test pyramid in an android agile project - tdc2013
DESCRIPTION
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.TRANSCRIPT
Test Pyramid in an
Android Agile Project
How to balance your android test suite to have a good feedback, from units to end-to-end tests.
PORTELA GHISI
Tests, seriously? It’s a mobile app... [ ]
Shared codebases
15+
Devs, QAs and Ops
40+
h6p://mar:nfowler.com/bliki/TestPyramid.html
Unit Test
• Verify small pieces individually
• Run fast
• Run a lot of times during development
• Feedback instantly
Feedback
Android? It’s Java, let’s TDD.
Android TDD
java.lang.Run:meExcep:on: Stub!
Android SDK classes are not trivial
eyes on docs
huge API
test object
result()
assert(expected, obj.result())
Humm, I’ve seen that.. The ‘2 + 2 = 4’ example!
the object u’re looking at
dependencies
getData()
saveSomething()
getData()
saveSomething()
when(stub.getData()).thenReturn(data)
verify(mock).saveSomething()
h6p://mar:nfowler.com/ar:cles/mocksArentStubs.html
mock stub double
Unit Tests with
Dependency injec:on
Roboguice
Robolectric
jUnit
DI
Mocks
Android Shadows
@Test
Func:onal Test
• UI testing [with full stack]
• Tests user flow
• BDD, ATDD
• Feedback after a coffee
business likes that ;)
sounds perfect
*not a strict defini:on
Cucumber
Honeydew
wraps UIAutomator
step definitions in Ruby
+ =]
☺
github.com/amplify-‐educa:on/honeydew
Cucumber feature file
Honeydew steps
why cucumber? https://speakerdeck.com/nicholaspufal/why-bdd-is-misunderstood
Cool.. write as much user-‐like tests as you can.. PERFECT!! [ ]
Unit tests results history
UI test results history (1)
UI test results history (2)
Flaky
Slow
Costy
Feedback
the build keeper
some UI tests
Where are you?
h6p://www.mountaingoatsoXware.com/blog/the-‐forgo6en-‐layer-‐of-‐the-‐test-‐automa:on-‐pyramid
h6p://fabiopereira.me/blog/2012/03/18/introducing-‐depth-‐of-‐test-‐dot/
external services
backend
libs
API contracts validaJon
PACTO
h6ps://github.com/thoughtworks/pacto h6ps://speakerdeck.com/marcosccm/evoluindo-‐ecossistemas-‐com-‐consumer-‐driven-‐contracts
Annnnd.. the manual tests? [ ]
http://blog.kalistick.com/Agile/harden-testing-pyramid/
http://lisacrispin.com/2011/11/08/using-the-agile-testing-quadrants/
Feedback
Thank you! ;)
PORTELA @rafaelportela [email protected] GHISI @thiagoghisi [email protected]
Questions? Feedback?
A beer?