If you're running tests for your iOS code base on some kind of Continuous Integration, you usually have to generate a JUnit file to report the test results, including error information, to your CI system. Until now, the easiest solution was to use the amazing xcpretty, which parses the xcodebuild output and converts it to something more readable, additionally to generating the JUnit report.
trainer is a simple standalone tool (that also contains a fastlane plugin), which does exactly that: Convert the plist files to JUnit reports.
By using trainer, the Twitter iOS code base now generates JUnit reports 10 times faster.
To start using trainer, just add the following to your Fastfile:
For more information about when to use trainer, check out the full blog article on PSPDFKit.