Method invoke_pickle

Lib/test/test_pickle.py:776–780

(self, *flags)

            pickle.dump(data, f)

    def invoke_pickle(self, *flags):
        output = io.StringIO()
        with contextlib.redirect_stdout(output):
            pickle._main(args=[*flags, self.filename])
        return self.text_normalize(output.getvalue())

    def test_invocation(self):
        # test 'python -m pickle pickle_file'