integration test for open settings menu from workspace.

compare pid of launcher process after test execution to verify launcher isn't crashed when running in oop test.

Bug: 147235759
Change-Id: Id13c47f5c4e388cc8e95b19d099e94a2e540bf3f
Test: fun flake locally
diff --git a/src/com/android/launcher3/testing/TestInformationHandler.java b/src/com/android/launcher3/testing/TestInformationHandler.java
index 40e267b..ecfc77c 100644
--- a/src/com/android/launcher3/testing/TestInformationHandler.java
+++ b/src/com/android/launcher3/testing/TestInformationHandler.java
@@ -24,6 +24,7 @@
 import android.graphics.Color;
 import android.os.Bundle;
 import android.os.Debug;
+import android.system.Os;
 import android.view.View;
 
 import androidx.annotation.Keep;
@@ -136,6 +137,11 @@
                 break;
             }
 
+            case TestProtocol.REQUEST_PID: {
+                response.putInt(TestProtocol.TEST_INFO_RESPONSE_FIELD, Os.getpid());
+                break;
+            }
+
             case TestProtocol.REQUEST_TOTAL_PSS_KB: {
                 runGcAndFinalizersSync();
                 Debug.MemoryInfo mem = new Debug.MemoryInfo();
diff --git a/src/com/android/launcher3/testing/TestProtocol.java b/src/com/android/launcher3/testing/TestProtocol.java
index dd8df88..929315a 100644
--- a/src/com/android/launcher3/testing/TestProtocol.java
+++ b/src/com/android/launcher3/testing/TestProtocol.java
@@ -73,6 +73,7 @@
     public static final String REQUEST_APPS_LIST_SCROLL_Y = "apps-list-scroll-y";
     public static final String REQUEST_OVERVIEW_LEFT_GESTURE_MARGIN = "overview-left-margin";
     public static final String REQUEST_OVERVIEW_RIGHT_GESTURE_MARGIN = "overview-right-margin";
+    public static final String REQUEST_PID = "pid";
     public static final String REQUEST_TOTAL_PSS_KB = "total_pss";
     public static final String REQUEST_JAVA_LEAK = "java-leak";
     public static final String REQUEST_NATIVE_LEAK = "native-leak";
diff --git a/src/com/android/launcher3/views/OptionsPopupView.java b/src/com/android/launcher3/views/OptionsPopupView.java
index 88d34da..5ba931d 100644
--- a/src/com/android/launcher3/views/OptionsPopupView.java
+++ b/src/com/android/launcher3/views/OptionsPopupView.java
@@ -47,7 +47,6 @@
 import java.util.ArrayList;
 import java.util.List;
 
-
 /**
  * Popup shown on long pressing an empty space in launcher
  */
diff --git a/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java b/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java
index d7096b0..61f5150 100644
--- a/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java
+++ b/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java
@@ -18,6 +18,9 @@
 
 import static androidx.test.InstrumentationRegistry.getInstrumentation;
 
+import static com.android.launcher3.util.rule.TestStabilityRule.LOCAL;
+import static com.android.launcher3.util.rule.TestStabilityRule.UNBUNDLED_POSTSUBMIT;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
@@ -36,10 +39,12 @@
 import com.android.launcher3.tapl.AppIconMenuItem;
 import com.android.launcher3.tapl.Widgets;
 import com.android.launcher3.tapl.Workspace;
+import com.android.launcher3.util.rule.TestStabilityRule.Stability;
 import com.android.launcher3.views.OptionsPopupView;
 import com.android.launcher3.widget.WidgetsFullSheet;
 import com.android.launcher3.widget.WidgetsRecyclerView;
 
+import org.junit.After;
 import org.junit.Before;
 import org.junit.Ignore;
 import org.junit.Test;
@@ -50,10 +55,18 @@
 public class TaplTestsLauncher3 extends AbstractLauncherUiTest {
     private static final String APP_NAME = "LauncherTestApp";
 
+    private int mLauncherPid;
+
     @Before
     public void setUp() throws Exception {
         super.setUp();
         initialize(this);
+        mLauncherPid = mLauncher.getPid();
+    }
+
+    @After
+    public void teardown() {
+        assertEquals("Launcher crashed, pid mismatch:", mLauncherPid, mLauncher.getPid());
     }
 
     public static void initialize(AbstractLauncherUiTest test) throws Exception {
@@ -100,6 +113,16 @@
         mLauncher.pressHome();
     }
 
+    // b/146432215: remove @Stability after 2/1/2020 if this test doesn't flake
+    @Test
+    @Stability(flavors = LOCAL | UNBUNDLED_POSTSUBMIT)
+    public void testOpenHomeSettingsFromWorkspace() {
+        mDevice.pressMenu();
+        mDevice.waitForIdle();
+        mLauncher.getOptionsPopupMenu().getMenuItem("Home settings")
+                        .launch(mDevice.getLauncherPackageName());
+    }
+
     @Test
     @Ignore
     public void testPressHomeOnAllAppsContextMenu() throws Exception {
diff --git a/tests/tapl/com/android/launcher3/tapl/AppIcon.java b/tests/tapl/com/android/launcher3/tapl/AppIcon.java
index 44fc3f7..2da6344 100644
--- a/tests/tapl/com/android/launcher3/tapl/AppIcon.java
+++ b/tests/tapl/com/android/launcher3/tapl/AppIcon.java
@@ -16,9 +16,6 @@
 
 package com.android.launcher3.tapl;
 
-import android.graphics.Point;
-import android.os.SystemClock;
-import android.view.MotionEvent;
 import android.widget.TextView;
 
 import androidx.test.uiautomator.By;
@@ -41,14 +38,8 @@
      * Long-clicks the icon to open its menu.
      */
     public AppIconMenu openMenu() {
-        final Point iconCenter = mObject.getVisibleCenter();
-        final long downTime = SystemClock.uptimeMillis();
-        mLauncher.sendPointer(downTime, downTime, MotionEvent.ACTION_DOWN, iconCenter);
-        final UiObject2 deepShortcutsContainer = mLauncher.waitForLauncherObject(
-                "deep_shortcuts_container");
-        mLauncher.sendPointer(
-                downTime, SystemClock.uptimeMillis(), MotionEvent.ACTION_UP, iconCenter);
-        return new AppIconMenu(mLauncher, deepShortcutsContainer);
+        return new AppIconMenu(mLauncher, mLauncher.clickAndGet(
+                mObject, "deep_shortcuts_container"));
     }
 
     @Override
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index 28c9e7a..217f696 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -691,6 +691,20 @@
         }
     }
 
+    /**
+     * Gets the Options Popup Menu object if the current state is showing the popup menu. Fails if
+     * the launcher is not in that state.
+     *
+     * @return Options Popup Menu object.
+     */
+    @NonNull
+    public OptionsPopupMenu getOptionsPopupMenu() {
+        try (LauncherInstrumentation.Closable c = addContextLayer(
+                "want to get context menu object")) {
+            return new OptionsPopupMenu(this);
+        }
+    }
+
     void waitUntilGone(String resId) {
         assertTrue("Unexpected launcher object visible: " + resId,
                 mDevice.wait(Until.gone(getLauncherObjectSelector(resId)),
@@ -999,6 +1013,16 @@
         return getSystemIntegerRes(context, "config_navBarInteractionMode");
     }
 
+    @NonNull
+    UiObject2 clickAndGet(@NonNull final UiObject2 target, @NonNull String resName) {
+        final Point targetCenter = target.getVisibleCenter();
+        final long downTime = SystemClock.uptimeMillis();
+        sendPointer(downTime, downTime, MotionEvent.ACTION_DOWN, targetCenter);
+        final UiObject2 result = waitForLauncherObject(resName);
+        sendPointer(downTime, SystemClock.uptimeMillis(), MotionEvent.ACTION_UP, targetCenter);
+        return result;
+    }
+
     private static int getSystemIntegerRes(Context context, String resName) {
         Resources res = context.getResources();
         int resId = res.getIdentifier(resName, "integer", "android");
@@ -1058,6 +1082,10 @@
                 getInt(TestProtocol.TEST_INFO_RESPONSE_FIELD);
     }
 
+    public int getPid() {
+        return getTestInfo(TestProtocol.REQUEST_PID).getInt(TestProtocol.TEST_INFO_RESPONSE_FIELD);
+    }
+
     public void produceJavaLeak() {
         getTestInfo(TestProtocol.REQUEST_JAVA_LEAK);
     }
diff --git a/tests/tapl/com/android/launcher3/tapl/OptionsPopupMenu.java b/tests/tapl/com/android/launcher3/tapl/OptionsPopupMenu.java
new file mode 100644
index 0000000..282fca9
--- /dev/null
+++ b/tests/tapl/com/android/launcher3/tapl/OptionsPopupMenu.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2020 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.launcher3.tapl;
+
+import androidx.annotation.NonNull;
+import androidx.test.uiautomator.By;
+import androidx.test.uiautomator.UiObject2;
+
+public class OptionsPopupMenu {
+
+    private final LauncherInstrumentation mLauncher;
+    private final UiObject2 mDeepShortcutsContainer;
+
+    OptionsPopupMenu(LauncherInstrumentation launcher) {
+        mLauncher = launcher;
+        mDeepShortcutsContainer = launcher.waitForLauncherObject("deep_shortcuts_container");
+    }
+
+    /**
+     * Returns a menu item with a given label. Fails if it doesn't exist.
+     */
+    @NonNull
+    public OptionsPopupMenuItem getMenuItem(@NonNull final String label) {
+        final UiObject2 menuItem = mLauncher.waitForObjectInContainer(mDeepShortcutsContainer,
+                By.text(label));
+        return new OptionsPopupMenuItem(mLauncher, menuItem);
+    }
+}
diff --git a/tests/tapl/com/android/launcher3/tapl/OptionsPopupMenuItem.java b/tests/tapl/com/android/launcher3/tapl/OptionsPopupMenuItem.java
new file mode 100644
index 0000000..8527d05
--- /dev/null
+++ b/tests/tapl/com/android/launcher3/tapl/OptionsPopupMenuItem.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2020 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.launcher3.tapl;
+
+import androidx.annotation.NonNull;
+import androidx.test.uiautomator.By;
+import androidx.test.uiautomator.UiObject2;
+import androidx.test.uiautomator.Until;
+
+public class OptionsPopupMenuItem {
+
+    private final LauncherInstrumentation mLauncher;
+    private final UiObject2 mObject;
+
+    OptionsPopupMenuItem(@NonNull LauncherInstrumentation launcher, @NonNull UiObject2 shortcut) {
+        mLauncher = launcher;
+        mObject = shortcut;
+    }
+
+    /**
+     * Clicks the option.
+     */
+    @NonNull
+    public void launch(@NonNull String expectedPackageName) {
+        LauncherInstrumentation.log("OptionsPopupMenuItem before click "
+                + mObject.getVisibleCenter() + " in " + mObject.getVisibleBounds());
+        mObject.click();
+        mLauncher.assertTrue(
+                "App didn't start: " + By.pkg(expectedPackageName),
+                mLauncher.getDevice().wait(Until.hasObject(By.pkg(expectedPackageName)),
+                        LauncherInstrumentation.WAIT_TIME_MS));
+    }
+}