def test_connectionLost_does_not_log_reason_when_lost_cleanly(self):
listener = PostgresListenerService()
with TwistedLoggerFixture() as logger:
listener.connectionLost(Failure(error.ConnectionDone()))
self.assertThat(logger.errors, HasLength(0))
def test__connectionLost_logs_reason(self):
listener = PostgresListenerService()
failure = Failure(factory.make_exception("Treason!"))
with TwistedLoggerFixture() as logger:
listener.connectionLost(failure)
self.assertThat(
logger.output,
DocTestMatches("""\
Connection lost.
Traceback (most recent call last):...
Failure: maastesting.factory.TestException#...: Treason!
"""))
