??????????ù???

????????????????????С???????????????????????
?????????????????????????????????????С???????ζ???????????????????????????????????????Щ???????????????setUp()??setDown()?????????
??д??п?????????????Щ????￡????????????????????????????????е????????????????????????л????????????????????￡?????????????????????????????С?
???ò??????????????????????
???д?????????????????????????д????????????????Ρ????????????????д???????????κ????飻
??????????????????????
?????????????????????д????????????????????????????????????????????????????????????????????????
????????????ó????????????????????????????д????У????????square()??sqr()??????????????????У?????????test_square_of_number_2()??test_square_negativer_number()??Щ???????Щ?????????????????
????????????п?????
???????????????????????????????
???????????????

2.1 Unittest

unittest??Python??????????????API??Java??JUnit??.net??NUnit??C++??CppUnit???????

??????unittest.TestCase???????????????????

??????ο? ??? ??

???????

import unittest

def fun(x):
    return x + 1

class MyTest(unittest.TestCase):
    def test(self):
        self.assertEqual(fun(3)?? 4)
??к?????

?????????????????????5??????е?????????????




2.2 Doctest

doctest ??????????Щ??????????????? Python ??????Σ????????в???????.??????????? doctest????????????????????п??????????“??????????????????????????docstring?????” ???????????????????????????

????????

def square(x):
    """Squares x.

    >>> square(2)
    4
    >>> square(-2)
    4
    >>> square(5)
    25
    """

    return x * x

if __name__ == '__main__':
    import doctest
    doctest.testmod()
????и???????????????>>> ???????????????????е??????б?????е??????￡?



???????????????????￡?square(2)???????5????????????￡?

def square(x):
    """Squares x.

    >>> square(2)
    5
    >>> square(-2)
    4
    >>> square(5)
    25
    """

    return x * x

if __name__ == '__main__':
    import doctest
    doctest.testmod()
??е???????????????




2.3 py.test

py.test??unittest??????????

????????????????????????????????????????????????????????????д??????????????unittest?????????????????py.test????????????

py.test??? ??? ??

????????py.test

pip install pytest
?????????д???????

def func(x):
    return x + 1

def test_answer():
    assert func(3) == 5
??????????в??????

  ???pytest???·????
????????????????python.exe?????test.py ???????????磺

??е?????????????



2.4 Nose

Nose???unittest??????????python???????????nose???????????????У?nose?????????????????????????xUnitcompatible????????????

nose?????????? https://nose.readthedocs.org/en/latest/

???nose?????????python3?????????????????????

2.5 tox

??????????????????????????????????????????y??в????

tox?????????? http://testrun.org/tox/latest/

2.6  Unittest2

??unitest???????檔??API????????????????????????

unittest2?????????? https://pypi.python.org/pypi/unittest2

????????

pip install unittest2
??????????unittest??unittest2???????л??????????д??????￡?

import unittest2 as unittest

class MyTest(unittest.TestCase):
    ...
2.7 mock unittest.mock??????????python?????python3.3?汾???????????????? ????汾????????pip install mock ???а????

mock??????????????????????????????????????????????????????????????????
mock??????????http://www.voidspace.org.uk/python/mock/