test_cli.py 文件源码

def test_unsuccessful_validation(self):
        error = ValidationError("I am an error!", instance=1)
        stdout, stderr = StringIO(), StringIO()
        exit_code = cli.run(
            {
                "validator": fake_validator([error]),
                "schema": {},
                "instances": [1],
                "error_format": "{error.instance} - {error.message}",
            },
            stdout=stdout,
            stderr=stderr,
        )
        self.assertFalse(stdout.getvalue())
        self.assertEqual(stderr.getvalue(), "1 - I am an error!")
        self.assertEqual(exit_code, 1)