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@SeanROlszewski SeanROlszewski released this 02 Aug 02:17
· 265 commits to master since this release
v11
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This release of Muter adds a whole bunch of new functionality, including a facelift for our commandline users. This release is a significant step towards making Muter an effective & easily adopted CI tool.

🆕 What's new? 🆕

  • We've added a new command line flag so you can practice incremental mutation testing: --files-to-mutate! You can optionally use this flag, and provide a space separated list of files, paths, or glob expressions which point Muter to the files you would like to mutation test. Using this flag overrides your exclude list from your muter.conf.json.
  • We've added a progress bar which estimates how long until mutation testing is finished when you are running Muter from the commandline. It's initial estimate will be very conservative, but it will get more accurate the longer it runs.
  • We've rewritten how the commandline output looks, and what information it provides you. Previously, it was difficult to know where the temporary directory Muter was working from. To solve that, Muter now logs where it copies your project, giving you deeper insight into how Muter works in the event you need to debug something.
  • ...and speaking of debugging, Muter now copies the logs it generates to the root of your project directory into a directory called muter_logs. You can use these logs to diagnose how a particular mutant impacts your test suite, or to troubleshoot an issue you may be experiencing when setting Muter up.
  • Should your test suite or application fail to compile or pass Muter's initial baseline test, Muter will now print out the issue so you don't have to go digging around for a log file. This is so you can have a faster and streamlined set up experience.

⬆️ What's improved? ⬆️

  • The internals of Muter underwent a substantial rewrite so as to make new features easier to add and to significantly reduce the memory footprint of Muter. Muter now uses a fraction of the memory it previously had while it's running.

Many thanks to @rakaramos for the amount of work he did for this release on the new commandline flag and making it easier for you to find your logs. This is a release that was truly a team effort. I'm excited for the next few releases that are coming up!

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