0.22.0
dd9e8b2 
novemberborn
Mark Wubben
There's but a few commits in this release, but we've made a big change to how AVA manages its test workers 👩🏼🔬👨🏼🏭👨🏿🚀👨🏻⚕️👩🏽💼.
Highlights
Default concurrency
We now cap the number of concurrent workers to the number of CPU cores on your machine. Previously AVA started workers for each test file, so if you had many test files this could actually bring things to a halt. 465fcec
You can still customize the concurrency by setting the concurrency option in AVA's package.json configuration, or by passing the --concurrency flag. We've also beefed up input validation on that flag. b6eef5a
Unfortunately this does change how test.only() behaves. AVA can no longer guarantee that normal tests won't run. For now, if you want to use test.only(), you should run tests from just that file. We have an open issue to add an --only flag, which will ensure that AVA runs just the test.only() tests. If you'd like to help us with that please head on over to #1472.
t.log()
We've also added t.log(), which lets you print a log message contextually alongside the test result, instead of immediately printing it to stdout like console.log. 14f7095
Miscellaneous
- The WebStorm recipe has been updated with instructions on how to enable the Node.js inspector. d8c21a6
- The app setup in the endpoint testing recipe has been fixed e28be05
- The
t.notThrows()example has been clarified 57f5007
All changes
Thanks
💖 Huge thanks to @abouthiroppy, @ydaniv, @nowells, @melisoner2006, @clayzermk1 and @tdeschryver for helping us with this release. We couldn’t have done it without you!
Get involved
We welcome new contributors. AVA is a friendly place to get started in open source. We have a great article on getting started contributing and a comprehensive contributing guide.