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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.tv.data;
import static android.support.test.InstrumentationRegistry.getTargetContext;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import android.os.Looper;
import android.support.test.filters.MediumTest;
import com.android.tv.data.WatchedHistoryManager.WatchedRecord;
import org.junit.Before;
import org.junit.Test;
import java.util.concurrent.TimeUnit;
/**
* Test for {@link com.android.tv.data.WatchedHistoryManagerTest}
* <p>
* This is a medium test because it load files which accessing SharedPreferences.
*/
@MediumTest
public class WatchedHistoryManagerTest {
// Wait time for expected success.
private static final int MAX_HISTORY_SIZE = 100;
private WatchedHistoryManager mWatchedHistoryManager;
private TestWatchedHistoryManagerListener mListener;
@Before
public void setUp() {
if (Looper.myLooper() == null) {
Looper.prepare();
}
mWatchedHistoryManager = new WatchedHistoryManager(getTargetContext(), MAX_HISTORY_SIZE);
mListener = new TestWatchedHistoryManagerListener();
mWatchedHistoryManager.setListener(mListener);
}
private void startAndWaitForComplete() throws InterruptedException {
mWatchedHistoryManager.start();
assertTrue(mListener.mLoadFinished);
}
@Test
public void testIsLoaded() throws InterruptedException {
startAndWaitForComplete();
assertTrue(mWatchedHistoryManager.isLoaded());
}
@Test
public void testLogChannelViewStop() throws InterruptedException {
startAndWaitForComplete();
long fakeId = 100000000;
long time = System.currentTimeMillis();
long duration = TimeUnit.MINUTES.toMillis(10);
Channel channel = new Channel.Builder().setId(fakeId).build();
mWatchedHistoryManager.logChannelViewStop(channel, time, duration);
WatchedRecord record = mWatchedHistoryManager.getRecord(0);
WatchedRecord recordFromSharedPreferences =
mWatchedHistoryManager.getRecordFromSharedPreferences(0);
assertEquals(record.channelId, fakeId);
assertEquals(record.watchedStartTime, time - duration);
assertEquals(record.duration, duration);
assertEquals(record, recordFromSharedPreferences);
}
@Test
public void testCircularHistoryQueue() throws InterruptedException {
startAndWaitForComplete();
final long startChannelId = 100000000;
long time = System.currentTimeMillis();
long duration = TimeUnit.MINUTES.toMillis(10);
int size = MAX_HISTORY_SIZE * 2;
for (int i = 0; i < size; ++i) {
Channel channel = new Channel.Builder().setId(startChannelId + i).build();
mWatchedHistoryManager.logChannelViewStop(channel, time + duration * i, duration);
}
for (int i = 0; i < MAX_HISTORY_SIZE; ++i) {
WatchedRecord record = mWatchedHistoryManager.getRecord(i);
WatchedRecord recordFromSharedPreferences =
mWatchedHistoryManager.getRecordFromSharedPreferences(i);
assertEquals(record, recordFromSharedPreferences);
assertEquals(record.channelId, startChannelId + size - 1 - i);
}
// Since the WatchedHistory is a circular queue, the value for 0 and maxHistorySize
// are same.
assertEquals(mWatchedHistoryManager.getRecordFromSharedPreferences(0),
mWatchedHistoryManager.getRecordFromSharedPreferences(MAX_HISTORY_SIZE));
}
@Test
public void testWatchedRecordEquals() {
assertTrue(new WatchedRecord(1, 2, 3).equals(new WatchedRecord(1, 2, 3)));
assertFalse(new WatchedRecord(1, 2, 3).equals(new WatchedRecord(1, 2, 4)));
assertFalse(new WatchedRecord(1, 2, 3).equals(new WatchedRecord(1, 4, 3)));
assertFalse(new WatchedRecord(1, 2, 3).equals(new WatchedRecord(4, 2, 3)));
}
@Test
public void testEncodeDecodeWatchedRecord() {
long fakeId = 100000000;
long time = System.currentTimeMillis();
long duration = TimeUnit.MINUTES.toMillis(10);
WatchedRecord record = new WatchedRecord(fakeId, time, duration);
WatchedRecord sameRecord = mWatchedHistoryManager.decode(
mWatchedHistoryManager.encode(record));
assertEquals(record, sameRecord);
}
private class TestWatchedHistoryManagerListener implements WatchedHistoryManager.Listener {
boolean mLoadFinished;
@Override
public void onLoadFinished() {
mLoadFinished = true;
}
@Override
public void onNewRecordAdded(WatchedRecord watchedRecord) { }
}
}
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