# from __future__ import unicode_literals
# import json
# from django.test import TestCase
# from rest_framework import generics, status, serializers
# from django.conf.urls import patterns, url
# from rest_framework.settings import api_settings
# from rest_framework.test import APIRequestFactory
# from tests.models import (
#     Anchor, BasicModel, ManyToManyModel, BlogPost, BlogPostComment,
#     Album, Photo, OptionalRelationModel
# )

# factory = APIRequestFactory()


# class BlogPostCommentSerializer(serializers.ModelSerializer):
#     url = serializers.HyperlinkedIdentityField(view_name='blogpostcomment-detail')
#     text = serializers.CharField()
#     blog_post_url = serializers.HyperlinkedRelatedField(source='blog_post', view_name='blogpost-detail')

#     class Meta:
#         model = BlogPostComment
#         fields = ('text', 'blog_post_url', 'url')


# class PhotoSerializer(serializers.Serializer):
#     description = serializers.CharField()
#     album_url = serializers.HyperlinkedRelatedField(source='album', view_name='album-detail', queryset=Album.objects.all(), lookup_field='title')

#     def restore_object(self, attrs, instance=None):
#         return Photo(**attrs)


# class AlbumSerializer(serializers.ModelSerializer):
#     url = serializers.HyperlinkedIdentityField(view_name='album-detail', lookup_field='title')

#     class Meta:
#         model = Album
#         fields = ('title', 'url')


# class BasicSerializer(serializers.HyperlinkedModelSerializer):
#     class Meta:
#         model = BasicModel


# class AnchorSerializer(serializers.HyperlinkedModelSerializer):
#     class Meta:
#         model = Anchor


# class ManyToManySerializer(serializers.HyperlinkedModelSerializer):
#     class Meta:
#         model = ManyToManyModel


# class BlogPostSerializer(serializers.ModelSerializer):
#     class Meta:
#         model = BlogPost


# class OptionalRelationSerializer(serializers.HyperlinkedModelSerializer):
#     class Meta:
#         model = OptionalRelationModel


# class BasicList(generics.ListCreateAPIView):
#     queryset = BasicModel.objects.all()
#     serializer_class = BasicSerializer


# class BasicDetail(generics.RetrieveUpdateDestroyAPIView):
#     queryset = BasicModel.objects.all()
#     serializer_class = BasicSerializer


# class AnchorDetail(generics.RetrieveAPIView):
#     queryset = Anchor.objects.all()
#     serializer_class = AnchorSerializer


# class ManyToManyList(generics.ListAPIView):
#     queryset = ManyToManyModel.objects.all()
#     serializer_class = ManyToManySerializer


# class ManyToManyDetail(generics.RetrieveAPIView):
#     queryset = ManyToManyModel.objects.all()
#     serializer_class = ManyToManySerializer


# class BlogPostCommentListCreate(generics.ListCreateAPIView):
#     queryset = BlogPostComment.objects.all()
#     serializer_class = BlogPostCommentSerializer


# class BlogPostCommentDetail(generics.RetrieveAPIView):
#     queryset = BlogPostComment.objects.all()
#     serializer_class = BlogPostCommentSerializer


# class BlogPostDetail(generics.RetrieveAPIView):
#     queryset = BlogPost.objects.all()
#     serializer_class = BlogPostSerializer


# class PhotoListCreate(generics.ListCreateAPIView):
#     queryset = Photo.objects.all()
#     serializer_class = PhotoSerializer


# class AlbumDetail(generics.RetrieveAPIView):
#     queryset = Album.objects.all()
#     serializer_class = AlbumSerializer
#     lookup_field = 'title'


# class OptionalRelationDetail(generics.RetrieveUpdateDestroyAPIView):
#     queryset = OptionalRelationModel.objects.all()
#     serializer_class = OptionalRelationSerializer


# urlpatterns = patterns(
#     '',
#     url(r'^basic/$', BasicList.as_view(), name='basicmodel-list'),
#     url(r'^basic/(?P<pk>\d+)/$', BasicDetail.as_view(), name='basicmodel-detail'),
#     url(r'^anchor/(?P<pk>\d+)/$', AnchorDetail.as_view(), name='anchor-detail'),
#     url(r'^manytomany/$', ManyToManyList.as_view(), name='manytomanymodel-list'),
#     url(r'^manytomany/(?P<pk>\d+)/$', ManyToManyDetail.as_view(), name='manytomanymodel-detail'),
#     url(r'^posts/(?P<pk>\d+)/$', BlogPostDetail.as_view(), name='blogpost-detail'),
#     url(r'^comments/$', BlogPostCommentListCreate.as_view(), name='blogpostcomment-list'),
#     url(r'^comments/(?P<pk>\d+)/$', BlogPostCommentDetail.as_view(), name='blogpostcomment-detail'),
#     url(r'^albums/(?P<title>\w[\w-]*)/$', AlbumDetail.as_view(), name='album-detail'),
#     url(r'^photos/$', PhotoListCreate.as_view(), name='photo-list'),
#     url(r'^optionalrelation/(?P<pk>\d+)/$', OptionalRelationDetail.as_view(), name='optionalrelationmodel-detail'),
# )


# class TestBasicHyperlinkedView(TestCase):
#     urls = 'tests.test_hyperlinkedserializers'

#     def setUp(self):
#         """
#         Create 3 BasicModel instances.
#         """
#         items = ['foo', 'bar', 'baz']
#         for item in items:
#             BasicModel(text=item).save()
#         self.objects = BasicModel.objects
#         self.data = [
#             {'url': 'http://testserver/basic/%d/' % obj.id, 'text': obj.text}
#             for obj in self.objects.all()
#         ]
#         self.list_view = BasicList.as_view()
#         self.detail_view = BasicDetail.as_view()

#     def test_get_list_view(self):
#         """
#         GET requests to ListCreateAPIView should return list of objects.
#         """
#         request = factory.get('/basic/')
#         response = self.list_view(request).render()
#         self.assertEqual(response.status_code, status.HTTP_200_OK)
#         self.assertEqual(response.data, self.data)

#     def test_get_detail_view(self):
#         """
#         GET requests to ListCreateAPIView should return list of objects.
#         """
#         request = factory.get('/basic/1')
#         response = self.detail_view(request, pk=1).render()
#         self.assertEqual(response.status_code, status.HTTP_200_OK)
#         self.assertEqual(response.data, self.data[0])


# class TestManyToManyHyperlinkedView(TestCase):
#     urls = 'tests.test_hyperlinkedserializers'

#     def setUp(self):
#         """
#         Create 3 BasicModel instances.
#         """
#         items = ['foo', 'bar', 'baz']
#         anchors = []
#         for item in items:
#             anchor = Anchor(text=item)
#             anchor.save()
#             anchors.append(anchor)

#         manytomany = ManyToManyModel()
#         manytomany.save()
#         manytomany.rel.add(*anchors)

#         self.data = [{
#             'url': 'http://testserver/manytomany/1/',
#             'rel': [
#                 'http://testserver/anchor/1/',
#                 'http://testserver/anchor/2/',
#                 'http://testserver/anchor/3/',
#             ]
#         }]
#         self.list_view = ManyToManyList.as_view()
#         self.detail_view = ManyToManyDetail.as_view()

#     def test_get_list_view(self):
#         """
#         GET requests to ListCreateAPIView should return list of objects.
#         """
#         request = factory.get('/manytomany/')
#         response = self.list_view(request)
#         self.assertEqual(response.status_code, status.HTTP_200_OK)
#         self.assertEqual(response.data, self.data)

#     def test_get_detail_view(self):
#         """
#         GET requests to ListCreateAPIView should return list of objects.
#         """
#         request = factory.get('/manytomany/1/')
#         response = self.detail_view(request, pk=1)
#         self.assertEqual(response.status_code, status.HTTP_200_OK)
#         self.assertEqual(response.data, self.data[0])


# class TestHyperlinkedIdentityFieldLookup(TestCase):
#     urls = 'tests.test_hyperlinkedserializers'

#     def setUp(self):
#         """
#         Create 3 Album instances.
#         """
#         titles = ['foo', 'bar', 'baz']
#         for title in titles:
#             album = Album(title=title)
#             album.save()
#         self.detail_view = AlbumDetail.as_view()
#         self.data = {
#             'foo': {'title': 'foo', 'url': 'http://testserver/albums/foo/'},
#             'bar': {'title': 'bar', 'url': 'http://testserver/albums/bar/'},
#             'baz': {'title': 'baz', 'url': 'http://testserver/albums/baz/'}
#         }

#     def test_lookup_field(self):
#         """
#         GET requests to AlbumDetail view should return serialized Albums
#         with a url field keyed by `title`.
#         """
#         for album in Album.objects.all():
#             request = factory.get('/albums/{0}/'.format(album.title))
#             response = self.detail_view(request, title=album.title)
#             self.assertEqual(response.status_code, status.HTTP_200_OK)
#             self.assertEqual(response.data, self.data[album.title])


# class TestCreateWithForeignKeys(TestCase):
#     urls = 'tests.test_hyperlinkedserializers'

#     def setUp(self):
#         """
#         Create a blog post
#         """
#         self.post = BlogPost.objects.create(title="Test post")
#         self.create_view = BlogPostCommentListCreate.as_view()

#     def test_create_comment(self):

#         data = {
#             'text': 'A test comment',
#             'blog_post_url': 'http://testserver/posts/1/'
#         }

#         request = factory.post('/comments/', data=data)
#         response = self.create_view(request)
#         self.assertEqual(response.status_code, status.HTTP_201_CREATED)
#         self.assertEqual(response['Location'], 'http://testserver/comments/1/')
#         self.assertEqual(self.post.blogpostcomment_set.count(), 1)
#         self.assertEqual(self.post.blogpostcomment_set.all()[0].text, 'A test comment')


# class TestCreateWithForeignKeysAndCustomSlug(TestCase):
#     urls = 'tests.test_hyperlinkedserializers'

#     def setUp(self):
#         """
#         Create an Album
#         """
#         self.post = Album.objects.create(title='test-album')
#         self.list_create_view = PhotoListCreate.as_view()

#     def test_create_photo(self):

#         data = {
#             'description': 'A test photo',
#             'album_url': 'http://testserver/albums/test-album/'
#         }

#         request = factory.post('/photos/', data=data)
#         response = self.list_create_view(request)
#         self.assertEqual(response.status_code, status.HTTP_201_CREATED)
#         self.assertNotIn('Location', response, msg='Location should only be included if there is a "url" field on the serializer')
#         self.assertEqual(self.post.photo_set.count(), 1)
#         self.assertEqual(self.post.photo_set.all()[0].description, 'A test photo')


# class TestOptionalRelationHyperlinkedView(TestCase):
#     urls = 'tests.test_hyperlinkedserializers'

#     def setUp(self):
#         """
#         Create 1 OptionalRelationModel instances.
#         """
#         OptionalRelationModel().save()
#         self.objects = OptionalRelationModel.objects
#         self.detail_view = OptionalRelationDetail.as_view()
#         self.data = {"url": "http://testserver/optionalrelation/1/", "other": None}

#     def test_get_detail_view(self):
#         """
#         GET requests to RetrieveAPIView with optional relations should return None
#         for non existing relations.
#         """
#         request = factory.get('/optionalrelationmodel-detail/1')
#         response = self.detail_view(request, pk=1)
#         self.assertEqual(response.status_code, status.HTTP_200_OK)
#         self.assertEqual(response.data, self.data)

#     def test_put_detail_view(self):
#         """
#         PUT requests to RetrieveUpdateDestroyAPIView with optional relations
#         should accept None for non existing relations.
#         """
#         response = self.client.put('/optionalrelation/1/',
#                                    data=json.dumps(self.data),
#                                    content_type='application/json')
#         self.assertEqual(response.status_code, status.HTTP_200_OK)


# class TestOverriddenURLField(TestCase):
#     def setUp(self):
#         class OverriddenURLSerializer(serializers.HyperlinkedModelSerializer):
#             url = serializers.SerializerMethodField('get_url')

#             class Meta:
#                 model = BlogPost
#                 fields = ('title', 'url')

#             def get_url(self, obj):
#                 return 'foo bar'

#         self.Serializer = OverriddenURLSerializer
#         self.obj = BlogPost.objects.create(title='New blog post')

#     def test_overridden_url_field(self):
#         """
#         The 'url' field should respect overriding.
#         Regression test for #936.
#         """
#         serializer = self.Serializer(self.obj)
#         self.assertEqual(
#             serializer.data,
#             {'title': 'New blog post', 'url': 'foo bar'}
#         )


# class TestURLFieldNameBySettings(TestCase):
#     urls = 'tests.test_hyperlinkedserializers'

#     def setUp(self):
#         self.saved_url_field_name = api_settings.URL_FIELD_NAME
#         api_settings.URL_FIELD_NAME = 'global_url_field'

#         class Serializer(serializers.HyperlinkedModelSerializer):

#             class Meta:
#                 model = BlogPost
#                 fields = ('title', api_settings.URL_FIELD_NAME)

#         self.Serializer = Serializer
#         self.obj = BlogPost.objects.create(title="New blog post")

#     def tearDown(self):
#         api_settings.URL_FIELD_NAME = self.saved_url_field_name

#     def test_overridden_url_field_name(self):
#         request = factory.get('/posts/')
#         serializer = self.Serializer(self.obj, context={'request': request})
#         self.assertIn(api_settings.URL_FIELD_NAME, serializer.data)


# class TestURLFieldNameByOptions(TestCase):
#     urls = 'tests.test_hyperlinkedserializers'

#     def setUp(self):
#         class Serializer(serializers.HyperlinkedModelSerializer):

#             class Meta:
#                 model = BlogPost
#                 fields = ('title', 'serializer_url_field')
#                 url_field_name = 'serializer_url_field'

#         self.Serializer = Serializer
#         self.obj = BlogPost.objects.create(title="New blog post")

#     def test_overridden_url_field_name(self):
#         request = factory.get('/posts/')
#         serializer = self.Serializer(self.obj, context={'request': request})
#         self.assertIn(self.Serializer.Meta.url_field_name, serializer.data)