tutorials/Android-Tutorial-Test-ShowCase
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Issue#67 Extract MainThread synchronization into a separate module

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This commit is contained in:
Gergely Hegedus 2022-05-27 15:41:20 +03:00
parent 1c0153db75
commit bbe077dde8
8 changed files with 36 additions and 42 deletions
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1
test-util-android/build.gradle
View file

@ -32,4 +32,5 @@ android {
dependencies {
implementation "org.jetbrains.kotlinx:kotlinx-coroutines-test:$coroutines_version"
implementation "androidx.test:core:$androidx_test_version"
implementation"androidx.test.espresso:espresso-core:$espresso_version"
}

11
test-util-android/src/main/java/org/fnives/test/showcase/android/testutil/synchronization/doBlockinglyOnMainThread.kt → test-util-android/src/main/java/org/fnives/test/showcase/android/testutil/synchronization/mainThreadSynchronization.kt
View file

@ -2,8 +2,11 @@ package org.fnives.test.showcase.android.testutil.synchronization
import android.os.Handler
import android.os.Looper
import androidx.test.espresso.Espresso
import androidx.test.espresso.matcher.ViewMatchers
import kotlinx.coroutines.CompletableDeferred
import kotlinx.coroutines.runBlocking
import org.fnives.test.showcase.android.testutil.viewaction.LoopMainThreadFor
/**
* Runs the given action on the MainThread and blocks currentThread, until it is completed.
@ -22,3 +25,11 @@ fun runOnUIAwaitOnCurrent(action: () -> Unit) {
runBlocking { deferred.await() }
}
}
fun loopMainThreadFor(delay: Long) {
if (Looper.getMainLooper().thread == Thread.currentThread()) {
Thread.sleep(200L)
} else {
Espresso.onView(ViewMatchers.isRoot()).perform(LoopMainThreadFor(delay))
}
}

17
test-util-android/src/main/java/org/fnives/test/showcase/android/testutil/viewaction/LoopMainThreadFor.kt Normal file
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@ -0,0 +1,17 @@
package org.fnives.test.showcase.android.testutil.viewaction
import android.view.View
import androidx.test.espresso.UiController
import androidx.test.espresso.ViewAction
import org.hamcrest.Matcher
import org.hamcrest.Matchers
class LoopMainThreadFor(private val delayInMillis: Long) : ViewAction {
override fun getConstraints(): Matcher<View> = Matchers.isA(View::class.java)
override fun getDescription(): String = "loop MainThread for $delayInMillis milliseconds"
override fun perform(uiController: UiController, view: View?) {
uiController.loopMainThreadForAtLeast(delayInMillis)
}
}

17
test-util-android/src/main/java/org/fnives/test/showcase/android/testutil/viewaction/LoopMainThreadUntilIdle.kt Normal file
View file

@ -0,0 +1,17 @@
package org.fnives.test.showcase.android.testutil.viewaction
import android.view.View
import androidx.test.espresso.UiController
import androidx.test.espresso.ViewAction
import org.hamcrest.Matcher
import org.hamcrest.Matchers
class LoopMainThreadUntilIdle : ViewAction {
override fun getConstraints(): Matcher<View> = Matchers.isA(View::class.java)
override fun getDescription(): String = "loop MainThread for until Idle"
override fun perform(uiController: UiController, view: View?) {
uiController.loopMainThreadUntilIdle()
}
}