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With the introduction and use of pytest, it is simple and easy to
execute specific tests in isolation through documented command line
arguments. Either by specifying the module path or through the `-k
EXPRESSION` argument. There is no longer any need to provide the
boilerplate:
if __name__ == '__main__':
unittest.main()
To every test file. It is simply noise.
The pattern remains in test files that aren't named with `test_*` as
those files are not discovered and executed by pytest by default.
33 lines
540 B
ReStructuredText
33 lines
540 B
ReStructuredText
Pillow Tests
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============
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Test scripts are named ``test_xxx.py`` and use the ``unittest`` module. A base class and helper functions can be found in ``helper.py``.
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Dependencies
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-----------
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Install::
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pip install pytest pytest-cov
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Execution
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---------
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To run an individual test::
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pytest Tests/test_image.py
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Or::
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pytest -k test_image.py
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Run all the tests from the root of the Pillow source distribution::
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pytest
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Or with coverage::
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pytest --cov PIL --cov-report term
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coverage html
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open htmlcov/index.html
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