From b4c22342320d7de86c02dfb36415a38c62bec88d Mon Sep 17 00:00:00 2001 From: Richard van der Hoff Date: Tue, 31 Mar 2020 17:31:32 +0100 Subject: [PATCH] Make do_next_background_update return a bool returning a None or an int that we don't use is confusing. --- synapse/storage/background_updates.py | 12 +++++------- tests/storage/test_background_update.py | 6 +++--- 2 files changed, 8 insertions(+), 10 deletions(-) diff --git a/synapse/storage/background_updates.py b/synapse/storage/background_updates.py index 79494bcdf..4a59132bf 100644 --- a/synapse/storage/background_updates.py +++ b/synapse/storage/background_updates.py @@ -111,7 +111,7 @@ class BackgroundUpdater(object): except Exception: logger.exception("Error doing update") else: - if result is None: + if result: logger.info( "No more background updates to do." " Unscheduling background update task." @@ -169,9 +169,7 @@ class BackgroundUpdater(object): return not update_exists - async def do_next_background_update( - self, desired_duration_ms: float - ) -> Optional[int]: + async def do_next_background_update(self, desired_duration_ms: float) -> bool: """Does some amount of work on the next queued background update Returns once some amount of work is done. @@ -180,7 +178,7 @@ class BackgroundUpdater(object): desired_duration_ms(float): How long we want to spend updating. Returns: - None if there is no more work to do, otherwise an int + True if there is no more work to do, otherwise False """ if not self._background_update_queue: updates = await self.db.simple_select_list( @@ -195,14 +193,14 @@ class BackgroundUpdater(object): if not self._background_update_queue: # no work left to do - return None + return True # pop from the front, and add back to the back update_name = self._background_update_queue.pop(0) self._background_update_queue.append(update_name) res = await self._do_background_update(update_name, desired_duration_ms) - return res + return False async def _do_background_update( self, update_name: str, desired_duration_ms: float diff --git a/tests/storage/test_background_update.py b/tests/storage/test_background_update.py index e578de8ac..940b16612 100644 --- a/tests/storage/test_background_update.py +++ b/tests/storage/test_background_update.py @@ -56,7 +56,7 @@ class BackgroundUpdateTestCase(unittest.HomeserverTestCase): ), by=0.1, ) - self.assertIsNotNone(res) + self.assertFalse(res) # on the first call, we should get run with the default background update size self.update_handler.assert_called_once_with( @@ -79,7 +79,7 @@ class BackgroundUpdateTestCase(unittest.HomeserverTestCase): result = self.get_success( self.updates.do_next_background_update(target_background_update_duration_ms) ) - self.assertIsNotNone(result) + self.assertFalse(result) self.update_handler.assert_called_once() # third step: we don't expect to be called any more @@ -87,5 +87,5 @@ class BackgroundUpdateTestCase(unittest.HomeserverTestCase): result = self.get_success( self.updates.do_next_background_update(target_background_update_duration_ms) ) - self.assertIsNone(result) + self.assertTrue(result) self.assertFalse(self.update_handler.called)