only block on sync where user is not part of the mau cohort

tests/handlers/test_sync.py

@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 from twisted.internet import defer
+from synapse.api.errors import AuthError, Codes
 
-from synapse.api.errors import AuthError
 from synapse.api.filtering import DEFAULT_FILTER_COLLECTION
 from synapse.handlers.sync import SyncConfig, SyncHandler
 from synapse.types import UserID
@@ -31,19 +31,41 @@ class SyncTestCase(tests.unittest.TestCase):
     def setUp(self):
         self.hs = yield setup_test_homeserver()
         self.sync_handler = SyncHandler(self.hs)
+        self.store = self.hs.get_datastore()
 
     @defer.inlineCallbacks
     def test_wait_for_sync_for_user_auth_blocking(self):
-        sync_config = SyncConfig(
-            user=UserID("@user", "server"),
+
+        user_id1 = "@user1:server"
+        user_id2 = "@user2:server"
+        sync_config = self._generate_sync_config(user_id1)
+
+        self.hs.config.limit_usage_by_mau = True
+        self.hs.config.max_mau_value = 1
+
+        # Check that the happy case does not throw errors
+        yield self.store.upsert_monthly_active_user(user_id1)
+        yield self.sync_handler.wait_for_sync_for_user(sync_config)
+
+        # Test that global lock works
+        self.hs.config.hs_disabled = True
+        with self.assertRaises(AuthError) as e:
+            yield self.sync_handler.wait_for_sync_for_user(sync_config)
+        self.assertEquals(e.exception.errcode, Codes.HS_DISABLED)
+
+        self.hs.config.hs_disabled = False
+
+        sync_config = self._generate_sync_config(user_id2)
+
+        with self.assertRaises(AuthError) as e:
+            yield self.sync_handler.wait_for_sync_for_user(sync_config)
+        self.assertEquals(e.exception.errcode, Codes.MAU_LIMIT_EXCEEDED)
+
+    def _generate_sync_config(self, user_id):
+        return SyncConfig(
+            user=UserID(user_id.split(":")[0][1:], user_id.split(":")[1]),
             filter_collection=DEFAULT_FILTER_COLLECTION,
             is_guest=False,
             request_key="request_key",
             device_id="device_id",
         )
-        # Ensure that an exception is not thrown
-        yield self.sync_handler.wait_for_sync_for_user(sync_config)
-        self.hs.config.hs_disabled = True
-
-        with self.assertRaises(AuthError):
-            yield self.sync_handler.wait_for_sync_for_user(sync_config)