conftest.py 文件源码

def step(function):
    """Allow pytest -m stepX to run test up to a certain number."""
    step_number = len(_steps) + 1
    step_only_marker = "step{}only".format(step_number)
    marker_only = getattr(pytest.mark, step_only_marker)
    step_marker = "step{}".format(step_number)
    marker = getattr(pytest.mark, step_marker)
    def mark_function(marker):
        marker(function)
    for mark_step in _steps:
        mark_step(marker)
    _steps.append(mark_function)
    return marker_only(marker(function))