pytest使用

安装：

pip install pytest

pip install pytest-cov

 

utils.py代码

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def add(a, b):     return a+b   def inc(x):     return x + 1   def func_except():     raise SystemExit(1)

test_utils.py 代码

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# -*- coding:utf-8 -*-   import pytest from utils import add, inc, func_except   def test_add():     assert add(1,1) == 2     assert add(1,2) == 3   def test_answer():     assert inc(3) == 4   def test_mytest():     with pytest.raises(SystemExit):         func_except()   # content of test_class.py class TestClass(object):     def test_one(self):         x = "this"         assert 'h' in x       def test_two(self):         x = "hello"         assert hasattr(x, 'find')

 

运行测试：

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>pytest . ========================================================================================================== test session starts =========================================================================================================== platform win32 -- Python 3.7.3, pytest-5.0.0, py-1.8.0, pluggy-0.12.0 rootdir: C:\Users\l00379637\PycharmProjects\cis_algo_refator plugins: cov-2.7.1 collected 5 items                                                                                                                                                                                                                           test_utils.py .....                                                                                                                                                                                                                 [100%]   ======================================================================================================== 5 passed in 0.16 seconds ========================================================================================================

　　

 

查看覆盖率：

pytest --cov=./

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pytest --cov=./ ========================================================================================================== test session starts =========================================================================================================== platform win32 -- Python 3.7.3, pytest-5.0.0, py-1.8.0, pluggy-0.12.0 rootdir: C:\Users\l00379637\PycharmProjects\cis_algo_refator plugins: cov-2.7.1 collected 5 items                                                                                                                                                                                                                           test_utils.py .....                                                                                                                                                                                                                 [100%]   ----------- coverage: platform win32, python 3.7.3-final-0 ----------- Name            Stmts   Miss  Cover ----------------------------------- test_utils.py      17      0   100% utils.py            6      0   100% ----------------------------------- TOTAL              23      0   100%     ======================================================================================================== 5 passed in 0.20 seconds ========================================================================================================