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Added note that calling pytest.main multiple times from the same process is not recommended because of import caching

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Brian Maissy 2018-01-25 23:07:34 +02:00
parent ff90c9e237
commit 4285325cb8
2 changed files with 11 additions and 1 deletions
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changelog/3143.doc Normal file
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Added note that calling pytest.main multiple times from the same process is not recommended because of import caching.

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doc/en/usage.rst
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@ -388,5 +388,14 @@ hook was invoked::
$ python myinvoke.py
*** test run reporting finishing
.. note::
Calling ``pytest.main()`` will result in importing your tests and any modules
that they import. Due to the caching mechanism of python's import system,
making subsequent calls to ``pytest.main()`` from the same process will not
reflect changes to those files between the calls. For this reason, making
multiple calls to ``pytest.main()`` from the same process (in order to re-run
tests, for example) is not recommended.
.. include:: links.inc