Espresso Idling Resource

1. Espresso Idling Resource ☕ @takuji31
2. @takuji31 (Takuji Nishibayashi) Applica7on Engineer at Hatena
3. Loves • ! (AVG 175) • " # • h,p:/ /photo.takuji31.jp • $ • h,p:/ /nazuna.takuji31.jp • Android • Kotlin
4. AGENDA • UIςετΛॻ࣌͘ͷ೰Έ • ղܾํ๏ • Espresso Idling Resource • ϋϚΓͲ͜Ζ
5. UIςετΛॻ࣌͘ͷ೰Έ
6. ඇಉظͷςετ
7. ςετ͕ՄೳʹͳΔ·Ͱ଴ͭ
8. ࡶͳղܾํ๏
9. Thread.sleep(1000)
10. ωοτϫʔΫ͕஗͍
11. ͨ·ʹίέΔ !
12. Jenkins͕ॏ͍
13. ͨ·ʹίέΔ !
14. ͪΐͬͱݡ͍ํ๏
15. खͰؤுΔ
16. RxJava
17. Թ͔Έͷ͋Δख࣮૷
18. ෳ਺ίϯϙʔωϯτΛ଴ͭͷ͕େม Ac#vity + ViewModelͱ͔
19. ຊ࣭తͰͳ͍ͱ͜Ζʹίετ͕͔͔ Γ͗͢Δ
20. ઈର΍Γͨ͘ͳ͍ !
21. Espresso Idling Resource
22. Espresso plugin?
23. ΞΠυϦϯάͷ࢓૊ΈΛఏڙ
24. IdlingResource
25. Ϧιʔε
26. IdlingRegistry
27. ΞΠυϦϯάΛ؂ࢹ͢ΔϨδετϦ ʔ
28. ࢖͍ํ
29. build.gradle compile 'com.android.support.test.espresso:espresso-idling-resource:3.0.0'
30. IdlingResource
31. SimpleIdlingResource class SimpleIdlingResource(private val name: String) : IdlingResource { private var callback: IdlingResource.ResourceCallback? = null var isIdle: Boolean = false set(value) { field = value if (value) { callback?.run { onTransitionToIdle() } } } override fun getName(): String = this.name override fun isIdleNow(): Boolean = isIdle override fun registerIdleTransitionCallback(callback: IdlingResource.ResourceCallback?) { this.callback = callback } }
32. ࢖͏
33. ΞϓϦ
34. ViewModel class ViewModel { var artists: List<Artist> = emptyList() var loadingDisposable: Disposable? = null @VisibleForTesting(otherwise = VisibleForTesting.PRIVATE) val loadingIdlingResource : SimpleIdlingResource = SimpleIdlingResource("IdlingResourceViewModelLoading") }
35. ViewModel class ViewModel { fun onCreate() { // fake API request fakeReload() } private fun fakeReload() { loadingDisposable = Single .timer(3, TimeUnit.SECONDS) .doOnSubscribe { loadingIdlingResource.isIdle = false } .doFinally { loadingIdlingResource.isIdle = true } .subscribe { _, _ -> artists = Artist.list } } }
36. ςετ
37. test class IdlingResourceActivityTest { @JvmField @Rule val rule : IntentsTestRule<IdlingResourceActivity> = IntentsTestRule(IdlingResourceActivity::class.java, true, true) var initializeIdlingResource : IdlingResource? = null }
38. test class IdlingResourceActivityTest { @Before fun setUp() { initializeIdlingResource = rule.activity.viewModel.loadingIdlingResource IdlingRegistry.getInstance().register(initializeIdlingResource) } @After fun tearDown() { initializeIdlingResource?.run { IdlingRegistry.getInstance().unregister(this) initializeIdlingResource = null } } }
39. test class IdlingResourceActivityTest { @Test fun testReload() { // remove 3 items repeat(3) { openActionBarOverflowOrOptionsMenu(rule.activity) onView(withText("Remove first")).perform(click()) } onView(withId(R.id.swipeRefreshLayout)).perform(swipeDown()) onView(withId(R.id.recyclerView)).check { view, _ -> val recyclerView = view as RecyclerView assertEquals(recyclerView.childCount, Artist.list.size) assertEquals(recyclerView.adapter.itemCount, Artist.list.size) } } }
40. EspressoͷػೳΛ࢖Θͳ͍͚Ͳ଴ͪ ͍ͨ
41. ex) GA΁ͷΠϕϯτૹ৴Λςετ
42. Espresso.onIdle()
43. ༻ҙ͞Ε͍ͯΔIdlingResource
44. CountingIdlingResource
45. ηϚϑΥͬΆ͍΍ͭ
46. increment()/decrement()
47. IdlingScheduledThreadPoolExecutor / IdlingThreadPoolExecutor
48. ThreadPoolExecutor
49. UriIdlingResource
50. UriΛΩʔʹͰ͖ΔIdlingResource
51. ϋϚΓͲ͜Ζ
52. Test with Proguard
54. !
55. Proguard rule -keep class android.support.test.espresso.** { public *; }
56. takuji31/KanmobaAndroid
57. Enjoy Espresso life !