stubs_test.py 文件源码

def test_os_error_not_implemented(self):
    with self.assertRaises(OSError) as cm:
      stubs.os_error_not_implemented()
    self.mox.VerifyAll()
    e = cm.exception
    self.assertEqual(errno.ENOSYS, e.errno)
    self.assertEqual('Function not implemented', e.strerror)
    self.assertIsNone(e.filename)