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https://github.com/encode/django-rest-framework.git
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c674687782
* Identify code that needs to be pulled out of/removed from compat.py * Extract modern code from get_names_and_managers in compat.py and remove compat code * Extract modern code from is_authenticated() in compat.py and remove. * Extract modern code from is_anonymous() in compat.py and remove * Extract modern code from get_related_model() from compat.py and remove * Extract modern code from value_from_object() in compat.py and remove * Update postgres compat JSONField now always available. * Remove DecimalValidator compat * Remove get_remote_field compat * Remove template_render compat Plus isort. * Remove set_many compat * Remove include compat
59 lines
2.0 KiB
Python
59 lines
2.0 KiB
Python
from django.contrib.auth.models import Group, User
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from django.test import TestCase
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from rest_framework import generics, serializers
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from rest_framework.test import APIRequestFactory
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factory = APIRequestFactory()
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class UserSerializer(serializers.ModelSerializer):
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class Meta:
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model = User
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fields = ('id', 'username', 'email', 'groups')
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class UserUpdate(generics.UpdateAPIView):
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queryset = User.objects.exclude(username='exclude').prefetch_related('groups')
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serializer_class = UserSerializer
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class TestPrefetchRelatedUpdates(TestCase):
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def setUp(self):
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self.user = User.objects.create(username='tom', email='tom@example.com')
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self.groups = [Group.objects.create(name='a'), Group.objects.create(name='b')]
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self.user.groups.set(self.groups)
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def test_prefetch_related_updates(self):
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view = UserUpdate.as_view()
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pk = self.user.pk
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groups_pk = self.groups[0].pk
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request = factory.put('/', {'username': 'new', 'groups': [groups_pk]}, format='json')
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response = view(request, pk=pk)
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assert User.objects.get(pk=pk).groups.count() == 1
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expected = {
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'id': pk,
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'username': 'new',
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'groups': [1],
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'email': 'tom@example.com'
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}
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assert response.data == expected
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def test_prefetch_related_excluding_instance_from_original_queryset(self):
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"""
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Regression test for https://github.com/encode/django-rest-framework/issues/4661
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"""
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view = UserUpdate.as_view()
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pk = self.user.pk
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groups_pk = self.groups[0].pk
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request = factory.put('/', {'username': 'exclude', 'groups': [groups_pk]}, format='json')
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response = view(request, pk=pk)
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assert User.objects.get(pk=pk).groups.count() == 1
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expected = {
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'id': pk,
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'username': 'exclude',
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'groups': [1],
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'email': 'tom@example.com'
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}
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assert response.data == expected
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