如果测试用例发现错误，请停止测试套件
问题描述：
我在Python中有一个testSuite，其中有几个testCases.
I have a testSuite in Python with several testCases.
如果testCase失败，则testSuite继续下一个testCase.我希望能够在testCase失败时停止testSuite，或者能够决定testSuite应该继续还是停止.
If a testCase fails, testSuite continues with the next testCase. I would like to be able to stop testSuite when a testCase fails or be able to decide if the testSuite should continue or stop.
答
自python 2.7起，unittest支持failfast选项.可以通过命令行指定:
Since Python 2.7, unittest support failfast option. It can be either specified by commandline:
python -m unittest -f test_module
或使用脚本时:
>>> from unittest import main
>>> main(module='test_module', failfast=True)
不幸的是，当您使用setuptools和setup.py时，我尚未发现如何指定此选项.
Unfortunately I haven't yet found out how to specify this option when you are using setuptools and setup.py.