Pytest单元测试系列[v1.0.0][pytest-instafail]

原创

Davieyang 2021-07-13 11:28:26 博主文章分类：Python单元测试 ©著作权

文章标签 Python单元测试框架[Pytest] pytest pytest-instafail 经验分享 文章分类 软件测试 yyds干货盘点

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当测试执行遇到失败或错误时能及时看到详细的堆栈信息

pytest-instafail：See Details of Failures and Errors

[https://pypi.python.org/pypi/pytest-instafail]
执行命令pip install pytest-instafail安装插件

E:\Programs\Python\Python_Pytest\TestScripts>pip install pytest-instafail
Collecting pytest-instafail
  Downloading https://files.pythonhosted.org/packages/fa/16/473621ad68cc2a1cb2888478e66db5080a06adf695470c8dd4ec669c25d5/pytest-instafail-0.4.1.tar.gz
Requirement already satisfied: pytest>=2.9 in c:\python37\lib\site-packages (from pytest-instafail) (4.5.0)
Requirement already satisfied: attrs>=17.4.0 in c:\python37\lib\site-packages (from pytest>=2.9->pytest-instafail) (19.1.0)
Requirement already satisfied: more-itertools>=4.0.0; python_version > "2.7" in c:\python37\lib\site-packages (from pytest>=2.9->pytest-instafail) (7.0.0)
Requirement already satisfied: six>=1.10.0 in c:\python37\lib\site-packages (from pytest>=2.9->pytest-instafail) (1.12.0)
Requirement already satisfied: atomicwrites>=1.0 in c:\python37\lib\site-packages (from pytest>=2.9->pytest-instafail) (1.3.0)
Requirement already satisfied: setuptools in c:\users\davieyang\appdata\roaming\python\python37\site-packages (from pytest>=2.9->pytest-instafail) (41.0.1)
Requirement already satisfied: pluggy!=0.10,<1.0,>=0.9 in c:\python37\lib\site-packages (from pytest>=2.9->pytest-instafail) (0.11.0)
Requirement already satisfied: colorama; sys_platform == "win32" in c:\python37\lib\site-packages (from pytest>=2.9->pytest-instafail) (0.4.1)
Requirement already satisfied: wcwidth in c:\python37\lib\site-packages (from pytest>=2.9->pytest-instafail) (0.1.7)
Requirement already satisfied: py>=1.5.0 in c:\python37\lib\site-packages (from pytest>=2.9->pytest-instafail) (1.8.0)
Building wheels for collected packages: pytest-instafail
  Building wheel for pytest-instafail (setup.py) ... done
  Stored in directory: C:\Users\davieyang\AppData\Local\pip\Cache\wheels\16\cb\de\3a1d2f5c992fedf9a86b8eead949a606a6c953228ac1fe0655
Successfully built pytest-instafail
Installing collected packages: pytest-instafail
Successfully installed pytest-instafail-0.4.1

通常情况下，pytest执行完毕后，会显示错误和失败用例的堆栈信息，如果测试用例比较多，运行时间太长，很可能我们希望不是到最才看到堆栈回溯信息，使用此插件便可以测试执行失败立马显示异常信息

执行测试

E:\Programs\Python\Python_Pytest\TestScripts>pytest --tb=line --instafail
========================= test session starts ========================================
platform win32 -- Python 3.7.3, pytest-4.5.0, py-1.8.0, pluggy-0.11.0
rootdir: E:\Programs\Python\Python_Pytest\TestScripts
plugins: xdist-1.29.0, timeout-1.3.3, repeat-0.8.0, instafail-0.4.1, forked-1.0.2, allure-pytest-2.6.3
collected 17 items                                                                                                                                                         

test_asserts.py ...F

E:\Programs\Python\Python_Pytest\TestScripts\test_asserts.py:34: assert 39 >= 50

test_asserts.py ..F

E:\Programs\Python\Python_Pytest\TestScripts\test_asserts.py:65: assert not True

test_fixture1.py ..                                                                                                                                                  [ 52%]
test_fixture2.py ..                                                                                                                                                  [ 64%]
test_one.py .F

E:\Programs\Python\Python_Pytest\TestScripts\test_one.py:9: assert (1, 2, 3) == (3, 2, 1)

test_two.py ....                                                                                                                                                     [100%]
=================== 3 failed, 14 passed, 1 warnings in 0.32 seconds =======================