Use UiDevice to sleep/wakeup

Author: hannesa2

extendedSample/src/androidTest/java/info/mqtt/android/extsample/activity/KeyEvent.kt

@@ -1,7 +1,5 @@
 package info.mqtt.android.extsample.activity
 
-import android.app.UiAutomation
-import android.os.Build
 import android.view.Gravity
 import androidx.test.core.graphics.writeToTestStorage
 import androidx.test.espresso.Espresso.onView
@@ -18,6 +16,7 @@ import androidx.test.espresso.screenshot.captureToBitmap
 import androidx.test.ext.junit.rules.activityScenarioRule
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.uiautomator.UiDevice
 import com.moka.lib.assertions.WaitingAssertion
 import info.mqtt.android.extsample.MainActivity
 import info.mqtt.android.extsample.R
@@ -27,16 +26,14 @@ import org.junit.Test
 import org.junit.rules.TestName
 import org.junit.runner.RunWith
 import timber.log.Timber
-import java.io.FileInputStream
-import java.io.IOException
-import java.io.InputStream
 import java.lang.Thread.sleep
-import java.util.Locale
 
 
 @RunWith(AndroidJUnit4::class)
 class LongRunningSleepMode {
 
+    private lateinit var device: UiDevice
+
     // a handy JUnit rule that stores the method name, so it can be used to generate unique screenshot files per test method
     @get:Rule
     var nameRule = TestName()
@@ -46,6 +43,7 @@ class LongRunningSleepMode {
 
     @Before
     fun setUp() {
+        device = UiDevice.getInstance(InstrumentationRegistry.getInstrumentation())
     }
 
     @Test
@@ -73,11 +71,18 @@ class LongRunningSleepMode {
 
         // Now send device to sleep
         Timber.i("Send device to sleep")
-        sendKeyEvent(KeyEvent.SLEEP)
-        Timber.i("wait ${WAIT_SECONDS}")
+        device.sleep()
+        sleep(1000 * 2)
+        onView(ViewMatchers.isRoot())
+            .captureToBitmap()
+            .writeToTestStorage("${javaClass.simpleName}_${nameRule.methodName}-sleep")
+        Timber.i("wait $WAIT_SECONDS seconds")
         sleep(1000 * WAIT_SECONDS)
-        sendKeyEvent(KeyEvent.AWAKE)
-        Timber.i("Awake device")
+        device.wakeUp()
+        Timber.i("Wakeup device")
+        onView(ViewMatchers.isRoot())
+            .captureToBitmap()
+            .writeToTestStorage("${javaClass.simpleName}_${nameRule.methodName}-afterWakeUp")
 
         onView(withId(2)).perform(click())
         onView(withId(R.id.topic)).perform(replaceText(TOPIC))
@@ -95,67 +100,8 @@ class LongRunningSleepMode {
             .writeToTestStorage("${javaClass.simpleName}_${nameRule.methodName}-End")
     }
 
-    // Source:
-    // https://github.com/facebook/screenshot-tests-for-android/blob/main/core/src/main/java/com/facebook/testing/screenshot/internal/Registry.java
-    private fun sendKeyEvent(event: KeyEvent) {
-        if (Build.VERSION.SDK_INT < 23) {
-            return
-        }
-        val command = String.format(Locale.ENGLISH, "adb shell input keyevent %s", event.eventKey)
-
-//        Timber.d("event=${event.name} cmd='$command'")
-//        try {
-//            val proc = Runtime.getRuntime().exec(arrayOf(command))
-//            var line: String?
-//
-//            val stderr = proc.errorStream
-//            val esr = InputStreamReader(stderr)
-//            val ebr = BufferedReader(esr)
-//            while ((ebr.readLine().also { line = it }) != null) Timber.e("FXN-BOOTCLASSPATH", line!!)
-//
-//            val stdout = proc.inputStream
-//            val osr = InputStreamReader(stdout)
-//            val obr = BufferedReader(osr)
-//            while ((obr.readLine().also { line = it }) != null) Timber.i("FXN-BOOTCLASSPATH", line!!)
-//
-//            val exitVal = proc.waitFor()
-//            Timber.d("FXN-BOOTCLASSPATH", "getprop exitValue: $exitVal")
-//        } catch (e: Exception) {
-//            Timber.e(e)
-//        }
-
-        Timber.d("event=${event.name} cmd='$command'")
-        val automation: UiAutomation = InstrumentationRegistry.getInstrumentation().uiAutomation
-        val fileDescriptor = automation.executeShellCommand(command)
-        val stream: InputStream = FileInputStream(fileDescriptor.fileDescriptor)
-        try {
-            val buffer = ByteArray(1024)
-            Timber.d("start")
-            while (stream.read(buffer) != -1) {
-                Timber.d("while")
-                // Consume stdout to ensure the command completes
-                Timber.v(buffer.toString())
-            }
-            Timber.d("done")
-        } catch (e: IOException) {
-            Timber.e(e)
-        } finally {
-            try {
-                stream.close()
-            } catch (e: IOException) {
-                Timber.e(e)
-            }
-            try {
-                fileDescriptor.close()
-            } catch (e: IOException) {
-                Timber.e(e)
-            }
-            Timber.d("finished")
-        }
-    }
-
     companion object {
         private const val TOPIC = "AnotherTest"
-        private const val WAIT_SECONDS = 60L
+        private const val WAIT_SECONDS = 310L
     }
 }