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 17package com.android.tv.testing; 18 19import android.content.ComponentName; 20import android.content.ContentResolver; 21import android.content.Context; 22import android.content.pm.PackageManager; 23import android.content.pm.ServiceInfo; 24import android.content.res.Resources; 25import android.media.tv.TvInputInfo; 26import android.media.tv.TvInputManager; 27import android.net.Uri; 28import android.util.Log; 29 30import com.android.tv.common.TvCommonUtils; 31 32import java.io.IOException; 33import java.io.InputStream; 34import java.io.OutputStream; 35import java.text.SimpleDateFormat; 36import java.util.Date; 37import java.util.Locale; 38import java.util.Random; 39 40/** 41 * An utility class for testing. 42 * 43 * <p>This class is also used to check whether TV app is running in tests or not. 44 * 45 * @see TvCommonUtils#isRunningInTest 46 */ 47public final class Utils { 48 private static final String TAG ="Utils"; 49 50 private static final long DEFAULT_RANDOM_SEED = getSeed(); 51 52 public static String getUriStringForResource(Context context, int resId) { 53 if (resId == 0) { 54 return ""; 55 } 56 Resources res = context.getResources(); 57 return new Uri.Builder() 58 .scheme(ContentResolver.SCHEME_ANDROID_RESOURCE) 59 .authority(res.getResourcePackageName(resId)) 60 .path(res.getResourceTypeName(resId)) 61 .appendPath(res.getResourceEntryName(resId)).build().toString(); 62 } 63 64 public static void copy(InputStream is, OutputStream os) throws IOException { 65 byte[] buffer = new byte[1024]; 66 int len; 67 while ((len = is.read(buffer)) != -1) { 68 os.write(buffer, 0, len); 69 } 70 } 71 72 public static String getServiceNameFromInputId(Context context, String inputId) { 73 TvInputManager tim = (TvInputManager) context.getSystemService(Context.TV_INPUT_SERVICE); 74 for (TvInputInfo info : tim.getTvInputList()) { 75 if (info.getId().equals(inputId)) { 76 return info.getServiceInfo().name; 77 } 78 } 79 return null; 80 } 81 82 public static String getInputIdFromComponentName(Context context, ComponentName name) { 83 TvInputManager tim = (TvInputManager) context.getSystemService(Context.TV_INPUT_SERVICE); 84 for (TvInputInfo info : tim.getTvInputList()) { 85 ServiceInfo si = info.getServiceInfo(); 86 if (new ComponentName(si.packageName, si.name).equals(name)) { 87 return info.getId(); 88 } 89 } 90 return null; 91 } 92 93 /** 94 * Return the Random class which is needed to make random data for testing. 95 * Default seed of the random is today's date. 96 */ 97 public static Random createTestRandom() { 98 return new Random(DEFAULT_RANDOM_SEED); 99 } 100 101 private static long getSeed() { 102 // Set random seed as the date to track failed test data easily. 103 SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd", Locale.getDefault()); 104 String today = dateFormat.format(new Date()); 105 Log.d(TAG, "Today's random seed is " + today); 106 return Long.valueOf(today); 107 } 108 109 private Utils() {} 110 111 /** 112 * Checks whether TvActivity is enabled or not. 113 */ 114 public static boolean isTvActivityEnabled(Context context) { 115 PackageManager pm = context.getPackageManager(); 116 ComponentName name = new ComponentName("com.android.tv", 117 "com.android.tv.TvActivity"); 118 int enabled = pm.getComponentEnabledSetting(name); 119 return enabled == PackageManager.COMPONENT_ENABLED_STATE_ENABLED 120 || enabled == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 121 } 122} 123