Fix: Pagination response schemas. (#9049)

Author: onegreyonewhite

rest_framework/pagination.py

@@ -239,6 +239,7 @@ def get_paginated_response(self, data):
     def get_paginated_response_schema(self, schema):
         return {
             'type': 'object',
+            'required': ['count', 'results'],
             'properties': {
                 'count': {
                     'type': 'integer',
@@ -411,6 +412,7 @@ def get_paginated_response(self, data):
     def get_paginated_response_schema(self, schema):
         return {
             'type': 'object',
+            'required': ['count', 'results'],
             'properties': {
                 'count': {
                     'type': 'integer',
@@ -906,6 +908,7 @@ def get_paginated_response(self, data):
     def get_paginated_response_schema(self, schema):
         return {
             'type': 'object',
+            'required': ['results'],
             'properties': {
                 'next': {
                     'type': 'string',

tests/test_pagination.py

@@ -274,6 +274,7 @@ def test_get_paginated_response_schema(self):
 
         assert self.pagination.get_paginated_response_schema(unpaginated_schema) == {
             'type': 'object',
+            'required': ['count', 'results'],
             'properties': {
                 'count': {
                     'type': 'integer',
@@ -585,6 +586,7 @@ def test_get_paginated_response_schema(self):
 
         assert self.pagination.get_paginated_response_schema(unpaginated_schema) == {
             'type': 'object',
+            'required': ['count', 'results'],
             'properties': {
                 'count': {
                     'type': 'integer',
@@ -937,6 +939,7 @@ def test_get_paginated_response_schema(self):
 
         assert self.pagination.get_paginated_response_schema(unpaginated_schema) == {
             'type': 'object',
+            'required': ['results'],
             'properties': {
                 'next': {
                     'type': 'string',