UI Testing in Xcode 7 - CocoaHeads Chicago, October 2015

Initial look at UI testing in Xcode 7, both in general and specifically with XCUI tests and KIF tests.

NOTE: If you attended this talk, you'll see I updated the slide where I talked about trying to launch tests from the static setUp() method. Here's a video of me trying to make that work and the hilarisad result: https://www.youtube.com/watch?v=pR0iRf_2j7k

Transcript

1. UI TESTING IN XCODE 7 COCOAHEADS CHICAGO | OCTOBER 2015 BY ELLEN SHAPIRO VOKAL.IO | JUSTHUM.COM | @DESIGNATEDNERD
2. IF I DIDN'T KNOW THE DEVELOPERS WERE EUROPEAN, I'D SAY THIS NEW DECKSET THEME WAS DESIGNED BY A PACKERS FAN
3. TESTING TESTING 123
5. UI TESTING VS. UNIT TESTING
6. UNIT TESTING: TEST EACH PIECE INDIVIDUALLY
7. INTEGRATION TESTING: TEST HOW ALL THE PIECES WORK TOGETHER
8. UI TESTING: TEST HOW ALL THE PIECES WORK TOGETHER FOR THE USER
9. USERS GIVE EXACTLY ZERO FUCKS HOW WELL YOUR APP WORKS UNDER THE HOOD IF IT DOESN'T DO WHAT THEY NEED IT TO DO
10. GENERAL IOS UI TESTING CONCEPTS
11. TEST THE HAPPY PATH AND THE KNOWN BAD PATH
12. ACCESSIBILITY
13. YOUR COMPUTER IS BLIND
14. SEE WHAT YOUR COMPUTER SEES (AND BLIND USERS WILL HEAR)
18. THE NEW HOTNESS: XCUI TESTING
19. XCUI: WHAT IS? > Added by Apple as part of Xcode 7 + iOS 9 > Takes Javascript out of UIAutomation > Allows you to record actions > Automatically refactors code as you record* *-SORT OF
20. XCUI: HOW WORK? > Builds queries against views > Finds elements using those queries > Element requests are evaluated on-demand > Test runs in separate process than your app
21. .value VS. .label
22. XCUI DEMO
23. XCUI VS. KIF
24. KIF: WHAT IS? > "Keep It Functional" > Built and open-sourced by Square > Huge, gnarly codebase, but it's open-source > Runs anywhere XCTest does (iOS 7+)
25. KIF: HOW WORK? > Uses private methods to tap and swipe through the app > Runs in the same process as your app > YOU reset your your UI before each test
26. KIF DEMO
27. STUPID XCUI TRICKS* *AS OF XCODE 7.0.1
29. APP MUST RELAUNCH FROM SCRATCH EVERY. SINGLE. TEST.
31. TURN OFF THE ACCESSIBILITY INSPECTOR BEFORE USING UI RECORDING
32. SCROLLING SADS
34. HARD-CODED STRINGS ARE EEEEVERYWHERE AND GETTING RID OF THEM IS STUPIDER THAN USUAL
39. !
40. CENTRALIZE YOUR TEST CODE
41. OBLIGATORY SUMMARY SLIDE > UI Testing helps make sure all the pieces of your app are working together > Accessibility labels != accessibility identifiers > XCUI testing still has some significant holes > tap things to get a shortcut to what they are in code > Don't repeat yourself applies to tests too!
42. LINKS > Demo app: https://github.com/designatednerd/ GoCubs > Xcode UI Testing WWDC Session: https:// developer.apple.com/videos/play/ wwdc2015-406/ > UI Testing Gotchas from Big Nerd Ranch: https:// www.bignerdranch.com/blog/ui-testing-in- xcode-7-part-1-ui-testing-gotchas/