mirror of
https://github.com/encode/django-rest-framework.git
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85 lines
3.7 KiB
Python
85 lines
3.7 KiB
Python
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 OneToOneTargetSource(models.Model):
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name = models.CharField(max_length=100)
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target = models.OneToOneField(OneToOneTarget, related_name='target_source')
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class OneToOneSource(models.Model):
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name = models.CharField(max_length=100)
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target_source = models.OneToOneField(OneToOneTargetSource, related_name='source')
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class OneToOneSourceSerializer(serializers.ModelSerializer):
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class Meta:
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model = OneToOneSource
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exclude = ('target_source', )
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class OneToOneTargetSourceSerializer(serializers.ModelSerializer):
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source = OneToOneSourceSerializer()
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class Meta:
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model = OneToOneTargetSource
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exclude = ('target', )
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class OneToOneTargetSerializer(serializers.ModelSerializer):
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target_source = OneToOneTargetSourceSerializer()
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class Meta:
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model = OneToOneTarget
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class NestedOneToOneTests(TestCase):
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def setUp(self):
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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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target_source = OneToOneTargetSource(name='target-source-%d' % idx, target=target)
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target_source.save()
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source = OneToOneSource(name='source-%d' % idx, target_source=target_source)
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source.save()
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def test_foreign_key_retrieve(self):
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queryset = OneToOneTarget.objects.all()
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serializer = OneToOneTargetSerializer(queryset)
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expected = [
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{'id': 1, 'name': u'target-1', 'target_source': {'id': 1, 'name': u'target-source-1', 'source': {'id': 1, 'name': u'source-1'}}},
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{'id': 2, 'name': u'target-2', 'target_source': {'id': 2, 'name': u'target-source-2', 'source': {'id': 2, 'name': u'source-2'}}},
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{'id': 3, 'name': u'target-3', 'target_source': {'id': 3, 'name': u'target-source-3', 'source': {'id': 3, 'name': u'source-3'}}}
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]
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self.assertEquals(serializer.data, expected)
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def test_foreign_key_create(self):
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data = {'id': 4, 'name': u'target-4', 'target_source': {'id': 4, 'name': u'target-source-4', 'source': {'id': 4, 'name': u'source-4'}}}
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serializer = OneToOneTargetSerializer(data=data)
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self.assertTrue(serializer.is_valid())
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obj = serializer.save()
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self.assertEquals(serializer.data, data)
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self.assertEqual(obj.name, u'target-4')
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# Ensure (source 4, target 4) is added, and everything else is as expected
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queryset = OneToOneTarget.objects.all()
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serializer = OneToOneTargetSerializer(queryset)
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expected = [
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{'id': 1, 'name': u'target-1', 'target_source': {'id': 1, 'name': u'target-source-1', 'source': {'id': 1, 'name': u'source-1'}}},
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{'id': 2, 'name': u'target-2', 'target_source': {'id': 2, 'name': u'target-source-2', 'source': {'id': 2, 'name': u'source-2'}}},
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{'id': 3, 'name': u'target-3', 'target_source': {'id': 3, 'name': u'target-source-3', 'source': {'id': 3, 'name': u'source-3'}}},
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{'id': 4, 'name': u'target-4', 'target_source': {'id': 4, 'name': u'target-source-4', 'source': {'id': 4, 'name': u'source-4'}}}
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]
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self.assertEquals(serializer.data, expected)
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def test_foreign_key_create_with_invalid_data(self):
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data = {'id': 4, 'name': u'target-4', 'target_source': {'id': 4, 'name': u'target-source-4', 'source': {'id': 4}}}
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serializer = OneToOneTargetSerializer(data=data)
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self.assertFalse(serializer.is_valid())
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self.assertEquals(serializer.errors, {'target_source': [{'source': [{'name': [u'This field is required.']}]}]})
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