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https://github.com/encode/django-rest-framework.git
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309 lines
13 KiB
Python
309 lines
13 KiB
Python
from __future__ import unicode_literals
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from django.db import models
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from django.test import TestCase
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from rest_framework import serializers
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class OneToOneTarget(models.Model):
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name = models.CharField(max_length=100)
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class OneToOneSource(models.Model):
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name = models.CharField(max_length=100)
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target = models.OneToOneField(OneToOneTarget, related_name='source')
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class OneToManyTarget(models.Model):
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name = models.CharField(max_length=100)
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class OneToManySource(models.Model):
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name = models.CharField(max_length=100)
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target = models.ForeignKey(OneToManyTarget, related_name='sources')
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class ReverseNestedOneToOneTests(TestCase):
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def setUp(self):
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class OneToOneSourceSerializer(serializers.ModelSerializer):
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class Meta:
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model = OneToOneSource
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fields = ('id', 'name')
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class OneToOneTargetSerializer(serializers.ModelSerializer):
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source = OneToOneSourceSerializer()
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class Meta:
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model = OneToOneTarget
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fields = ('id', 'name', 'source')
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self.Serializer = OneToOneTargetSerializer
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for idx in range(1, 4):
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target = OneToOneTarget(name='target-%d' % idx)
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target.save()
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source = OneToOneSource(name='source-%d' % idx, target=target)
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source.save()
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def test_one_to_one_retrieve(self):
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queryset = OneToOneTarget.objects.all()
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serializer = self.Serializer(queryset)
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expected = [
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{'id': 1, 'name': 'target-1', 'source': {'id': 1, 'name': 'source-1'}},
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{'id': 2, 'name': 'target-2', 'source': {'id': 2, 'name': 'source-2'}},
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{'id': 3, 'name': 'target-3', 'source': {'id': 3, 'name': 'source-3'}}
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]
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self.assertEqual(serializer.data, expected)
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def test_one_to_one_create(self):
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data = {'id': 4, 'name': 'target-4', 'source': {'id': 4, 'name': 'source-4'}}
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serializer = self.Serializer(data=data)
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self.assertTrue(serializer.is_valid())
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obj = serializer.save()
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self.assertEqual(serializer.data, data)
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self.assertEqual(obj.name, 'target-4')
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# Ensure (target 4, target_source 4, source 4) are added, and
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# everything else is as expected.
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queryset = OneToOneTarget.objects.all()
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serializer = self.Serializer(queryset)
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expected = [
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{'id': 1, 'name': 'target-1', 'source': {'id': 1, 'name': 'source-1'}},
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{'id': 2, 'name': 'target-2', 'source': {'id': 2, 'name': 'source-2'}},
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{'id': 3, 'name': 'target-3', 'source': {'id': 3, 'name': 'source-3'}},
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{'id': 4, 'name': 'target-4', 'source': {'id': 4, 'name': 'source-4'}}
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]
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self.assertEqual(serializer.data, expected)
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def test_one_to_one_create_with_invalid_data(self):
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data = {'id': 4, 'name': 'target-4', 'source': {'id': 4}}
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serializer = self.Serializer(data=data)
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self.assertFalse(serializer.is_valid())
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self.assertEqual(serializer.errors, {'source': [{'name': ['This field is required.']}]})
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def test_one_to_one_update(self):
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data = {'id': 3, 'name': 'target-3-updated', 'source': {'id': 3, 'name': 'source-3-updated'}}
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instance = OneToOneTarget.objects.get(pk=3)
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serializer = self.Serializer(instance, data=data)
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self.assertTrue(serializer.is_valid())
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obj = serializer.save()
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self.assertEqual(serializer.data, data)
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self.assertEqual(obj.name, 'target-3-updated')
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# Ensure (target 3, target_source 3, source 3) are updated,
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# and everything else is as expected.
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queryset = OneToOneTarget.objects.all()
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serializer = self.Serializer(queryset)
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expected = [
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{'id': 1, 'name': 'target-1', 'source': {'id': 1, 'name': 'source-1'}},
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{'id': 2, 'name': 'target-2', 'source': {'id': 2, 'name': 'source-2'}},
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{'id': 3, 'name': 'target-3-updated', 'source': {'id': 3, 'name': 'source-3-updated'}}
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]
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self.assertEqual(serializer.data, expected)
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class ForwardNestedOneToOneTests(TestCase):
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def setUp(self):
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class OneToOneTargetSerializer(serializers.ModelSerializer):
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class Meta:
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model = OneToOneTarget
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fields = ('id', 'name')
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class OneToOneSourceSerializer(serializers.ModelSerializer):
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target = OneToOneTargetSerializer()
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class Meta:
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model = OneToOneSource
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fields = ('id', 'name', 'target')
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self.Serializer = OneToOneSourceSerializer
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for idx in range(1, 4):
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target = OneToOneTarget(name='target-%d' % idx)
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target.save()
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source = OneToOneSource(name='source-%d' % idx, target=target)
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source.save()
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def test_one_to_one_retrieve(self):
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queryset = OneToOneSource.objects.all()
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serializer = self.Serializer(queryset)
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expected = [
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{'id': 1, 'name': 'source-1', 'target': {'id': 1, 'name': 'target-1'}},
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{'id': 2, 'name': 'source-2', 'target': {'id': 2, 'name': 'target-2'}},
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{'id': 3, 'name': 'source-3', 'target': {'id': 3, 'name': 'target-3'}}
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]
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self.assertEqual(serializer.data, expected)
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def test_one_to_one_create(self):
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data = {'id': 4, 'name': 'source-4', 'target': {'id': 4, 'name': 'target-4'}}
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serializer = self.Serializer(data=data)
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self.assertTrue(serializer.is_valid())
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obj = serializer.save()
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self.assertEqual(serializer.data, data)
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self.assertEqual(obj.name, 'source-4')
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# Ensure (target 4, target_source 4, source 4) are added, and
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# everything else is as expected.
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queryset = OneToOneSource.objects.all()
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serializer = self.Serializer(queryset)
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expected = [
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{'id': 1, 'name': 'source-1', 'target': {'id': 1, 'name': 'target-1'}},
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{'id': 2, 'name': 'source-2', 'target': {'id': 2, 'name': 'target-2'}},
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{'id': 3, 'name': 'source-3', 'target': {'id': 3, 'name': 'target-3'}},
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{'id': 4, 'name': 'source-4', 'target': {'id': 4, 'name': 'target-4'}}
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]
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self.assertEqual(serializer.data, expected)
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def test_one_to_one_create_with_invalid_data(self):
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data = {'id': 4, 'name': 'source-4', 'target': {'id': 4}}
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serializer = self.Serializer(data=data)
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self.assertFalse(serializer.is_valid())
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self.assertEqual(serializer.errors, {'target': [{'name': ['This field is required.']}]})
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def test_one_to_one_update(self):
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data = {'id': 3, 'name': 'source-3-updated', 'target': {'id': 3, 'name': 'target-3-updated'}}
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instance = OneToOneSource.objects.get(pk=3)
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serializer = self.Serializer(instance, data=data)
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self.assertTrue(serializer.is_valid())
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obj = serializer.save()
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self.assertEqual(serializer.data, data)
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self.assertEqual(obj.name, 'source-3-updated')
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# Ensure (target 3, target_source 3, source 3) are updated,
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# and everything else is as expected.
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queryset = OneToOneSource.objects.all()
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serializer = self.Serializer(queryset)
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expected = [
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{'id': 1, 'name': 'source-1', 'target': {'id': 1, 'name': 'target-1'}},
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{'id': 2, 'name': 'source-2', 'target': {'id': 2, 'name': 'target-2'}},
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{'id': 3, 'name': 'source-3-updated', 'target': {'id': 3, 'name': 'target-3-updated'}}
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]
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self.assertEqual(serializer.data, expected)
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# TODO: Nullable 1-1 tests
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# def test_one_to_one_delete(self):
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# data = {'id': 3, 'name': 'target-3', 'target_source': None}
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# instance = OneToOneTarget.objects.get(pk=3)
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# serializer = self.Serializer(instance, data=data)
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# self.assertTrue(serializer.is_valid())
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# serializer.save()
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# # Ensure (target_source 3, source 3) are deleted,
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# # and everything else is as expected.
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# queryset = OneToOneTarget.objects.all()
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# serializer = self.Serializer(queryset)
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# expected = [
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# {'id': 1, 'name': 'target-1', 'source': {'id': 1, 'name': 'source-1'}},
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# {'id': 2, 'name': 'target-2', 'source': {'id': 2, 'name': 'source-2'}},
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# {'id': 3, 'name': 'target-3', 'source': None}
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# ]
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# self.assertEqual(serializer.data, expected)
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class ReverseNestedOneToManyTests(TestCase):
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def setUp(self):
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class OneToManySourceSerializer(serializers.ModelSerializer):
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class Meta:
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model = OneToManySource
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fields = ('id', 'name')
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class OneToManyTargetSerializer(serializers.ModelSerializer):
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sources = OneToManySourceSerializer(many=True, allow_add_remove=True)
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class Meta:
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model = OneToManyTarget
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fields = ('id', 'name', 'sources')
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self.Serializer = OneToManyTargetSerializer
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target = OneToManyTarget(name='target-1')
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target.save()
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for idx in range(1, 4):
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source = OneToManySource(name='source-%d' % idx, target=target)
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source.save()
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def test_one_to_many_retrieve(self):
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queryset = OneToManyTarget.objects.all()
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serializer = self.Serializer(queryset)
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expected = [
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{'id': 1, 'name': 'target-1', 'sources': [{'id': 1, 'name': 'source-1'},
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{'id': 2, 'name': 'source-2'},
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{'id': 3, 'name': 'source-3'}]},
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]
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self.assertEqual(serializer.data, expected)
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def test_one_to_many_create(self):
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data = {'id': 1, 'name': 'target-1', 'sources': [{'id': 1, 'name': 'source-1'},
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{'id': 2, 'name': 'source-2'},
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{'id': 3, 'name': 'source-3'},
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{'id': 4, 'name': 'source-4'}]}
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instance = OneToManyTarget.objects.get(pk=1)
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serializer = self.Serializer(instance, data=data)
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self.assertTrue(serializer.is_valid())
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obj = serializer.save()
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self.assertEqual(serializer.data, data)
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self.assertEqual(obj.name, 'target-1')
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# Ensure source 4 is added, and everything else is as
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# expected.
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queryset = OneToManyTarget.objects.all()
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serializer = self.Serializer(queryset)
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expected = [
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{'id': 1, 'name': 'target-1', 'sources': [{'id': 1, 'name': 'source-1'},
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{'id': 2, 'name': 'source-2'},
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{'id': 3, 'name': 'source-3'},
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{'id': 4, 'name': 'source-4'}]}
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]
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self.assertEqual(serializer.data, expected)
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def test_one_to_many_create_with_invalid_data(self):
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data = {'id': 1, 'name': 'target-1', 'sources': [{'id': 1, 'name': 'source-1'},
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{'id': 2, 'name': 'source-2'},
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{'id': 3, 'name': 'source-3'},
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{'id': 4}]}
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serializer = self.Serializer(data=data)
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self.assertFalse(serializer.is_valid())
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self.assertEqual(serializer.errors, {'sources': [{}, {}, {}, {'name': ['This field is required.']}]})
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def test_one_to_many_update(self):
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data = {'id': 1, 'name': 'target-1-updated', 'sources': [{'id': 1, 'name': 'source-1-updated'},
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{'id': 2, 'name': 'source-2'},
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{'id': 3, 'name': 'source-3'}]}
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instance = OneToManyTarget.objects.get(pk=1)
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serializer = self.Serializer(instance, data=data)
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self.assertTrue(serializer.is_valid())
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obj = serializer.save()
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self.assertEqual(serializer.data, data)
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self.assertEqual(obj.name, 'target-1-updated')
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# Ensure (target 1, source 1) are updated,
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# and everything else is as expected.
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queryset = OneToManyTarget.objects.all()
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serializer = self.Serializer(queryset)
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expected = [
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{'id': 1, 'name': 'target-1-updated', 'sources': [{'id': 1, 'name': 'source-1-updated'},
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{'id': 2, 'name': 'source-2'},
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{'id': 3, 'name': 'source-3'}]}
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]
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self.assertEqual(serializer.data, expected)
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def test_one_to_many_delete(self):
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data = {'id': 1, 'name': 'target-1', 'sources': [{'id': 1, 'name': 'source-1'},
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{'id': 3, 'name': 'source-3'}]}
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instance = OneToManyTarget.objects.get(pk=1)
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serializer = self.Serializer(instance, data=data)
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self.assertTrue(serializer.is_valid())
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serializer.save()
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# Ensure source 2 is deleted, and everything else is as
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# expected.
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queryset = OneToManyTarget.objects.all()
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serializer = self.Serializer(queryset)
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expected = [
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{'id': 1, 'name': 'target-1', 'sources': [{'id': 1, 'name': 'source-1'},
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{'id': 3, 'name': 'source-3'}]}
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]
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self.assertEqual(serializer.data, expected)
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