Software_Programming_Python

2020-01-08

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修饰器

@classmethod

类方法，作用类变量

class polymorphsim(object):
    cls_var = "class variable"
    @classmethod
    def invoke(cls):
        return cls.cls_var

import unittest
from src.tech.polymorphsim import polymorphsim

class MyTestCase(unittest.TestCase):

    def test_invokeCls(self):
        __expected = "class variable"
        self.assertEqual(polymorphsim.invoke(),__expected)

if __name__ == '__main__':
    unittest.main()