Set default chains pagination limit to 20

src/chains/tests/test_views.py

@@ -91,21 +91,21 @@ def test_json_payload_format(self) -> None:
 
 class ChainPaginationViewTests(APITestCase):
     def test_pagination_next_page(self) -> None:
-        ChainFactory.create_batch(11)
+        ChainFactory.create_batch(21)
         url = reverse("v1:chains:list")
 
         response = self.client.get(path=url, data=None, format="json")
 
         self.assertEqual(response.status_code, 200)
         # number of items should be equal to the number of total items
-        self.assertEqual(response.json()["count"], 11)
+        self.assertEqual(response.json()["count"], 21)
         self.assertEqual(
             response.json()["next"],
-            "http://testserver/api/v1/chains/?limit=10&offset=10",
+            "http://testserver/api/v1/chains/?limit=20&offset=20",
         )
         self.assertEqual(response.json()["previous"], None)
         # returned items should be equal to max_limit
-        self.assertEqual(len(response.json()["results"]), 10)
+        self.assertEqual(len(response.json()["results"]), 20)
 
     def test_request_more_than_max_limit_should_return_max_limit(self) -> None:
         ChainFactory.create_batch(101)
@@ -126,18 +126,18 @@ def test_request_more_than_max_limit_should_return_max_limit(self) -> None:
         self.assertEqual(len(response.json()["results"]), 100)
 
     def test_offset_greater_than_count(self) -> None:
-        ChainFactory.create_batch(11)
+        ChainFactory.create_batch(21)
         # requesting offset of number of chains
-        url = reverse("v1:chains:list") + f'{"?offset=11"}'
+        url = reverse("v1:chains:list") + f'{"?offset=21"}'
 
         response = self.client.get(path=url, data=None, format="json")
 
         self.assertEqual(response.status_code, 200)
-        self.assertEqual(response.json()["count"], 11)
+        self.assertEqual(response.json()["count"], 21)
         self.assertEqual(response.json()["next"], None)
         self.assertEqual(
             response.json()["previous"],
-            "http://testserver/api/v1/chains/?limit=10&offset=1",
+            "http://testserver/api/v1/chains/?limit=20&offset=1",
         )
         # returned items should still be zero
         self.assertEqual(len(response.json()["results"]), 0)

src/chains/views.py

@@ -15,7 +15,7 @@ class ChainsListView(ListAPIView):
     serializer_class = ChainSerializer
     pagination_class = LimitOffsetPagination
     pagination_class.max_limit = 100
-    pagination_class.default_limit = 10
+    pagination_class.default_limit = 20
     queryset = Chain.objects.all()
     filter_backends = [filters.OrderingFilter]
     ordering_fields = ["relevance", "name"]