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<span id="examples"></span><h1>Usages and Examples<a class="headerlink" href="#usages-and-examples" title="Permalink to this headline">¶</a></h1>
<p>Here is a (growing) list of examples. <a class="reference internal" href="../contact.html#contact"><em>Contact</em></a> us if you
need more examples or have questions. Also take a look at the
<a class="reference internal" href="../contents.html#toc"><em>comprehensive documentation</em></a> which contains many example
snippets as well. Also, <a class="reference external" href="http://stackoverflow.com/search?q=pytest">pytest on stackoverflow.com</a> often comes with example
answers.</p>
<p>For basic examples, see</p>
<ul class="simple">
<li><a class="reference internal" href="../getting-started.html"><em>Installation and Getting Started</em></a> for basic introductory examples</li>
<li><a class="reference internal" href="../assert.html#assert"><em>Asserting with the assert statement</em></a> for basic assertion examples</li>
<li><a class="reference internal" href="../fixture.html#fixtures"><em>pytest fixtures: explicit, modular, scalable</em></a> for basic fixture/setup examples</li>
<li><a class="reference internal" href="../parametrize.html#parametrize"><em>Parametrizing fixtures and test functions</em></a> for basic test function parametrization</li>
<li><a class="reference internal" href="../unittest.html"><em>Support for unittest.TestCase / Integration of fixtures</em></a> for basic unittest integration</li>
<li><a class="reference internal" href="../nose.html"><em>Running tests written for nose</em></a> for basic nosetests integration</li>
</ul>
<p>The following examples aim at various use cases you might encounter.</p>
<div class="toctree-wrapper compound">
<ul>
<li class="toctree-l1"><a class="reference internal" href="reportingdemo.html">Demo of Python failure reports with pytest</a></li>
<li class="toctree-l1"><a class="reference internal" href="simple.html">Basic patterns and examples</a><ul>
<li class="toctree-l2"><a class="reference internal" href="simple.html#pass-different-values-to-a-test-function-depending-on-command-line-options">Pass different values to a test function, depending on command line options</a></li>
<li class="toctree-l2"><a class="reference internal" href="simple.html#dynamically-adding-command-line-options">Dynamically adding command line options</a></li>
<li class="toctree-l2"><a class="reference internal" href="simple.html#control-skipping-of-tests-according-to-command-line-option">Control skipping of tests according to command line option</a></li>
<li class="toctree-l2"><a class="reference internal" href="simple.html#writing-well-integrated-assertion-helpers">Writing well integrated assertion helpers</a></li>
<li class="toctree-l2"><a class="reference internal" href="simple.html#detect-if-running-from-within-a-pytest-run">Detect if running from within a pytest run</a></li>
<li class="toctree-l2"><a class="reference internal" href="simple.html#adding-info-to-test-report-header">Adding info to test report header</a></li>
<li class="toctree-l2"><a class="reference internal" href="simple.html#profiling-test-duration">profiling test duration</a></li>
<li class="toctree-l2"><a class="reference internal" href="simple.html#incremental-testing-test-steps">incremental testing - test steps</a></li>
<li class="toctree-l2"><a class="reference internal" href="simple.html#package-directory-level-fixtures-setups">Package/Directory-level fixtures (setups)</a></li>
<li class="toctree-l2"><a class="reference internal" href="simple.html#post-process-test-reports-failures">post-process test reports / failures</a></li>
<li class="toctree-l2"><a class="reference internal" href="simple.html#making-test-result-information-available-in-fixtures">Making test result information available in fixtures</a></li>
<li class="toctree-l2"><a class="reference internal" href="simple.html#integrating-pytest-runner-and-cx-freeze">Integrating pytest runner and cx_freeze</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="parametrize.html">Parametrizing tests</a><ul>
<li class="toctree-l2"><a class="reference internal" href="parametrize.html#generating-parameters-combinations-depending-on-command-line">Generating parameters combinations, depending on command line</a></li>
<li class="toctree-l2"><a class="reference internal" href="parametrize.html#different-options-for-test-ids">Different options for test IDs</a></li>
<li class="toctree-l2"><a class="reference internal" href="parametrize.html#a-quick-port-of-testscenarios">A quick port of “testscenarios”</a></li>
<li class="toctree-l2"><a class="reference internal" href="parametrize.html#deferring-the-setup-of-parametrized-resources">Deferring the setup of parametrized resources</a></li>
<li class="toctree-l2"><a class="reference internal" href="parametrize.html#parametrizing-test-methods-through-per-class-configuration">Parametrizing test methods through per-class configuration</a></li>
<li class="toctree-l2"><a class="reference internal" href="parametrize.html#indirect-parametrization-with-multiple-fixtures">Indirect parametrization with multiple fixtures</a></li>
<li class="toctree-l2"><a class="reference internal" href="parametrize.html#indirect-parametrization-of-optional-implementations-imports">Indirect parametrization of optional implementations/imports</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="markers.html">Working with custom markers</a><ul>
<li class="toctree-l2"><a class="reference internal" href="markers.html#marking-test-functions-and-selecting-them-for-a-run">Marking test functions and selecting them for a run</a></li>
<li class="toctree-l2"><a class="reference internal" href="markers.html#selecing-tests-based-on-their-node-id">Selecing tests based on their node ID</a></li>
<li class="toctree-l2"><a class="reference internal" href="markers.html#using-k-expr-to-select-tests-based-on-their-name">Using <tt class="docutils literal"><span class="pre">-k</span> <span class="pre">expr</span></tt> to select tests based on their name</a></li>
<li class="toctree-l2"><a class="reference internal" href="markers.html#registering-markers">Registering markers</a></li>
<li class="toctree-l2"><a class="reference internal" href="markers.html#marking-whole-classes-or-modules">Marking whole classes or modules</a></li>
<li class="toctree-l2"><a class="reference internal" href="markers.html#marking-individual-tests-when-using-parametrize">Marking individual tests when using parametrize</a></li>
<li class="toctree-l2"><a class="reference internal" href="markers.html#custom-marker-and-command-line-option-to-control-test-runs">Custom marker and command line option to control test runs</a></li>
<li class="toctree-l2"><a class="reference internal" href="markers.html#reading-markers-which-were-set-from-multiple-places">Reading markers which were set from multiple places</a></li>
<li class="toctree-l2"><a class="reference internal" href="markers.html#marking-platform-specific-tests-with-pytest">marking platform specific tests with pytest</a></li>
<li class="toctree-l2"><a class="reference internal" href="markers.html#automatically-adding-markers-based-on-test-names">Automatically adding markers based on test names</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="special.html">A session-fixture which can look at all collected tests</a></li>
<li class="toctree-l1"><a class="reference internal" href="pythoncollection.html">Changing standard (Python) test discovery</a><ul>
<li class="toctree-l2"><a class="reference internal" href="pythoncollection.html#changing-directory-recursion">Changing directory recursion</a></li>
<li class="toctree-l2"><a class="reference internal" href="pythoncollection.html#changing-naming-conventions">Changing naming conventions</a></li>
<li class="toctree-l2"><a class="reference internal" href="pythoncollection.html#interpreting-cmdline-arguments-as-python-packages">Interpreting cmdline arguments as Python packages</a></li>
<li class="toctree-l2"><a class="reference internal" href="pythoncollection.html#finding-out-what-is-collected">Finding out what is collected</a></li>
<li class="toctree-l2"><a class="reference internal" href="pythoncollection.html#customizing-test-collection-to-find-all-py-files">customizing test collection to find all .py files</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="nonpython.html">Working with non-python tests</a><ul>
<li class="toctree-l2"><a class="reference internal" href="nonpython.html#a-basic-example-for-specifying-tests-in-yaml-files">A basic example for specifying tests in Yaml files</a></li>
</ul>
</li>
</ul>
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