from django.test import TestCase

from .models import ManyToManyModel, RelatedModel, SimpleModel


class AsyncRelatedManagersOperationTest(TestCase):
    @classmethod
    def setUpTestData(cls):
        cls.mtm1 = ManyToManyModel.objects.create()
        cls.s1 = SimpleModel.objects.create(field=0)
        cls.mtm2 = ManyToManyModel.objects.create()
        cls.mtm2.simples.set([cls.s1])

    async def test_acreate(self):
        await self.mtm1.simples.acreate(field=2)
        new_simple = await self.mtm1.simples.aget()
        self.assertEqual(new_simple.field, 2)

    async def test_acreate_reverse(self):
        await self.s1.relatedmodel_set.acreate()
        new_relatedmodel = await self.s1.relatedmodel_set.aget()
        self.assertEqual(new_relatedmodel.simple, self.s1)

    async def test_aget_or_create(self):
        new_simple, created = await self.mtm1.simples.aget_or_create(field=2)
        self.assertIs(created, True)
        self.assertEqual(await self.mtm1.simples.acount(), 1)
        self.assertEqual(new_simple.field, 2)
        new_simple, created = await self.mtm1.simples.aget_or_create(
            id=new_simple.id, through_defaults={"field": 3}
        )
        self.assertIs(created, False)
        self.assertEqual(await self.mtm1.simples.acount(), 1)
        self.assertEqual(new_simple.field, 2)

    async def test_aget_or_create_reverse(self):
        new_relatedmodel, created = await self.s1.relatedmodel_set.aget_or_create()
        self.assertIs(created, True)
        self.assertEqual(await self.s1.relatedmodel_set.acount(), 1)
        self.assertEqual(new_relatedmodel.simple, self.s1)

    async def test_aupdate_or_create(self):
        new_simple, created = await self.mtm1.simples.aupdate_or_create(field=2)
        self.assertIs(created, True)
        self.assertEqual(await self.mtm1.simples.acount(), 1)
        self.assertEqual(new_simple.field, 2)
        new_simple, created = await self.mtm1.simples.aupdate_or_create(
            id=new_simple.id, defaults={"field": 3}
        )
        self.assertIs(created, False)
        self.assertEqual(await self.mtm1.simples.acount(), 1)
        self.assertEqual(new_simple.field, 3)

    async def test_aupdate_or_create_reverse(self):
        new_relatedmodel, created = await self.s1.relatedmodel_set.aupdate_or_create()
        self.assertIs(created, True)
        self.assertEqual(await self.s1.relatedmodel_set.acount(), 1)
        self.assertEqual(new_relatedmodel.simple, self.s1)

    async def test_aadd(self):
        await self.mtm1.simples.aadd(self.s1)
        self.assertEqual(await self.mtm1.simples.aget(), self.s1)

    async def test_aadd_reverse(self):
        r1 = await RelatedModel.objects.acreate()
        await self.s1.relatedmodel_set.aadd(r1, bulk=False)
        self.assertEqual(await self.s1.relatedmodel_set.aget(), r1)

    async def test_aremove(self):
        self.assertEqual(await self.mtm2.simples.acount(), 1)
        await self.mtm2.simples.aremove(self.s1)
        self.assertEqual(await self.mtm2.simples.acount(), 0)

    async def test_aremove_reverse(self):
        r1 = await RelatedModel.objects.acreate(simple=self.s1)
        self.assertEqual(await self.s1.relatedmodel_set.acount(), 1)
        await self.s1.relatedmodel_set.aremove(r1)
        self.assertEqual(await self.s1.relatedmodel_set.acount(), 0)

    async def test_aset(self):
        await self.mtm1.simples.aset([self.s1])
        self.assertEqual(await self.mtm1.simples.aget(), self.s1)
        await self.mtm1.simples.aset([])
        self.assertEqual(await self.mtm1.simples.acount(), 0)
        await self.mtm1.simples.aset([self.s1], clear=True)
        self.assertEqual(await self.mtm1.simples.aget(), self.s1)

    async def test_aset_reverse(self):
        r1 = await RelatedModel.objects.acreate()
        await self.s1.relatedmodel_set.aset([r1])
        self.assertEqual(await self.s1.relatedmodel_set.aget(), r1)
        await self.s1.relatedmodel_set.aset([])
        self.assertEqual(await self.s1.relatedmodel_set.acount(), 0)
        await self.s1.relatedmodel_set.aset([r1], bulk=False, clear=True)
        self.assertEqual(await self.s1.relatedmodel_set.aget(), r1)

    async def test_aclear(self):
        self.assertEqual(await self.mtm2.simples.acount(), 1)
        await self.mtm2.simples.aclear()
        self.assertEqual(await self.mtm2.simples.acount(), 0)

    async def test_aclear_reverse(self):
        await RelatedModel.objects.acreate(simple=self.s1)
        self.assertEqual(await self.s1.relatedmodel_set.acount(), 1)
        await self.s1.relatedmodel_set.aclear(bulk=False)
        self.assertEqual(await self.s1.relatedmodel_set.acount(), 0)