How to balance your android test suite to have a good feedback, from units to functionals.

1. Test Pyramid
in an
Android
Agile Project
Lima, 2013
PORTELA
PAMELA
How to balance your android test
suite to have a good
feedback, from units to functionals.

2. [
Tests, seriously? It’s a mobile app..
]

3. 15+
Shared codebases

4. 40+
Devs, QAs and Ops

5. http://martinfowler.com/bliki/TestPyramid.html

6. Unit Test
Verify small pieces individually
Run fast
Run a lot of times during development
Feedback instantly
6

7. Feedback

8. Android? It’s Java, let’s TDD.

9. Android TDD
Android SDK classes are not trivial
huge API
eyes on docs
java.lang.RuntimeException: Stub!
9

10. test object
result()
assert(expected, obj.result())
Humm,
I’ve seen that..
The ‘2 + 2 = 4’
example!

11. the object u’re looking at
dependencies

12. when(stub.getData()).thenReturn(data)
getData()
saveSomething()
verify(mock).saveSomething()

13. mock
stub
double
http://martinfowler.com/articles/mocksArentStubs.html

14. Unit Tests
with
Dependency
injection
Roboguice
DI
Mocks
Robolectric
Android Shadows
jUnit
@Test

15. Functional
Test
UI testing [with full stack]
Tests user flow
sounds perfect
BDD, ATDD
business likes that ;)
Feedback after a coffee
*not a strict definition

16. Cucumber
+
Honeydew
step definitions in Ruby
wraps UIAutomator
=
]
github.com/amplify-education/honeydew


17. Cucumber feature file

18. Honeydew steps

19. [
Cool.. write as much user-like tests
as you can.. PERFECT!!
]

20. Slow
Flaky
Costy

21. Feedback

22. some UI tests

23. Where are you?

24. http://fabiopereira.me/blog/2012/03/18/introducing-depth-of-test-dot/

25. backend
external services
libs

26. API contracts validation
PACTO
https://github.com/thoughtworks/pacto

27. [
Annnnd.. the manual tests?
]

30. Thank you! ;)
Questions?
Feedback?
A beer?
PORTELA
@rafaelportela
rportela@thoughtworks.com
PAMELA
@pamcdm
pmori@thoughtworks.com