UI Testing With Espresso 2.0 - AndroidListener Chicago, April 2015

A fun look in to UI testing with Android. Links at the end!

Transcript

1. UI Testing With Espresso 2.0 Ellen Shapiro AndroidListener Chicago, April 2015
2. Espresso: What is? — Open-source UI testing framework for Android created by Google.
3. Espresso: What is? — Open-source UI testing framework for Android created by Google. — A great way to integration-test your application
4. Espresso: How work? — Hamcrest Matchers dig through the view hierarchy
5. Espresso: How work? — Hamcrest Matchers dig through the view hierarchy — Only considers the portions of the view immediately visible to the user
6. Espresso: How work? — Hamcrest Matchers dig through the view hierarchy — Only considers the portions of the view immediately visible to the user — Can enter text, tap things, scroll, swipe out of the box
7. Espresso: How work? — Hamcrest Matchers dig through the view hierarchy — Only considers the portions of the view immediately visible to the user — Can enter text, tap things, scroll, swipe out of the box — Create your own actions
8. DEMO
9. UI Testing Best Practices — Don't navigate through your entire UI every single time.
10. UI Testing Best Practices — Don't navigate through your entire UI every single time. — Use class and instance Before/After methods
11. UI Testing Best Practices — Don't navigate through your entire UI every single time. — Use class and instance Before/After methods — Create a test class for each piece of your UI
12. UI Testing Best Practices — Don't navigate through your entire UI every single time. — Use class and instance Before/After methods — Create a test class for each piece of your UI — If there are things you can test without the UI, test them without the UI.
13. Other Tips for UI Testing — Make a mock flavor, and test on it
14. Other Tips for UI Testing — Make a mock flavor, and test on it — Feed your networking stack mock data
15. Shameless Vokal Plug Alert!
16. Other Tips for UI Testing — Make a mock flavor, and test on it — Feed your networking stack mock data (Mocktrofit)
17. Other Tips for UI Testing — Make a mock flavor, and test on it — Feed your networking stack mock data (Mocktrofit) — Compare R.string string resources to what's on screen.
18. Other Tips for UI Testing — Make a mock flavor, and test on it — Feed your networking stack mock data (Mocktrofit) — Compare R.string string resources to what's on screen. — Remember when you need to scroll!
19. Other Tips for UI Testing — Make a mock flavor, and test on it — Feed your networking stack mock data (Mocktrofit) — Compare R.string string resources to what's on screen. — Remember when you need to scroll! — Get to a piece of your UI that's buried without having to tap 800 buttons yourself
20. NOTE: If You're Using JUnit4... You should Bookmark Jake Wharton's gist for accessing the activity: https://gist.github.com/ JakeWharton/ 1c2f2cadab2ddd97f9fb
21. Question Time!
22. Links Galore! — Quickstart: https://code.google.com/p/android-test- kit/wiki/EspressoStartGuide — Mocktrofit: https://github.com/vokal/mocktrofit — ActivityRule: https://gist.github.com/JakeWharton/ 1c2f2cadab2ddd97f9fb — My Frankenstein Sample Project: https://github.com/ designatednerd/AndroidListenerExamples