1 /* 2 * Copyright (C) 2024 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.cts.overlay.target; 18 19 import static com.google.common.truth.Truth.assertThat; 20 import static com.google.common.truth.Truth.assertWithMessage; 21 22 import android.os.UserHandle; 23 24 import com.android.compatibility.common.util.PollingCheck; 25 import com.android.compatibility.common.util.SystemUtil; 26 27 import java.util.concurrent.TimeUnit; 28 29 public class Utils { 30 // Overlay states 31 private static final String STATE_DISABLED = "STATE_DISABLED"; 32 private static final String STATE_ENABLED = "STATE_ENABLED"; 33 private static final long TIMEOUT_MS = TimeUnit.SECONDS.toMillis(5); 34 35 /** 36 * A util function that is commonly used in app overlay scenarios to enable or disable a RRO. 37 */ setOverlayEnabled(String overlayPackage, boolean enabled)38 public static void setOverlayEnabled(String overlayPackage, boolean enabled) 39 throws Exception { 40 final String current = getStateForOverlay(overlayPackage); 41 final String expected = enabled ? STATE_ENABLED : STATE_DISABLED; 42 assertThat(current).isNotEqualTo(expected); 43 SystemUtil.runShellCommand("cmd overlay " 44 + (enabled ? "enable" : "disable") 45 + " --user current " 46 + overlayPackage); 47 PollingCheck.check("Fail to wait overlay enabled state " + expected 48 + " for " + overlayPackage, TIMEOUT_MS, 49 () -> expected.equals(getStateForOverlay(overlayPackage))); 50 } 51 getStateForOverlay(String overlayPackage)52 private static String getStateForOverlay(String overlayPackage) { 53 final String errorMsg = "Fail to parse the state of overlay package " + overlayPackage; 54 final String result = SystemUtil.runShellCommand("cmd overlay dump"); 55 final String overlayPackageForCurrentUser = overlayPackage + ":" + UserHandle.myUserId(); 56 final int startIndex = result.indexOf(overlayPackageForCurrentUser); 57 assertWithMessage(errorMsg).that(startIndex).isAtLeast(0); 58 59 final int endIndex = result.indexOf('}', startIndex); 60 assertWithMessage(errorMsg).that(endIndex).isGreaterThan(startIndex); 61 62 final int stateIndex = result.indexOf("mState", startIndex); 63 assertWithMessage(errorMsg).that(startIndex).isLessThan(stateIndex); 64 assertWithMessage(errorMsg).that(stateIndex).isLessThan(endIndex); 65 66 final int colonIndex = result.indexOf(':', stateIndex); 67 assertWithMessage(errorMsg).that(stateIndex).isLessThan(colonIndex); 68 assertWithMessage(errorMsg).that(colonIndex).isLessThan(endIndex); 69 70 final int endLineIndex = result.indexOf('\n', colonIndex); 71 assertWithMessage(errorMsg).that(colonIndex).isLessThan(endLineIndex); 72 assertWithMessage(errorMsg).that(endLineIndex).isLessThan(endIndex); 73 74 return result.substring(colonIndex + 2, endLineIndex); 75 } 76 } 77