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<div class="section" id="pytest-2-3-4-stabilization-more-flexible-selection-via-k-expr">
<h1>pytest-2.3.4: stabilization, more flexible selection via “-k expr”<a class="headerlink" href="#pytest-2-3-4-stabilization-more-flexible-selection-via-k-expr" title="Permalink to this headline">¶</a></h1>
<p>pytest-2.3.4 is a small stabilization release of the py.test tool
which offers uebersimple assertions, scalable fixture mechanisms
and deep customization for testing with Python. This release
comes with the following fixes and features:</p>
<ul class="simple">
<li>make “-k” option accept an expressions the same as with “-m” so that one
can write: -k “name1 or name2” etc. This is a slight usage incompatibility
if you used special syntax like “TestClass.test_method” which you now
need to write as -k “TestClass and test_method” to match a certain
method in a certain test class.</li>
<li>allow to dynamically define markers via
item.keywords[...]=assignment integrating with “-m” option</li>
<li>yielded test functions will now have autouse-fixtures active but
cannot accept fixtures as funcargs - it’s anyway recommended to
rather use the post-2.0 parametrize features instead of yield, see:
<a class="reference external" href="http://pytest.org/latest/example/parametrize.html">http://pytest.org/latest/example/parametrize.html</a></li>
<li>fix autouse-issue where autouse-fixtures would not be discovered
if defined in a a/conftest.py file and tests in a/tests/test_some.py</li>
<li>fix issue226 - LIFO ordering for fixture teardowns</li>
<li>fix issue224 - invocations with >256 char arguments now work</li>
<li>fix issue91 - add/discuss package/directory level setups in example</li>
<li>fixes related to autouse discovery and calling</li>
</ul>
<p>Thanks in particular to Thomas Waldmann for spotting and reporting issues.</p>
<p>See</p>
<blockquote>
<div><a class="reference external" href="http://pytest.org/">http://pytest.org/</a></div></blockquote>
<p>for general information. To install or upgrade pytest:</p>
<blockquote>
<div>pip install -U pytest # or
easy_install -U pytest</div></blockquote>
<p>best,
holger krekel</p>
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