Method assertCmdFails

Lib/test/test_calendar.py:1109–1113

(self, *args)

        return stderr

    def assertCmdFails(self, *args):
        rc, stdout, stderr = assert_python_failure('-m', 'calendar', *args)
        self.assertIn(b'usage:', stderr)
        self.assertEqual(rc, 2)
        return rc, stdout, stderr

    def assertFailure(self, *args):
        self.assertCLIFails(*args)