nose_runner.py 文件源码

def __call__(self):
        old_stderr = sys.stderr
        sys.stderr = mystderr = StringIO()
        test_dir = ytcfg.get("yt", "test_data_dir")
        answers_dir = os.path.join(test_dir, "answers")
        if '--with-answer-testing' in self.argv and \
                not os.path.isdir(os.path.join(answers_dir, self.name)):
            nose.run(argv=self.argv + ['--answer-store'],
                     addplugins=[AnswerTesting()], exit=False)
        if os.path.isfile("{}.xml".format(self.name)):
            os.remove("{}.xml".format(self.name))
        nose.run(argv=self.argv, addplugins=[AnswerTesting()], exit=False)
        sys.stderr = old_stderr
        return mystderr.getvalue()