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Is there a way to time the execution time of individual Python tests which are run by nosetests ?
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The nose. tools module provides a number of testing aids that you may find useful, including decorators for restricting test execution time and testing for exceptions, and all of the same assertX methods found in unittest.
The command to run the tests is python -m unittest filename.py . In our case, the command to run the tests is python -m unittest test_utils.py .
pytest. The pytest test runner supports the execution of unittest test cases. The actual benefit of the pytest is to writing pytest test cases.
You might try the nose plug-in posted here: https://github.com/mahmoudimus/nose-timer (or available via pip / PyPi). You can also use the built-in plugin --with-profile to do more serious profiling.
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Alternatively:
python -m cProfile -o profile.out `which nosetests` . The output from can be viewed using, for example, runsnakerun, which makes it visually very obvious where your performance problems are. (e.g. it might be in a common method that many tests indirectly call)
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