Test `test_adjusting_logger_level` incompatible with pytest v6.0

[danielhuppmann]

The behaviour of the logger in test_adjusting_logger_level is incompatible with (at least) pytest v6.0.0 and pytest v6.0.1. Per #421, the version of pytest is pinned to an earlier version. This should be revisited in the future if it is a bug in pytest or if the log-level-adjustment needs to be updated.

[danielhuppmann]

@znicholls FYI because you implemented the logging tests...

[znicholls]

Thanks. I doubt it’ll be a bug in pytest. I can update the test whenever unpinning pytest becomes urgent, just let me know (is there any other reason pytest is pinned or is it just the logging tests?).

[danielhuppmann]

The pytest docs for caplog.at_level() don't indicate that the test of the logger here should not work as before - but it seems (as of v6.0) to change the log-level of all loggers, not just "pyam.core"...

This is the only failure preventing to use the latest version of pytest.

[znicholls]

Ok I'm pretty sure this is a bug introduced by https://github.com/pytest-dev/pytest/commit/fcbaab8b0b89abc622dbfb7982cf9bd8c91ef301 (this team is having the same problem https://github.com/adobe-type-tools/psautohint/pull/264). It's not going to be super easy to fix so I would say, either a) leave pytest pinned or b) xfail the test for now and we can undo it once I've worked out what is going on with pytest.

[znicholls]

See https://github.com/pytest-dev/pytest/issues/7656

[danielhuppmann]

thanks @znicholls for investigating and raising the issue with the pytest devs!

Let's keep the dependency pinned for now and hope that they'll fix it in the not-too-distant future.