html随机选数代码介绍 html随机数生成器( 四 )

[dechin@dechin-manjaro pytest]$ python3 -m pip install pytest-htmlCollecting pytest-htmlDownloading pytest_html-3.1.1-py3-none-any.whl (14 kB)Collecting pytest-metadataDownloading pytest_metadata-1.11.0-py2.py3-none-any.whl (10 kB)Requirement already satisfied: pytest!=6.0.0,>=5.0 in /home/dechin/anaconda3/lib/python3.8/site-packages (from pytest-html) (6.2.1)Requirement already satisfied: attrs>=19.2.0 in /home/dechin/anaconda3/lib/python3.8/site-packages (from pytest!=6.0.0,>=5.0->pytest-html) (20.3.0)Requirement already satisfied: py>=1.8.2 in /home/dechin/anaconda3/lib/python3.8/site-packages (from pytest!=6.0.0,>=5.0->pytest-html) (1.9.0)Requirement already satisfied: toml in /home/dechin/anaconda3/lib/python3.8/site-packages (from pytest!=6.0.0,>=5.0->pytest-html) (0.10.1)Requirement already satisfied: packaging in /home/dechin/anaconda3/lib/python3.8/site-packages (from pytest!=6.0.0,>=5.0->pytest-html) (20.4)Requirement already satisfied: pluggy<1.0.0a1,>=0.12 in /home/dechin/anaconda3/lib/python3.8/site-packages (from pytest!=6.0.0,>=5.0->pytest-html) (0.13.1)Requirement already satisfied: iniconfig in /home/dechin/anaconda3/lib/python3.8/site-packages (from pytest!=6.0.0,>=5.0->pytest-html) (1.1.1)Requirement already satisfied: six in /home/dechin/anaconda3/lib/python3.8/site-packages (from packaging->pytest!=6.0.0,>=5.0->pytest-html) (1.15.0)Requirement already satisfied: pyparsing>=2.0.2 in /home/dechin/anaconda3/lib/python3.8/site-packages (from packaging->pytest!=6.0.0,>=5.0->pytest-html) (2.4.7)Installing collected packages: pytest-metadata, pytest-htmlSuccessfully installed pytest-html-3.1.1 pytest-metadata-1.11.0安装成功后，执行如下指令，可以在当前目录下生成一个指定文件名的html文件，如下图所示，就比较全面且美观的展示了测试中的信息：
[dechin@dechin-manjaro pytest]$ py.test --html=pytest_report.html=========================================== test session starts ============================================platform linux -- Python 3.8.5, pytest-6.2.2, py-1.9.0, pluggy-0.13.1rootdir: /home/dechin/projects/2021-python/pytest, configfile: pytest.iniplugins: cov-2.11.1, metadata-1.11.0, html-3.1.1collected 1 itemtest_random_number.py .[100%]--------- generated html file: file:///home/dechin/projects/2021-python/pytest/pytest_report.html ----------============================================ 1 passed in 0.51s =============================================不过在问题数量并不是很多的情况下，直接看命令行输出也是比较方便的。
pytest覆盖率测试在一个python仓库中我们有可能有非常多的函数、类和文件等，为了保障结果的准确性，我们需要能够给出一个可信的覆盖率测试的结论，只有当覆盖率达到100%时，我们才能认为测试工作已经比较全面的考虑。当然，覆盖率100%的测试，其实并不能保障100%的不出问题，这就是另外的话题了。首先我们又需要补充安装一个组件pytest-cov：
[dechin@dechin-manjaro pytest]$ python3 -m pip install pytest-covCollecting pytest-covDownloading pytest_cov-2.11.1-py2.py3-none-any.whl (20 kB)Collecting coverage>=5.2.1Downloading coverage-5.4-cp38-cp38-manylinux2010_x86_64.whl (245 kB)|████████████████████████████████| 245 kB 15 kB/s Requirement already satisfied: pytest>=4.6 in /home/dechin/anaconda3/lib/python3.8/site-packages (from pytest-cov) (6.2.1)Requirement already satisfied: attrs>=19.2.0 in /home/dechin/anaconda3/lib/python3.8/site-packages (from pytest>=4.6->pytest-cov) (20.3.0)Requirement already satisfied: packaging in /home/dechin/anaconda3/lib/python3.8/site-packages (from pytest>=4.6->pytest-cov) (20.4)Requirement already satisfied: iniconfig in /home/dechin/anaconda3/lib/python3.8/site-packages (from pytest>=4.6->pytest-cov) (1.1.1)Requirement already satisfied: toml in /home/dechin/anaconda3/lib/python3.8/site-packages (from pytest>=4.6->pytest-cov) (0.10.1)Requirement already satisfied: py>=1.8.2 in /home/dechin/anaconda3/lib/python3.8/site-packages (from pytest>=4.6->pytest-cov) (1.9.0)Requirement already satisfied: pluggy<1.0.0a1,>=0.12 in /home/dechin/anaconda3/lib/python3.8/site-packages (from pytest>=4.6->pytest-cov) (0.13.1)Requirement already satisfied: six in /home/dechin/anaconda3/lib/python3.8/site-packages (from packaging->pytest>=4.6->pytest-cov) (1.15.0)Requirement already satisfied: pyparsing>=2.0.2 in /home/dechin/anaconda3/lib/python3.8/site-packages (from packaging->pytest>=4.6->pytest-cov) (2.4.7)Installing collected packages: coverage, pytest-covSuccessfully installed coverage-5.4 pytest-cov-2.11.1然后在当前目录下执行以下指令：

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