test_timer_collector.py 文件源码

def test_captures_and_measures_elapsed_time(seconds):
    with capture_result_collected() as captured:
        with freeze_time('2016-09-22 15:57:01') as frozen_time:
            with TimeCollector():
                frozen_time.tick(timedelta(seconds=seconds))
    assert len(captured.calls) == 1
    assert pytest.approx(seconds) == captured.calls[0]['results'][0].value