am: Add unit tests for ActivityMetricsLaunchObserver
Add mockito-based behavioral unit tests for the LaunchObserver.
Verify each state transition.
Test: atest WmTests:ActivityMetricsLaunchObserverTests
Bug: 72170747
Bug: 112680320
Change-Id: Ie8685a1262ccc7730aa5c574274f7ad0caeeedef
diff --git a/services/tests/wmtests/src/com/android/server/wm/ActivityMetricsLaunchObserverTests.java b/services/tests/wmtests/src/com/android/server/wm/ActivityMetricsLaunchObserverTests.java
new file mode 100644
index 0000000..215c51d
--- /dev/null
+++ b/services/tests/wmtests/src/com/android/server/wm/ActivityMetricsLaunchObserverTests.java
@@ -0,0 +1,190 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package com.android.server.wm;
+
+import static android.app.ActivityManager.START_SUCCESS;
+import static android.app.ActivityManager.START_TASK_TO_FRONT;
+import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
+import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
+
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
+
+import android.content.Intent;
+import android.os.SystemClock;
+import android.platform.test.annotations.Presubmit;
+import android.util.SparseIntArray;
+
+import androidx.test.filters.FlakyTest;
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * Tests for the {@link ActivityMetricsLaunchObserver} class.
+ *
+ * Build/Install/Run:
+ * atest WmTests:ActivityMetricsLaunchObserverTests
+ */
+@SmallTest
+@Presubmit
+@FlakyTest(detail="promote once confirmed non-flaky")
+public class ActivityMetricsLaunchObserverTests extends ActivityTestsBase {
+ private ActivityMetricsLogger mActivityMetricsLogger;
+ private ActivityMetricsLaunchObserver mLaunchObserver;
+
+ private TestActivityStack mStack;
+ private TaskRecord mTask;
+ private ActivityRecord mActivityRecord;
+ private ActivityRecord mActivityRecordTrampoline;
+
+ @Before
+ public void setUpAMLO() throws Exception {
+ setupActivityTaskManagerService();
+
+ mActivityMetricsLogger =
+ new ActivityMetricsLogger(mSupervisor, mService.mContext, mService.mH.getLooper());
+
+ mLaunchObserver = mock(ActivityMetricsLaunchObserver.class);
+
+ // TODO: Use ActivityMetricsLaunchObserverRegistry .
+ java.lang.reflect.Field f =
+ mActivityMetricsLogger.getClass().getDeclaredField("mLaunchObserver");
+ f.setAccessible(true);
+ f.set(mActivityMetricsLogger, mLaunchObserver);
+
+ // Sometimes we need an ActivityRecord for ActivityMetricsLogger to do anything useful.
+ // This seems to be the easiest way to create an ActivityRecord.
+ mStack = mSupervisor.getDefaultDisplay().createStack(
+ WINDOWING_MODE_FULLSCREEN, ACTIVITY_TYPE_STANDARD, true /* onTop */);
+ mTask = new TaskBuilder(mSupervisor).setStack(mStack).build();
+ mActivityRecord = new ActivityBuilder(mService).setTask(mTask).build();
+ mActivityRecordTrampoline = new ActivityBuilder(mService).setTask(mTask).build();
+ }
+
+ @Test
+ public void testOnIntentStarted() throws Exception {
+ Intent intent = new Intent("action 1");
+
+ mActivityMetricsLogger.notifyActivityLaunching(intent);
+
+ verify(mLaunchObserver).onIntentStarted(eq(intent));
+ verifyNoMoreInteractions(mLaunchObserver);
+ }
+
+ @Test
+ public void testOnIntentFailed() throws Exception {
+ testOnIntentStarted();
+
+ ActivityRecord activityRecord = null;
+
+ // Bringing an intent that's already running 'to front' is not considered
+ // as an ACTIVITY_LAUNCHED state transition.
+ mActivityMetricsLogger.notifyActivityLaunched(START_TASK_TO_FRONT,
+ activityRecord);
+
+ verify(mLaunchObserver).onIntentFailed();
+ verifyNoMoreInteractions(mLaunchObserver);
+ }
+
+ @Test
+ public void testOnActivityLaunched() throws Exception {
+ testOnIntentStarted();
+
+ mActivityMetricsLogger.notifyActivityLaunched(START_SUCCESS,
+ mActivityRecord);
+
+ verify(mLaunchObserver).onActivityLaunched(eq(mActivityRecord), anyInt());
+ verifyNoMoreInteractions(mLaunchObserver);
+ }
+
+ @Test
+ public void testOnActivityLaunchFinished() throws Exception {
+ testOnActivityLaunched();
+
+ mActivityMetricsLogger.notifyTransitionStarting(new SparseIntArray(),
+ SystemClock.uptimeMillis());
+
+ mActivityMetricsLogger.notifyWindowsDrawn(mActivityRecord.getWindowingMode(),
+ SystemClock.uptimeMillis());
+
+ verify(mLaunchObserver).onActivityLaunchFinished(eq(mActivityRecord));
+ verifyNoMoreInteractions(mLaunchObserver);
+ }
+
+ @Test
+ public void testOnActivityLaunchCancelled() throws Exception {
+ testOnActivityLaunched();
+
+ mActivityRecord.nowVisible = true;
+
+ // Cannot time already-visible activities.
+ mActivityMetricsLogger.notifyActivityLaunched(START_TASK_TO_FRONT, mActivityRecord);
+
+ verify(mLaunchObserver).onActivityLaunchCancelled(eq(mActivityRecord));
+ verifyNoMoreInteractions(mLaunchObserver);
+ }
+
+ @Test
+ public void testOnActivityLaunchedTrampoline() throws Exception {
+ testOnIntentStarted();
+
+ mActivityMetricsLogger.notifyActivityLaunched(START_SUCCESS,
+ mActivityRecord);
+
+ verify(mLaunchObserver).onActivityLaunched(eq(mActivityRecord), anyInt());
+
+ // A second, distinct, activity launch is coalesced into the the current app launch sequence
+ mActivityMetricsLogger.notifyActivityLaunched(START_SUCCESS,
+ mActivityRecordTrampoline);
+
+ verifyNoMoreInteractions(mLaunchObserver);
+ }
+
+ @Test
+ public void testOnActivityLaunchFinishedTrampoline() throws Exception {
+ testOnActivityLaunchedTrampoline();
+
+ mActivityMetricsLogger.notifyTransitionStarting(new SparseIntArray(),
+ SystemClock.uptimeMillis());
+
+ mActivityMetricsLogger.notifyWindowsDrawn(mActivityRecordTrampoline.getWindowingMode(),
+ SystemClock.uptimeMillis());
+
+ verify(mLaunchObserver).onActivityLaunchFinished(eq(mActivityRecordTrampoline));
+ verifyNoMoreInteractions(mLaunchObserver);
+ }
+
+ @Test
+ public void testOnActivityLaunchCancelledTrampoline() throws Exception {
+ testOnActivityLaunchedTrampoline();
+
+ mActivityRecordTrampoline.nowVisible = true;
+
+ // Cannot time already-visible activities.
+ mActivityMetricsLogger.notifyActivityLaunched(START_TASK_TO_FRONT,
+ mActivityRecordTrampoline);
+
+ verify(mLaunchObserver).onActivityLaunchCancelled(eq(mActivityRecordTrampoline));
+ verifyNoMoreInteractions(mLaunchObserver);
+ }
+}