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Let's say I disabled a pytest plugin in my pytest.ini file like:
[pytest]
...
addopts=
-p no:myplugin
Now I would like to be able to enable it sometimes with command line arguments, something like:
pytest -p yes:myplugin
Is that possible? Please, if you have better recommendations, I would like to know that too.
871
pytest loads plugin modules at tool startup in the following way: by scanning the command line for the -p no:name option and blocking that plugin from being loaded (even builtin plugins can be blocked this way). This happens before normal command-line parsing. by loading all builtin plugins.
To ensure all pytest-specific features are available, set the test runner manually: press Ctrl+Alt+S to open the IDE settings and select Tools | Python Integrated Tools, and then select pytest from the Default test runner list.
Running pytest A specific function can be run by providing its name after the :: characters. Markers can be used to group tests. A marked grouped of tests is then run with pytest -m . In addition, we can use expressions to run tests that match names of test functions and classes.
To load the plugin again, use -p pytest_myplugin. This will work when chained after -p no:myplugin (either on the command-line, or from pytest.ini's addopts).
What's happening here: when you specify -p no:plugin, pytest prepends "pytest_" to "plugin". This is because myplugin is actually imported from pytest_myplugin. Unfortunately, this convenience isn't mirrored on the loading side, which requires the full module name of the plugin.
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