1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.androidtv.janktests; 18 19 import android.os.Bundle; 20 import android.platform.test.utils.DPadUtil; 21 import android.support.test.jank.GfxMonitor; 22 import android.support.test.jank.JankTest; 23 import android.support.test.jank.JankTestBase; 24 import android.support.test.uiautomator.By; 25 import android.support.test.uiautomator.BySelector; 26 import android.support.test.uiautomator.Direction; 27 import android.support.test.uiautomator.UiDevice; 28 import android.support.test.uiautomator.UiObject2; 29 import android.support.test.uiautomator.UiObjectNotFoundException; 30 import android.support.test.uiautomator.Until; 31 import android.util.Log; 32 33 import junit.framework.Assert; 34 35 import java.io.IOException; 36 37 /* 38 * This class contains the tests for Android TV jank. 39 */ 40 public class SystemUiJankTests extends JankTestBase { 41 42 private static final String TAG = SystemUiJankTests.class.getSimpleName(); 43 private static final int SHORT_TIMEOUT = 1000; 44 private static final int INNER_LOOP = 4; 45 private static final int INNER_LOOP_SETTINGS = 8; 46 private static final String TVLAUNCHER_PACKAGE = "com.google.android.tvlauncher"; 47 private static final String SETTINGS_PACKAGE = "com.android.tv.settings"; 48 private static final BySelector SELECTOR_TOP_ROW = By.res(TVLAUNCHER_PACKAGE, "top_row"); 49 private UiDevice mDevice; 50 private DPadUtil mDPadUtil; 51 52 @Override 53 public void setUp() { 54 mDevice = UiDevice.getInstance(getInstrumentation()); 55 mDPadUtil = new DPadUtil(getInstrumentation()); 56 } 57 58 @Override 59 protected void tearDown() throws Exception { 60 super.tearDown(); 61 } 62 63 public void goHome() { 64 mDevice.pressHome(); 65 UiObject2 homeScreen = mDevice 66 .wait(Until.findObject(By.res(TVLAUNCHER_PACKAGE, "home_view_container")), 67 SHORT_TIMEOUT); 68 Assert.assertNotNull("Ensure that Home screen is being displayed", homeScreen); 69 } 70 71 public void goTopRow() { 72 Assert.assertNotNull(select(SELECTOR_TOP_ROW.hasDescendant(By.focused(true)), Direction.UP, 73 SHORT_TIMEOUT)); 74 } 75 76 public void afterTestHomeScreenNavigation(Bundle metrics) throws IOException { 77 super.afterTest(metrics); 78 } 79 80 // Measures jank while navigating up and down the Home screen 81 @JankTest(expectedFrames=100, beforeTest = "goHome", 82 afterTest="afterTestHomeScreenNavigation") 83 @GfxMonitor(processName=TVLAUNCHER_PACKAGE) 84 public void testHomeScreenNavigation() throws UiObjectNotFoundException { 85 // We've already verified that Home screen is being displayed. 86 // Navigate up and down the home screen. 87 navigateDownAndUpCurrentScreen(INNER_LOOP); 88 } 89 90 // Navigates to the Settings button on the Top row 91 public void goToSettingsButton() { 92 // Navigate to Home screen and verify that it is being displayed. 93 goHome(); 94 goTopRow(); 95 Assert.assertNotNull("Ensure that Settings button is focused", 96 selectBidirect(By.res(TVLAUNCHER_PACKAGE, "settings").focused(true), Direction.RIGHT)); 97 } 98 99 public void afterTestSettings(Bundle metrics) throws IOException { 100 // Navigate back home 101 goHome(); 102 super.afterTest(metrics); 103 } 104 105 // Measures jank while navigating to Settings from Home and back 106 @JankTest(expectedFrames=100, beforeTest="goToSettingsButton", 107 afterTest="afterTestSettings") 108 @GfxMonitor(processName=SETTINGS_PACKAGE) 109 public void testNavigateToSettings() throws UiObjectNotFoundException { 110 for (int i = 0; i < INNER_LOOP * 10; i++) { 111 // Press DPad center button to navigate to settings. 112 mDPadUtil.pressDPadCenter(); 113 mDevice.wait(Until.hasObject( 114 By.res(SETTINGS_PACKAGE, "settings_preference_fragment_container")), 115 SHORT_TIMEOUT); 116 // Press Back button to go back to the Home screen with focus on Settings 117 mDPadUtil.pressBack(); 118 } 119 } 120 121 // Navigates to the Settings Screen 122 public void goToSettings() { 123 goToSettingsButton(); 124 mDPadUtil.pressDPadCenter(); 125 Assert.assertNotNull("Ensure that Settings is being displayed", 126 mDevice.wait( 127 Until.hasObject(By.res(SETTINGS_PACKAGE, "settings_preference_fragment_container")), 128 SHORT_TIMEOUT)); 129 } 130 131 // Measures jank while scrolling on the Settings screen 132 @JankTest(expectedFrames=100, beforeTest="goToSettings", 133 afterTest="afterTestSettings") 134 @GfxMonitor(processName=SETTINGS_PACKAGE) 135 public void testSettingsScreenNavigation() throws UiObjectNotFoundException { 136 navigateDownAndUpCurrentScreen(INNER_LOOP_SETTINGS); 137 } 138 139 public void navigateDownAndUpCurrentScreen(int iterations) { 140 for (int i = 0; i < iterations; i++) { 141 // Press DPad button down eight times in succession 142 mDPadUtil.pressDPadDown(); 143 } 144 for (int i = 0; i < iterations; i++) { 145 // Press DPad button up eight times in succession. 146 mDPadUtil.pressDPadUp(); 147 } 148 } 149 150 /** 151 * Select an UI element with given {@link BySelector}. This action keeps moving a focus 152 * in a given {@link Direction} until it finds a matched element. 153 * @param selector the search criteria to match an element 154 * @param direction the direction to find 155 * @param timeoutMs timeout in milliseconds to select 156 * @return a UiObject2 which represents the matched element 157 */ 158 public UiObject2 select(BySelector selector, Direction direction, long timeoutMs) { 159 UiObject2 focus = mDevice.wait(Until.findObject(By.focused(true)), SHORT_TIMEOUT); 160 while (!mDevice.wait(Until.hasObject(selector), timeoutMs)) { 161 Log.d(TAG, String.format("select: moving a focus from %s to %s", focus, direction)); 162 UiObject2 focused = focus; 163 mDPadUtil.pressDPad(direction); 164 focus = mDevice.wait(Until.findObject(By.focused(true)), SHORT_TIMEOUT); 165 // Hack: A focus might be lost in some UI. Take one more step forward. 166 if (focus == null) { 167 mDPadUtil.pressDPad(direction); 168 focus = mDevice.wait(Until.findObject(By.focused(true)), SHORT_TIMEOUT); 169 } 170 // Check if it reaches to an end where it no longer moves a focus to next element 171 if (focused.equals(focus)) { 172 Log.d(TAG, "select: not found until it reaches to an end."); 173 return null; 174 } 175 } 176 Log.i(TAG, String.format("select: %s is selected", focus)); 177 return focus; 178 } 179 180 /** 181 * Select an element with a given {@link BySelector} in both given direction and reverse. 182 */ 183 public UiObject2 selectBidirect(BySelector selector, Direction direction) { 184 Log.d(TAG, String.format("selectBidirect [direction]%s", direction)); 185 UiObject2 object = select(selector, direction, SHORT_TIMEOUT); 186 if (object == null) { 187 object = select(selector, Direction.reverse(direction), SHORT_TIMEOUT); 188 } 189 return object; 190 } 191 } 192
