from __future__ import unicode_literals from django.db import models from django.test import TestCase from rest_framework import generics, serializers, status from rest_framework.tests.utils import RequestFactory from rest_framework.tests.models import BasicModel, Comment, SlugBasedModel from rest_framework.compat import six import json factory = RequestFactory() class RootView(generics.ListCreateAPIView): """ Example description for OPTIONS. """ model = BasicModel class InstanceView(generics.RetrieveUpdateDestroyAPIView): """ Example description for OPTIONS. """ model = BasicModel class SlugSerializer(serializers.ModelSerializer): slug = serializers.Field() # read only class Meta: model = SlugBasedModel exclude = ('id',) class SlugBasedInstanceView(InstanceView): """ A model with a slug-field. """ model = SlugBasedModel serializer_class = SlugSerializer class TestRootView(TestCase): 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() ] self.view = RootView.as_view() def test_get_root_view(self): """ GET requests to ListCreateAPIView should return list of objects. """ request = factory.get('/') response = self.view(request).render() self.assertEquals(response.status_code, status.HTTP_200_OK) self.assertEquals(response.data, self.data) def test_post_root_view(self): """ POST requests to ListCreateAPIView should create a new object. """ content = {'text': 'foobar'} request = factory.post('/', json.dumps(content), content_type='application/json') response = self.view(request).render() self.assertEquals(response.status_code, status.HTTP_201_CREATED) self.assertEquals(response.data, {'id': 4, 'text': 'foobar'}) created = self.objects.get(id=4) self.assertEquals(created.text, 'foobar') def test_put_root_view(self): """ PUT requests to ListCreateAPIView should not be allowed """ content = {'text': 'foobar'} request = factory.put('/', json.dumps(content), content_type='application/json') response = self.view(request).render() self.assertEquals(response.status_code, status.HTTP_405_METHOD_NOT_ALLOWED) self.assertEquals(response.data, {"detail": "Method 'PUT' not allowed."}) def test_delete_root_view(self): """ DELETE requests to ListCreateAPIView should not be allowed """ request = factory.delete('/') response = self.view(request).render() self.assertEquals(response.status_code, status.HTTP_405_METHOD_NOT_ALLOWED) self.assertEquals(response.data, {"detail": "Method 'DELETE' not allowed."}) def test_options_root_view(self): """ OPTIONS requests to ListCreateAPIView should return metadata """ request = factory.options('/') response = self.view(request).render() expected = { 'parses': [ 'application/json', 'application/x-www-form-urlencoded', 'multipart/form-data' ], 'renders': [ 'application/json', 'text/html' ], 'name': 'Root', 'description': 'Example description for OPTIONS.' } self.assertEquals(response.status_code, status.HTTP_200_OK) self.assertEquals(response.data, expected) def test_post_cannot_set_id(self): """ POST requests to create a new object should not be able to set the id. """ content = {'id': 999, 'text': 'foobar'} request = factory.post('/', json.dumps(content), content_type='application/json') response = self.view(request).render() self.assertEquals(response.status_code, status.HTTP_201_CREATED) self.assertEquals(response.data, {'id': 4, 'text': 'foobar'}) created = self.objects.get(id=4) self.assertEquals(created.text, 'foobar') class TestInstanceView(TestCase): 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() ] self.view = InstanceView.as_view() self.slug_based_view = SlugBasedInstanceView.as_view() def test_get_instance_view(self): """ GET requests to RetrieveUpdateDestroyAPIView should return a single object. """ request = factory.get('/1') response = self.view(request, pk=1).render() self.assertEquals(response.status_code, status.HTTP_200_OK) self.assertEquals(response.data, self.data[0]) def test_post_instance_view(self): """ POST requests to RetrieveUpdateDestroyAPIView should not be allowed """ content = {'text': 'foobar'} request = factory.post('/', json.dumps(content), content_type='application/json') response = self.view(request).render() self.assertEquals(response.status_code, status.HTTP_405_METHOD_NOT_ALLOWED) self.assertEquals(response.data, {"detail": "Method 'POST' not allowed."}) def test_put_instance_view(self): """ PUT requests to RetrieveUpdateDestroyAPIView should update an object. """ content = {'text': 'foobar'} request = factory.put('/1', json.dumps(content), content_type='application/json') response = self.view(request, pk='1').render() self.assertEquals(response.status_code, status.HTTP_200_OK) self.assertEquals(response.data, {'id': 1, 'text': 'foobar'}) updated = self.objects.get(id=1) self.assertEquals(updated.text, 'foobar') def test_patch_instance_view(self): """ PATCH requests to RetrieveUpdateDestroyAPIView should update an object. """ content = {'text': 'foobar'} request = factory.patch('/1', json.dumps(content), content_type='application/json') response = self.view(request, pk=1).render() self.assertEquals(response.status_code, status.HTTP_200_OK) self.assertEquals(response.data, {'id': 1, 'text': 'foobar'}) updated = self.objects.get(id=1) self.assertEquals(updated.text, 'foobar') def test_delete_instance_view(self): """ DELETE requests to RetrieveUpdateDestroyAPIView should delete an object. """ request = factory.delete('/1') response = self.view(request, pk=1).render() self.assertEquals(response.status_code, status.HTTP_204_NO_CONTENT) self.assertEquals(response.content, six.b('')) ids = [obj.id for obj in self.objects.all()] self.assertEquals(ids, [2, 3]) def test_options_instance_view(self): """ OPTIONS requests to RetrieveUpdateDestroyAPIView should return metadata """ request = factory.options('/') response = self.view(request).render() expected = { 'parses': [ 'application/json', 'application/x-www-form-urlencoded', 'multipart/form-data' ], 'renders': [ 'application/json', 'text/html' ], 'name': 'Instance', 'description': 'Example description for OPTIONS.' } self.assertEquals(response.status_code, status.HTTP_200_OK) self.assertEquals(response.data, expected) def test_put_cannot_set_id(self): """ PUT requests to create a new object should not be able to set the id. """ content = {'id': 999, 'text': 'foobar'} request = factory.put('/1', json.dumps(content), content_type='application/json') response = self.view(request, pk=1).render() self.assertEquals(response.status_code, status.HTTP_200_OK) self.assertEquals(response.data, {'id': 1, 'text': 'foobar'}) updated = self.objects.get(id=1) self.assertEquals(updated.text, 'foobar') def test_put_to_deleted_instance(self): """ PUT requests to RetrieveUpdateDestroyAPIView should create an object if it does not currently exist. """ self.objects.get(id=1).delete() content = {'text': 'foobar'} request = factory.put('/1', json.dumps(content), content_type='application/json') response = self.view(request, pk=1).render() self.assertEquals(response.status_code, status.HTTP_201_CREATED) self.assertEquals(response.data, {'id': 1, 'text': 'foobar'}) updated = self.objects.get(id=1) self.assertEquals(updated.text, 'foobar') def test_put_as_create_on_id_based_url(self): """ PUT requests to RetrieveUpdateDestroyAPIView should create an object at the requested url if it doesn't exist. """ content = {'text': 'foobar'} # pk fields can not be created on demand, only the database can set th pk for a new object request = factory.put('/5', json.dumps(content), content_type='application/json') response = self.view(request, pk=5).render() self.assertEquals(response.status_code, status.HTTP_201_CREATED) new_obj = self.objects.get(pk=5) self.assertEquals(new_obj.text, 'foobar') def test_put_as_create_on_slug_based_url(self): """ PUT requests to RetrieveUpdateDestroyAPIView should create an object at the requested url if possible, else return HTTP_403_FORBIDDEN error-response. """ content = {'text': 'foobar'} request = factory.put('/test_slug', json.dumps(content), content_type='application/json') response = self.slug_based_view(request, slug='test_slug').render() self.assertEquals(response.status_code, status.HTTP_201_CREATED) self.assertEquals(response.data, {'slug': 'test_slug', 'text': 'foobar'}) new_obj = SlugBasedModel.objects.get(slug='test_slug') self.assertEquals(new_obj.text, 'foobar') # Regression test for #285 class CommentSerializer(serializers.ModelSerializer): class Meta: model = Comment exclude = ('created',) class CommentView(generics.ListCreateAPIView): serializer_class = CommentSerializer model = Comment class TestCreateModelWithAutoNowAddField(TestCase): def setUp(self): self.objects = Comment.objects self.view = CommentView.as_view() def test_create_model_with_auto_now_add_field(self): """ Regression test for #285 https://github.com/tomchristie/django-rest-framework/issues/285 """ content = {'email': 'foobar@example.com', 'content': 'foobar'} request = factory.post('/', json.dumps(content), content_type='application/json') response = self.view(request).render() self.assertEquals(response.status_code, status.HTTP_201_CREATED) created = self.objects.get(id=1) self.assertEquals(created.content, 'foobar') # Test for particularly ugly reression with m2m in browseable API class ClassB(models.Model): name = models.CharField(max_length=255) class ClassA(models.Model): name = models.CharField(max_length=255) childs = models.ManyToManyField(ClassB, blank=True, null=True) class ClassASerializer(serializers.ModelSerializer): childs = serializers.PrimaryKeyRelatedField(many=True, source='childs') class Meta: model = ClassA class ExampleView(generics.ListCreateAPIView): serializer_class = ClassASerializer model = ClassA class TestM2MBrowseableAPI(TestCase): def test_m2m_in_browseable_api(self): """ Test for particularly ugly reression with m2m in browseable API """ request = factory.get('/', HTTP_ACCEPT='text/html') view = ExampleView().as_view() response = view(request).render() self.assertEquals(response.status_code, status.HTTP_200_OK)