async def test_disabled_at_install(coord: Coordinator, dest, time): """ Verifies that at install time, if some snapshots are already present the addon doesn't try to sync over and over when drive is disabled. This was a problem at one point. """ dest.setEnabled(True) await coord.sync() assert len(coord.snapshots()) == 1 dest.setEnabled(False) time.advance(days=5) assert coord.check() await coord.sync() assert not coord.check()
async def test_alternate_timezone(coord: Coordinator, time: FakeTime, model: Model, dest, source, simple_config: Config): time.setTimeZone("Europe/Stockholm") simple_config.override(Setting.BACKUP_TIME_OF_DAY, "12:00") simple_config.override(Setting.DAYS_BETWEEN_BACKUPS, 1) source.setMax(10) source.insert("Fri", time.toUtc(time.local(2020, 3, 16, 18, 5))) time.setNow(time.local(2020, 3, 16, 18, 6)) model.reinitialize() coord.reset() await coord.sync() assert not coord.check() assert coord.nextBackupTime() == time.local(2020, 3, 17, 12) time.setNow(time.local(2020, 3, 17, 11, 59)) await coord.sync() assert not coord.check() time.setNow(time.local(2020, 3, 17, 12)) assert coord.check()
async def test_backoff(coord: Coordinator, model, source: HelperTestSource, dest: HelperTestSource, snapshot, time: FakeTime, simple_config: Config): assert coord.check() simple_config.override(Setting.DAYS_BETWEEN_SNAPSHOTS, 1) simple_config.override(Setting.MAX_SYNC_INTERVAL_SECONDS, 60 * 60 * 6) assert coord.nextSyncAttempt() == time.now() + timedelta(hours=6) assert not coord.check() error = Exception("BOOM") old_sync = model.sync model.sync = lambda s: doRaise(error) await coord.sync() # first backoff should be 0 seconds assert coord.nextSyncAttempt() == time.now() assert coord.check() # backoff maxes out at 1 hr = 3600 seconds for seconds in [ 10, 20, 40, 80, 160, 320, 640, 1280, 2560, 3600, 3600, 3600 ]: await coord.sync() assert coord.nextSyncAttempt() == time.now() + timedelta( seconds=seconds) assert not coord.check() assert not coord.check() assert not coord.check() # a good sync resets it back to 6 hours from now model.sync = old_sync await coord.sync() assert coord.nextSyncAttempt() == time.now() + timedelta(hours=6) assert not coord.check() # if the next snapshot is less that 6 hours from the last one, that that shoudl be when we sync simple_config.override(Setting.DAYS_BETWEEN_SNAPSHOTS, 1.0 / 24.0) assert coord.nextSyncAttempt() == time.now() + timedelta(hours=1) assert not coord.check() time.advance(hours=2) assert coord.nextSyncAttempt() == time.now() - timedelta(hours=1) assert coord.check()