test_host.py 文件源码

def test_doesnt_umount_on_error(self, log, check_output):
        mountpoint = '/mnt/guido'

        error = subprocess.CalledProcessError(123, 'mount it', 'Oops...')
        check_output.side_effect = error

        result = host.umount(mountpoint)

        self.assertFalse(result)
        check_output.assert_called_with(['umount', '/mnt/guido'])