def test_check_status_server_error(self, cassandra_connect_mock):
repo = cassandra_repo.MetricsRepository()
cassandra_connect_mock.side_effect = \
cassandra.DriverException("Cluster is already shut down")
result = repo.check_status()
self.assertEqual(result, (False, 'Cluster is already shut down'))
def execute(self, *args, **kwargs):
self.calls += 1
raise cassandra.DriverException()