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.recommendation; 18 19 import android.test.AndroidTestCase; 20 import android.test.suitebuilder.annotation.SmallTest; 21 22 import com.android.tv.testing.Utils; 23 24 import java.util.Random; 25 import java.util.concurrent.TimeUnit; 26 27 /** 28 * Unit tests for {@link ChannelRecord}. 29 */ 30 @SmallTest 31 public class ChannelRecordTest extends AndroidTestCase { 32 private static final int CHANNEL_RECORD_MAX_HISTORY_SIZE = ChannelRecord.MAX_HISTORY_SIZE; 33 34 private Random mRandom; 35 private ChannelRecord mChannelRecord; 36 private long mLatestWatchEndTimeMs; 37 38 @Override 39 public void setUp() throws Exception { 40 super.setUp(); 41 mLatestWatchEndTimeMs = System.currentTimeMillis() - TimeUnit.DAYS.toMillis(1); 42 mChannelRecord = new ChannelRecord(getContext(), null, false); 43 mRandom = Utils.createTestRandom(); 44 } 45 46 public void testGetLastWatchEndTime_noHistory() { 47 assertEquals(0, mChannelRecord.getLastWatchEndTimeMs()); 48 } 49 50 public void testGetLastWatchEndTime_oneHistory() { 51 addWatchLog(); 52 53 assertEquals(mLatestWatchEndTimeMs, mChannelRecord.getLastWatchEndTimeMs()); 54 } 55 56 public void testGetLastWatchEndTime_maxHistories() { 57 for (int i = 0; i < CHANNEL_RECORD_MAX_HISTORY_SIZE; ++i) { 58 addWatchLog(); 59 } 60 61 assertEquals(mLatestWatchEndTimeMs, mChannelRecord.getLastWatchEndTimeMs()); 62 } 63 64 public void testGetLastWatchEndTime_moreThanMaxHistories() { 65 for (int i = 0; i < CHANNEL_RECORD_MAX_HISTORY_SIZE + 1; ++i) { 66 addWatchLog(); 67 } 68 69 assertEquals(mLatestWatchEndTimeMs, mChannelRecord.getLastWatchEndTimeMs()); 70 } 71 72 public void testGetTotalWatchDuration_noHistory() { 73 assertEquals(0, mChannelRecord.getTotalWatchDurationMs()); 74 } 75 76 public void testGetTotalWatchDuration_oneHistory() { 77 long durationMs = addWatchLog(); 78 79 assertEquals(durationMs, mChannelRecord.getTotalWatchDurationMs()); 80 } 81 82 public void testGetTotalWatchDuration_maxHistories() { 83 long totalWatchTimeMs = 0; 84 for (int i = 0; i < CHANNEL_RECORD_MAX_HISTORY_SIZE; ++i) { 85 long durationMs = addWatchLog(); 86 totalWatchTimeMs += durationMs; 87 } 88 89 assertEquals(totalWatchTimeMs, mChannelRecord.getTotalWatchDurationMs()); 90 } 91 92 public void testGetTotalWatchDuration_moreThanMaxHistories() { 93 long totalWatchTimeMs = 0; 94 long firstDurationMs = 0; 95 for (int i = 0; i < CHANNEL_RECORD_MAX_HISTORY_SIZE + 1; ++i) { 96 long durationMs = addWatchLog(); 97 totalWatchTimeMs += durationMs; 98 if (i == 0) { 99 firstDurationMs = durationMs; 100 } 101 } 102 103 // Only latest CHANNEL_RECORD_MAX_HISTORY_SIZE logs are remained. 104 assertEquals(totalWatchTimeMs - firstDurationMs, mChannelRecord.getTotalWatchDurationMs()); 105 } 106 107 /** 108 * Add new log history to channelRecord which its duration is lower than 1 minute. 109 * 110 * @return New watch log's duration time in milliseconds. 111 */ 112 private long addWatchLog() { 113 // Time hopping with random seconds. 114 mLatestWatchEndTimeMs += TimeUnit.SECONDS.toMillis(mRandom.nextInt(60) + 1); 115 116 long durationMs = TimeUnit.SECONDS.toMillis(mRandom.nextInt(60) + 1); 117 mChannelRecord.logWatchHistory(new WatchedProgram(null, 118 mLatestWatchEndTimeMs, mLatestWatchEndTimeMs + durationMs)); 119 mLatestWatchEndTimeMs += durationMs; 120 121 return durationMs; 122 } 123 } 124
