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Snapshot Testing at CMD+U Conf

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Avatar for Luis Ascorbe Luis Ascorbe
July 08, 2016
Programming
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Snapshot Testing at CMD+U Conf

Avatar for Luis Ascorbe

Luis Ascorbe

July 08, 2016
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Transcript

  1. Snapshot Testing

  2. @lascorbe

  3. @lascorbe

  4. What’s Testing?

  5. What’s Snapshot Testing? Saved!

  6. What’s Snapshot Testing? Saved! Recreate! ==

  7. Calabash KIF UI Testing (Xcode)

  8. Calabash KIF UI Testing (Xcode) Acceptance Tests

  9. What’s Snapshot Testing? Unit Tests Integration Tests

  10. What’s Snapshot Testing? Integration Tests Snapshot Tests Unit Tests

  11. None

  12. States

  13. Text

  14. Devices

  15. Demo!

  16. FBSnapshotTestCase

  17. FBSnapshotTestCase CGContextRef

  18. FBSnapshotTestCase CGContextRef CGContextRef

  19. FBSnapshotTestCase CGContextRef CGContextRef <>

  20. FBSnapshotTestCase CGContextRef CGContextRef <> memcmp()

  21. Things to take into account

  22. Arquitecture

  23. Arquitecture Asynchronicity

  24. Arquitecture Asynchronicity Autolayout

  25. Arquitecture Asynchronicity Autolayout Repo space

  26. What’s nice

  27. See changes without running your app

  28. Gorgeous PRs!

  29. You’re testing a whole view at once

  30. Gotta go fast! “0.015 to 0.080 seconds per test on

    a Macbook Air” - @orta

  31. Bonus point

  32. Snapshots

  33. Snapshots-Peek

  34. Conclusion

  35. Conclusion 1. Open your app 2. Write some snapshot tests

    3. … 4. Profit!

  36. https://github.com/facebook/ios-snapshot-test-case https://www.objc.io/issues/15-testing/snapshot-testing/ https://github.com/ashfurrow/Nimble-Snapshots https://github.com/dblock/ios-snapshot-test-case-expecta https://github.com/orta/snapshots https://github.com/orta/snapshots-peek https://github.com/Lascorbe/cmduconf-project

  37. One more thing…

  38. None

  39. Sept 14-16 Logroño nsspain.com

  40. cmduconf-rocks

  41. @lascorbe