self.assertEqual(response.data['primary_ip4']['dns_name'], 'vdc4.example.com')
        self.assertEqual(response.data['primary_ip6']['dns_name'], 'vdc6.example.com')
        self.assertIn(
            response.data['primary_ip']['dns_name'],
            ('vdc4.example.com', 'vdc6.example.com'),
        )


class MACAddressTestCase(APIViewTestCases.APIViewTestCase):
    model = MACAddress
    brief_fields = ['description', 'display', 'id', 'mac_address', 'url']
    bulk_update_data = {
        'description': 'New description',
    }

    @classmethod
    def setUpTestData(cls):
        device = create_test_device(name='Device 1')
        interfaces = (
            Interface(device=device, name='Interface 1', type='1000base-t'),
            Interface(device=device, name='Interface 2', type='1000base-t'),
            Interface(device=device, name='Interface 3', type='1000base-t'),
            Interface(device=device, name='Interface 4', type='1000base-t'),
            Interface(device=device, name='Interface 5', type='1000base-t'),
        )
        Interface.objects.bulk_create(interfaces)

        mac_addresses = (
            MACAddress(mac_address='00:00:00:00:00:01', assigned_object=interfaces[0]),
            MACAddress(mac_address='00:00:00:00:00:02', assigned_object=interfaces[1]),
            MACAddress(mac_address='00:00:00:00:00:03', assigned_object=interfaces[2]),
        )
        MACAddress.objects.bulk_create(mac_addresses)

        cls.create_data = [
            {
                'mac_address': '00:00:00:00:00:04',
                'assigned_object_type': 'dcim.interface',
                'assigned_object_id': interfaces[3].pk,
            },
            {
                'mac_address': '00:00:00:00:00:05',
                'assigned_object_type': 'dcim.interface',
                'assigned_object_id': interfaces[4].pk,
            },
            {
                'mac_address': '00:00:00:00:00:06',
            },
        ]