I dream of Gen'ning: Scala Check is Black Magic
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PagerDuty's Kelsey Gilmore-Innis' presentation at QCon. ScalaCheck, the property-based testing library for Scala, is a powerful tool for automating test coverage. Out of the box, you can easily generate gobs of test data and automatically shrink failure cases down to specific causes. Who was ever satisfied with out of the box, though?!?
I dream of Gen'ning: Scala Check is Black Magic
- 1. I DREAM OF GENNING SCALACHECK IS BLACK MAGICK Kelsey Gilmore-Innis (@kelseyinnis) + Stew OConnor (@StewOConnor)
- 9. BACKGROUND
- 11. GENERATES RUNS SHRINKS
- 14. GENERATORS
- 15. OUT OF THE BOTTLE Boolean, Byte, Char, String, Int, Double, Long Throwable, Date Option, Either, Tuple2-Tuple9, Function1-Function5 Array, List, ArrayList, Stream, Set, Map alphaChar, alphaNumChar, alphaLowerChar, alphaUpperChar alphaStr, numStr, identifier
- 16. EDGE CASE BIAS
- 18. FANCY GENS
- 21. COMPOSING GENS map flatMap filter/suchThat
- 25. .suchThat
- 29. FREQUENCY
- 31. P1 BUG: BEYONC NOT FOUND
- 35. NEGATIVE TESTING
- 37. INTEGRATION
- 38. PARAMS
- 39. SCALACHECK + SELENIUM https://github.com/jessitron/js-with-scalacheck
- 40. COMMANDS
- 41. TESTING SERVER NETWORKS http://scalacheck.org/files/scaladays2014/index.html
- 43. SHRINKING
- 45. MAKING IT LOOK EASY
- 48. BYE!