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