def test_flush_when_unsupported_by_stream():
'''Test flush executes without error when unsupported by stream.'''
target = Mock()
stream = Stream(
stream=target,
)
stream.flush()
def test_flush_when_supported_by_stream():
'''Test flush when supported by stream.'''
target = Mock()
target.flush = Mock()
stream = Stream(
stream=target,
)
stream.flush()
assert target.flush.called
