feat(forum): add test on multiple tags

lacommunaute/forum/tests/tests_views.py

@@ -671,23 +671,37 @@ def test_documentation_category_foot_content(
         assert str(add_documentation_control[0]) == snapshot(name="documentation_category_add_file_control")
 
     def test_filter_subforums_on_tags(self, client, db):
-        tag = faker.word()
-        category_forum = CategoryForumFactory(with_public_perms=True, with_child=True)
-        second_child = ForumFactory(parent=category_forum, with_public_perms=True, with_tags=[tag])
-        third_child = ForumFactory(parent=category_forum, with_public_perms=True)
+        tags = [faker.word() for _ in range(3)]
+        category_forum = CategoryForumFactory(with_public_perms=True)
+        first_child = ForumFactory(parent=category_forum, with_public_perms=True, with_tags=[tags[0]])
+        second_child = ForumFactory(parent=category_forum, with_public_perms=True, with_tags=[tags[0], tags[1]])
+        third_child = ForumFactory(parent=category_forum, with_public_perms=True, with_tags=[tags[2]])
+        # forum without tags
+        ForumFactory(parent=category_forum, with_public_perms=True)
 
         # edge case: grand_child is filtered out. No actual use case to display them in the subforum list
-        ForumFactory(parent=third_child, with_public_perms=True, with_tags=[tag])
+        ForumFactory(parent=third_child, with_public_perms=True, with_tags=[tags[2]])
 
+        # no filter
         response = client.get(category_forum.get_absolute_url())
         assert response.status_code == 200
         assert [node.obj for node in response.context_data["sub_forums"].top_nodes] == list(
             category_forum.get_children()
         )
 
-        response = client.get(category_forum.get_absolute_url() + f"?forum_tags={tag}")
+        # filter on first tag
+        response = client.get(category_forum.get_absolute_url() + f"?forum_tags={tags[0]}")
+        assert response.status_code == 200
+        assert set([node.obj for node in response.context_data["sub_forums"].top_nodes]) == set(
+            [first_child, second_child]
+        )
+
+        # filter on multiple tags
+        response = client.get(category_forum.get_absolute_url() + f"?forum_tags={tags[1]},{tags[2]}")
         assert response.status_code == 200
-        assert [node.obj for node in response.context_data["sub_forums"].top_nodes] == [second_child]
+        assert set([node.obj for node in response.context_data["sub_forums"].top_nodes]) == set(
+            [second_child, third_child]
+        )
 
 
 @pytest.fixture(name="discussion_area_forum")