Sync tests: test Sync cog's on_member_update for roles

Members should be patched if their roles have changed.

1 files changed, 11 insertions, 0 deletions

diff --git a/tests/bot/cogs/sync/test_cog.py b/tests/bot/cogs/sync/test_cog.py
index 4ee66a518..f04d53caa 100644
--- a/tests/bot/cogs/sync/test_cog.py
+++ b/tests/bot/cogs/sync/test_cog.py
@@ -212,3 +212,14 @@ class SyncCogListenerTests(SyncCogTestCase):
             "roles": sorted(role.id for role in member.roles)
         }
         self.bot.api_client.put.assert_called_once_with("bot/users/88", json=json_data)
+
+    def test_sync_cog_on_member_update_roles(self):
+        """Members should be patched if their roles have changed."""
+        before_roles = [helpers.MockRole(id=12), helpers.MockRole(id=30)]
+        before_member = helpers.MockMember(roles=before_roles)
+        after_member = helpers.MockMember(roles=before_roles[1:])
+
+        asyncio.run(self.cog.on_member_update(before_member, after_member))
+
+        data = {"roles": sorted(role.id for role in after_member.roles)}
+        self.cog.patch_user.assert_called_once_with(after_member.id, updated_information=data)