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<title>5.4.2 Running tests using test.regrtest
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<H2><A NAME=
"SECTION007420000000000000000"></A><A NAME=
"regrtest"></A>
5.4.2 Running tests using
<tt class=
"module">test.regrtest
</tt>
<tt class=
"module">test.regrtest
</tt> can be used as a script to drive Python's
Running the script by itself automatically starts running all
regression tests in the
<tt class=
"module">test
</tt> package.
It does this by finding all modules in the package whose name starts with
"<tt class="samp
">test_</tt>", importing them, and executing the function
<tt class=
"function">test_main()
</tt> if present.
The names of tests to execute may also be passed to the script.
Specifying a single regression test (
<b class=
"program">python regrtest.py
</b>
<b class=
"programopt">test_spam.py
</b>) will minimize output and only print whether
the test passed or failed and thus minimize output.
Running
<tt class=
"module">test.regrtest
</tt> directly allows what resources are
available for tests to use to be set.
You do this by using the
<b class=
"programopt">-u
</b> command-line option.
Run
<b class=
"program">python regrtest.py
</b> <b class=
"programopt">-uall
</b> to turn on all
resources; specifying
<b class=
"programopt">all
</b> as an option for
<b class=
"programopt">-u
</b> enables all possible resources.
If all but one resource is desired (a more common case), a
comma-separated list of resources that are not desired may be listed after
<b class=
"programopt">all
</b>.
The command
<b class=
"program">python regrtest.py
</b>
<b class=
"programopt">-uall,-audio,-largefile
</b> will run
<tt class=
"module">test.regrtest
</tt>
with all resources except the
<b class=
"programopt">audio
</b> and
<b class=
"programopt">largefile
</b> resources.
For a list of all resources and more command-line options, run
<b class=
"program">python regrtest.py
</b> <b class=
"programopt">-h
</b>.
Some other ways to execute the regression tests depend on what platform the
tests are being executed on.
On
<span class=
"Unix">Unix
</span>, you can run
<b class=
"program">make
</b> <b class=
"programopt">test
</b> at the
top-level directory where Python was built.
On Windows, executing
<b class=
"program">rt.bat
</b> from your
<span class=
"file">PCBuild
</span>
directory will run all regression tests.
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<span class=
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2.4.2, documentation updated on
28 September
2005.
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