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Merge remote-tracking branch 'reference/py3k' into p3k
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Xavier Ordoquy
parent
737349d238
commit
1e6927b40d
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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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# ManyToMany
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class ManyToManyTarget(models.Model):
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name = models.CharField(max_length=100)
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class ManyToManySource(models.Model):
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name = models.CharField(max_length=100)
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targets = models.ManyToManyField(ManyToManyTarget, related_name='sources')
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class ManyToManyTargetSerializer(serializers.ModelSerializer):
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sources = serializers.ManyPrimaryKeyRelatedField()
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class Meta:
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model = ManyToManyTarget
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class ManyToManySourceSerializer(serializers.ModelSerializer):
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class Meta:
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model = ManyToManySource
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# ForeignKey
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class ForeignKeyTarget(models.Model):
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name = models.CharField(max_length=100)
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class ForeignKeySource(models.Model):
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name = models.CharField(max_length=100)
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target = models.ForeignKey(ForeignKeyTarget, related_name='sources')
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class ForeignKeyTargetSerializer(serializers.ModelSerializer):
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sources = serializers.ManyPrimaryKeyRelatedField(read_only=True)
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class Meta:
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model = ForeignKeyTarget
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class ForeignKeySourceSerializer(serializers.ModelSerializer):
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class Meta:
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model = ForeignKeySource
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# TODO: Add test that .data cannot be accessed prior to .is_valid
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class PrimaryKeyManyToManyTests(TestCase):
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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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{'id': 1, 'name': 'source-1', 'targets': [1]},
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{'id': 2, 'name': 'source-2', 'targets': [1, 2]},
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{'id': 3, 'name': 'source-3', 'targets': [1, 2, 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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{'id': 1, 'name': 'target-1', 'sources': [1, 2, 3]},
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{'id': 2, 'name': 'target-2', 'sources': [2, 3]},
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{'id': 3, 'name': 'target-3', 'sources': [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 = {'id': 1, 'name': 'source-1', 'targets': [1, 2, 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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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 = ManyToManySource.objects.all()
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serializer = ManyToManySourceSerializer(queryset)
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expected = [
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{'id': 1, 'name': 'source-1', 'targets': [1, 2, 3]},
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{'id': 2, 'name': 'source-2', 'targets': [1, 2]},
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{'id': 3, 'name': 'source-3', 'targets': [1, 2, 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 = {'id': 1, 'name': 'target-1', 'sources': [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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self.assertEquals(serializer.data, data)
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serializer.save()
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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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{'id': 1, 'name': 'target-1', 'sources': [1]},
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{'id': 2, 'name': 'target-2', 'sources': [2, 3]},
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{'id': 3, 'name': 'target-3', 'sources': [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 = {'id': 4, 'name': 'target-4', 'sources': [1, 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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{'id': 1, 'name': 'target-1', 'sources': [1, 2, 3]},
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{'id': 2, 'name': 'target-2', 'sources': [2, 3]},
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{'id': 3, 'name': 'target-3', 'sources': [3]},
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{'id': 4, 'name': 'target-4', 'sources': [1, 3]}
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]
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self.assertEquals(serializer.data, expected)
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class PrimaryKeyForeignKeyTests(TestCase):
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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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{'id': 1, 'name': 'source-1', 'target': 1},
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{'id': 2, 'name': 'source-2', 'target': 1},
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{'id': 3, 'name': 'source-3', 'target': 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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{'id': 1, 'name': 'target-1', 'sources': [1, 2, 3]},
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{'id': 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 = {'id': 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.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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{'id': 1, 'name': 'source-1', 'target': 2},
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{'id': 2, 'name': 'source-2', 'target': 1},
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{'id': 3, 'name': 'source-3', 'target': 1}
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]
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self.assertEquals(serializer.data, expected)
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# reverse foreign keys MUST be read_only
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# In the general case they do not provide .remove() or .clear()
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# and cannot be arbitrarily set.
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# def test_reverse_foreign_key_update(self):
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# data = {'id': 1, 'name': 'target-1', 'sources': [1]}
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# instance = ForeignKeyTarget.objects.get(pk=1)
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# serializer = ForeignKeyTargetSerializer(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 target 1 is updated, 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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# {'id': 1, 'name': 'target-1', 'sources': [1]},
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# {'id': 2, 'name': 'target-2', 'sources': []},
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# ]
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# self.assertEquals(serializer.data, expected)
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