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ambv merged 2 commits into from
Apr 10, 2022
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Add a note about direct test module invocation #801

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Add a note about direct test module invocation
sobolevn Jan 23, 2022
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13 changes: 13 additions & 0 deletions runtests.rst
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Expand Up @@ -50,6 +50,19 @@ path to the test case::

./python -m unittest -v test.test_abc.TestABC_Py

Some test modules also support direct invocation,
which might be useful for IDEs and local debugging::

./python Lib/test/test_typing.py

But, there are several important notes:

1. This way of running tests exists only
for local developer needs and is discouraged for anything else
2. Some modules do not support it at all. One example is``test_importlib``.
In other words: if some module does not have ``unittest.main()``, then
most likely it does not support direct invocation.

If you have a multi-core or multi-CPU machine, you can enable parallel testing
using several Python processes so as to speed up things::

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