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
   

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2. Espresso: What is?
   — Open-source UI testing
   framework for Android created
   by Google.
   

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3. Espresso: What is?
   — Open-source UI testing
   framework for Android created
   by Google.
   — A great way to integration-test
   your application
   

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4. Espresso: How work?
   — Hamcrest Matchers dig
   through the view hierarchy
   

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5. Espresso: How work?
   — Hamcrest Matchers dig
   through the view hierarchy
   — Only considers the portions of
   the view immediately visible
   to the user
   

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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
   

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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
   

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8. DEMO
   

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9. UI Testing Best Practices
   — Don't navigate through your entire UI every single
   time.
   

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10. UI Testing Best Practices
    — Don't navigate through your entire UI every single
    time.
    — Use class and instance Before/After methods
    

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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
    

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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.
    

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13. Other Tips for UI Testing
    — Make a mock flavor, and test on it
    

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14. Other Tips for UI Testing
    — Make a mock flavor, and test on it
    — Feed your networking stack mock data
    

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15. Shameless
    Vokal Plug Alert!
    

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16. Other Tips for UI Testing
    — Make a mock flavor, and test on it
    — Feed your networking stack mock data (Mocktrofit)
    

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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.
    

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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!
    

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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
    

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20. NOTE: If You're Using JUnit4...
    You should Bookmark Jake
    Wharton's gist for accessing the
    activity:
    https://gist.github.com/
    JakeWharton/
    1c2f2cadab2ddd97f9fb
    

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21. Question Time!
    

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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
    

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