Slides created originally by @rafaelportela to Ágiles 2013 Perú and adapted to our presentation at TDC (The Developer's Conference) 2013 Porto Alegre. How to balance your android test suite to have a good feedback, from units to end-to-end tests.

1. Test Pyramid
in an
Android
Agile Project
PORTELA
GHISI
How to balance your android test
suite to have a good feedback,
from units to end-to-end tests.

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

3. 15+
Shared
codebases

4. 40+
Devs,
QAs
and
Ops

5. h6p://mar:nfowler.com/bliki/TestPyramid.html

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

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.Run:meExcep:on:
Stub!

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. getData()
saveSomething()

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

14. mock
stub
double
h6p://mar:nfowler.com/ar:cles/mocksArentStubs.html

15. Unit
Tests
with
Dependency
injec:on
Roboguice
DI
Mocks
Robolectric
Android
Shadows
jUnit
@Test

16. Func:onal
Test
UI testing [with full stack]
•
Tests user flow
•
BDD, ATDD
•
*not
a
strict
defini:on
•
Feedback after a coffee
sounds
perfect
business
likes
that
;)

17. Cucumber
+
Honeydew
step definitions in Ruby
wraps UIAutomator
]
=
github.com/amplify-­‐educa:on/honeydew
☺

18. Cucumber
feature
file

19. Honeydew
steps

20. why
cucumber?
https://speakerdeck.com/nicholaspufal/why-bdd-is-misunderstood

21. [
Cool..
write
as
much
user-­‐like
tests
as
you
can..
PERFECT!!
]

22. Unit
tests
results
history

23. UI
test
results
history
(1)

24. UI
test
results
history
(2)

25. Slow
Flaky
Costy

26. Feedback

27. the
build
keeper

29. some
UI
tests

30. Where
are
you?
h6p://www.mountaingoatsoXware.com/blog/the-­‐forgo6en-­‐layer-­‐of-­‐the-­‐test-­‐automa:on-­‐pyramid

31. h6p://fabiopereira.me/blog/2012/03/18/introducing-­‐depth-­‐of-­‐test-­‐dot/

32. backend
external
services
libs

33. API
contracts
validaJon
PACTO
h6ps://github.com/thoughtworks/pacto
h6ps://speakerdeck.com/marcosccm/evoluindo-­‐ecossistemas-­‐com-­‐consumer-­‐driven-­‐contracts

34. [
Annnnd..
the
manual
tests?
]

36. http://blog.kalistick.com/Agile/harden-testing-pyramid/

37. http://lisacrispin.com/2011/11/08/using-the-agile-testing-quadrants/

39. Feedback

40. Thank you! ;)
Questions?
Feedback?
A beer?
PORTELA
@rafaelportela
rportela@thoughtworks.com
GHISI
@thiagoghisi
tghisi@thoughtworks.com