Merge pull request #52 from andela/bg-add-articlescount-perpage-16594…

…0869

#165940869 Add number of articles per page

authors/apps/articles/serializers.py

@@ -84,6 +84,7 @@ class ArticlePaginator(PageNumberPagination):
 
     def get_paginated_response(self, data):
         return Response(OrderedDict([
+            ("pageCount", len(self.page.object_list)),
             ('articlesCount', self.page.paginator.count),
             ('next', self.get_next_link()),
             ('previous', self.get_previous_link()),

authors/apps/articles/tests/basetests.py

@@ -742,10 +742,6 @@ def get_previous_page(self):
             format='json'
         )
         return response
-        return self.client.delete(self.modify_url)
-        self.user
-        return self.client.patch(self.modify_url, data=json.dumps(self.update),
-                                 content_type="application/json")
 
 
 class FilterBaseTest(TagsBaseTest):

authors/apps/articles/tests/test_pagination.py

@@ -1,5 +1,6 @@
 from authors.apps.articles.tests.basetests import PagniationBaseTest
 from rest_framework import status
+from authors.apps.articles.models import Article
 
 
 class TestPagination(PagniationBaseTest):
@@ -123,3 +124,21 @@ def test_page_limit_less_than_1(self):
             response.data.get("detail"),
             self.error_msg
         )
+
+    def test_articles_per_page_count(self):
+        """
+        Tests return of the number of articles per page
+        """
+        response = self.get_articles_per_page(page_limit=4)
+        self.assertEqual(
+            response.status_code,
+            status.HTTP_200_OK
+        )
+        self.assertEqual(
+            response.data.get("pageCount"),
+            4
+        )
+        self.assertEqual(
+            response.data.get("articlesCount"),
+            Article.objects.all().count()
+        )