项目简介
pytest 是一个成熟的全功能 Python 测试工具，支持 fixture 参数化、丰富的插件架构和自动测试发现。提供详细的断言失败信息，方便调试。
README 预览
.. image:: https://github.com/pytest-dev/pytest/raw/main/doc/en/img/pytest_logo_curves.svg\n :target: https://docs.pytest.org/en/stable/\n :align: center\n :height: 200\n :alt: pytest\n\n\n------\n\n.. image:: https://img.shields.io/pypi/v/pytest.svg\n :target: https://pypi.org/project/pytest/\n\n.. image:: https://img.shields.io/conda/vn/conda-forge/pytest.svg\n :target: https://anaconda.org/conda-forge/pytest\n\n.. image:: https://img.shields.io/pypi/pyversions/pytest.svg\n :target: https://pypi.org/project/pytest/\n\n.. image:: https://codecov.io/gh/pytest-dev/pytest/branch/main/graph/badge.svg\n :target: https://codecov.io/gh/pytest-dev/pytest\n :alt: Code coverage Status\n\n.. image:: https://github.com/pytest-dev/pytest/actions/workflows/test.yml/badge.svg\n :target: https://github.com/pytest-dev/pytest/actions?query=workflow%3Atest\n\n.. image:: https://results.pre-commit.ci/badge/github/pytest-dev/pytest/main.svg\n :target: https://results.pre-commit.ci/latest/github/pytest-dev/pytest/main\n :alt: pre-commit.ci status\n\n.. image:: https://www.codetriage.com/pytest-dev/pytest/badges/users.svg\n :target: https://www.codetriage.com/pytest-dev/pytest\n\n.. image:: https://readthedocs.org/projects/pytest/badge/?version=latest\n :target: https://pytest.readthedocs.io/en/latest/?badge=latest\n :alt: Documentation Status\n\n.. image:: https://img.shields.io/badge/Discord-pytest--dev-blue\n :target: https://discord.com/invite/pytest-dev\n :alt: Discord\n\n.. image:: https://img.shields.io/badge/Libera%20chat-%23pytest-orange\n :target: https://web.libera.chat/#pytest\n :alt: Libera chat\n\n\nThe ``pytest`` framework makes it easy to write small tests, yet\nscales to support complex functional testing for applications and libraries.\n\nAn example of a simple test:\n\n.. code-block:: python\n\n # content of test_sample.py\n def inc(x):\n return x + 1\n\n\n def test_answer():\n assert inc(3) == 5