Merge branch 'master' into resources-routers

8 files changed, 650 insertions, 98 deletions

diff --git a/rest_framework/tests/authentication.py b/rest_framework/tests/authentication.py
index b663ca48..8e6d3e51 100644
--- a/rest_framework/tests/authentication.py
+++ b/rest_framework/tests/authentication.py
@@ -466,17 +466,13 @@ class OAuth2Tests(TestCase):
     def _create_authorization_header(self, token=None):
         return "Bearer {0}".format(token or self.access_token.token)
 
-    def _client_credentials_params(self):
-        return {'client_id': self.CLIENT_ID, 'client_secret': self.CLIENT_SECRET}
-
     @unittest.skipUnless(oauth2_provider, 'django-oauth2-provider not installed')
     def test_get_form_with_wrong_authorization_header_token_type_failing(self):
         """Ensure that a wrong token type lead to the correct HTTP error status code"""
         auth = "Wrong token-type-obsviously"
         response = self.csrf_client.get('/oauth2-test/', {}, HTTP_AUTHORIZATION=auth)
         self.assertEqual(response.status_code, 401)
-        params = self._client_credentials_params()
-        response = self.csrf_client.get('/oauth2-test/', params, HTTP_AUTHORIZATION=auth)
+        response = self.csrf_client.get('/oauth2-test/', HTTP_AUTHORIZATION=auth)
         self.assertEqual(response.status_code, 401)
 
     @unittest.skipUnless(oauth2_provider, 'django-oauth2-provider not installed')
@@ -485,8 +481,7 @@ class OAuth2Tests(TestCase):
         auth = "Bearer wrong token format"
         response = self.csrf_client.get('/oauth2-test/', {}, HTTP_AUTHORIZATION=auth)
         self.assertEqual(response.status_code, 401)
-        params = self._client_credentials_params()
-        response = self.csrf_client.get('/oauth2-test/', params, HTTP_AUTHORIZATION=auth)
+        response = self.csrf_client.get('/oauth2-test/', HTTP_AUTHORIZATION=auth)
         self.assertEqual(response.status_code, 401)
 
     @unittest.skipUnless(oauth2_provider, 'django-oauth2-provider not installed')
@@ -495,33 +490,21 @@ class OAuth2Tests(TestCase):
         auth = "Bearer wrong-token"
         response = self.csrf_client.get('/oauth2-test/', {}, HTTP_AUTHORIZATION=auth)
         self.assertEqual(response.status_code, 401)
-        params = self._client_credentials_params()
-        response = self.csrf_client.get('/oauth2-test/', params, HTTP_AUTHORIZATION=auth)
-        self.assertEqual(response.status_code, 401)
-
-    @unittest.skipUnless(oauth2_provider, 'django-oauth2-provider not installed')
-    def test_get_form_with_wrong_client_data_failing_auth(self):
-        """Ensure GETing form over OAuth with incorrect client credentials fails"""
-        auth = self._create_authorization_header()
-        params = self._client_credentials_params()
-        params['client_id'] += 'a'
-        response = self.csrf_client.get('/oauth2-test/', params, HTTP_AUTHORIZATION=auth)
+        response = self.csrf_client.get('/oauth2-test/', HTTP_AUTHORIZATION=auth)
         self.assertEqual(response.status_code, 401)
 
     @unittest.skipUnless(oauth2_provider, 'django-oauth2-provider not installed')
     def test_get_form_passing_auth(self):
         """Ensure GETing form over OAuth with correct client credentials succeed"""
         auth = self._create_authorization_header()
-        params = self._client_credentials_params()
-        response = self.csrf_client.get('/oauth2-test/', params, HTTP_AUTHORIZATION=auth)
+        response = self.csrf_client.get('/oauth2-test/', HTTP_AUTHORIZATION=auth)
         self.assertEqual(response.status_code, 200)
 
     @unittest.skipUnless(oauth2_provider, 'django-oauth2-provider not installed')
     def test_post_form_passing_auth(self):
         """Ensure POSTing form over OAuth with correct credentials passes and does not require CSRF"""
         auth = self._create_authorization_header()
-        params = self._client_credentials_params()
-        response = self.csrf_client.post('/oauth2-test/', params, HTTP_AUTHORIZATION=auth)
+        response = self.csrf_client.post('/oauth2-test/', HTTP_AUTHORIZATION=auth)
         self.assertEqual(response.status_code, 200)
 
     @unittest.skipUnless(oauth2_provider, 'django-oauth2-provider not installed')
@@ -529,16 +512,14 @@ class OAuth2Tests(TestCase):
         """Ensure POSTing when there is no OAuth access token in db fails"""
         self.access_token.delete()
         auth = self._create_authorization_header()
-        params = self._client_credentials_params()
-        response = self.csrf_client.post('/oauth2-test/', params, HTTP_AUTHORIZATION=auth)
+        response = self.csrf_client.post('/oauth2-test/', HTTP_AUTHORIZATION=auth)
         self.assertIn(response.status_code, (status.HTTP_401_UNAUTHORIZED, status.HTTP_403_FORBIDDEN))
 
     @unittest.skipUnless(oauth2_provider, 'django-oauth2-provider not installed')
     def test_post_form_with_refresh_token_failing_auth(self):
         """Ensure POSTing with refresh token instead of access token fails"""
         auth = self._create_authorization_header(token=self.refresh_token.token)
-        params = self._client_credentials_params()
-        response = self.csrf_client.post('/oauth2-test/', params, HTTP_AUTHORIZATION=auth)
+        response = self.csrf_client.post('/oauth2-test/', HTTP_AUTHORIZATION=auth)
         self.assertIn(response.status_code, (status.HTTP_401_UNAUTHORIZED, status.HTTP_403_FORBIDDEN))
 
     @unittest.skipUnless(oauth2_provider, 'django-oauth2-provider not installed')
@@ -547,8 +528,7 @@ class OAuth2Tests(TestCase):
         self.access_token.expires = datetime.datetime.now() - datetime.timedelta(seconds=10)  # 10 seconds late
         self.access_token.save()
         auth = self._create_authorization_header()
-        params = self._client_credentials_params()
-        response = self.csrf_client.post('/oauth2-test/', params, HTTP_AUTHORIZATION=auth)
+        response = self.csrf_client.post('/oauth2-test/', HTTP_AUTHORIZATION=auth)
         self.assertIn(response.status_code, (status.HTTP_401_UNAUTHORIZED, status.HTTP_403_FORBIDDEN))
         self.assertIn('Invalid token', response.content)
 
@@ -559,10 +539,9 @@ class OAuth2Tests(TestCase):
         read_only_access_token.scope = oauth2_provider_scope.SCOPE_NAME_DICT['read']
         read_only_access_token.save()
         auth = self._create_authorization_header(token=read_only_access_token.token)
-        params = self._client_credentials_params()
-        response = self.csrf_client.get('/oauth2-with-scope-test/', params, HTTP_AUTHORIZATION=auth)
+        response = self.csrf_client.get('/oauth2-with-scope-test/', HTTP_AUTHORIZATION=auth)
         self.assertEqual(response.status_code, 200)
-        response = self.csrf_client.post('/oauth2-with-scope-test/', params, HTTP_AUTHORIZATION=auth)
+        response = self.csrf_client.post('/oauth2-with-scope-test/', HTTP_AUTHORIZATION=auth)
         self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
 
     @unittest.skipUnless(oauth2_provider, 'django-oauth2-provider not installed')
@@ -572,6 +551,5 @@ class OAuth2Tests(TestCase):
         read_write_access_token.scope = oauth2_provider_scope.SCOPE_NAME_DICT['write']
         read_write_access_token.save()
         auth = self._create_authorization_header(token=read_write_access_token.token)
-        params = self._client_credentials_params()
-        response = self.csrf_client.post('/oauth2-with-scope-test/', params, HTTP_AUTHORIZATION=auth)
+        response = self.csrf_client.post('/oauth2-with-scope-test/', HTTP_AUTHORIZATION=auth)
         self.assertEqual(response.status_code, 200)
diff --git a/rest_framework/tests/fields.py b/rest_framework/tests/fields.py
index fd6de779..19c663d8 100644
--- a/rest_framework/tests/fields.py
+++ b/rest_framework/tests/fields.py
@@ -153,12 +153,22 @@ class DateFieldTest(TestCase):
 
     def test_to_native(self):
         """
-        Make sure to_native() returns isoformat as default.
+        Make sure to_native() returns datetime as default.
         """
         f = serializers.DateField()
 
         result_1 = f.to_native(datetime.date(1984, 7, 31))
 
+        self.assertEqual(datetime.date(1984, 7, 31), result_1)
+
+    def test_to_native_iso(self):
+        """
+        Make sure to_native() with 'iso-8601' returns iso formated date.
+        """
+        f = serializers.DateField(format='iso-8601')
+
+        result_1 = f.to_native(datetime.date(1984, 7, 31))
+
         self.assertEqual('1984-07-31', result_1)
 
     def test_to_native_custom_format(self):
@@ -289,6 +299,22 @@ class DateTimeFieldTest(TestCase):
         result_3 = f.to_native(datetime.datetime(1984, 7, 31, 4, 31, 59))
         result_4 = f.to_native(datetime.datetime(1984, 7, 31, 4, 31, 59, 200))
 
+        self.assertEqual(datetime.datetime(1984, 7, 31), result_1)
+        self.assertEqual(datetime.datetime(1984, 7, 31, 4, 31), result_2)
+        self.assertEqual(datetime.datetime(1984, 7, 31, 4, 31, 59), result_3)
+        self.assertEqual(datetime.datetime(1984, 7, 31, 4, 31, 59, 200), result_4)
+
+    def test_to_native_iso(self):
+        """
+        Make sure to_native() with format=iso-8601 returns iso formatted datetime.
+        """
+        f = serializers.DateTimeField(format='iso-8601')
+
+        result_1 = f.to_native(datetime.datetime(1984, 7, 31))
+        result_2 = f.to_native(datetime.datetime(1984, 7, 31, 4, 31))
+        result_3 = f.to_native(datetime.datetime(1984, 7, 31, 4, 31, 59))
+        result_4 = f.to_native(datetime.datetime(1984, 7, 31, 4, 31, 59, 200))
+
         self.assertEqual('1984-07-31T00:00:00', result_1)
         self.assertEqual('1984-07-31T04:31:00', result_2)
         self.assertEqual('1984-07-31T04:31:59', result_3)
@@ -419,13 +445,26 @@ class TimeFieldTest(TestCase):
 
     def test_to_native(self):
         """
-        Make sure to_native() returns isoformat as default.
+        Make sure to_native() returns time object as default.
         """
         f = serializers.TimeField()
         result_1 = f.to_native(datetime.time(4, 31))
         result_2 = f.to_native(datetime.time(4, 31, 59))
         result_3 = f.to_native(datetime.time(4, 31, 59, 200))
 
+        self.assertEqual(datetime.time(4, 31), result_1)
+        self.assertEqual(datetime.time(4, 31, 59), result_2)
+        self.assertEqual(datetime.time(4, 31, 59, 200), result_3)
+
+    def test_to_native_iso(self):
+        """
+        Make sure to_native() with format='iso-8601' returns iso formatted time.
+        """
+        f = serializers.TimeField(format='iso-8601')
+        result_1 = f.to_native(datetime.time(4, 31))
+        result_2 = f.to_native(datetime.time(4, 31, 59))
+        result_3 = f.to_native(datetime.time(4, 31, 59, 200))
+
         self.assertEqual('04:31:00', result_1)
         self.assertEqual('04:31:59', result_2)
         self.assertEqual('04:31:59.000200', result_3)
diff --git a/rest_framework/tests/filterset.py b/rest_framework/tests/filterset.py
index fe92e0bc..1a71558c 100644
--- a/rest_framework/tests/filterset.py
+++ b/rest_framework/tests/filterset.py
@@ -1,11 +1,12 @@
 from __future__ import unicode_literals
 import datetime
 from decimal import Decimal
+from django.core.urlresolvers import reverse
 from django.test import TestCase
 from django.test.client import RequestFactory
 from django.utils import unittest
 from rest_framework import generics, status, filters
-from rest_framework.compat import django_filters
+from rest_framework.compat import django_filters, patterns, url
 from rest_framework.tests.models import FilterableItem, BasicModel
 
 factory = RequestFactory()
@@ -46,12 +47,21 @@ if django_filters:
         filter_class = MisconfiguredFilter
         filter_backend = filters.DjangoFilterBackend
 
+    class FilterClassDetailView(generics.RetrieveAPIView):
+        model = FilterableItem
+        filter_class = SeveralFieldsFilter
+        filter_backend = filters.DjangoFilterBackend
+
+    urlpatterns = patterns('',
+        url(r'^(?P<pk>\d+)/$', FilterClassDetailView.as_view(), name='detail-view'),
+        url(r'^$', FilterClassRootView.as_view(), name='root-view'),
+    )
 
-class IntegrationTestFiltering(TestCase):
-    """
-    Integration tests for filtered list views.
-    """
 
+class CommonFilteringTestCase(TestCase):
+    def _serialize_object(self, obj):
+        return {'id': obj.id, 'text': obj.text, 'decimal': obj.decimal, 'date': obj.date}
+    
     def setUp(self):
         """
         Create 10 FilterableItem instances.
@@ -65,10 +75,16 @@ class IntegrationTestFiltering(TestCase):
 
         self.objects = FilterableItem.objects
         self.data = [
-            {'id': obj.id, 'text': obj.text, 'decimal': obj.decimal, 'date': obj.date.isoformat()}
+            self._serialize_object(obj)
             for obj in self.objects.all()
         ]
 
+
+class IntegrationTestFiltering(CommonFilteringTestCase):
+    """
+    Integration tests for filtered list views.
+    """
+
     @unittest.skipUnless(django_filters, 'django-filters not installed')
     def test_get_filtered_fields_root_view(self):
         """
@@ -95,7 +111,7 @@ class IntegrationTestFiltering(TestCase):
         request = factory.get('/?date=%s' % search_date)  # search_date str: '2012-09-22'
         response = view(request).render()
         self.assertEqual(response.status_code, status.HTTP_200_OK)
-        expected_data = [f for f in self.data if datetime.datetime.strptime(f['date'], '%Y-%m-%d').date() == search_date]
+        expected_data = [f for f in self.data if f['date'] == search_date]
         self.assertEqual(response.data, expected_data)
 
     @unittest.skipUnless(django_filters, 'django-filters not installed')
@@ -125,7 +141,7 @@ class IntegrationTestFiltering(TestCase):
         request = factory.get('/?date=%s' % search_date)  # search_date str: '2012-10-02'
         response = view(request).render()
         self.assertEqual(response.status_code, status.HTTP_200_OK)
-        expected_data = [f for f in self.data if datetime.datetime.strptime(f['date'], '%Y-%m-%d').date() > search_date]
+        expected_data = [f for f in self.data if f['date'] > search_date]
         self.assertEqual(response.data, expected_data)
 
         # Tests that the text filter set with 'icontains' in the filter class works.
@@ -142,8 +158,7 @@ class IntegrationTestFiltering(TestCase):
         request = factory.get('/?decimal=%s&date=%s' % (search_decimal, search_date))
         response = view(request).render()
         self.assertEqual(response.status_code, status.HTTP_200_OK)
-        expected_data = [f for f in self.data if
-                         datetime.datetime.strptime(f['date'], '%Y-%m-%d').date() > search_date and
+        expected_data = [f for f in self.data if f['date'] > search_date and
                          f['decimal'] < search_decimal]
         self.assertEqual(response.data, expected_data)
 
@@ -168,3 +183,50 @@ class IntegrationTestFiltering(TestCase):
         request = factory.get('/?integer=%s' % search_integer)
         response = view(request).render()
         self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+
+class IntegrationTestDetailFiltering(CommonFilteringTestCase):
+    """
+    Integration tests for filtered detail views.
+    """
+    urls = 'rest_framework.tests.filterset'
+    
+    def _get_url(self, item):
+        return reverse('detail-view', kwargs=dict(pk=item.pk))
+
+    @unittest.skipUnless(django_filters, 'django-filters not installed')
+    def test_get_filtered_detail_view(self):
+        """
+        GET requests to filtered RetrieveAPIView that have a filter_class set
+        should return filtered results.
+        """
+        item = self.objects.all()[0]
+        data = self._serialize_object(item)
+
+        # Basic test with no filter.
+        response = self.client.get(self._get_url(item))
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(response.data, data)
+
+        # Tests that the decimal filter set that should fail.
+        search_decimal = Decimal('4.25')
+        high_item = self.objects.filter(decimal__gt=search_decimal)[0]
+        response = self.client.get('{url}?decimal={param}'.format(url=self._get_url(high_item), param=search_decimal))
+        self.assertEqual(response.status_code, status.HTTP_404_NOT_FOUND)
+
+        # Tests that the decimal filter set that should succeed.
+        search_decimal = Decimal('4.25')
+        low_item = self.objects.filter(decimal__lt=search_decimal)[0]
+        low_item_data = self._serialize_object(low_item)
+        response = self.client.get('{url}?decimal={param}'.format(url=self._get_url(low_item), param=search_decimal))
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(response.data, low_item_data)
+        
+        # Tests that multiple filters works.
+        search_decimal = Decimal('5.25')
+        search_date = datetime.date(2012, 10, 2)
+        valid_item = self.objects.filter(decimal__lt=search_decimal, date__gt=search_date)[0]
+        valid_item_data = self._serialize_object(valid_item)
+        response = self.client.get('{url}?decimal={decimal}&date={date}'.format(url=self._get_url(valid_item), decimal=search_decimal, date=search_date))
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(response.data, valid_item_data)
diff --git a/rest_framework/tests/pagination.py b/rest_framework/tests/pagination.py
index 1a2d68a6..6b8ef02f 100644
--- a/rest_framework/tests/pagination.py
+++ b/rest_framework/tests/pagination.py
@@ -102,7 +102,7 @@ class IntegrationTestPaginationAndFiltering(TestCase):
 
         self.objects = FilterableItem.objects
         self.data = [
-            {'id': obj.id, 'text': obj.text, 'decimal': obj.decimal, 'date': obj.date.isoformat()}
+            {'id': obj.id, 'text': obj.text, 'decimal': obj.decimal, 'date': obj.date}
             for obj in self.objects.all()
         ]
 
@@ -129,16 +129,6 @@ class IntegrationTestPaginationAndFiltering(TestCase):
         view = FilterFieldsRootView.as_view()
 
         EXPECTED_NUM_QUERIES = 2
-        if django.VERSION < (1, 4):
-            # On Django 1.3 we need to use django-filter 0.5.4
-            #
-            # The filter objects there don't expose a `.count()` method,
-            # which means we only make a single query *but* it's a single
-            # query across *all* of the queryset, instead of a COUNT and then
-            # a SELECT with a LIMIT.
-            #
-            # Although this is fewer queries, it's actually a regression.
-            EXPECTED_NUM_QUERIES = 1
 
         request = factory.get('/?decimal=15.20')
         with self.assertNumQueries(EXPECTED_NUM_QUERIES):
diff --git a/rest_framework/tests/serializer.py b/rest_framework/tests/serializer.py
index beb372c2..05217f35 100644
--- a/rest_framework/tests/serializer.py
+++ b/rest_framework/tests/serializer.py
@@ -112,7 +112,7 @@ class BasicTests(TestCase):
         self.expected = {
             'email': 'tom@example.com',
             'content': 'Happy new year!',
-            'created': '2012-01-01T00:00:00',
+            'created': datetime.datetime(2012, 1, 1),
             'sub_comment': 'And Merry Christmas!'
         }
         self.person_data = {'name': 'dwight', 'age': 35}
@@ -261,34 +261,6 @@ class ValidationTests(TestCase):
         self.assertEqual(serializer.is_valid(), True)
         self.assertEqual(serializer.errors, {})
 
-    def test_bad_type_data_is_false(self):
-        """
-        Data of the wrong type is not valid.
-        """
-        data = ['i am', 'a', 'list']
-        serializer = CommentSerializer(self.comment, data=data, many=True)
-        self.assertEqual(serializer.is_valid(), False)
-        self.assertTrue(isinstance(serializer.errors, list))
-
-        self.assertEqual(
-            serializer.errors,
-            [
-                {'non_field_errors': ['Invalid data']},
-                {'non_field_errors': ['Invalid data']},
-                {'non_field_errors': ['Invalid data']}
-            ]
-        )
-
-        data = 'and i am a string'
-        serializer = CommentSerializer(self.comment, data=data)
-        self.assertEqual(serializer.is_valid(), False)
-        self.assertEqual(serializer.errors, {'non_field_errors': ['Invalid data']})
-
-        data = 42
-        serializer = CommentSerializer(self.comment, data=data)
-        self.assertEqual(serializer.is_valid(), False)
-        self.assertEqual(serializer.errors, {'non_field_errors': ['Invalid data']})
-
     def test_cross_field_validation(self):
 
         class CommentSerializerWithCrossFieldValidator(CommentSerializer):
diff --git a/rest_framework/tests/serializer_bulk_update.py b/rest_framework/tests/serializer_bulk_update.py
new file mode 100644
index 00000000..8b0ded1a
--- /dev/null
+++ b/rest_framework/tests/serializer_bulk_update.py
@@ -0,0 +1,278 @@
+"""
+Tests to cover bulk create and update using serializers.
+"""
+from __future__ import unicode_literals
+from django.test import TestCase
+from rest_framework import serializers
+
+
+class BulkCreateSerializerTests(TestCase):
+    """
+    Creating multiple instances using serializers.
+    """
+
+    def setUp(self):
+        class BookSerializer(serializers.Serializer):
+            id = serializers.IntegerField()
+            title = serializers.CharField(max_length=100)
+            author = serializers.CharField(max_length=100)
+
+        self.BookSerializer = BookSerializer
+
+    def test_bulk_create_success(self):
+        """
+        Correct bulk update serialization should return the input data.
+        """
+
+        data = [
+            {
+                'id': 0,
+                'title': 'The electric kool-aid acid test',
+                'author': 'Tom Wolfe'
+            }, {
+                'id': 1,
+                'title': 'If this is a man',
+                'author': 'Primo Levi'
+            }, {
+                'id': 2,
+                'title': 'The wind-up bird chronicle',
+                'author': 'Haruki Murakami'
+            }
+        ]
+
+        serializer = self.BookSerializer(data=data, many=True)
+        self.assertEqual(serializer.is_valid(), True)
+        self.assertEqual(serializer.object, data)
+
+    def test_bulk_create_errors(self):
+        """
+        Correct bulk update serialization should return the input data.
+        """
+
+        data = [
+            {
+                'id': 0,
+                'title': 'The electric kool-aid acid test',
+                'author': 'Tom Wolfe'
+            }, {
+                'id': 1,
+                'title': 'If this is a man',
+                'author': 'Primo Levi'
+            }, {
+                'id': 'foo',
+                'title': 'The wind-up bird chronicle',
+                'author': 'Haruki Murakami'
+            }
+        ]
+        expected_errors = [
+            {},
+            {},
+            {'id': ['Enter a whole number.']}
+        ]
+
+        serializer = self.BookSerializer(data=data, many=True)
+        self.assertEqual(serializer.is_valid(), False)
+        self.assertEqual(serializer.errors, expected_errors)
+
+    def test_invalid_list_datatype(self):
+        """
+        Data containing list of incorrect data type should return errors.
+        """
+        data = ['foo', 'bar', 'baz']
+        serializer = self.BookSerializer(data=data, many=True)
+        self.assertEqual(serializer.is_valid(), False)
+
+        expected_errors = [
+                {'non_field_errors': ['Invalid data']},
+                {'non_field_errors': ['Invalid data']},
+                {'non_field_errors': ['Invalid data']}
+        ]
+
+        self.assertEqual(serializer.errors, expected_errors)
+
+    def test_invalid_single_datatype(self):
+        """
+        Data containing a single incorrect data type should return errors.
+        """
+        data = 123
+        serializer = self.BookSerializer(data=data, many=True)
+        self.assertEqual(serializer.is_valid(), False)
+
+        expected_errors = {'non_field_errors': ['Expected a list of items.']}
+
+        self.assertEqual(serializer.errors, expected_errors)
+
+    def test_invalid_single_object(self):
+        """
+        Data containing only a single object, instead of a list of objects
+        should return errors.
+        """
+        data = {
+            'id': 0,
+            'title': 'The electric kool-aid acid test',
+            'author': 'Tom Wolfe'
+        }
+        serializer = self.BookSerializer(data=data, many=True)
+        self.assertEqual(serializer.is_valid(), False)
+
+        expected_errors = {'non_field_errors': ['Expected a list of items.']}
+
+        self.assertEqual(serializer.errors, expected_errors)
+
+
+class BulkUpdateSerializerTests(TestCase):
+    """
+    Updating multiple instances using serializers.
+    """
+
+    def setUp(self):
+        class Book(object):
+            """
+            A data type that can be persisted to a mock storage backend
+            with `.save()` and `.delete()`.
+            """
+            object_map = {}
+
+            def __init__(self, id, title, author):
+                self.id = id
+                self.title = title
+                self.author = author
+
+            def save(self):
+                Book.object_map[self.id] = self
+
+            def delete(self):
+                del Book.object_map[self.id]
+
+        class BookSerializer(serializers.Serializer):
+            id = serializers.IntegerField()
+            title = serializers.CharField(max_length=100)
+            author = serializers.CharField(max_length=100)
+
+            def restore_object(self, attrs, instance=None):
+                if instance:
+                    instance.id = attrs['id']
+                    instance.title = attrs['title']
+                    instance.author = attrs['author']
+                    return instance
+                return Book(**attrs)
+
+        self.Book = Book
+        self.BookSerializer = BookSerializer
+
+        data = [
+            {
+                'id': 0,
+                'title': 'The electric kool-aid acid test',
+                'author': 'Tom Wolfe'
+            }, {
+                'id': 1,
+                'title': 'If this is a man',
+                'author': 'Primo Levi'
+            }, {
+                'id': 2,
+                'title': 'The wind-up bird chronicle',
+                'author': 'Haruki Murakami'
+            }
+        ]
+
+        for item in data:
+            book = Book(item['id'], item['title'], item['author'])
+            book.save()
+
+    def books(self):
+        """
+        Return all the objects in the mock storage backend.
+        """
+        return self.Book.object_map.values()
+
+    def test_bulk_update_success(self):
+        """
+        Correct bulk update serialization should return the input data.
+        """
+        data = [
+            {
+                'id': 0,
+                'title': 'The electric kool-aid acid test',
+                'author': 'Tom Wolfe'
+            }, {
+                'id': 2,
+                'title': 'Kafka on the shore',
+                'author': 'Haruki Murakami'
+            }
+        ]
+        serializer = self.BookSerializer(self.books(), data=data, many=True, allow_add_remove=True)
+        self.assertEqual(serializer.is_valid(), True)
+        self.assertEqual(serializer.data, data)
+        serializer.save()
+        new_data = self.BookSerializer(self.books(), many=True).data
+
+        self.assertEqual(data, new_data)
+
+    def test_bulk_update_and_create(self):
+        """
+        Bulk update serialization may also include created items.
+        """
+        data = [
+            {
+                'id': 0,
+                'title': 'The electric kool-aid acid test',
+                'author': 'Tom Wolfe'
+            }, {
+                'id': 3,
+                'title': 'Kafka on the shore',
+                'author': 'Haruki Murakami'
+            }
+        ]
+        serializer = self.BookSerializer(self.books(), data=data, many=True, allow_add_remove=True)
+        self.assertEqual(serializer.is_valid(), True)
+        self.assertEqual(serializer.data, data)
+        serializer.save()
+        new_data = self.BookSerializer(self.books(), many=True).data
+        self.assertEqual(data, new_data)
+
+    def test_bulk_update_invalid_create(self):
+        """
+        Bulk update serialization without allow_add_remove may not create items.
+        """
+        data = [
+            {
+                'id': 0,
+                'title': 'The electric kool-aid acid test',
+                'author': 'Tom Wolfe'
+            }, {
+                'id': 3,
+                'title': 'Kafka on the shore',
+                'author': 'Haruki Murakami'
+            }
+        ]
+        expected_errors = [
+            {},
+            {'non_field_errors': ['Cannot create a new item, only existing items may be updated.']}
+        ]
+        serializer = self.BookSerializer(self.books(), data=data, many=True)
+        self.assertEqual(serializer.is_valid(), False)
+        self.assertEqual(serializer.errors, expected_errors)
+
+    def test_bulk_update_error(self):
+        """
+        Incorrect bulk update serialization should return error data.
+        """
+        data = [
+            {
+                'id': 0,
+                'title': 'The electric kool-aid acid test',
+                'author': 'Tom Wolfe'
+            }, {
+                'id': 'foo',
+                'title': 'Kafka on the shore',
+                'author': 'Haruki Murakami'
+            }
+        ]
+        expected_errors = [
+            {},
+            {'id': ['Enter a whole number.']}
+        ]
+        serializer = self.BookSerializer(self.books(), data=data, many=True, allow_add_remove=True)
+        self.assertEqual(serializer.is_valid(), False)
+        self.assertEqual(serializer.errors, expected_errors)
diff --git a/rest_framework/tests/serializer_nested.py b/rest_framework/tests/serializer_nested.py
new file mode 100644
index 00000000..6a29c652
--- /dev/null
+++ b/rest_framework/tests/serializer_nested.py
@@ -0,0 +1,246 @@
+"""
+Tests to cover nested serializers.
+
+Doesn't cover model serializers.
+"""
+from __future__ import unicode_literals
+from django.test import TestCase
+from rest_framework import serializers
+
+
+class WritableNestedSerializerBasicTests(TestCase):
+    """
+    Tests for deserializing nested entities.
+    Basic tests that use serializers that simply restore to dicts.
+    """
+
+    def setUp(self):
+        class TrackSerializer(serializers.Serializer):
+            order = serializers.IntegerField()
+            title = serializers.CharField(max_length=100)
+            duration = serializers.IntegerField()
+
+        class AlbumSerializer(serializers.Serializer):
+            album_name = serializers.CharField(max_length=100)
+            artist = serializers.CharField(max_length=100)
+            tracks = TrackSerializer(many=True)
+
+        self.AlbumSerializer = AlbumSerializer
+
+    def test_nested_validation_success(self):
+        """
+        Correct nested serialization should return the input data.
+        """
+
+        data = {
+            'album_name': 'Discovery',
+            'artist': 'Daft Punk',
+            'tracks': [
+                {'order': 1, 'title': 'One More Time', 'duration': 235},
+                {'order': 2, 'title': 'Aerodynamic', 'duration': 184},
+                {'order': 3, 'title': 'Digital Love', 'duration': 239}
+            ]
+        }
+
+        serializer = self.AlbumSerializer(data=data)
+        self.assertEqual(serializer.is_valid(), True)
+        self.assertEqual(serializer.object, data)
+
+    def test_nested_validation_error(self):
+        """
+        Incorrect nested serialization should return appropriate error data.
+        """
+
+        data = {
+            'album_name': 'Discovery',
+            'artist': 'Daft Punk',
+            'tracks': [
+                {'order': 1, 'title': 'One More Time', 'duration': 235},
+                {'order': 2, 'title': 'Aerodynamic', 'duration': 184},
+                {'order': 3, 'title': 'Digital Love', 'duration': 'foobar'}
+            ]
+        }
+        expected_errors = {
+            'tracks': [
+                {},
+                {},
+                {'duration': ['Enter a whole number.']}
+            ]
+        }
+
+        serializer = self.AlbumSerializer(data=data)
+        self.assertEqual(serializer.is_valid(), False)
+        self.assertEqual(serializer.errors, expected_errors)
+
+    def test_many_nested_validation_error(self):
+        """
+        Incorrect nested serialization should return appropriate error data
+        when multiple entities are being deserialized.
+        """
+
+        data = [
+            {
+                'album_name': 'Russian Red',
+                'artist': 'I Love Your Glasses',
+                'tracks': [
+                    {'order': 1, 'title': 'Cigarettes', 'duration': 121},
+                    {'order': 2, 'title': 'No Past Land', 'duration': 198},
+                    {'order': 3, 'title': 'They Don\'t Believe', 'duration': 191}
+                ]
+            },
+            {
+                'album_name': 'Discovery',
+                'artist': 'Daft Punk',
+                'tracks': [
+                    {'order': 1, 'title': 'One More Time', 'duration': 235},
+                    {'order': 2, 'title': 'Aerodynamic', 'duration': 184},
+                    {'order': 3, 'title': 'Digital Love', 'duration': 'foobar'}
+                ]
+            }
+        ]
+        expected_errors = [
+            {},
+            {
+                'tracks': [
+                    {},
+                    {},
+                    {'duration': ['Enter a whole number.']}
+                ]
+            }
+        ]
+
+        serializer = self.AlbumSerializer(data=data)
+        self.assertEqual(serializer.is_valid(), False)
+        self.assertEqual(serializer.errors, expected_errors)
+
+
+class WritableNestedSerializerObjectTests(TestCase):
+    """
+    Tests for deserializing nested entities.
+    These tests use serializers that restore to concrete objects.
+    """
+
+    def setUp(self):
+        # Couple of concrete objects that we're going to deserialize into
+        class Track(object):
+            def __init__(self, order, title, duration):
+                self.order, self.title, self.duration = order, title, duration
+
+            def __eq__(self, other):
+                return (
+                    self.order == other.order and
+                    self.title == other.title and
+                    self.duration == other.duration
+                )
+
+        class Album(object):
+            def __init__(self, album_name, artist, tracks):
+                self.album_name, self.artist, self.tracks = album_name, artist, tracks
+
+            def __eq__(self, other):
+                return (
+                    self.album_name == other.album_name and
+                    self.artist == other.artist and
+                    self.tracks == other.tracks
+                )
+
+        # And their corresponding serializers
+        class TrackSerializer(serializers.Serializer):
+            order = serializers.IntegerField()
+            title = serializers.CharField(max_length=100)
+            duration = serializers.IntegerField()
+
+            def restore_object(self, attrs, instance=None):
+                return Track(attrs['order'], attrs['title'], attrs['duration'])
+
+        class AlbumSerializer(serializers.Serializer):
+            album_name = serializers.CharField(max_length=100)
+            artist = serializers.CharField(max_length=100)
+            tracks = TrackSerializer(many=True)
+
+            def restore_object(self, attrs, instance=None):
+                return Album(attrs['album_name'], attrs['artist'], attrs['tracks'])
+
+        self.Album, self.Track = Album, Track
+        self.AlbumSerializer = AlbumSerializer
+
+    def test_nested_validation_success(self):
+        """
+        Correct nested serialization should return a restored object
+        that corresponds to the input data.
+        """
+
+        data = {
+            'album_name': 'Discovery',
+            'artist': 'Daft Punk',
+            'tracks': [
+                {'order': 1, 'title': 'One More Time', 'duration': 235},
+                {'order': 2, 'title': 'Aerodynamic', 'duration': 184},
+                {'order': 3, 'title': 'Digital Love', 'duration': 239}
+            ]
+        }
+        expected_object = self.Album(
+            album_name='Discovery',
+            artist='Daft Punk',
+            tracks=[
+                self.Track(order=1, title='One More Time', duration=235),
+                self.Track(order=2, title='Aerodynamic', duration=184),
+                self.Track(order=3, title='Digital Love', duration=239),
+            ]
+        )
+
+        serializer = self.AlbumSerializer(data=data)
+        self.assertEqual(serializer.is_valid(), True)
+        self.assertEqual(serializer.object, expected_object)
+
+    def test_many_nested_validation_success(self):
+        """
+        Correct nested serialization should return multiple restored objects
+        that corresponds to the input data when multiple objects are
+        being deserialized.
+        """
+
+        data = [
+            {
+                'album_name': 'Russian Red',
+                'artist': 'I Love Your Glasses',
+                'tracks': [
+                    {'order': 1, 'title': 'Cigarettes', 'duration': 121},
+                    {'order': 2, 'title': 'No Past Land', 'duration': 198},
+                    {'order': 3, 'title': 'They Don\'t Believe', 'duration': 191}
+                ]
+            },
+            {
+                'album_name': 'Discovery',
+                'artist': 'Daft Punk',
+                'tracks': [
+                    {'order': 1, 'title': 'One More Time', 'duration': 235},
+                    {'order': 2, 'title': 'Aerodynamic', 'duration': 184},
+                    {'order': 3, 'title': 'Digital Love', 'duration': 239}
+                ]
+            }
+        ]
+        expected_object = [
+            self.Album(
+                album_name='Russian Red',
+                artist='I Love Your Glasses',
+                tracks=[
+                    self.Track(order=1, title='Cigarettes', duration=121),
+                    self.Track(order=2, title='No Past Land', duration=198),
+                    self.Track(order=3, title='They Don\'t Believe', duration=191),
+                ]
+            ),
+            self.Album(
+                album_name='Discovery',
+                artist='Daft Punk',
+                tracks=[
+                    self.Track(order=1, title='One More Time', duration=235),
+                    self.Track(order=2, title='Aerodynamic', duration=184),
+                    self.Track(order=3, title='Digital Love', duration=239),
+                ]
+            )
+        ]
+
+        serializer = self.AlbumSerializer(data=data)
+        self.assertEqual(serializer.is_valid(), True)
+        self.assertEqual(serializer.object, expected_object)
diff --git a/rest_framework/tests/status.py b/rest_framework/tests/status.py
deleted file mode 100644
index e1644a6b..00000000
--- a/rest_framework/tests/status.py
+++ /dev/null
@@ -1,13 +0,0 @@
-"""Tests for the status module"""
-from __future__ import unicode_literals
-from django.test import TestCase
-from rest_framework import status
-
-
-class TestStatus(TestCase):
-    """Simple sanity test to check the status module"""
-
-    def test_status(self):
-        """Ensure the status module is present and correct."""
-        self.assertEqual(200, status.HTTP_200_OK)
-        self.assertEqual(404, status.HTTP_404_NOT_FOUND)