add many=True to BasePaginationSerializer's results_field

rest_framework/pagination.py

@@ -43,8 +43,9 @@ class DefaultObjectSerializer(serializers.Field):
     as the default.
     """
 
-    def __init__(self, source=None, context=None):
+    def __init__(self, source=None, context=None, many=False):
         # Note: Swallow context kwarg - only required for eg. ModelSerializer.
+        # Note: Swallow many kwarg - required for eg. serializing a list.
         super(DefaultObjectSerializer, self).__init__(source=source)
 
 
@@ -82,7 +83,8 @@ class BasePaginationSerializer(serializers.Serializer):
         else:
             context_kwarg = {}
 
-        self.fields[results_field] = object_serializer(source='object_list', **context_kwarg)
+        # we expect an array-like data structure here
+        self.fields[results_field] = object_serializer(source='object_list', many=True, **context_kwarg)
 
 
 class PaginationSerializer(BasePaginationSerializer):

tests/test_pagination.py

@@ -518,3 +518,35 @@ class TestNonIntegerPagination(TestCase):
             'objects': objects[2:]
         }
         self.assertEqual(serializer.data, expected)
+
+
+# Tests for many=True in pagination.BasePaginationSerializer
+
+class BasicSerializer(serializers.Serializer):
+    id = serializers.Field()
+    text = serializers.Field()
+
+
+class BasicPaginationSerializer(pagination.BasePaginationSerializer):
+
+    class Meta:
+        object_serializer_class = BasicSerializer
+
+
+class TestNonQuerySetPagination(TestCase):
+    """
+    Tests for generic data structures which is not a django queryset
+    """
+
+    def setUp(self):
+        self.data = [
+            {'id': i, 'text': i}
+            for i in range(13)
+        ]
+        self.paginator = Paginator(self.data, 10)
+
+    def test_unpaginated(self):
+        first_page = self.paginator.page(1)
+        serializer = BasicPaginationSerializer(instance=first_page)
+        serializer.data
+        self.assertEqual(serializer.data['results'], self.data[:self.paginator.per_page])