Five Lessons from Implementing Pixel-Perfect Testing of a Design System on Android

on YouTube ↗46m

" summary

Practical lessons from two years building pixel-perfect screenshot testing for an Android design system, focusing on overcoming limitations of existing screenshot approaches. Covers studying Android UI internals, improving performance and quality, and making tests easy to write via custom test runners and tooling, plus a brief QuickStart for adding screenshot tests to a project and key implementation details.

AI-written summary · about

" chapters (14)

1. 0:00Introduction
2. 3:32Speaker and project
3. 5:38Design system challenges 2022
4. 7:53Pixel-perfect testing
5. 12:07Storybook integration
6. 13:17Lesson 1: Modular structure
7. 16:29Optimizing without Activity
8. 19:01Lesson 2: Test performance
9. 21:30Apple M1 issue
10. 24:10Lesson 3: Single source of truth
11. 26:18Lesson 4: Developer experience
12. 28:23Lesson 5: Unit tests vs UI
13. 30:10Summary and future plans
14. 30:32Q&A

" related talks

• 01h 28mMastering Screenshot Testing Libraries for Android: A Hands-On WorkshopSergio Sastre Flórez · droidcon Berlin 2023
• 19mTesting Beyond UnitJimmy Dieng · droidcon Toronto 2019
• 43mMobile: Test Every Pixel - Screenshots in UI Tests (...)Sylwester Madej · 4Developers 2020
• 34mDesign System Driven Android Development: A Guide to Automation ToolsZhanibek Marshal, Ahmed Ateek · droidcon Berlin 2023
• 44mEfficient testing UI Android apps by exampleAliaksandr Zhukovich · Mobilization 8
• 31mAn Introduction to Effective Snapshot Testing on AndroidSergio Sastre Flórez · droidcon Berlin 2021
• 42mEfficient UI testing in AndroidAlex Zhukovich · Chicago Roboto 2022
• 46mEfficient Android UI TestingAlex Zhukovich · droidcon Italy 2021