#!/usr/bin/env python
# -*- coding: utf-8 -*-
import json
import requestsdef send_request(url):r = requests.get(url)return json.loads(r.text)def visit_ustack():return send_request('http://api.kanzhihu.com/getposts')if __name__ == '__main__':content = visit_ustack()print content

#!/usr/bin/env python
# -*- coding: utf-8 -*-import system_bdef system_b_test():if system_b.visit_ustack()['count'] == 10:print "system b正常,测试通过"else:print "system b异常,测试失败"system_b_test()

/System/Library/Frameworks/Python.framework/Versions/2.7/bin/python /Users/lsf/PycharmProjects/py_pattern/test.py
system b正常,测试通过Process finished with exit code 0

#!/usr/bin/env python
# -*- coding: utf-8 -*-def send_request(url):passdef visit_ustack():return send_request('http://api.kanzhihu.com/getposts')if __name__ == '__main__':content = visit_ustack()print content

#!/usr/bin/env python
# -*- coding: utf-8 -*-import mock
import system_bdef system_b_test():
    mock_result = {u'count': 1000, u'publishtime': u'1470798000', u'date': u'2016-08-10', u'id': u'2375'}], u'error': u''}system_b.send_request = mock.Mock(return_value=mock_result)if system_b.visit_ustack()['count'] == 1000:print "system b正常,测试通过"else:print "system b异常,测试失败"system_b_test()

/System/Library/Frameworks/Python.framework/Versions/2.7/bin/python /Applications/PyCharm.app/Contents/helpers/pycharm/utrunner.py /Users/lsf/PycharmProjects/py_pattern/test.py true
Testing started at 15:24 ...
system b正常,测试通过Process finished with exit code 0
Empty test suite.

#!/usr/bin/env python
# -*- coding: utf-8 -*-import mockclass By(object):def add(self, a, b):return a + b + self.multiply(a,b)def multiply(self, a, b):passb  = By()class MockDemo(object):def __init__(self):self.b  = b@mock.patch.object(b,'multiply')def test_add(self,mock_multiply):a = 3b = 5mock_multiply.return_value = 15if self.b.add(a,b) == 23:print "mock成功"else:print "mock失败"if __name__ == '__main__':MockDemo().test_add()