pytest学习和使用 ✨1 pytest安装和版本查看

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1 学习来源

https://docs.pytest.org/en/latest/index.html

2 依赖的环境

环境版本
python>=3.6
平台支持linux、windows

3 本文学习环境

  • Python:3.7.0
  • 操作系统:windows10,64位
  • Pycharm:2020.2

4 pytest安装

  • 打开cmd命令行,直接输入:
pip install -U pytest
  • 安装如下:
C:\\Users\\Administrator>pip install -U pytest
Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple
Requirement already satisfied: pytest in d:\\python37\\lib\\site-packages (5.3.2)
Collecting pytest
  Downloading https://pypi.tuna.tsinghua.edu.cn/packages/a1/59/6821e900592fbe261f19d67e4def0cb27e52ef8ed16d9922c144961cc1ee/pytest-6.2.4-py3-none-any.whl (280 kB)
     |████████████████████████████████| 280 kB 1.6 MB/s
Requirement already satisfied: importlib-metadata>=0.12 in d:\\python37\\lib\\site-packages (from pytest) (2.1.1)
Requirement already satisfied: pluggy<1.0.0a1,>=0.12 in d:\\python37\\lib\\site-packages (from pytest) (0.13.1)
Requirement already satisfied: colorama in d:\\python37\\lib\\site-packages (from pytest) (0.4.4)
Requirement already satisfied: atomicwrites>=1.0 in d:\\python37\\lib\\site-packages (from pytest) (1.4.0)
Requirement already satisfied: toml in d:\\python37\\lib\\site-packages (from pytest) (0.10.2)
Requirement already satisfied: packaging in d:\\python37\\lib\\site-packages (from pytest) (20.8)
Requirement already satisfied: attrs>=19.2.0 in d:\\python37\\lib\\site-packages (from pytest) (20.3.0)
Requirement already satisfied: iniconfig in d:\\python37\\lib\\site-packages (from pytest) (1.1.1)
Requirement already satisfied: py>=1.8.2 in d:\\python37\\lib\\site-packages (from pytest) (1.10.0)
Requirement already satisfied: zipp>=0.5 in d:\\python37\\lib\\site-packages (from importlib-metadata>=0.12->pytest) (1.2.0)
Requirement already satisfied: pyparsing>=2.0.2 in d:\\python37\\lib\\site-packages (from packaging->pytest) (2.4.7)
Installing collected packages: pytest
  Attempting uninstall: pytest
    Found existing installation: pytest 5.3.2
    Uninstalling pytest-5.3.2:
      Successfully uninstalled pytest-5.3.2
Successfully installed pytest-6.2.4

5 查看pytest版本

  • 使用pip show命令
pip show pytest
(venv) F:\\pytest_study>pip show pytest
Name: pytest
Version: 6.2.4
Summary: pytest: simple powerful testing with Python
Home-page: https://docs.pytest.org/en/latest/
Author: Holger Krekel, Bruno Oliveira, Ronny Pfannschmidt, Floris Bruynooghe, Brianna Laugher, Florian Bruhin and others
Author-email:
License: MIT
Location: d:\\python37\\lib\\site-packages
Requires: pluggy, importlib-metadata, attrs, iniconfig, toml, py, packaging, atomicwrites, colorama
Required-by: pytest-xdist, pytest-rerunfailures, pytest-ordering, pytest-metadata, pytest-html, pytest-forked, pytest-cov, allure-pytest
  • 使用–version命令,如果报错提示如下:
    plugin = ep.load()
  File "d:\\python37\\lib\\site-packages\\importlib_metadata\\__init__.py", line 105, in load
    module = import_module(match.group('module'))
  File "d:\\python37\\lib\\importlib\\__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
  File "<frozen importlib._bootstrap>", line 983, in _find_and_load
  File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
  File "d:\\python37\\lib\\site-packages\\_pytest\\assertion\\rewrite.py", line 170, in exec_module
    exec(co, module.__dict__)
  File "d:\\python37\\lib\\site-packages\\pytest_rerunfailures.py", line 8, in <module>
    from _pytest.resultlog import ResultLog
ModuleNotFoundError: No module named '_pytest.resultlog'
  • 是因为之前安装过pytest-rerunfailures是用例失败重跑,pytest-rerunfailures不能与pytest 6.1.0以上的版本一起使用,所以卸载pytest-rerunfailures后使用pytest-reportlog来代替即可;
# 卸载pytest-rerunfailures
pip uninstall pytest-rerunfailures

# 安装pytest-reportlog
pip install pytest-reportlog
  • 再次查看pytest版本OK了
(venv) F:\\pytest_study>pytest -V
pytest 6.2.4

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