Upgrade to Pro — share decks privately, control downloads, hide ads and more …
Sign up for free

Snapshot Testing at CMD+U Conf

Sponsored · Ship Features Fearlessly Turn features on and off without deploys. Used by thousands of Ruby developers. →
Avatar for Luis Ascorbe Luis Ascorbe
July 08, 2016
Programming
160
2

Snapshot Testing at CMD+U Conf

Avatar for Luis Ascorbe

Luis Ascorbe

July 08, 2016

More Decks by Luis Ascorbe

See All by Luis Ascorbe
Dave Verwer's Slides at NSSpain 2014
Avatar for Luis Ascorbe lascorbe
0
140
Andrew Yates' Slides at NSSpain 2014
Avatar for Luis Ascorbe lascorbe
0
130
Alberto Lopez's Slides at NSSpain 2014
Avatar for Luis Ascorbe lascorbe
0
47
Erik Erice's Slides at NSSpain 2014
Avatar for Luis Ascorbe lascorbe
0
100
Krzysztof Zabłocki's Slides at NSSpain 2013
Avatar for Luis Ascorbe lascorbe
8
460
Luis Solano's Slides at NSSpain 2013
Avatar for Luis Ascorbe lascorbe
3
150
Daniel Eggert's Slides at NSSpain 2013
Avatar for Luis Ascorbe lascorbe
8
220
Nacho Soto's Slides at NSSpain 2013
Avatar for Luis Ascorbe lascorbe
4
150

Other Decks in Programming

See All in Programming
typoなんかねぇよ
Avatar for らすぴー raspython3
0
670
変化を抱擁するドキュメントの作り方 - ビジネスルール駆動開発がもたらす、コードとの新しい関係
Avatar for ioki ioki
2
120
ソフトウェアラスタライザ
Avatar for Fadis fadis
1
800
個人開発基盤をまるごとCloudflareに引っ越して爆速で総合的体験を向上させた話
Avatar for Tsubasa SEKIGUCHI tinykitten
0
140
[GoCon2026] When Goroutines Are Not Enough: Runtime Locality in High-Throughput Go
Avatar for Takeru Hayasaka takehaya
5
680
Webプラットフォームで議論されているセキュリティ課題 / Security issues being discussed on Web Platforms
Avatar for petamoriken / 森建 petamoriken
0
260
デプロイ直後のレイテンシスパイクを調べたら、 Railsの仕様にたどり着いた
Avatar for naohisa nhsykym
0
110
WebMCP Challenge に星空観察アプリで参加した話
Avatar for dario okazaki okajun35
0
110
Kiroで創り、AgentCoreで繋ぐ！AWSで実践する「AI-DLC」から「AIエージェント統合」までの最新地図
Avatar for matsukada licux
3
370
thread_parallel_with_free-threaded_Python_and_NumPy.pdf
Avatar for Riku Sakamoto riku_sakamoto
0
160
LLMは4年分のCompose移行を再現できるのか？実プロダクト279件のXMLで探る自動化の境界線
Avatar for makun makun
0
440
アクセシビリティから考える情報設計
Avatar for high-g high_g_engineer
0
320

Featured

See All Featured
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
Avatar for Vitaly Friedman smashingmag
254
22k
The AI Search Optimization Roadmap by Aleyda Solis
Avatar for Aleyda Solis aleyda
1
6.2k
A brief & incomplete history of 
UX Design for the World Wide Web: 1989–2019
Avatar for Jason CranfordTeague jct
2
500
The SEO Collaboration Effect
Avatar for Kristina Bergwall kristinabergwall1
1
550
GitHub's CSS Performance
Avatar for Jon Rohan jonrohan
1033
470k
"I'm Feeling Lucky" - Building Great Search Experiences for Today's Users (#IAC19)
Avatar for Dan Newman danielanewman
230
23k
The Illustrated Guide to Node.js - THAT Conference 2024
Avatar for David Neal reverentgeek
1
470
The Curse of the Amulet
Avatar for Matthew Lei leimatthew05
2
14k
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
Avatar for Rebecca Miller-Webster rmw
35
3.8k
Mind Mapping
Avatar for Hélio Medeiros helmedeiros
1
350
We Have a Design System, Now What?
Avatar for Morgane Peng morganepeng
55
8.3k
The MySQL Ecosystem @ GitHub 2015
Avatar for Sam Lambert samlambert
251
13k

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