Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Snapshot Testing at CMD+U Conf

Sponsored · SiteGround - Reliable hosting with speed, security, and support you can count on. →
Avatar for Luis Ascorbe Luis Ascorbe
July 08, 2016
Programming
2
140

Snapshot Testing at CMD+U Conf

Avatar for Luis Ascorbe

Luis Ascorbe

July 08, 2016
Tweet

More Decks by Luis Ascorbe

See All by Luis Ascorbe
Dave Verwer's Slides at NSSpain 2014
Avatar for Luis Ascorbe lascorbe
0
120
Andrew Yates' Slides at NSSpain 2014
Avatar for Luis Ascorbe lascorbe
0
110
Alberto Lopez's Slides at NSSpain 2014
Avatar for Luis Ascorbe lascorbe
0
39
Erik Erice's Slides at NSSpain 2014
Avatar for Luis Ascorbe lascorbe
0
96
Krzysztof Zabłocki's Slides at NSSpain 2013
Avatar for Luis Ascorbe lascorbe
8
440
Luis Solano's Slides at NSSpain 2013
Avatar for Luis Ascorbe lascorbe
3
120
Daniel Eggert's Slides at NSSpain 2013
Avatar for Luis Ascorbe lascorbe
8
210
Nacho Soto's Slides at NSSpain 2013
Avatar for Luis Ascorbe lascorbe
4
130

Other Decks in Programming

See All in Programming
React 19でつくる「気持ちいいUI」- 楽観的UIのすすめ
Avatar for Hiroshi Morishige himorishige
11
5.9k
Rust 製のコードエディタ “Zed” を使ってみた
Avatar for NearMeの技術発表資料です nearme_tech
PRO
0
130
Automatic Grammar Agreementと Markdown Extended Attributes
について
Avatar for Kishikawa Katsumi kishikawakatsumi
0
180
CSC307 Lecture 03
Avatar for Javier Gonzalez-Sanchez javiergs
PRO
1
490
Fragmented Architectures
Avatar for Denys Poltorak denyspoltorak
0
140
【卒業研究】会話ログ分析によるユーザーごとの関心に応じた話題提案手法
Avatar for MomokoShirakawa momok47
0
190
QAフローを最適化し、品質水準を満たしながらリリースまでの期間を最短化する #RSGT2026
Avatar for shibayu36 shibayu36
2
4.3k
AI時代のキャリアプラン「技術の引力」からの脱出と「問い」へのいざない / tech-gravity
Avatar for MinoDriven minodriven
19
6.3k
Apache Iceberg V3 and migration to V3
Avatar for Tomohiro Tanaka tomtanaka
0
140
CSC307 Lecture 06
Avatar for Javier Gonzalez-Sanchez javiergs
PRO
0
680
FOSDEM 2026: STUNMESH-go: Building P2P WireGuard Mesh Without Self-Hosted Infrastructure
Avatar for Date Huang tjjh89017
0
140
今こそ知るべき耐量子計算機暗号(PQC)入門 / PQC: What You Need to Know Now
Avatar for mackey0225 mackey0225
3
370

Featured

See All Featured
End of SEO as We Know It (SMX Advanced Version)
Avatar for Michael King ipullrank
3
3.9k
Code Reviewing Like a Champion
Avatar for maltzj maltzj
527
40k
Designing Powerful Visuals for Engaging Learning
Avatar for Mike Taylor tmiket
0
210
Helping Users Find Their Own Way: Creating Modern Search Experiences
Avatar for Dan Newman danielanewman
31
3.1k
Reflections from 52 weeks, 52 projects
Avatar for Jefferson Lam jeffersonlam
356
21k
How STYLIGHT went responsive
Avatar for nonsquared nonsquared
100
6k
Imperfection Machines: The Place of Print at Facebook
Avatar for Scott Boms scottboms
269
14k
DBのスキルで生き残る技術 - AI時代におけるテーブル設計の勘所
Avatar for soudai sone soudai
PRO
62
49k
Agile Leadership in an Agile Organization
Avatar for Dr. Kim W Petersen kimpetersen
PRO
0
78
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
Avatar for Stéphanie Walter stephaniewalter
287
14k
Have SEOs Ruined the Internet? - User Awareness of SEO in 2025
Avatar for Akash Hashmi akashhashmi
0
270
Future Trends and Review - Lecture 12 - Web Technologies (1019888BNR)
Avatar for Beat Signer signer
PRO
0
3.2k

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