[Cherry-Pick-Main][Server] Adding pagination to label relationship endpoint (#57)

Author: mkaliberda

src/server/datamanager/tests/views/test_labelrelationship.py

@@ -974,6 +974,49 @@ def test_project_label_relationship(self, client):
             ]
         )
 
+        label_url = reverse(
+            "project-label-relationship-list",
+            kwargs={"project_uuid": self.project.uuid},
+        )
+
+        response = client.get(
+            f"{label_url}?page_size=1",
+        )
+
+        assert len(response.data["results"]) == 1
+        assert sorted(list(response.data["results"][0].keys())) == sorted(
+            [
+                "uuid",
+                "capture",
+                "label",
+                "label_value",
+                "capture_sample_sequence_start",
+                "capture_sample_sequence_end",
+                "label_info",
+                "segmenter",
+                "created_at",
+                "last_modified",
+            ]
+        )
+
+        response = client.get(response.data["next"].replace("http://testserver", ""))
+
+        assert len(response.data["results"]) == 1
+        assert sorted(list(response.data["results"][0].keys())) == sorted(
+            [
+                "uuid",
+                "capture",
+                "label",
+                "label_value",
+                "capture_sample_sequence_start",
+                "capture_sample_sequence_end",
+                "label_info",
+                "segmenter",
+                "created_at",
+                "last_modified",
+            ]
+        )
+
     def test_project_label_relationship_delete_multi(self, client):
         self.make_label_labelvalue(client)
         clv = []

src/server/datamanager/views/label_relationship.py

@@ -164,6 +164,7 @@ def get_queryset(self):
 )
 class ProjectLabelRelationshipListView(generics.ListAPIView):
     serializer_class = V2CaptureLabelValueSerializer
+    pagination_class = QueryParamCursorPagination
 
     permission_classes = (
         permissions.IsAuthenticated,