runtests.py 文件源码

def run_tests(*test_args):
    """Discover and run tests."""
    if not test_args:
        test_args = ['tests']

    # Run tests
    runner = get_runner(settings)
    test_runner = runner()

    failures = test_runner.run_tests(test_args)

    if failures:
        sys.exit(bool(failures))