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      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 
     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 
     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 
     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 
     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      */
     96     public static Random createTestRandom() {
     97         return new Random(DEFAULT_RANDOM_SEED);
     98     }
     99 
    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. */
    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 
    118     private Utils() {}
    119 }
    120