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copied!<p>You must make sure that you consistently follow some naming conventions (which you seem to be doing):</p> <ol> <li><p>All tests are named with the same prefix (<code>test_</code> is the norm), followed by the name of the module you wish to test.</p> <p><code>prog.py</code> => <code>test_prog.py</code></p></li> <li><p>Tests reside in <code>test/</code> directory.</p></li> </ol> <p>Then you can do something like this:</p> <h2>prog.py</h2> <pre><code>import sys ... ... do module stuff here... ... if __name__ == "__main__": # Check if we want to run the tests for this file if "--unittest" in sys.argv: import unittest test_filename = 'test_' + __file__ test_directory = 'test' suite = unittest.TestLoader().discover(test_directory, pattern=test_filename) unittest.TextTestRunner(verbosity=2).run(suite) </code></pre> <hr> <p>What we are doing, is:</p> <ul> <li><p>Checking the command arguments to see if <code>--unittest</code> is present (since that's the only time you want to run the tests).</p></li> <li><p>If it is, then we create the <code>test_prog.py</code> - following the naming conventions we have set.</p></li> <li><p>Then we pass that to the <code>TestLoader().discover</code> function. </p> <p><a href="http://docs.python.org/2/library/unittest.html#unittest.TestLoader.discover" rel="noreferrer">discover(...)</a> starts at the specified directory and finds all test modules (recursing into subdirectories ) that match the pattern provided.</p> <p>In our case, it will look inside the <code>test/</code> directory for any module named <code>test_prog.py</code>. When it does, it loads it and creates a TestSuite with the TestCases that we want to run.</p></li> <li><p>Lastly, we manually test <code>unittest</code> to run the <code>suite</code> obtained in the previous step.</p></li> </ul> <hr> <p>Normally, <code>unittest</code> will do all of this for us in the background, but since we are trying to run a specific test module, we have to tell exactly how and where to get it from.</p> <p>Also, note that you will have to do this for <strong>every</strong> file where you want to do this at.</p>

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