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Mobile Quality Challenges At Zalando
Dmitry Bespalov <dmitry.bespalov@zalando.de>
Hendrik Seffler <hendrik.seffler@zalando.de>
Zalando facts
Zalando facts
Zalando mobile apps facts
Zalandos mobile offerings
Developed by dedicated
team
Developed across multiple
teams
Developed by dedicated
team
iOS Android Mobile site
Team setup
Each team is autonomous and responsible for its deliverables.
Slightly different development and testing approaches everywhere
Mobile Testing Pyramid
Source: http://www.ministryoftesting.com/2014/10/mobile-test-pyramid/
iOS
Dmitry Bespalov • iOS Engineer
Mobile Quality Challenges At Zalando
● Objective-C & Swift project
● 7 developers
● Giflow workflow
Setup
Testing
● Unit tests (TDD)
● End to end integration tests
● Continuous integration
○ Jenkins
○ Xcode server
○ TravisCI
● Testing of iOS beta SDKs
Testing
● Code review
● Bug bashing
● Post-release monitoring
○ Fabric
○ AppStore reviews
Safety nets
● Ensuring quality is a multi-staged process
● Test automation is a key component
● Code reviews and bug bashing before release
● Crashes and app store reviews
iOS Summary
Android
espresso - “a fun little Android UI test API”
● few unit tests
● espresso based UI-tests (run on emulators)
● manual testing on real devices
Zalandos mobile website
For users that do not have the app installed
Targeted from Google searches
Initially developed by a dedicated team
We faced several challenges
Quality by organisational changes
Responsibility moved to multiple teams
Each team has to think about mobile
Establish “mobile first” mindset
Testing the mSite
● Manual testing
○ browser developer tools
○ physical devices
○ saucelabs
● Automated
○ Appium
■ local
■ saucelabs
Conclusion
● Quality is a team responsibility
● Automated testing plays important role in
ensuring quality
● Use all kind of testing: unit tests, end-to-
end, manual
● Implement development best practices to
have safety nets

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Mobile Quality Challenges At Zalando

  • 1. Mobile Quality Challenges At Zalando Dmitry Bespalov <dmitry.bespalov@zalando.de> Hendrik Seffler <hendrik.seffler@zalando.de>
  • 5. Zalandos mobile offerings Developed by dedicated team Developed across multiple teams Developed by dedicated team iOS Android Mobile site
  • 6. Team setup Each team is autonomous and responsible for its deliverables. Slightly different development and testing approaches everywhere
  • 7. Mobile Testing Pyramid Source: http://www.ministryoftesting.com/2014/10/mobile-test-pyramid/
  • 8. iOS Dmitry Bespalov • iOS Engineer
  • 10. ● Objective-C & Swift project ● 7 developers ● Giflow workflow Setup
  • 12. ● Unit tests (TDD) ● End to end integration tests ● Continuous integration ○ Jenkins ○ Xcode server ○ TravisCI ● Testing of iOS beta SDKs Testing
  • 13. ● Code review ● Bug bashing ● Post-release monitoring ○ Fabric ○ AppStore reviews Safety nets
  • 14. ● Ensuring quality is a multi-staged process ● Test automation is a key component ● Code reviews and bug bashing before release ● Crashes and app store reviews iOS Summary
  • 15. Android espresso - “a fun little Android UI test API” ● few unit tests ● espresso based UI-tests (run on emulators) ● manual testing on real devices
  • 16. Zalandos mobile website For users that do not have the app installed Targeted from Google searches Initially developed by a dedicated team We faced several challenges
  • 17. Quality by organisational changes Responsibility moved to multiple teams Each team has to think about mobile Establish “mobile first” mindset
  • 18. Testing the mSite ● Manual testing ○ browser developer tools ○ physical devices ○ saucelabs ● Automated ○ Appium ■ local ■ saucelabs
  • 19. Conclusion ● Quality is a team responsibility ● Automated testing plays important role in ensuring quality ● Use all kind of testing: unit tests, end-to- end, manual ● Implement development best practices to have safety nets