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

Luis Ascorbe: UI and Snapshottesting

Sponsored · Ship Features Fearlessly Turn features on and off without deploys. Used by thousands of Ruby developers. →
Avatar for Realm Realm
July 08, 2016
Technology
7k
0

Luis Ascorbe: UI and Snapshottesting

Avatar for Realm

Realm

July 08, 2016

More Decks by Realm

See All by Realm
WWDC 2017 Review
Avatar for Realm realm
0
2.2k
Xcode shortcuts
Avatar for Realm realm
0
4.8k
Self Branding with GitHub
Avatar for Realm realm
0
4.4k
Realm Mobile Platform overview and demo
Avatar for Realm realm
0
2.1k
Realm advanced topics and demo
Avatar for Realm realm
0
2.1k
Realm introduction Seoul meetup 10
Avatar for Realm realm
0
2.2k
Stuart Hall: How I got 2.3 Million App Downloads
Avatar for Realm realm
0
2k
James Majors: What the Swiftly Func?
Avatar for Realm realm
1
4.3k
Simina Pasat: Continuous everything  for iOS apps
Avatar for Realm realm
0
670

Other Decks in Technology

See All in Technology
作って終わりじゃないサーバーレス 〜9年運用する大規模EC物流API基盤の設計・運用のリアル〜
Avatar for ZOZO Developers zozotech
PRO
0
520
AgentCore Runtime上にAgentic Coding基盤を構築・展開する際の設計ポイントと限界点 / Design considerations and limitations when building an agentic coding platform on AgentCore Runtime
Avatar for Har1101 har1101
6
750
Von-Neumann Machines, Dreams & The Futures of IT
Avatar for Uwe Friedrichsen ufried
0
130
高負荷プロダクション環境におけるAWS Lambdaのリアル 〜スケールとコストを左右する実行ライフサイクルの技術仕様〜
Avatar for maimyyym maimyyym
2
550
Antigravity SDK for the Java Developer
Avatar for Guillaume Laforge glaforge
0
200
負債のメタファと2026年 / Debt Metaphor in Agentic Engineering Age 202609 Edition
Avatar for Takuto WADA twada
PRO
12
6.7k
aws-iot-platform-architecture-use-cases.pdf
Avatar for Kohei "Max" MATSUSHITA ma2shita
0
660
あけおめLINE 傾向とその対策
Avatar for nasa9084 nasa9084
0
320
AIに書かせて、プラットフォームで縛る ― EKSプラットフォームで実践した責任境界と権限設計
Avatar for elmo elmodev09
0
420
人にやさしく、AIにやさしく、書き手を選ばないIaCのガードレール再考 / Rethinking IaC Guardrails for Humans and AI Alike
Avatar for kohbis kohbis
5
970
LLMに渡さなかった仕事
Avatar for oga_aiichiro nanaism
0
6.4k
時うどん〜Socket.getifaddrsで学ぶネットワーク編 / Tokiudon: The Socket.getifaddrs Edition
Avatar for Misaki Shioi(塩井美咲/しおい) coe401_
4
260

Featured

See All Featured
How Fast Is Fast Enough? [PerfNow 2025]
Avatar for Tammy Everts tammyeverts
3
900
Mobile First: as difficult as doing things right
Avatar for Swwweet swwweet
225
10k
Accessibility Awareness
Avatar for Sarah Abderemane sabderemane
1
220
Taking LLMs out of the black box: A practical guide to human-in-the-loop distillation
Avatar for Ines Montani inesmontani
PRO
3
2.4k
How to audit for AI Accessibility on your Front & Back End
Avatar for davetheseo davetheseo
0
550
HTML-Aware ERB: The Path to Reactive Rendering @ RubyCon 2026, Rimini, Italy
Avatar for Marco Roth marcoroth
5
740
Java REST API Framework Comparison - PWX 2021
Avatar for Matt Raible mraible
34
9.7k
GraphQLとの向き合い方2022年版
Avatar for Yosuke Kurami quramy
50
15k
From π to Pie charts
Avatar for Rasagy Sharma rasagy
1
380
Effective software design: The role of men in debugging patriarchy in IT @ Voxxed Days AMS
Avatar for Kenny Baas-Schwegler baasie
1
540
The World Runs on Bad Software
Avatar for Brandon Keepers bkeepers
PRO
72
12k
Dealing with People You Can't Stand - Big Design 2015
Avatar for Cassini Nazir cassininazir
367
27k

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