Hi Everyone, People might have noticed the recently os-testr 1.0.0 was recently released and made some pretty big changes to the internals of the ostestr script. ostestr was originally created to replace the local pretty_tox.sh scripts in all the projects with a consistent interface. Because of that the script originally literally just would use subprocess to run testr. However, in the 1.0.0 release this has changed and now uses stestr's python interface to run tests. [1]
stestr[2][3] is a fork of testr I started several months ago. The testrepository project is pretty much completely inactive at this point and has several long standing bugs. stestr was started to address these bugs, but also limits the scope to just a parallel python test runner. (instead of a generic test runner runner like testr is) The best example of the improvements stestr brings fixes the dbm issue between python versions so you don't have to delete the times.dbm file anymore between. (but there are a lot of other improvements so far) So what does this mean for current ostestr users, in most cases not much. The only external differences are that the repository by default is are to .stestr instead of .testrepository and ostestr will emit a warning until a .stestr.conf file is created. This probably means .stestr/ should be added to .gitignore before too long, but it's not really a blocker. There is an issue with neutron (and networking-*) functional tests because their post-test-hook runs chmod on .testrepository unconditionally. This will need to be updated for things to with the new ostestr version pass. As for the warning about the .stestr.conf ostestr parses the .testr.conf and tries to guess the parameters it needs to run, but it's not a perfect process and that's why adding a .stestr.conf is best. I've seen a couple of cases where projects were setting custom env variable in the .testr.conf where this process didn't work and creating a .stestr.conf and adding the env vars to tox.ini was the only way to address this. Moving forward I'd like to get everything switched over to using stestr, either directly or indirectly via ostestr. (although longer term I'd like to see the ostestr script go away because it doesn't really do anything anymore) This way we can get everything using an actively maintained test runner. I'd also like to apologize for the timing of this transition, we originally intended to just test the waters during the PTG while people were f2f and debug issues. But, we wanted to wait until after the PTG (for obvious reasons) to make the big cut over. But, things ballooned kinda quickly and we're now using the new version of ostestr. I'll be around all week at the PTG or on irc to help people that might be having issues related to the new os-testr release. Thanks, -Matt Treinish [1] https://review.openstack.org/#/c/488441/ [2] https://github.com/mtreinish/stestr [3] http://stestr.readthedocs.io/en/latest/
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