docs-pytest-org-en-7.2.x.zip资源-CSDN下载

共36个文件

svg：12个

js：11个

css：5个

需积分: 10 123 浏览量 2023-03-19 04:24:40 上传评论收藏 795KB ZIP 举报

《Pytest 框架详解：7.2.x版本特性及使用指南》 Pytest，一个功能强大且灵活的Python测试框架，自7.2.x版本以来，它继续保持着其在自动化测试领域的领先地位。该版本引入了多项改进和新特性，使得测试编写更加便捷，调试更为高效。本文将深入探讨pytest-7.2.x的核心特性，帮助开发者更好地理解和利用这个强大的工具。 1. **参数化增强** Pytest 7.2.x版本增强了参数化功能，允许开发者以更灵活的方式定义测试用例的参数。新的`@pytest.mark.parametrize`装饰器支持更复杂的参数结构，如嵌套列表和字典，使测试场景覆盖更全面。 2. **更好的类型检查** 新版本加强了对类型注解的支持，提高了代码的可读性和可维护性。现在，pytest可以利用Python 3的类型提示进行更严格的输入验证，减少因类型错误导致的测试失败。 3. **异步测试支持** 针对Python的asyncio库，pytest 7.2.x提供了原生的异步测试支持。开发者可以直接在测试函数中使用`async def`，pytest会自动识别并正确地执行异步测试用例。 4. **断言重写** 7.2.x版本进一步优化了断言重写机制，提供更丰富的错误报告和定位。现在，当断言失败时，pytest会显示更详细的上下文信息，包括被比较的对象和期望值，便于快速定位问题。 5. **集合与子集合比较** 在处理集合类型的断言时，pytest 7.2.x引入了新的比较操作，可以检查一个集合是否是另一个集合的子集或超集，这对于验证数据的完整性非常有用。 6. **自定义日志记录** 新版本增强了日志记录的集成，允许用户自定义日志收集和处理方式。这使得在测试过程中产生的日志信息更易于管理和分析。 7. **测试报告和覆盖率** Pytest 7.2.x改进了测试报告的生成，提供了更丰富的输出选项，包括XML格式，方便与其他持续集成系统集成。同时，通过`pytest-cov`插件，可以轻松计算和展示代码覆盖率，为持续改进测试质量提供直观的数据支持。 8. **更好的插件兼容性** Pytest 7.2.x对插件系统的兼容性进行了优化，确保第三方插件能更好地与新版本协同工作，扩展了pytest的功能边界。 9. **性能提升** 在保持强大功能的同时，7.2.x版本还注重了性能优化，降低了测试运行时间，提升了测试效率。 10. **错误和异常处理** 对于测试中出现的错误和异常，pytest 7.2.x提供了更精确的定位和错误堆栈跟踪，帮助开发者快速定位问题所在。总结，Pytest 7.2.x版本在多个方面进行了改进和增强，无论是对于新手还是经验丰富的测试开发者，都能提供更加友好和高效的测试环境。了解并掌握这些特性，将极大地提升您的测试开发效率，保证项目的质量和稳定性。在实际项目中，合理运用pytest的这些功能，能够有效地提高测试覆盖率，降低维护成本，为软件开发保驾护航。

资源推荐

资源详情

资源评论

收起资源包目录

docs-pytest-org-en-7.2.x.zip （36个子文件）

pytest-7.2.x

.buildinfo 230B

objects.inv 14KB

_images

fixture_availability_plugins.svg 5KB

test_fixtures_order_autouse_multiple_scopes.svg 3KB

test_fixtures_order_autouse_temp_effects.svg 4KB

test_fixtures_request_different_scope.svg 4KB

test_fixtures_order_autouse_flat.svg 2KB

test_fixtures_order_dependencies_unclear.svg 2KB

fixture_availability.svg 5KB

freiburg2.jpg 102KB

test_fixtures_order_autouse.svg 2KB

test_fixtures_order_dependencies.svg 2KB

test_fixtures_order_scope.svg 2KB

test_fixtures_order_dependencies_flat.svg 2KB

_static

plus.png 90B

file.png 286B

language_data.js 5KB

pocoo.css 8KB

jquery-3.6.0.js 282KB

version_warning_offset.js 2KB

underscore-1.13.1.js 67KB

documentation_options.js 445B

underscore.js 19KB

pytest_logo_curves.svg 8KB

pygments.css 5KB

pygments_pytest.css 386B

_sphinx_javascript_frameworks_compat.js 4KB

sphinx_highlight.js 5KB

searchtools.js 18KB

minus.png 90B

doctools.js 4KB

flask.css 219B

jquery.js 87KB

basic.css 14KB

favicon.png 1KB

contents.html 3.33MB

<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>pytest documentation</title> <link rel="stylesheet" type="text/css" href="_static/pygments.css" /> <link rel="stylesheet" type="text/css" href="_static/flask.css" /> <link rel="stylesheet" type="text/css" href="_static/pygments_pytest.css" /> <link rel="stylesheet" type="text/css" href="_static/_static/css/badge_only.css" /> <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script> <script src="_static/jquery.js"></script> <script src="_static/underscore.js"></script> <script src="_static/_sphinx_javascript_frameworks_compat.js"></script> <script src="_static/doctools.js"></script> <script src="_static/sphinx_highlight.js"></script> <link rel="canonical" href="https://docs.pytest.org/en/7.2.x/contents.html" /> <link rel="shortcut icon" href="_static/favicon.png"/> <link rel="search" title="Search" href="search.html" /> <script>DOCUMENTATION_OPTIONS.URL_ROOT = '';</script> </head><body> <div class="related" role="navigation" aria-label="related navigation"> <h3>Navigation</h3> <ul> <li class="nav-item nav-item-0"><a href="#">pytest-7.2</a> »</li> <li class="nav-item nav-item-this"><a href="">pytest documentation</a></li> </ul> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body" role="main"> <section id="full-pytest-documentation"> <span id="toc"></span><h1>Full pytest documentation<a class="headerlink" href="#full-pytest-documentation" title="Permalink to this heading">¶</a></h1> <p><a class="reference external" href="https://media.readthedocs.org/pdf/pytest/latest/pytest.pdf">Download latest version as PDF</a></p> <section id="start-here"> <h2>Start here<a class="headerlink" href="#start-here" title="Permalink to this heading">¶</a></h2> <div class="toctree-wrapper compound"> <span id="document-getting-started"></span><section id="get-started"> <span id="id1"></span><h3>Get Started<a class="headerlink" href="#get-started" title="Permalink to this heading">¶</a></h3> <section id="install-pytest"> <span id="installation"></span><span id="getstarted"></span><h4>Install <code class="docutils literal notranslate"><span class="pre">pytest</span></code><a class="headerlink" href="#install-pytest" title="Permalink to this heading">¶</a></h4> <p><code class="docutils literal notranslate"><span class="pre">pytest</span></code> requires: Python 3.7+ or PyPy3.</p> <ol class="arabic simple"> <li><p>Run the following command in your command line:</p></li> </ol> <div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>pip<span class="w"> </span>install<span class="w"> </span>-U<span class="w"> </span>pytest </pre></div> </div> <ol class="arabic simple" start="2"> <li><p>Check that you installed the correct version:</p></li> </ol> <div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>pytest<span class="w"> </span>--version pytest<span class="w"> </span><span class="m">7</span>.2.2 </pre></div> </div> </section> <section id="create-your-first-test"> <span id="simpletest"></span><h4>Create your first test<a class="headerlink" href="#create-your-first-test" title="Permalink to this heading">¶</a></h4> <p>Create a new file called <code class="docutils literal notranslate"><span class="pre">test_sample.py</span></code>, containing a function, and a test:</p> <div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="c1"># content of test_sample.py</span> <span class="k">def</span> <span class="nf">func</span><span class="p">(</span><span class="n">x</span><span class="p">):</span> <span class="k">return</span> <span class="n">x</span> <span class="o">+</span> <span class="mi">1</span> <span class="k">def</span> <span class="nf">test_answer</span><span class="p">():</span> <span class="k">assert</span> <span class="n">func</span><span class="p">(</span><span class="mi">3</span><span class="p">)</span> <span class="o">==</span> <span class="mi">5</span> </pre></div> </div> <p>The test</p> <div class="highlight-pytest notranslate"><div class="highlight"><pre><span></span>$ pytest <span class=" -Color -Color-Bold">=========================== test session starts ============================</span> platform linux -- Python 3.x.y, pytest-7.x.y, pluggy-1.x.y rootdir: /home/sweet/project collected 1 item test_sample.py <span class=" -Color -Color-Red">F</span> <span class=" -Color -Color-Red">[100%]</span> ================================= FAILURES ================================= <span class=" -Color -Color-Bold -Color-Bold-Red">_______________________________ test_answer ________________________________</span> def test_answer(): > assert func(3) == 5 <span class=" -Color -Color-Bold -Color-Bold-Red">E assert 4 == 5</span> <span class=" -Color -Color-Bold -Color-Bold-Red">E + where 4 = func(3)</span> <span class=" -Color -Color-Bold -Color-Bold-Red">test_sample.py</span>:6: AssertionError <span class=" -Color -Color-Bold -Color-Bold-Cyan">========================= short test summary info ==========================</span> <span class=" -Color -Color-Red">FAILED</span> test_sample.py::<span class=" -Color -Color-Bold">test_answer</span> - assert 4 == 5 <span class=" -Color -Color-Red">============================ </span><span class=" -Color -Color-Bold -Color-Bold-Red">1 failed</span><span class=" -Color -Color-Red"> in 0.12s =============================</span> </pre></div> </div> <p>The <code class="docutils literal notranslate"><span class="pre">[100%]</span></code> refers to the overall progress of running all test cases. After it finishes, pytest then shows a failure report because <code class="docutils literal notranslate"><span class="pre">func(3)</span></code> does not return <code class="docutils literal notranslate"><span class="pre">5</span></code>.</p> <div class="admonition note"> <p class="admonition-title">Note</p> <p>You can use the <code class="docutils literal notranslate"><span class="pre">assert</span></code> statement to verify test expectations. pytest’s <a class="reference external" href="https://docs.python.org/3/reference/simple_stmts.html#assert" title="(in Python v3.11)"><span class="xref std std-ref">Advanced assertion introspection</span></a> will intelligently report intermediate values of the assert expression so you can avoid the many names <a class="reference external" href="https://docs.python.org/3/library/unittest.html#testcase-objects" title="(in Python v3.11)"><span class="xref std std-ref">of JUnit legacy methods</span></a>.</p> </div> </section> <section id="run-multiple-tests"> <h4>Run multiple tests<a class="headerlink" href="#run-multiple-tests" title="Permalink to this heading">¶</a></h4> <p><code class="docutils literal notranslate"><span class="pre">pytest</span></code> will run all files of the form test_*.py or *_test.py in the current directory and its subdirectories. More generally, it follows <a class="reference internal" href="contents.html#test-discovery"><span class="std std-ref">standard test discovery rules</span></a>.</p> </section> <section id="assert-that-a-certain-exception-is-raised"> <h4>Assert that a certain exception is raised<a class="headerlink" href="#assert-that-a-certain-exception-is-raised" title="Permalink to this heading">¶</a></h4> <p>Use the <a class="reference internal" href="contents.html#assertraises"><span class="std std-ref">raises</span></a> helper to assert that some code raises an exception:</p> <div class="high

评论收藏

内容反馈