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<H1><A NAME="SECTION007400000000000000000">
5.4 <tt class="module">test</tt> --
         Regression tests package for Python</A>
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<A NAME="module-test"></A>

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The <tt class="module">test</tt> package contains all regression tests for Python as
well as the modules <tt class="module">test.test_support</tt> and
<tt class="module">test.regrtest</tt>.  <tt class="module">test.test_support</tt> is used to enhance
your tests while <tt class="module">test.regrtest</tt> drives the testing suite.

<P>
Each module in the <tt class="module">test</tt> package whose name starts with
"<tt class="samp">test_</tt>" is a testing suite for a specific module or feature.
All new tests should be written using the <tt class="module"><a href="module-unittest.html">unittest</a></tt> module;
using <tt class="module"><a href="module-unittest.html">unittest</a></tt> is not required but makes the tests more
flexible and maintenance of the tests easier.  Some older tests are
written to use <tt class="module"><a href="module-doctest.html">doctest</a></tt> and a ``traditional'' testing
style; these styles of tests will not be covered.

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    <dt>Module <b><tt class="module"><a href="module-unittest.html">unittest</a></tt>:</b>
    <dd>Writing PyUnit regression tests.
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    <dt>Module <b><tt class="module"><a href="module-doctest.html">doctest</a></tt>:</b>
    <dd>Tests embedded in documentation strings.
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<LI><A href="writing-tests.html">5.4.1 Writing Unit Tests for the <tt class="module">test</tt> package</a>
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<span class="release-info">Release 2.4.2, documentation updated on 28 September 2005.</span>
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