1 files changed, 75 insertions, 0 deletions
diff --git a/tests/rest/client/test_account_data.py b/tests/rest/client/test_account_data.py
new file mode 100644
index 0000000000..d5b0640e7a
--- /dev/null
+++ b/tests/rest/client/test_account_data.py
@@ -0,0 +1,75 @@
+# Copyright 2022 The Matrix.org Foundation C.I.C
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+from unittest.mock import Mock
+
+from synapse.rest import admin
+from synapse.rest.client import account_data, login, room
+
+from tests import unittest
+from tests.test_utils import make_awaitable
+
+
+class AccountDataTestCase(unittest.HomeserverTestCase):
+    servlets = [
+        admin.register_servlets,
+        login.register_servlets,
+        room.register_servlets,
+        account_data.register_servlets,
+    ]
+
+    def test_on_account_data_updated_callback(self) -> None:
+        """Tests that the on_account_data_updated module callback is called correctly when
+        a user's account data changes.
+        """
+        mocked_callback = Mock(return_value=make_awaitable(None))
+        self.hs.get_account_data_handler()._on_account_data_updated_callbacks.append(
+            mocked_callback
+        )
+
+        user_id = self.register_user("user", "password")
+        tok = self.login("user", "password")
+        account_data_type = "org.matrix.foo"
+        account_data_content = {"bar": "baz"}
+
+        # Change the user's global account data.
+        channel = self.make_request(
+            "PUT",
+            f"/user/{user_id}/account_data/{account_data_type}",
+            account_data_content,
+            access_token=tok,
+        )
+
+        # Test that the callback is called with the user ID, the new account data, and
+        # None as the room ID.
+        self.assertEqual(channel.code, 200, channel.result)
+        mocked_callback.assert_called_once_with(
+            user_id, None, account_data_type, account_data_content
+        )
+
+        # Change the user's room-specific account data.
+        room_id = self.helper.create_room_as(user_id, tok=tok)
+        channel = self.make_request(
+            "PUT",
+            f"/user/{user_id}/rooms/{room_id}/account_data/{account_data_type}",
+            account_data_content,
+            access_token=tok,
+        )
+
+        # Test that the callback is called with the user ID, the room ID and the new
+        # account data.
+        self.assertEqual(channel.code, 200, channel.result)
+        self.assertEqual(mocked_callback.call_count, 2)
+        mocked_callback.assert_called_with(
+            user_id, room_id, account_data_type, account_data_content
+        )