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54 | <H2><A NAME="SECTION007420000000000000000"></A><A NAME="regrtest"></A> | |
55 | <BR> | |
56 | 5.4.2 Running tests using <tt class="module">test.regrtest</tt> | |
57 | </H2> | |
58 | ||
59 | <P> | |
60 | <tt class="module">test.regrtest</tt> can be used as a script to drive Python's | |
61 | regression test suite. | |
62 | Running the script by itself automatically starts running all | |
63 | regression tests in the <tt class="module">test</tt> package. | |
64 | It does this by finding all modules in the package whose name starts with | |
65 | "<tt class="samp">test_</tt>", importing them, and executing the function | |
66 | <tt class="function">test_main()</tt> if present. | |
67 | The names of tests to execute may also be passed to the script. | |
68 | Specifying a single regression test (<b class="program">python regrtest.py</b> | |
69 | <b class="programopt">test_spam.py</b>) will minimize output and only print whether | |
70 | the test passed or failed and thus minimize output. | |
71 | ||
72 | <P> | |
73 | Running <tt class="module">test.regrtest</tt> directly allows what resources are | |
74 | available for tests to use to be set. | |
75 | You do this by using the <b class="programopt">-u</b> command-line option. | |
76 | Run <b class="program">python regrtest.py</b> <b class="programopt">-uall</b> to turn on all | |
77 | resources; specifying <b class="programopt">all</b> as an option for | |
78 | <b class="programopt">-u</b> enables all possible resources. | |
79 | If all but one resource is desired (a more common case), a | |
80 | comma-separated list of resources that are not desired may be listed after | |
81 | <b class="programopt">all</b>. | |
82 | The command <b class="program">python regrtest.py</b> | |
83 | <b class="programopt">-uall,-audio,-largefile</b> will run <tt class="module">test.regrtest</tt> | |
84 | with all resources except the <b class="programopt">audio</b> and | |
85 | <b class="programopt">largefile</b> resources. | |
86 | For a list of all resources and more command-line options, run | |
87 | <b class="program">python regrtest.py</b> <b class="programopt">-h</b>. | |
88 | ||
89 | <P> | |
90 | Some other ways to execute the regression tests depend on what platform the | |
91 | tests are being executed on. | |
92 | On <span class="Unix">Unix</span>, you can run <b class="program">make</b> <b class="programopt">test</b> at the | |
93 | top-level directory where Python was built. | |
94 | On Windows, executing <b class="program">rt.bat</b> from your <span class="file">PCBuild</span> | |
95 | directory will run all regression tests. | |
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