Having a taste of Android? testing in 10 minutes...

It is well known that testing offers significant advantages as a development practice and helps ensure higher quality code with fewer defects.
In this session we are gonna talk about available tools and practices that could help us write tests for the Android platform.

Transcript

1. Having a taste of ANDROID?
   testing in 10 minutes…
   @fernando_cejas
   Code samples:
   https://github.com/android10/Inside_Android_Testing
   https://github.com/android10/AndroidApplicationTestingSample
   

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2. @fernando_cejas
   •  Software Engineer
   •  GDG Barcelona Organizer
   •  Android lover
   •  Geek
   •  Gintonic fan…
   …y un pelotudo…
   

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3. Agenda? Noooo…only 10 minutes
   pitch…
   

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4. Why testing..WTF?
   •  Testing increases the level of confidence in
   your code.
   •  Testing makes it possible to write new code,
   and refactor existing code, without worrying
   that you’ve broken existing functionality.
   

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5. Types of tests:
   •  Unit testing
   •  Integration Testing
   •  Functional and System Testing
   1.  Stress Testing
   2.  Performance Testing
   3.  Usability Testing
   •  Acceptance Testing
   •  Regression Testing
   1.  Smoke Testing
   

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6. Dependency injection is a software design
   pattern that allows the removal of hard-coded
   dependencies and makes it possible to change
   them, whether at run-time or compile-time
   Dependency what?
   

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7. Dagger
   Directed
   Acyclic
   Graph
   

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8. Dagger Graph sample
   

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9. Martin Fowler:
   "...test-doubles ... preprogrammed with
   expectation"
   What is this mock thing?
   

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10. Mocking Frameworks allow us to test the
    code you want, without its dependencies.
    Mock objects isolate the unit
    of code you are testing.
    GIVE A WARM
    WELCOME TO…
    mockito
    Mock objects can simulate
    the behaviour of complex
    objects.
    

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11. Allows you to run your android
    code on JVM.
    Allows loading of Android
    Classes in pure Java
    Projects.
    TO THE RESCUE…
    

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12. •  Uses real Android SDK code
    •  Styles and themes supported
    •  System resources are available
    •  Performance improved
    •  Bugs fixed
    Robolectric 2.0+
    

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13. Spoon
    •  Acceptance tests (black box)
    •  Automation of test execution across multiple
    devices
    •  Aggregation of the results
    

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14. Spoon
    •  Acceptance tests
    (black box)
    •  Automation of test
    execution across
    multiple devices
    •  Aggregation of the
    results
    

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15. •  Robojuice
    •  Robotium
    •  Android Testing Framework
    •  UI Automator
    •  Monkey Runner
    •  Espresso
    •  Calabash
    More tools…
    

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16. WRITE TESTS!!!
    •  Simplify your architecture
    •  Have a robust testing strategy
    •  Use continuous integration tools
    •  Mock/stub functionality
    •  Create your own test runner
    Best practices and some advice…
    

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17. DO NOT LET YOUR CODE TO BE BROKEN…
    DO NOT BREAK EXISTING FUNCTIONLITY…
    

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19. Questions? At the end of the seesion…
    

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20. @fernando_cejas
    https://github.com/android10
    jobs@tuenti.com
    http://corporate.tuenti.com/es/dev/blog
    THANKS!!!
    

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