Espresso Idling Resource

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Espresso Idling Resource ☕ @takuji31

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@takuji31 (Takuji Nishibayashi) Applica7on Engineer at Hatena

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Loves • ! (AVG 175) • " # • h,p:/ /photo.takuji31.jp • $ • h,p:/ /nazuna.takuji31.jp • Android • Kotlin

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AGENDA • UIςετΛॻ࣌͘ͷ೰Έ • ղܾํ๏ • Espresso Idling Resource • ϋϚΓͲ͜Ζ

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UIςετΛॻ࣌͘ͷ೰Έ

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ඇಉظͷςετ

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ςετ͕ՄೳʹͳΔ·Ͱ଴ͭ

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ࡶͳղܾํ๏

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Thread.sleep(1000)

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ωοτϫʔΫ͕஗͍

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ͨ·ʹίέΔ !

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Jenkins͕ॏ͍

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ͨ·ʹίέΔ !

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ͪΐͬͱݡ͍ํ๏

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खͰؤுΔ

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RxJava

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Թ͔Έͷ͋Δख࣮૷

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ෳ਺ίϯϙʔωϯτΛ଴ͭͷ͕େม Ac#vity + ViewModelͱ͔

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ຊ࣭తͰͳ͍ͱ͜Ζʹίετ͕͔͔ Γ͗͢Δ

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ઈର΍Γͨ͘ͳ͍ !

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Espresso Idling Resource

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Espresso plugin?

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ΞΠυϦϯάͷ࢓૊ΈΛఏڙ

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IdlingResource

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Ϧιʔε

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IdlingRegistry

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ΞΠυϦϯάΛ؂ࢹ͢ΔϨδετϦ ʔ

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࢖͍ํ

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build.gradle compile 'com.android.support.test.espresso:espresso-idling-resource:3.0.0'

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IdlingResource

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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 } }

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࢖͏

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ΞϓϦ

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ViewModel class ViewModel { var artists: List = emptyList() var loadingDisposable: Disposable? = null @VisibleForTesting(otherwise = VisibleForTesting.PRIVATE) val loadingIdlingResource : SimpleIdlingResource = SimpleIdlingResource("IdlingResourceViewModelLoading") }

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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 } } }

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ςετ

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test class IdlingResourceActivityTest { @JvmField @Rule val rule : IntentsTestRule = IntentsTestRule(IdlingResourceActivity::class.java, true, true) var initializeIdlingResource : IdlingResource? = null }

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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 } } }

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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) } } }

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EspressoͷػೳΛ࢖Θͳ͍͚Ͳ଴ͪ ͍ͨ

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ex) GA΁ͷΠϕϯτૹ৴Λςετ

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Espresso.onIdle()

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༻ҙ͞Ε͍ͯΔIdlingResource

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CountingIdlingResource

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ηϚϑΥͬΆ͍΍ͭ

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increment()/decrement()

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IdlingScheduledThreadPoolExecutor / IdlingThreadPoolExecutor

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ThreadPoolExecutor

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UriIdlingResource

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UriΛΩʔʹͰ͖ΔIdlingResource

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ϋϚΓͲ͜Ζ

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Test with Proguard

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No content

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Proguard rule -keep class android.support.test.espresso.** { public *; }

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takuji31/KanmobaAndroid

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Enjoy Espresso life !