thiemowmde added a comment.
Thanks a lot for the detailed response! However, I feel my main point got lost. My question really is what the benefit of an isolated unit test for "being compatible with PSR-16" is? It's not like the class SimpleCacheWithBagOStuff is used in isolation. It's not even used in an external context we don't know anything about but that it expects compatibility with PSR-16. No. This class is used in Wikibase. We know where it is used. My question is: Isn't it enough to have good coverage for all the code that is using this class? "Coverage" is not about a number. Coverage is about the team having confidence the code they own does not break without a test protecting them. As far as I can see these tests exist. TASK DETAIL https://phabricator.wikimedia.org/T237164 EMAIL PREFERENCES https://phabricator.wikimedia.org/settings/panel/emailpreferences/ To: Rosalie_WMDE, thiemowmde Cc: Rosalie_WMDE, Addshore, Daimona, Jdforrester-WMF, Ladsgroup, thiemowmde, Aklapper, MaxSem, Iflorez, darthmon_wmde, alaa_wmde, Nandana, Lahi, Gq86, GoranSMilovanovic, QZanden, LawExplorer, _jensen, rosalieper, Scott_WUaS, Jonas, Wikidata-bugs, aude, Lydia_Pintscher, Mbch331
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