def test_ctor(refresher):
    assert len(refresher.refreshers) > 0
    actual_handlers = list(refresher.refreshers.keys())
    expected_handlers = ['schemata', 'tables', 'views', 'functions',
                         'types', 'databases']
    assert expected_handlers == actual_handlers
Find an MX record for the given domain.
dataset/ETHPy150Open dbcli/pgcli/tests/test_completion_refresher.py/test_ctor--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/mail/relaymanager.py/MXCalculator.getMX