diff options
Diffstat (limited to 'rest_framework/tests/generics.py')
| -rw-r--r-- | rest_framework/tests/generics.py | 105 |
1 files changed, 86 insertions, 19 deletions
diff --git a/rest_framework/tests/generics.py b/rest_framework/tests/generics.py index f564890c..15d87e86 100644 --- a/rest_framework/tests/generics.py +++ b/rest_framework/tests/generics.py @@ -1,7 +1,8 @@ from __future__ import unicode_literals from django.db import models +from django.shortcuts import get_object_or_404 from django.test import TestCase -from rest_framework import generics, serializers, status +from rest_framework import generics, renderers, serializers, status from rest_framework.tests.utils import RequestFactory from rest_framework.tests.models import BasicModel, Comment, SlugBasedModel from rest_framework.compat import six @@ -38,6 +39,7 @@ class SlugBasedInstanceView(InstanceView): """ model = SlugBasedModel serializer_class = SlugSerializer + lookup_field = 'slug' class TestRootView(TestCase): @@ -302,6 +304,47 @@ class TestInstanceView(TestCase): self.assertEqual(new_obj.text, 'foobar') +class TestOverriddenGetObject(TestCase): + """ + Test cases for a RetrieveUpdateDestroyAPIView that does NOT use the + queryset/model mechanism but instead overrides get_object() + """ + def setUp(self): + """ + Create 3 BasicModel intances. + """ + items = ['foo', 'bar', 'baz'] + for item in items: + BasicModel(text=item).save() + self.objects = BasicModel.objects + self.data = [ + {'id': obj.id, 'text': obj.text} + for obj in self.objects.all() + ] + + class OverriddenGetObjectView(generics.RetrieveUpdateDestroyAPIView): + """ + Example detail view for override of get_object(). + """ + model = BasicModel + + def get_object(self): + pk = int(self.kwargs['pk']) + return get_object_or_404(BasicModel.objects.all(), id=pk) + + self.view = OverriddenGetObjectView.as_view() + + def test_overridden_get_object_view(self): + """ + GET requests to RetrieveUpdateDestroyAPIView should return a single object. + """ + request = factory.get('/1') + with self.assertNumQueries(1): + response = self.view(request, pk=1).render() + self.assertEqual(response.status_code, status.HTTP_200_OK) + self.assertEqual(response.data, self.data[0]) + + # Regression test for #285 class CommentSerializer(serializers.ModelSerializer): @@ -335,7 +378,7 @@ class TestCreateModelWithAutoNowAddField(TestCase): self.assertEqual(created.content, 'foobar') -# Test for particularly ugly regression with m2m in browseable API +# Test for particularly ugly regression with m2m in browsable API class ClassB(models.Model): name = models.CharField(max_length=255) @@ -360,7 +403,7 @@ class ExampleView(generics.ListCreateAPIView): class TestM2MBrowseableAPI(TestCase): def test_m2m_in_browseable_api(self): """ - Test for particularly ugly regression with m2m in browseable API + Test for particularly ugly regression with m2m in browsable API """ request = factory.get('/', HTTP_ACCEPT='text/html') view = ExampleView().as_view() @@ -392,22 +435,14 @@ class TestFilterBackendAppliedToViews(TestCase): {'id': obj.id, 'text': obj.text} for obj in self.objects.all() ] - self.root_view = RootView.as_view() - self.instance_view = InstanceView.as_view() - self.original_root_backend = getattr(RootView, 'filter_backend') - self.original_instance_backend = getattr(InstanceView, 'filter_backend') - - def tearDown(self): - setattr(RootView, 'filter_backend', self.original_root_backend) - setattr(InstanceView, 'filter_backend', self.original_instance_backend) def test_get_root_view_filters_by_name_with_filter_backend(self): """ GET requests to ListCreateAPIView should return filtered list. """ - setattr(RootView, 'filter_backend', InclusiveFilterBackend) + root_view = RootView.as_view(filter_backends=(InclusiveFilterBackend,)) request = factory.get('/') - response = self.root_view(request).render() + response = root_view(request).render() self.assertEqual(response.status_code, status.HTTP_200_OK) self.assertEqual(len(response.data), 1) self.assertEqual(response.data, [{'id': 1, 'text': 'foo'}]) @@ -416,9 +451,9 @@ class TestFilterBackendAppliedToViews(TestCase): """ GET requests to ListCreateAPIView should return empty list when all models are filtered out. """ - setattr(RootView, 'filter_backend', ExclusiveFilterBackend) + root_view = RootView.as_view(filter_backends=(ExclusiveFilterBackend,)) request = factory.get('/') - response = self.root_view(request).render() + response = root_view(request).render() self.assertEqual(response.status_code, status.HTTP_200_OK) self.assertEqual(response.data, []) @@ -426,9 +461,9 @@ class TestFilterBackendAppliedToViews(TestCase): """ GET requests to RetrieveUpdateDestroyAPIView should raise 404 when model filtered out. """ - setattr(InstanceView, 'filter_backend', ExclusiveFilterBackend) + instance_view = InstanceView.as_view(filter_backends=(ExclusiveFilterBackend,)) request = factory.get('/1') - response = self.instance_view(request, pk=1).render() + response = instance_view(request, pk=1).render() self.assertEqual(response.status_code, status.HTTP_404_NOT_FOUND) self.assertEqual(response.data, {'detail': 'Not found'}) @@ -436,8 +471,40 @@ class TestFilterBackendAppliedToViews(TestCase): """ GET requests to RetrieveUpdateDestroyAPIView should return a single object when not excluded """ - setattr(InstanceView, 'filter_backend', InclusiveFilterBackend) + instance_view = InstanceView.as_view(filter_backends=(InclusiveFilterBackend,)) request = factory.get('/1') - response = self.instance_view(request, pk=1).render() + response = instance_view(request, pk=1).render() self.assertEqual(response.status_code, status.HTTP_200_OK) self.assertEqual(response.data, {'id': 1, 'text': 'foo'}) + + +class TwoFieldModel(models.Model): + field_a = models.CharField(max_length=100) + field_b = models.CharField(max_length=100) + + +class DynamicSerializerView(generics.ListCreateAPIView): + model = TwoFieldModel + renderer_classes = (renderers.BrowsableAPIRenderer, renderers.JSONRenderer) + + def get_serializer_class(self): + if self.request.method == 'POST': + class DynamicSerializer(serializers.ModelSerializer): + class Meta: + model = TwoFieldModel + fields = ('field_b',) + return DynamicSerializer + return super(DynamicSerializerView, self).get_serializer_class() + + +class TestFilterBackendAppliedToViews(TestCase): + + def test_dynamic_serializer_form_in_browsable_api(self): + """ + GET requests to ListCreateAPIView should return filtered list. + """ + view = DynamicSerializerView.as_view() + request = factory.get('/') + response = view(request).render() + self.assertContains(response, 'field_b') + self.assertNotContains(response, 'field_a') |