import django_filters
from django.conf import settings
from django.db import models
from django.test import TestCase
from mptt.fields import TreeForeignKey
from taggit.managers import TaggableManager

from dcim.choices import *
from dcim.fields import MACAddressField
from dcim.filtersets import DeviceFilterSet, SiteFilterSet
from dcim.models import (
    Device, DeviceRole, DeviceType, Interface, Manufacturer, Platform, Rack, Region, Site
)
from extras.filters import TagFilter
from extras.models import TaggedItem
from ipam.filtersets import ASNFilterSet
from ipam.models import RIR, ASN
from netbox.filtersets import BaseFilterSet
from utilities.filters import (
    MultiValueCharFilter, MultiValueDateFilter, MultiValueDateTimeFilter, MultiValueMACAddressFilter,
    MultiValueNumberFilter, MultiValueTimeFilter, TreeNodeMultipleChoiceFilter,
)


class TreeNodeMultipleChoiceFilterTest(TestCase):

    class SiteFilterSet(django_filters.FilterSet):
        region = TreeNodeMultipleChoiceFilter(
            queryset=Region.objects.all(),
            field_name='region',
            lookup_expr='in',
            to_field_name='slug',
        )

    def setUp(self):

        super().setUp()

        self.region1 = Region.objects.create(name='Test Region 1', slug='test-region-1')
        self.region2 = Region.objects.create(name='Test Region 2', slug='test-region-2')
        self.site1 = Site.objects.create(region=self.region1, name='Test Site 1', slug='test-site1')
        self.site2 = Site.objects.create(region=self.region2, name='Test Site 2', slug='test-site2')
        self.site3 = Site.objects.create(region=None, name='Test Site 3', slug='test-site3')

        self.queryset = Site.objects.all()

    def test_filter_single(self):

        kwargs = {'region': ['test-region-1']}
        qs = self.SiteFilterSet(kwargs, self.queryset).qs

        self.assertEqual(qs.count(), 1)
        self.assertEqual(qs[0], self.site1)

    def test_filter_multiple(self):

        kwargs = {'region': ['test-region-1', 'test-region-2']}
        qs = self.SiteFilterSet(kwargs, self.queryset).qs

        self.assertEqual(qs.count(), 2)
        self.assertEqual(qs[0], self.site1)
        self.assertEqual(qs[1], self.site2)

    def test_filter_null(self):

        kwargs = {'region': [settings.FILTERS_NULL_CHOICE_VALUE]}
        qs = self.SiteFilterSet(kwargs, self.queryset).qs

        self.assertEqual(qs.count(), 1)
        self.assertEqual(qs[0], self.site3)

    def test_filter_combined(self):

        kwargs = {'region': ['test-region-1', settings.FILTERS_NULL_CHOICE_VALUE]}
        qs = self.SiteFilterSet(kwargs, self.queryset).qs

        self.assertEqual(qs.count(), 2)
        self.assertEqual(qs[0], self.site1)
        self.assertEqual(qs[1], self.site3)


class DummyModel(models.Model):
    """
    Dummy model used by BaseFilterSetTest for filter validation. Should never appear in a schema migration.
    """
    charfield = models.CharField(
        max_length=10
    )
    numberfield = models.IntegerField(
        blank=True,
        null=True
    )
    choicefield = models.IntegerField(
        choices=(('A', 1), ('B', 2), ('C', 3))
    )
    datefield = models.DateField()
    datetimefield = models.DateTimeField()
    integerfield = models.IntegerField()
    macaddressfield = MACAddressField()
    timefield = models.TimeField()
    treeforeignkeyfield = TreeForeignKey(
        to='self',
        on_delete=models.CASCADE
    )

    tags = TaggableManager(through=TaggedItem)


class BaseFilterSetTest(TestCase):
    """
    Ensure that a BaseFilterSet automatically creates the expected set of filters for each filter type.
    """
    class DummyFilterSet(BaseFilterSet):
        charfield = django_filters.CharFilter()
        numberfield = django_filters.NumberFilter()
        macaddressfield = MultiValueMACAddressFilter()
        modelchoicefield = django_filters.ModelChoiceFilter(
            field_name='integerfield',  # We're pretending this is a ForeignKey field
            queryset=Site.objects.all()
        )
        modelmultiplechoicefield = django_filters.ModelMultipleChoiceFilter(
            field_name='integerfield',  # We're pretending this is a ForeignKey field
            queryset=Site.objects.all()
        )
        multiplechoicefield = django_filters.MultipleChoiceFilter(
            field_name='choicefield'
        )
        multivaluecharfield = MultiValueCharFilter(
            field_name='charfield'
        )
        tagfield = TagFilter()
        treeforeignkeyfield = TreeNodeMultipleChoiceFilter(
            queryset=DummyModel.objects.all()
        )

        class Meta:
            model = DummyModel
            fields = (
                'charfield',
                'numberfield',
                'choicefield',
                'datefield',
                'datetimefield',
                'integerfield',
                'macaddressfield',
                'modelchoicefield',
                'modelmultiplechoicefield',
                'multiplechoicefield',
                'tagfield',
                'timefield',
                'treeforeignkeyfield',
            )

    @classmethod
    def setUpTestData(cls):
        cls.filters = cls.DummyFilterSet().filters

    def test_char_filter(self):
        self.assertIsInstance(self.filters['charfield'], django_filters.CharFilter)
        self.assertEqual(self.filters['charfield'].lookup_expr, 'exact')
        self.assertEqual(self.filters['charfield'].exclude, False)
        self.assertEqual(self.filters['charfield__n'].lookup_expr, 'exact')
        self.assertEqual(self.filters['charfield__n'].exclude, True)
        self.assertEqual(self.filters['charfield__ie'].lookup_expr, 'iexact')
        self.assertEqual(self.filters['charfield__ie'].exclude, False)
        self.assertEqual(self.filters['charfield__nie'].lookup_expr, 'iexact')
        self.assertEqual(self.filters['charfield__nie'].exclude, True)
        self.assertEqual(self.filters['charfield__ic'].lookup_expr, 'icontains')
        self.assertEqual(self.filters['charfield__ic'].exclude, False)
        self.assertEqual(self.filters['charfield__nic'].lookup_expr, 'icontains')
        self.assertEqual(self.filters['charfield__nic'].exclude, True)
        self.assertEqual(self.filters['charfield__isw'].lookup_expr, 'istartswith')
        self.assertEqual(self.filters['charfield__isw'].exclude, False)
        self.assertEqual(self.filters['charfield__nisw'].lookup_expr, 'istartswith')
        self.assertEqual(self.filters['charfield__nisw'].exclude, True)
        self.assertEqual(self.filters['charfield__iew'].lookup_expr, 'iendswith')
        self.assertEqual(self.filters['charfield__iew'].exclude, False)
        self.assertEqual(self.filters['charfield__niew'].lookup_expr, 'iendswith')
        self.assertEqual(self.filters['charfield__niew'].exclude, True)
        self.assertEqual(self.filters['charfield__empty'].lookup_expr, 'empty')
        self.assertEqual(self.filters['charfield__empty'].exclude, False)

    def test_number_filter(self):
        self.assertIsInstance(self.filters['numberfield'], django_filters.NumberFilter)
        self.assertEqual(self.filters['numberfield'].lookup_expr, 'exact')
        self.assertEqual(self.filters['numberfield'].exclude, False)
        self.assertEqual(self.filters['numberfield__n'].lookup_expr, 'exact')
        self.assertEqual(self.filters['numberfield__n'].exclude, True)
        self.assertEqual(self.filters['numberfield__lt'].lookup_expr, 'lt')
        self.assertEqual(self.filters['numberfield__lt'].exclude, False)
        self.assertEqual(self.filters['numberfield__lte'].lookup_expr, 'lte')
        self.assertEqual(self.filters['numberfield__lte'].exclude, False)
        self.assertEqual(self.filters['numberfield__gt'].lookup_expr, 'gt')
        self.assertEqual(self.filters['numberfield__gt'].exclude, False)
        self.assertEqual(self.filters['numberfield__gte'].lookup_expr, 'gte')
        self.assertEqual(self.filters['numberfield__gte'].exclude, False)
        self.assertEqual(self.filters['numberfield__empty'].lookup_expr, 'isnull')
        self.assertEqual(self.filters['numberfield__empty'].exclude, False)

    def test_mac_address_filter(self):
        self.assertIsInstance(self.filters['macaddressfield'], MultiValueMACAddressFilter)
        self.assertEqual(self.filters['macaddressfield'].lookup_expr, 'exact')
        self.assertEqual(self.filters['macaddressfield'].exclude, False)
        self.assertEqual(self.filters['macaddressfield__n'].lookup_expr, 'exact')
        self.assertEqual(self.filters['macaddressfield__n'].exclude, True)
        self.assertEqual(self.filters['macaddressfield__ie'].lookup_expr, 'iexact')
        self.assertEqual(self.filters['macaddressfield__ie'].exclude, False)
        self.assertEqual(self.filters['macaddressfield__nie'].lookup_expr, 'iexact')
        self.assertEqual(self.filters['macaddressfield__nie'].exclude, True)
        self.assertEqual(self.filters['macaddressfield__ic'].lookup_expr, 'icontains')
        self.assertEqual(self.filters['macaddressfield__ic'].exclude, False)
        self.assertEqual(self.filters['macaddressfield__nic'].lookup_expr, 'icontains')
        self.assertEqual(self.filters['macaddressfield__nic'].exclude, True)
        self.assertEqual(self.filters['macaddressfield__isw'].lookup_expr, 'istartswith')
        self.assertEqual(self.filters['macaddressfield__isw'].exclude, False)
        self.assertEqual(self.filters['macaddressfield__nisw'].lookup_expr, 'istartswith')
        self.assertEqual(self.filters['macaddressfield__nisw'].exclude, True)
        self.assertEqual(self.filters['macaddressfield__iew'].lookup_expr, 'iendswith')
        self.assertEqual(self.filters['macaddressfield__iew'].exclude, False)
        self.assertEqual(self.filters['macaddressfield__niew'].lookup_expr, 'iendswith')
        self.assertEqual(self.filters['macaddressfield__niew'].exclude, True)

    def test_model_choice_filter(self):
        self.assertIsInstance(self.filters['modelchoicefield'], django_filters.ModelChoiceFilter)
        self.assertEqual(self.filters['modelchoicefield'].lookup_expr, 'exact')
        self.assertEqual(self.filters['modelchoicefield'].exclude, False)
        self.assertEqual(self.filters['modelchoicefield__n'].lookup_expr, 'exact')
        self.assertEqual(self.filters['modelchoicefield__n'].exclude, True)

    def test_model_multiple_choice_filter(self):
        self.assertIsInstance(self.filters['modelmultiplechoicefield'], django_filters.ModelMultipleChoiceFilter)
        self.assertEqual(self.filters['modelmultiplechoicefield'].lookup_expr, 'exact')
        self.assertEqual(self.filters['modelmultiplechoicefield'].exclude, False)
        self.assertEqual(self.filters['modelmultiplechoicefield__n'].lookup_expr, 'exact')
        self.assertEqual(self.filters['modelmultiplechoicefield__n'].exclude, True)

    def test_multi_value_char_filter(self):
        self.assertIsInstance(self.filters['multivaluecharfield'], MultiValueCharFilter)
        self.assertEqual(self.filters['multivaluecharfield'].lookup_expr, 'exact')
        self.assertEqual(self.filters['multivaluecharfield'].exclude, False)
        self.assertEqual(self.filters['multivaluecharfield__n'].lookup_expr, 'exact')
        self.assertEqual(self.filters['multivaluecharfield__n'].exclude, True)
        self.assertEqual(self.filters['multivaluecharfield__ie'].lookup_expr, 'iexact')
        self.assertEqual(self.filters['multivaluecharfield__ie'].exclude, False)
        self.assertEqual(self.filters['multivaluecharfield__nie'].lookup_expr, 'iexact')
        self.assertEqual(self.filters['multivaluecharfield__nie'].exclude, True)
        self.assertEqual(self.filters['multivaluecharfield__ic'].lookup_expr, 'icontains')
        self.assertEqual(self.filters['multivaluecharfield__ic'].exclude, False)
        self.assertEqual(self.filters['multivaluecharfield__nic'].lookup_expr, 'icontains')
        self.assertEqual(self.filters['multivaluecharfield__nic'].exclude, True)
        self.assertEqual(self.filters['multivaluecharfield__isw'].lookup_expr, 'istartswith')
        self.assertEqual(self.filters['multivaluecharfield__isw'].exclude, False)
        self.assertEqual(self.filters['multivaluecharfield__nisw'].lookup_expr, 'istartswith')
        self.assertEqual(self.filters['multivaluecharfield__nisw'].exclude, True)
        self.assertEqual(self.filters['multivaluecharfield__iew'].lookup_expr, 'iendswith')
        self.assertEqual(self.filters['multivaluecharfield__iew'].exclude, False)
        self.assertEqual(self.filters['multivaluecharfield__niew'].lookup_expr, 'iendswith')
        self.assertEqual(self.filters['multivaluecharfield__niew'].exclude, True)

    def test_multi_value_date_filter(self):
        self.assertIsInstance(self.filters['datefield'], MultiValueDateFilter)
        self.assertEqual(self.filters['datefield'].lookup_expr, 'exact')
        self.assertEqual(self.filters['datefield'].exclude, False)
        self.assertEqual(self.filters['datefield__n'].lookup_expr, 'exact')
        self.assertEqual(self.filters['datefield__n'].exclude, True)
        self.assertEqual(self.filters['datefield__lt'].lookup_expr, 'lt')
        self.assertEqual(self.filters['datefield__lt'].exclude, False)
        self.assertEqual(self.filters['datefield__lte'].lookup_expr, 'lte')
        self.assertEqual(self.filters['datefield__lte'].exclude, False)
        self.assertEqual(self.filters['datefield__gt'].lookup_expr, 'gt')
        self.assertEqual(self.filters['datefield__gt'].exclude, False)
        self.assertEqual(self.filters['datefield__gte'].lookup_expr, 'gte')
        self.assertEqual(self.filters['datefield__gte'].exclude, False)

    def test_multi_value_datetime_filter(self):
        self.assertIsInstance(self.filters['datetimefield'], MultiValueDateTimeFilter)
        self.assertEqual(self.filters['datetimefield'].lookup_expr, 'exact')
        self.assertEqual(self.filters['datetimefield'].exclude, False)
        self.assertEqual(self.filters['datetimefield__n'].lookup_expr, 'exact')
        self.assertEqual(self.filters['datetimefield__n'].exclude, True)
        self.assertEqual(self.filters['datetimefield__lt'].lookup_expr, 'lt')
        self.assertEqual(self.filters['datetimefield__lt'].exclude, False)
        self.assertEqual(self.filters['datetimefield__lte'].lookup_expr, 'lte')
        self.assertEqual(self.filters['datetimefield__lte'].exclude, False)
        self.assertEqual(self.filters['datetimefield__gt'].lookup_expr, 'gt')
        self.assertEqual(self.filters['datetimefield__gt'].exclude, False)
        self.assertEqual(self.filters['datetimefield__gte'].lookup_expr, 'gte')
        self.assertEqual(self.filters['datetimefield__gte'].exclude, False)

    def test_multi_value_number_filter(self):
        self.assertIsInstance(self.filters['integerfield'], MultiValueNumberFilter)
        self.assertEqual(self.filters['integerfield'].lookup_expr, 'exact')
        self.assertEqual(self.filters['integerfield'].exclude, False)
        self.assertEqual(self.filters['integerfield__n'].lookup_expr, 'exact')
        self.assertEqual(self.filters['integerfield__n'].exclude, True)
        self.assertEqual(self.filters['integerfield__lt'].lookup_expr, 'lt')
        self.assertEqual(self.filters['integerfield__lt'].exclude, False)
        self.assertEqual(self.filters['integerfield__lte'].lookup_expr, 'lte')
        self.assertEqual(self.filters['integerfield__lte'].exclude, False)
        self.assertEqual(self.filters['integerfield__gt'].lookup_expr, 'gt')
        self.assertEqual(self.filters['integerfield__gt'].exclude, False)
        self.assertEqual(self.filters['integerfield__gte'].lookup_expr, 'gte')
        self.assertEqual(self.filters['integerfield__gte'].exclude, False)

    def test_multi_value_time_filter(self):
        self.assertIsInstance(self.filters['timefield'], MultiValueTimeFilter)
        self.assertEqual(self.filters['timefield'].lookup_expr, 'exact')
        self.assertEqual(self.filters['timefield'].exclude, False)
        self.assertEqual(self.filters['timefield__n'].lookup_expr, 'exact')
        self.assertEqual(self.filters['timefield__n'].exclude, True)
        self.assertEqual(self.filters['timefield__lt'].lookup_expr, 'lt')
        self.assertEqual(self.filters['timefield__lt'].exclude, False)
        self.assertEqual(self.filters['timefield__lte'].lookup_expr, 'lte')
        self.assertEqual(self.filters['timefield__lte'].exclude, False)
        self.assertEqual(self.filters['timefield__gt'].lookup_expr, 'gt')
        self.assertEqual(self.filters['timefield__gt'].exclude, False)
        self.assertEqual(self.filters['timefield__gte'].lookup_expr, 'gte')
        self.assertEqual(self.filters['timefield__gte'].exclude, False)

    def test_multiple_choice_filter(self):
        self.assertIsInstance(self.filters['multiplechoicefield'], django_filters.MultipleChoiceFilter)
        self.assertEqual(self.filters['multiplechoicefield'].lookup_expr, 'exact')
        self.assertEqual(self.filters['multiplechoicefield'].exclude, False)
        self.assertEqual(self.filters['multiplechoicefield__n'].lookup_expr, 'exact')
        self.assertEqual(self.filters['multiplechoicefield__n'].exclude, True)
        self.assertEqual(self.filters['multiplechoicefield__ie'].lookup_expr, 'iexact')
        self.assertEqual(self.filters['multiplechoicefield__ie'].exclude, False)
        self.assertEqual(self.filters['multiplechoicefield__nie'].lookup_expr, 'iexact')
        self.assertEqual(self.filters['multiplechoicefield__nie'].exclude, True)
        self.assertEqual(self.filters['multiplechoicefield__ic'].lookup_expr, 'icontains')
        self.assertEqual(self.filters['multiplechoicefield__ic'].exclude, False)
        self.assertEqual(self.filters['multiplechoicefield__nic'].lookup_expr, 'icontains')
        self.assertEqual(self.filters['multiplechoicefield__nic'].exclude, True)
        self.assertEqual(self.filters['multiplechoicefield__isw'].lookup_expr, 'istartswith')
        self.assertEqual(self.filters['multiplechoicefield__isw'].exclude, False)
        self.assertEqual(self.filters['multiplechoicefield__nisw'].lookup_expr, 'istartswith')
        self.assertEqual(self.filters['multiplechoicefield__nisw'].exclude, True)
        self.assertEqual(self.filters['multiplechoicefield__iew'].lookup_expr, 'iendswith')
        self.assertEqual(self.filters['multiplechoicefield__iew'].exclude, False)
        self.assertEqual(self.filters['multiplechoicefield__niew'].lookup_expr, 'iendswith')
        self.assertEqual(self.filters['multiplechoicefield__niew'].exclude, True)

    def test_tag_filter(self):
        self.assertIsInstance(self.filters['tagfield'], TagFilter)
        self.assertEqual(self.filters['tagfield'].lookup_expr, 'exact')
        self.assertEqual(self.filters['tagfield'].exclude, False)
        self.assertEqual(self.filters['tagfield__n'].lookup_expr, 'exact')
        self.assertEqual(self.filters['tagfield__n'].exclude, True)

    def test_tree_node_multiple_choice_filter(self):
        self.assertIsInstance(self.filters['treeforeignkeyfield'], TreeNodeMultipleChoiceFilter)
        # TODO: lookup_expr different for negation?
        self.assertEqual(self.filters['treeforeignkeyfield'].lookup_expr, 'exact')
        self.assertEqual(self.filters['treeforeignkeyfield'].exclude, False)
        self.assertEqual(self.filters['treeforeignkeyfield__n'].lookup_expr, 'in')
        self.assertEqual(self.filters['treeforeignkeyfield__n'].exclude, True)


class DynamicFilterLookupExpressionTest(TestCase):
    """
    Validate function of automatically generated filters using the Device model as an example.
    """
    @classmethod
    def setUpTestData(cls):
        rir = RIR.objects.create(name='RIR 1', slug='rir-1')

        asns = (
            ASN(asn=65001, rir=rir),
            ASN(asn=65101, rir=rir),
            ASN(asn=65201, rir=rir),
        )
        ASN.objects.bulk_create(asns)

        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)

        device_types = (
            DeviceType(manufacturer=manufacturers[0], model='Model 1', slug='model-1', is_full_depth=True),
            DeviceType(manufacturer=manufacturers[1], model='Model 2', slug='model-2', is_full_depth=True),
            DeviceType(manufacturer=manufacturers[2], model='Model 3', slug='model-3', is_full_depth=False),
        )
        DeviceType.objects.bulk_create(device_types)

        roles = (
            DeviceRole(name='Device Role 1', slug='device-role-1'),
            DeviceRole(name='Device Role 2', slug='device-role-2'),
            DeviceRole(name='Device Role 3', slug='device-role-3'),
        )
        DeviceRole.objects.bulk_create(roles)

        platforms = (
            Platform(name='Platform 1', slug='platform-1'),
            Platform(name='Platform 2', slug='platform-2'),
            Platform(name='Platform 3', slug='platform-3'),
        )
        Platform.objects.bulk_create(platforms)

        regions = (
            Region(name='Region 1', slug='region-1'),
            Region(name='Region 2', slug='region-2'),
            Region(name='Region 3', slug='region-3'),
        )
        for region in regions:
            region.save()

        sites = (
            Site(name='Site 1', slug='abc-site-1', region=regions[0]),
            Site(name='Site 2', slug='def-site-2', region=regions[1]),
            Site(name='Site 3', slug='ghi-site-3', region=regions[2]),
        )
        Site.objects.bulk_create(sites)

        asns[0].sites.add(sites[0])
        asns[1].sites.add(sites[1])
        asns[2].sites.add(sites[2])

        racks = (
            Rack(name='Rack 1', site=sites[0]),
            Rack(name='Rack 2', site=sites[1]),
            Rack(name='Rack 3', site=sites[2]),
        )
        Rack.objects.bulk_create(racks)

        devices = (
            Device(name='Device 1', device_type=device_types[0], role=roles[0], platform=platforms[0], serial='ABC', asset_tag='1001', site=sites[0], rack=racks[0], position=1, face=DeviceFaceChoices.FACE_FRONT, status=DeviceStatusChoices.STATUS_ACTIVE, local_context_data={"foo": 123}),
            Device(name='Device 2', device_type=device_types[1], role=roles[1], platform=platforms[1], serial='DEF', asset_tag='1002', site=sites[1], rack=racks[1], position=2, face=DeviceFaceChoices.FACE_FRONT, status=DeviceStatusChoices.STATUS_STAGED),
            Device(name='Device 3', device_type=device_types[2], role=roles[2], platform=platforms[2], serial='GHI', asset_tag='1003', site=sites[2], rack=racks[2], position=3, face=DeviceFaceChoices.FACE_REAR, status=DeviceStatusChoices.STATUS_FAILED),
        )
        Device.objects.bulk_create(devices)

        interfaces = (
            Interface(device=devices[0], name='Interface 1', mac_address='00-00-00-00-00-01'),
            Interface(device=devices[0], name='Interface 2', mac_address='aa-00-00-00-00-01'),
            Interface(device=devices[1], name='Interface 3', mac_address='00-00-00-00-00-02'),
            Interface(device=devices[1], name='Interface 4', mac_address='bb-00-00-00-00-02'),
            Interface(device=devices[2], name='Interface 5', mac_address='00-00-00-00-00-03'),
            Interface(device=devices[2], name='Interface 6', mac_address='cc-00-00-00-00-03'),
        )
        Interface.objects.bulk_create(interfaces)

    def test_site_name_negation(self):
        params = {'name__n': ['Site 1']}
        self.assertEqual(SiteFilterSet(params, Site.objects.all()).qs.count(), 2)

    def test_site_slug_icontains(self):
        params = {'slug__ic': ['-1']}
        self.assertEqual(SiteFilterSet(params, Site.objects.all()).qs.count(), 1)

    def test_site_slug_icontains_negation(self):
        params = {'slug__nic': ['-1']}
        self.assertEqual(SiteFilterSet(params, Site.objects.all()).qs.count(), 2)

    def test_site_slug_startswith(self):
        params = {'slug__isw': ['abc']}
        self.assertEqual(SiteFilterSet(params, Site.objects.all()).qs.count(), 1)

    def test_site_slug_startswith_negation(self):
        params = {'slug__nisw': ['abc']}
        self.assertEqual(SiteFilterSet(params, Site.objects.all()).qs.count(), 2)

    def test_site_slug_endswith(self):
        params = {'slug__iew': ['-1']}
        self.assertEqual(SiteFilterSet(params, Site.objects.all()).qs.count(), 1)

    def test_site_slug_endswith_negation(self):
        params = {'slug__niew': ['-1']}
        self.assertEqual(SiteFilterSet(params, Site.objects.all()).qs.count(), 2)

    def test_provider_asn_lt(self):
        params = {'asn__lt': [65101]}
        self.assertEqual(ASNFilterSet(params, ASN.objects.all()).qs.count(), 1)

    def test_provider_asn_lte(self):
        params = {'asn__lte': [65101]}
        self.assertEqual(ASNFilterSet(params, ASN.objects.all()).qs.count(), 2)

    def test_provider_asn_gt(self):
        params = {'asn__lt': [65101]}
        self.assertEqual(ASNFilterSet(params, ASN.objects.all()).qs.count(), 1)

    def test_provider_asn_gte(self):
        params = {'asn__gte': [65101]}
        self.assertEqual(ASNFilterSet(params, ASN.objects.all()).qs.count(), 2)

    def test_site_region_negation(self):
        params = {'region__n': ['region-1']}
        self.assertEqual(SiteFilterSet(params, Site.objects.all()).qs.count(), 2)

    def test_site_region_id_negation(self):
        params = {'region_id__n': [Region.objects.first().pk]}
        self.assertEqual(SiteFilterSet(params, Site.objects.all()).qs.count(), 2)

    def test_device_name_eq(self):
        params = {'name': ['Device 1']}
        self.assertEqual(DeviceFilterSet(params, Device.objects.all()).qs.count(), 1)

    def test_device_name_negation(self):
        params = {'name__n': ['Device 1']}
        self.assertEqual(DeviceFilterSet(params, Device.objects.all()).qs.count(), 2)

    def test_device_name_startswith(self):
        params = {'name__isw': ['Device']}
        self.assertEqual(DeviceFilterSet(params, Device.objects.all()).qs.count(), 3)

    def test_device_name_startswith_negation(self):
        params = {'name__nisw': ['Device 1']}
        self.assertEqual(DeviceFilterSet(params, Device.objects.all()).qs.count(), 2)

    def test_device_name_endswith(self):
        params = {'name__iew': [' 1']}
        self.assertEqual(DeviceFilterSet(params, Device.objects.all()).qs.count(), 1)

    def test_device_name_endswith_negation(self):
        params = {'name__niew': [' 1']}
        self.assertEqual(DeviceFilterSet(params, Device.objects.all()).qs.count(), 2)

    def test_device_name_icontains(self):
        params = {'name__ic': [' 2']}
        self.assertEqual(DeviceFilterSet(params, Device.objects.all()).qs.count(), 1)

    def test_device_name_icontains_negation(self):
        params = {'name__nic': [' ']}
        self.assertEqual(DeviceFilterSet(params, Device.objects.all()).qs.count(), 0)

    def test_device_mac_address_negation(self):
        params = {'mac_address__n': ['00-00-00-00-00-01', 'aa-00-00-00-00-01']}
        self.assertEqual(DeviceFilterSet(params, Device.objects.all()).qs.count(), 2)

    def test_device_mac_address_startswith(self):
        params = {'mac_address__isw': ['aa:']}
        self.assertEqual(DeviceFilterSet(params, Device.objects.all()).qs.count(), 1)

    def test_device_mac_address_startswith_negation(self):
        params = {'mac_address__nisw': ['aa:']}
        self.assertEqual(DeviceFilterSet(params, Device.objects.all()).qs.count(), 2)

    def test_device_mac_address_endswith(self):
        params = {'mac_address__iew': [':02']}
        self.assertEqual(DeviceFilterSet(params, Device.objects.all()).qs.count(), 1)

    def test_device_mac_address_endswith_negation(self):
        params = {'mac_address__niew': [':02']}
        self.assertEqual(DeviceFilterSet(params, Device.objects.all()).qs.count(), 2)

    def test_device_mac_address_icontains(self):
        params = {'mac_address__ic': ['aa:', 'bb']}
        self.assertEqual(DeviceFilterSet(params, Device.objects.all()).qs.count(), 2)

    def test_device_mac_address_icontains_negation(self):
        params = {'mac_address__nic': ['aa:', 'bb']}
        self.assertEqual(DeviceFilterSet(params, Device.objects.all()).qs.count(), 1)
