1 /* 2 * Copyright (C) 2019 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 android.hdmicec.cts; 18 19 import static com.google.common.truth.Truth.assertThat; 20 import static com.google.common.truth.Truth.assertWithMessage; 21 22 import static org.junit.Assume.assumeTrue; 23 24 import com.android.tradefed.device.ITestDevice; 25 26 import com.google.common.collect.Lists; 27 28 import java.util.ArrayList; 29 import java.util.Arrays; 30 import java.util.List; 31 import java.util.Scanner; 32 import java.util.concurrent.TimeUnit; 33 34 /** Helper class to get for device logcat. */ 35 public final class LogHelper { 36 37 private static final int WAIT_TIME = 10; 38 39 /** 40 * The tag of the SadConfigurationReaderTest launched by the APK. 41 */ 42 private static final String SAD_READER = "SadConfigurationReaderTest"; 43 44 private static final String SAD_CONFIGURATION_MARKER = "Supported Audio Formats"; 45 getLog(ITestDevice device, String tag)46 private static String getLog(ITestDevice device, String tag) throws Exception { 47 TimeUnit.SECONDS.sleep(WAIT_TIME); 48 String logs = device.executeAdbCommand("logcat", "-v", "brief", "-d", tag + ":I", tag + ":V", "*:S"); 49 // Search for string. 50 StringBuilder testString = new StringBuilder(); 51 Scanner in = new Scanner(logs); 52 while (in.hasNextLine()) { 53 String line = in.nextLine(); 54 if (line.startsWith("I/" + tag) 55 || line.startsWith("V/" + tag)) { 56 testString.append(line.split(":")[1].trim()); 57 } 58 } 59 device.executeAdbCommand("logcat", "-c"); 60 return testString.toString(); 61 } 62 waitForLog( ITestDevice device, String tag, int waitSeconds, String expectedOutput)63 public static void waitForLog( 64 ITestDevice device, String tag, int waitSeconds, String expectedOutput) 65 throws Exception { 66 long timeoutMillis = waitSeconds * 1000; 67 long startTime = System.currentTimeMillis(); 68 long endTime = startTime; 69 70 while ((endTime - startTime <= timeoutMillis)) { 71 String testString = getLog(device, tag); 72 if (testString.contains(expectedOutput)) { 73 return; 74 } 75 endTime = System.currentTimeMillis(); 76 } 77 78 throw new Exception("Timed out, could not find the log message."); 79 } 80 assertLog(ITestDevice device, String tag, String ...expectedOutput)81 public static void assertLog(ITestDevice device, String tag, String ...expectedOutput) 82 throws Exception { 83 String testString = getLog(device, tag); 84 List<String> expectedOutputs = new ArrayList<>(Arrays.asList(expectedOutput)); 85 assertThat(testString).isIn(expectedOutputs); 86 } 87 88 /** Skip the test if the expectedOutput was not found in the device logs. */ assumeLog(ITestDevice device, String tag, String expectedOutput)89 public static void assumeLog(ITestDevice device, String tag, String expectedOutput) 90 throws Exception { 91 String testString = getLog(device, tag); 92 assumeTrue( 93 "Skip the test since " 94 + expectedOutput 95 + " message is not found in the device logs.", 96 testString.contains(expectedOutput)); 97 } 98 99 /** This method will return the DUT volume. */ parseDutVolume(ITestDevice device, String tag)100 public static int parseDutVolume(ITestDevice device, String tag) throws Exception { 101 String testString = getLog(device, tag); 102 assertWithMessage("No log from Audio Manager which reports the DUT volume percentage") 103 .that(testString) 104 .isNotEqualTo(""); 105 try { 106 String volume = testString.split("at")[1].trim().replaceAll("%", ""); 107 return Integer.parseInt(volume); 108 } catch (NumberFormatException e) { 109 throw new NumberFormatException( 110 "Volume obtained from Audio Manager can" + "not be parsed"); 111 } 112 } 113 assertLogDoesNotContain(ITestDevice device, String tag, String expectedOutput)114 public static void assertLogDoesNotContain(ITestDevice device, String tag, 115 String expectedOutput) throws Exception { 116 String testString = getLog(device, tag); 117 assertThat(testString).doesNotContain(expectedOutput); 118 } 119 getSupportedAudioFormats(ITestDevice device)120 public static List<Integer> getSupportedAudioFormats(ITestDevice device) throws Exception { 121 TimeUnit.SECONDS.sleep(WAIT_TIME); 122 String logs = 123 device.executeAdbCommand("logcat", "-v", "brief", "-d", SAD_READER + ":I", "*:S"); 124 // Search for string. 125 String testString = ""; 126 Scanner in = new Scanner(logs); 127 List<Integer> mSupportedAudioFormats = null; 128 while (in.hasNextLine()) { 129 String line = in.nextLine(); 130 if (line.startsWith("I/" + SAD_READER)) { 131 testString = line.split(":")[1].trim(); 132 if (testString.equals(SAD_CONFIGURATION_MARKER)) { 133 List<String> mFormatsLine = 134 Arrays.asList(in.nextLine().split(":")[1].trim().split(", ")); 135 List<String> mCodecSADsLine = 136 Arrays.asList(in.nextLine().split(":")[1].trim().split(", ")); 137 mSupportedAudioFormats = 138 Lists.transform(mFormatsLine, fl -> Integer.parseInt(fl)); 139 } 140 } 141 } 142 device.executeAdbCommand("logcat", "-c"); 143 assumeTrue(testString.equals(SAD_CONFIGURATION_MARKER)); 144 return mSupportedAudioFormats; 145 } 146 } 147