mirror of
https://github.com/encode/django-rest-framework.git
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446 lines
22 KiB
Python
446 lines
22 KiB
Python
from __future__ import unicode_literals
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from django.test import TestCase
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from rest_framework import serializers
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from rest_framework.compat import patterns, url
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from rest_framework.tests.models import ManyToManyTarget, ManyToManySource, ForeignKeyTarget, ForeignKeySource, NullableForeignKeySource, OneToOneTarget, NullableOneToOneSource
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def dummy_view(request, pk):
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pass
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urlpatterns = patterns('',
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url(r'^manytomanysource/(?P<pk>[0-9]+)/$', dummy_view, name='manytomanysource-detail'),
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url(r'^manytomanytarget/(?P<pk>[0-9]+)/$', dummy_view, name='manytomanytarget-detail'),
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url(r'^foreignkeysource/(?P<pk>[0-9]+)/$', dummy_view, name='foreignkeysource-detail'),
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url(r'^foreignkeytarget/(?P<pk>[0-9]+)/$', dummy_view, name='foreignkeytarget-detail'),
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url(r'^nullableforeignkeysource/(?P<pk>[0-9]+)/$', dummy_view, name='nullableforeignkeysource-detail'),
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url(r'^onetoonetarget/(?P<pk>[0-9]+)/$', dummy_view, name='onetoonetarget-detail'),
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url(r'^nullableonetoonesource/(?P<pk>[0-9]+)/$', dummy_view, name='nullableonetoonesource-detail'),
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)
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class ManyToManyTargetSerializer(serializers.HyperlinkedModelSerializer):
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sources = serializers.ManyHyperlinkedRelatedField(view_name='manytomanysource-detail')
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class Meta:
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model = ManyToManyTarget
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class ManyToManySourceSerializer(serializers.HyperlinkedModelSerializer):
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class Meta:
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model = ManyToManySource
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class ForeignKeyTargetSerializer(serializers.HyperlinkedModelSerializer):
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sources = serializers.ManyHyperlinkedRelatedField(view_name='foreignkeysource-detail')
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class Meta:
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model = ForeignKeyTarget
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class ForeignKeySourceSerializer(serializers.HyperlinkedModelSerializer):
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class Meta:
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model = ForeignKeySource
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# Nullable ForeignKey
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class NullableForeignKeySourceSerializer(serializers.HyperlinkedModelSerializer):
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class Meta:
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model = NullableForeignKeySource
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# OneToOne
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class NullableOneToOneTargetSerializer(serializers.HyperlinkedModelSerializer):
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nullable_source = serializers.HyperlinkedRelatedField(view_name='nullableonetoonesource-detail')
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class Meta:
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model = OneToOneTarget
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# TODO: Add test that .data cannot be accessed prior to .is_valid
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class HyperlinkedManyToManyTests(TestCase):
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urls = 'rest_framework.tests.relations_hyperlink'
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def setUp(self):
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for idx in range(1, 4):
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target = ManyToManyTarget(name='target-%d' % idx)
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target.save()
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source = ManyToManySource(name='source-%d' % idx)
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source.save()
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for target in ManyToManyTarget.objects.all():
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source.targets.add(target)
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def test_many_to_many_retrieve(self):
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queryset = ManyToManySource.objects.all()
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serializer = ManyToManySourceSerializer(queryset)
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expected = [
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{'url': '/manytomanysource/1/', 'name': 'source-1', 'targets': ['/manytomanytarget/1/']},
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{'url': '/manytomanysource/2/', 'name': 'source-2', 'targets': ['/manytomanytarget/1/', '/manytomanytarget/2/']},
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{'url': '/manytomanysource/3/', 'name': 'source-3', 'targets': ['/manytomanytarget/1/', '/manytomanytarget/2/', '/manytomanytarget/3/']}
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]
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self.assertEquals(serializer.data, expected)
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def test_reverse_many_to_many_retrieve(self):
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queryset = ManyToManyTarget.objects.all()
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serializer = ManyToManyTargetSerializer(queryset)
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expected = [
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{'url': '/manytomanytarget/1/', 'name': 'target-1', 'sources': ['/manytomanysource/1/', '/manytomanysource/2/', '/manytomanysource/3/']},
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{'url': '/manytomanytarget/2/', 'name': 'target-2', 'sources': ['/manytomanysource/2/', '/manytomanysource/3/']},
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{'url': '/manytomanytarget/3/', 'name': 'target-3', 'sources': ['/manytomanysource/3/']}
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]
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self.assertEquals(serializer.data, expected)
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def test_many_to_many_update(self):
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data = {'url': '/manytomanysource/1/', 'name': 'source-1', 'targets': ['/manytomanytarget/1/', '/manytomanytarget/2/', '/manytomanytarget/3/']}
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instance = ManyToManySource.objects.get(pk=1)
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serializer = ManyToManySourceSerializer(instance, data=data)
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self.assertTrue(serializer.is_valid())
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serializer.save()
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self.assertEquals(serializer.data, data)
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# Ensure source 1 is updated, and everything else is as expected
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queryset = ManyToManySource.objects.all()
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serializer = ManyToManySourceSerializer(queryset)
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expected = [
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{'url': '/manytomanysource/1/', 'name': 'source-1', 'targets': ['/manytomanytarget/1/', '/manytomanytarget/2/', '/manytomanytarget/3/']},
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{'url': '/manytomanysource/2/', 'name': 'source-2', 'targets': ['/manytomanytarget/1/', '/manytomanytarget/2/']},
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{'url': '/manytomanysource/3/', 'name': 'source-3', 'targets': ['/manytomanytarget/1/', '/manytomanytarget/2/', '/manytomanytarget/3/']}
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]
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self.assertEquals(serializer.data, expected)
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def test_reverse_many_to_many_update(self):
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data = {'url': '/manytomanytarget/1/', 'name': 'target-1', 'sources': ['/manytomanysource/1/']}
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instance = ManyToManyTarget.objects.get(pk=1)
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serializer = ManyToManyTargetSerializer(instance, data=data)
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self.assertTrue(serializer.is_valid())
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serializer.save()
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self.assertEquals(serializer.data, data)
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# Ensure target 1 is updated, and everything else is as expected
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queryset = ManyToManyTarget.objects.all()
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serializer = ManyToManyTargetSerializer(queryset)
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expected = [
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{'url': '/manytomanytarget/1/', 'name': 'target-1', 'sources': ['/manytomanysource/1/']},
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{'url': '/manytomanytarget/2/', 'name': 'target-2', 'sources': ['/manytomanysource/2/', '/manytomanysource/3/']},
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{'url': '/manytomanytarget/3/', 'name': 'target-3', 'sources': ['/manytomanysource/3/']}
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]
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self.assertEquals(serializer.data, expected)
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def test_many_to_many_create(self):
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data = {'url': '/manytomanysource/4/', 'name': 'source-4', 'targets': ['/manytomanytarget/1/', '/manytomanytarget/3/']}
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serializer = ManyToManySourceSerializer(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, 'source-4')
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# Ensure source 4 is added, and everything else is as expected
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queryset = ManyToManySource.objects.all()
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serializer = ManyToManySourceSerializer(queryset)
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expected = [
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{'url': '/manytomanysource/1/', 'name': 'source-1', 'targets': ['/manytomanytarget/1/']},
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{'url': '/manytomanysource/2/', 'name': 'source-2', 'targets': ['/manytomanytarget/1/', '/manytomanytarget/2/']},
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{'url': '/manytomanysource/3/', 'name': 'source-3', 'targets': ['/manytomanytarget/1/', '/manytomanytarget/2/', '/manytomanytarget/3/']},
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{'url': '/manytomanysource/4/', 'name': 'source-4', 'targets': ['/manytomanytarget/1/', '/manytomanytarget/3/']}
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]
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self.assertEquals(serializer.data, expected)
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def test_reverse_many_to_many_create(self):
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data = {'url': '/manytomanytarget/4/', 'name': 'target-4', 'sources': ['/manytomanysource/1/', '/manytomanysource/3/']}
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serializer = ManyToManyTargetSerializer(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, 'target-4')
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# Ensure target 4 is added, and everything else is as expected
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queryset = ManyToManyTarget.objects.all()
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serializer = ManyToManyTargetSerializer(queryset)
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expected = [
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{'url': '/manytomanytarget/1/', 'name': 'target-1', 'sources': ['/manytomanysource/1/', '/manytomanysource/2/', '/manytomanysource/3/']},
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{'url': '/manytomanytarget/2/', 'name': 'target-2', 'sources': ['/manytomanysource/2/', '/manytomanysource/3/']},
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{'url': '/manytomanytarget/3/', 'name': 'target-3', 'sources': ['/manytomanysource/3/']},
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{'url': '/manytomanytarget/4/', 'name': 'target-4', 'sources': ['/manytomanysource/1/', '/manytomanysource/3/']}
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]
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self.assertEquals(serializer.data, expected)
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class HyperlinkedForeignKeyTests(TestCase):
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urls = 'rest_framework.tests.relations_hyperlink'
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def setUp(self):
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target = ForeignKeyTarget(name='target-1')
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target.save()
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new_target = ForeignKeyTarget(name='target-2')
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new_target.save()
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for idx in range(1, 4):
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source = ForeignKeySource(name='source-%d' % idx, target=target)
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source.save()
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def test_foreign_key_retrieve(self):
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queryset = ForeignKeySource.objects.all()
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serializer = ForeignKeySourceSerializer(queryset)
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expected = [
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{'url': '/foreignkeysource/1/', 'name': 'source-1', 'target': '/foreignkeytarget/1/'},
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{'url': '/foreignkeysource/2/', 'name': 'source-2', 'target': '/foreignkeytarget/1/'},
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{'url': '/foreignkeysource/3/', 'name': 'source-3', 'target': '/foreignkeytarget/1/'}
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]
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self.assertEquals(serializer.data, expected)
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def test_reverse_foreign_key_retrieve(self):
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queryset = ForeignKeyTarget.objects.all()
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serializer = ForeignKeyTargetSerializer(queryset)
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expected = [
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{'url': '/foreignkeytarget/1/', 'name': 'target-1', 'sources': ['/foreignkeysource/1/', '/foreignkeysource/2/', '/foreignkeysource/3/']},
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{'url': '/foreignkeytarget/2/', 'name': 'target-2', 'sources': []},
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]
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self.assertEquals(serializer.data, expected)
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def test_foreign_key_update(self):
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data = {'url': '/foreignkeysource/1/', 'name': 'source-1', 'target': '/foreignkeytarget/2/'}
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instance = ForeignKeySource.objects.get(pk=1)
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serializer = ForeignKeySourceSerializer(instance, data=data)
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self.assertTrue(serializer.is_valid())
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self.assertEquals(serializer.data, data)
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serializer.save()
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# Ensure source 1 is updated, and everything else is as expected
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queryset = ForeignKeySource.objects.all()
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serializer = ForeignKeySourceSerializer(queryset)
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expected = [
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{'url': '/foreignkeysource/1/', 'name': 'source-1', 'target': '/foreignkeytarget/2/'},
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{'url': '/foreignkeysource/2/', 'name': 'source-2', 'target': '/foreignkeytarget/1/'},
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{'url': '/foreignkeysource/3/', 'name': 'source-3', 'target': '/foreignkeytarget/1/'}
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]
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self.assertEquals(serializer.data, expected)
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def test_foreign_key_update_incorrect_type(self):
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data = {'url': '/foreignkeysource/1/', 'name': 'source-1', 'target': 2}
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instance = ForeignKeySource.objects.get(pk=1)
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serializer = ForeignKeySourceSerializer(instance, data=data)
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self.assertFalse(serializer.is_valid())
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self.assertEquals(serializer.errors, {'target': ['Incorrect type. Expected url string, received int.']})
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def test_reverse_foreign_key_update(self):
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data = {'url': '/foreignkeytarget/2/', 'name': 'target-2', 'sources': ['/foreignkeysource/1/', '/foreignkeysource/3/']}
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instance = ForeignKeyTarget.objects.get(pk=2)
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serializer = ForeignKeyTargetSerializer(instance, data=data)
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self.assertTrue(serializer.is_valid())
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# We shouldn't have saved anything to the db yet since save
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# hasn't been called.
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queryset = ForeignKeyTarget.objects.all()
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new_serializer = ForeignKeyTargetSerializer(queryset)
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expected = [
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{'url': '/foreignkeytarget/1/', 'name': 'target-1', 'sources': ['/foreignkeysource/1/', '/foreignkeysource/2/', '/foreignkeysource/3/']},
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{'url': '/foreignkeytarget/2/', 'name': 'target-2', 'sources': []},
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]
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self.assertEquals(new_serializer.data, expected)
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serializer.save()
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self.assertEquals(serializer.data, data)
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# Ensure target 2 is update, and everything else is as expected
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queryset = ForeignKeyTarget.objects.all()
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serializer = ForeignKeyTargetSerializer(queryset)
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expected = [
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{'url': '/foreignkeytarget/1/', 'name': 'target-1', 'sources': ['/foreignkeysource/2/']},
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{'url': '/foreignkeytarget/2/', 'name': 'target-2', 'sources': ['/foreignkeysource/1/', '/foreignkeysource/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 = {'url': '/foreignkeysource/4/', 'name': 'source-4', 'target': '/foreignkeytarget/2/'}
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serializer = ForeignKeySourceSerializer(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, 'source-4')
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# Ensure source 1 is updated, and everything else is as expected
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queryset = ForeignKeySource.objects.all()
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serializer = ForeignKeySourceSerializer(queryset)
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expected = [
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{'url': '/foreignkeysource/1/', 'name': 'source-1', 'target': '/foreignkeytarget/1/'},
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{'url': '/foreignkeysource/2/', 'name': 'source-2', 'target': '/foreignkeytarget/1/'},
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{'url': '/foreignkeysource/3/', 'name': 'source-3', 'target': '/foreignkeytarget/1/'},
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{'url': '/foreignkeysource/4/', 'name': 'source-4', 'target': '/foreignkeytarget/2/'},
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]
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self.assertEquals(serializer.data, expected)
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def test_reverse_foreign_key_create(self):
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data = {'url': '/foreignkeytarget/3/', 'name': 'target-3', 'sources': ['/foreignkeysource/1/', '/foreignkeysource/3/']}
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serializer = ForeignKeyTargetSerializer(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, 'target-3')
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# Ensure target 4 is added, and everything else is as expected
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queryset = ForeignKeyTarget.objects.all()
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serializer = ForeignKeyTargetSerializer(queryset)
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expected = [
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{'url': '/foreignkeytarget/1/', 'name': 'target-1', 'sources': ['/foreignkeysource/2/']},
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{'url': '/foreignkeytarget/2/', 'name': 'target-2', 'sources': []},
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{'url': '/foreignkeytarget/3/', 'name': 'target-3', 'sources': ['/foreignkeysource/1/', '/foreignkeysource/3/']},
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]
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self.assertEquals(serializer.data, expected)
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def test_foreign_key_update_with_invalid_null(self):
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data = {'url': '/foreignkeysource/1/', 'name': 'source-1', 'target': None}
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instance = ForeignKeySource.objects.get(pk=1)
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serializer = ForeignKeySourceSerializer(instance, data=data)
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self.assertFalse(serializer.is_valid())
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self.assertEquals(serializer.errors, {'target': ['Value may not be null']})
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class HyperlinkedNullableForeignKeyTests(TestCase):
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urls = 'rest_framework.tests.relations_hyperlink'
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def setUp(self):
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target = ForeignKeyTarget(name='target-1')
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target.save()
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for idx in range(1, 4):
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if idx == 3:
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target = None
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source = NullableForeignKeySource(name='source-%d' % idx, target=target)
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source.save()
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def test_foreign_key_retrieve_with_null(self):
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queryset = NullableForeignKeySource.objects.all()
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serializer = NullableForeignKeySourceSerializer(queryset)
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expected = [
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{'url': '/nullableforeignkeysource/1/', 'name': 'source-1', 'target': '/foreignkeytarget/1/'},
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{'url': '/nullableforeignkeysource/2/', 'name': 'source-2', 'target': '/foreignkeytarget/1/'},
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{'url': '/nullableforeignkeysource/3/', 'name': 'source-3', 'target': None},
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]
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self.assertEquals(serializer.data, expected)
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def test_foreign_key_create_with_valid_null(self):
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data = {'url': '/nullableforeignkeysource/4/', 'name': 'source-4', 'target': None}
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serializer = NullableForeignKeySourceSerializer(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, 'source-4')
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# Ensure source 4 is created, and everything else is as expected
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queryset = NullableForeignKeySource.objects.all()
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serializer = NullableForeignKeySourceSerializer(queryset)
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expected = [
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{'url': '/nullableforeignkeysource/1/', 'name': 'source-1', 'target': '/foreignkeytarget/1/'},
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{'url': '/nullableforeignkeysource/2/', 'name': 'source-2', 'target': '/foreignkeytarget/1/'},
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{'url': '/nullableforeignkeysource/3/', 'name': 'source-3', 'target': None},
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{'url': '/nullableforeignkeysource/4/', 'name': 'source-4', 'target': None}
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]
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self.assertEquals(serializer.data, expected)
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def test_foreign_key_create_with_valid_emptystring(self):
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"""
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The emptystring should be interpreted as null in the context
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of relationships.
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"""
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data = {'url': '/nullableforeignkeysource/4/', 'name': 'source-4', 'target': ''}
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expected_data = {'url': '/nullableforeignkeysource/4/', 'name': 'source-4', 'target': None}
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serializer = NullableForeignKeySourceSerializer(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, expected_data)
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self.assertEqual(obj.name, 'source-4')
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# Ensure source 4 is created, and everything else is as expected
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queryset = NullableForeignKeySource.objects.all()
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serializer = NullableForeignKeySourceSerializer(queryset)
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expected = [
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{'url': '/nullableforeignkeysource/1/', 'name': 'source-1', 'target': '/foreignkeytarget/1/'},
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{'url': '/nullableforeignkeysource/2/', 'name': 'source-2', 'target': '/foreignkeytarget/1/'},
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{'url': '/nullableforeignkeysource/3/', 'name': 'source-3', 'target': None},
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{'url': '/nullableforeignkeysource/4/', 'name': 'source-4', 'target': None}
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]
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self.assertEquals(serializer.data, expected)
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def test_foreign_key_update_with_valid_null(self):
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data = {'url': '/nullableforeignkeysource/1/', 'name': 'source-1', 'target': None}
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instance = NullableForeignKeySource.objects.get(pk=1)
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serializer = NullableForeignKeySourceSerializer(instance, data=data)
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self.assertTrue(serializer.is_valid())
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self.assertEquals(serializer.data, data)
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serializer.save()
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# Ensure source 1 is updated, and everything else is as expected
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queryset = NullableForeignKeySource.objects.all()
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serializer = NullableForeignKeySourceSerializer(queryset)
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expected = [
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{'url': '/nullableforeignkeysource/1/', 'name': 'source-1', 'target': None},
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{'url': '/nullableforeignkeysource/2/', 'name': 'source-2', 'target': '/foreignkeytarget/1/'},
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{'url': '/nullableforeignkeysource/3/', 'name': 'source-3', 'target': None},
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]
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self.assertEquals(serializer.data, expected)
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def test_foreign_key_update_with_valid_emptystring(self):
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"""
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|
The emptystring should be interpreted as null in the context
|
|
of relationships.
|
|
"""
|
|
data = {'url': '/nullableforeignkeysource/1/', 'name': 'source-1', 'target': ''}
|
|
expected_data = {'url': '/nullableforeignkeysource/1/', 'name': 'source-1', 'target': None}
|
|
instance = NullableForeignKeySource.objects.get(pk=1)
|
|
serializer = NullableForeignKeySourceSerializer(instance, data=data)
|
|
self.assertTrue(serializer.is_valid())
|
|
self.assertEquals(serializer.data, expected_data)
|
|
serializer.save()
|
|
|
|
# Ensure source 1 is updated, and everything else is as expected
|
|
queryset = NullableForeignKeySource.objects.all()
|
|
serializer = NullableForeignKeySourceSerializer(queryset)
|
|
expected = [
|
|
{'url': '/nullableforeignkeysource/1/', 'name': 'source-1', 'target': None},
|
|
{'url': '/nullableforeignkeysource/2/', 'name': 'source-2', 'target': '/foreignkeytarget/1/'},
|
|
{'url': '/nullableforeignkeysource/3/', 'name': 'source-3', 'target': None},
|
|
]
|
|
self.assertEquals(serializer.data, expected)
|
|
|
|
# reverse foreign keys MUST be read_only
|
|
# In the general case they do not provide .remove() or .clear()
|
|
# and cannot be arbitrarily set.
|
|
|
|
# def test_reverse_foreign_key_update(self):
|
|
# data = {'id': 1, 'name': 'target-1', 'sources': [1]}
|
|
# instance = ForeignKeyTarget.objects.get(pk=1)
|
|
# serializer = ForeignKeyTargetSerializer(instance, data=data)
|
|
# self.assertTrue(serializer.is_valid())
|
|
# self.assertEquals(serializer.data, data)
|
|
# serializer.save()
|
|
|
|
# # Ensure target 1 is updated, and everything else is as expected
|
|
# queryset = ForeignKeyTarget.objects.all()
|
|
# serializer = ForeignKeyTargetSerializer(queryset)
|
|
# expected = [
|
|
# {'id': 1, 'name': 'target-1', 'sources': [1]},
|
|
# {'id': 2, 'name': 'target-2', 'sources': []},
|
|
# ]
|
|
# self.assertEquals(serializer.data, expected)
|
|
|
|
|
|
class HyperlinkedNullableOneToOneTests(TestCase):
|
|
urls = 'rest_framework.tests.relations_hyperlink'
|
|
|
|
def setUp(self):
|
|
target = OneToOneTarget(name='target-1')
|
|
target.save()
|
|
new_target = OneToOneTarget(name='target-2')
|
|
new_target.save()
|
|
source = NullableOneToOneSource(name='source-1', target=target)
|
|
source.save()
|
|
|
|
def test_reverse_foreign_key_retrieve_with_null(self):
|
|
queryset = OneToOneTarget.objects.all()
|
|
serializer = NullableOneToOneTargetSerializer(queryset)
|
|
expected = [
|
|
{'url': '/onetoonetarget/1/', 'name': 'target-1', 'nullable_source': '/nullableonetoonesource/1/'},
|
|
{'url': '/onetoonetarget/2/', 'name': 'target-2', 'nullable_source': None},
|
|
]
|
|
self.assertEquals(serializer.data, expected)
|