1a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey/* 2a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey * Copyright (C) 2012 The Android Open Source Project 3a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey * 4a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey * Licensed under the Apache License, Version 2.0 (the "License"); 5a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey * you may not use this file except in compliance with the License. 6a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey * You may obtain a copy of the License at 7a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey * 8a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey * http://www.apache.org/licenses/LICENSE-2.0 9a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey * 10a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey * Unless required by applicable law or agreed to in writing, software 11a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey * distributed under the License is distributed on an "AS IS" BASIS, 12a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey * See the License for the specific language governing permissions and 14a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey * limitations under the License. 15a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey */ 16a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 17a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeypackage com.android.internal.util; 18a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 19a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeyimport static android.text.format.DateUtils.DAY_IN_MILLIS; 20a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeyimport static android.text.format.DateUtils.HOUR_IN_MILLIS; 21a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeyimport static android.text.format.DateUtils.MINUTE_IN_MILLIS; 22a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeyimport static android.text.format.DateUtils.SECOND_IN_MILLIS; 23a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeyimport static android.text.format.DateUtils.WEEK_IN_MILLIS; 24a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeyimport static android.text.format.DateUtils.YEAR_IN_MILLIS; 25a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 26a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeyimport android.test.AndroidTestCase; 27a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeyimport android.test.suitebuilder.annotation.Suppress; 28a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeyimport android.util.Log; 29a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 30a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeyimport com.android.internal.util.FileRotator.Reader; 31a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeyimport com.android.internal.util.FileRotator.Writer; 32a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeyimport com.google.android.collect.Lists; 33a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 34a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeyimport java.io.DataInputStream; 35a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeyimport java.io.DataOutputStream; 36a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeyimport java.io.File; 37a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeyimport java.io.FileOutputStream; 38a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeyimport java.io.IOException; 39a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeyimport java.io.InputStream; 40a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeyimport java.io.OutputStream; 41a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeyimport java.net.ProtocolException; 42a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeyimport java.util.ArrayList; 43a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeyimport java.util.Arrays; 44a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeyimport java.util.Random; 45a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 46a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeyimport libcore.io.IoUtils; 47a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 48a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey/** 49a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey * Tests for {@link FileRotator}. 50a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey */ 51a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkeypublic class FileRotatorTest extends AndroidTestCase { 52a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey private static final String TAG = "FileRotatorTest"; 53a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 54a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey private File mBasePath; 55a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 56a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey private static final String PREFIX = "rotator"; 57a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey private static final String ANOTHER_PREFIX = "another_rotator"; 58a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 59a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey private static final long TEST_TIME = 1300000000000L; 60a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 61a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // TODO: test throwing rolls back correctly 62a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 63a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey @Override 64a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey protected void setUp() throws Exception { 65a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey super.setUp(); 66a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 67a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey mBasePath = getContext().getFilesDir(); 68a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey IoUtils.deleteContents(mBasePath); 69a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 70a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 71a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey public void testEmpty() throws Exception { 72a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final FileRotator rotate1 = new FileRotator( 73a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey mBasePath, PREFIX, DAY_IN_MILLIS, WEEK_IN_MILLIS); 74a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final FileRotator rotate2 = new FileRotator( 75a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey mBasePath, ANOTHER_PREFIX, DAY_IN_MILLIS, WEEK_IN_MILLIS); 76a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 77a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final RecordingReader reader = new RecordingReader(); 78a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey long currentTime = TEST_TIME; 79a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 80a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // write single new value 81a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate1.combineActive(reader, writer("foo"), currentTime); 82a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.assertRead(); 83a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 84a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // assert that one rotator doesn't leak into another 85a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadAll(rotate1, "foo"); 86a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadAll(rotate2); 87a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 88a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 89a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey public void testCombine() throws Exception { 90a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final FileRotator rotate = new FileRotator( 91a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey mBasePath, PREFIX, DAY_IN_MILLIS, WEEK_IN_MILLIS); 92a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 93a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final RecordingReader reader = new RecordingReader(); 94a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey long currentTime = TEST_TIME; 95a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 96a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // first combine should have empty read, but still write data. 97a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.combineActive(reader, writer("foo"), currentTime); 98a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.assertRead(); 99a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadAll(rotate, "foo"); 100a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 101a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // second combine should replace contents; should read existing data, 102a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // and write final data to disk. 103a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey currentTime += SECOND_IN_MILLIS; 104a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.reset(); 105a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.combineActive(reader, writer("bar"), currentTime); 106a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.assertRead("foo"); 107a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadAll(rotate, "bar"); 108a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 109a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 110a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey public void testRotate() throws Exception { 111a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final FileRotator rotate = new FileRotator( 112a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey mBasePath, PREFIX, DAY_IN_MILLIS, WEEK_IN_MILLIS); 113a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 114a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final RecordingReader reader = new RecordingReader(); 115a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey long currentTime = TEST_TIME; 116a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 117a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // combine first record into file 118a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.combineActive(reader, writer("foo"), currentTime); 119a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.assertRead(); 120a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadAll(rotate, "foo"); 121a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 122a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // push time a few minutes forward; shouldn't rotate file 123a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.reset(); 124a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey currentTime += MINUTE_IN_MILLIS; 125a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.combineActive(reader, writer("bar"), currentTime); 126a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.assertRead("foo"); 127a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadAll(rotate, "bar"); 128a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 129a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // push time forward enough to rotate file; should still have same data 130a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey currentTime += DAY_IN_MILLIS + SECOND_IN_MILLIS; 131a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.maybeRotate(currentTime); 132a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadAll(rotate, "bar"); 133a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 134a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // combine a second time, should leave rotated value untouched, and 135a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // active file should be empty. 136a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.reset(); 137a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.combineActive(reader, writer("baz"), currentTime); 138a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.assertRead(); 139a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadAll(rotate, "bar", "baz"); 140a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 141a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 142a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey public void testDelete() throws Exception { 143a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final FileRotator rotate = new FileRotator( 144a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey mBasePath, PREFIX, MINUTE_IN_MILLIS, DAY_IN_MILLIS); 145a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 146a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final RecordingReader reader = new RecordingReader(); 147a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey long currentTime = TEST_TIME; 148a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 149a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // create first record and trigger rotating it 150a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.combineActive(reader, writer("foo"), currentTime); 151a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.assertRead(); 152a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey currentTime += MINUTE_IN_MILLIS + SECOND_IN_MILLIS; 153a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.maybeRotate(currentTime); 154a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 155a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // create second record 156a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.reset(); 157a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.combineActive(reader, writer("bar"), currentTime); 158a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.assertRead(); 159a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadAll(rotate, "foo", "bar"); 160a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 161a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // push time far enough to expire first record 162a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey currentTime = TEST_TIME + DAY_IN_MILLIS + (2 * MINUTE_IN_MILLIS); 163a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.maybeRotate(currentTime); 164a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadAll(rotate, "bar"); 165a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 166a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // push further to delete second record 167a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey currentTime += WEEK_IN_MILLIS; 168a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.maybeRotate(currentTime); 169a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadAll(rotate); 170a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 171a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 172a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey public void testThrowRestoresBackup() throws Exception { 173a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final FileRotator rotate = new FileRotator( 174a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey mBasePath, PREFIX, MINUTE_IN_MILLIS, DAY_IN_MILLIS); 175a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 176a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final RecordingReader reader = new RecordingReader(); 177a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey long currentTime = TEST_TIME; 178a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 179a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // first, write some valid data 180a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.combineActive(reader, writer("foo"), currentTime); 181a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.assertRead(); 182a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadAll(rotate, "foo"); 183a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 184a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey try { 185a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // now, try writing which will throw 186a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.reset(); 187a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.combineActive(reader, new Writer() { 188a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey public void write(OutputStream out) throws IOException { 189a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey new DataOutputStream(out).writeUTF("bar"); 1906de357e4d10fa5977ab9a6c665dc858765e95d34Jeff Sharkey throw new NullPointerException("yikes"); 191a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 192a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey }, currentTime); 193a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 194a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey fail("woah, somehow able to write exception"); 1956de357e4d10fa5977ab9a6c665dc858765e95d34Jeff Sharkey } catch (IOException e) { 196a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // expected from above 197a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 198a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 199a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // assert that we read original data, and that it's still intact after 200a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // the failed write above. 201a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.assertRead("foo"); 202a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadAll(rotate, "foo"); 203a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 204a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 205a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey public void testOtherFilesAndMalformed() throws Exception { 206a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final FileRotator rotate = new FileRotator( 207a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey mBasePath, PREFIX, SECOND_IN_MILLIS, SECOND_IN_MILLIS); 208a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 209a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // should ignore another prefix 210a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey touch("another_rotator.1024"); 211a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey touch("another_rotator.1024-2048"); 212a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadAll(rotate); 213a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 214a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // verify that broken filenames don't crash 215a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey touch("rotator"); 216a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey touch("rotator..."); 217a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey touch("rotator.-"); 218a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey touch("rotator.---"); 219a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey touch("rotator.a-b"); 220a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey touch("rotator_but_not_actually"); 221a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadAll(rotate); 222a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 223a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // and make sure that we can read something from a legit file 224a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey write("rotator.100-200", "meow"); 225a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadAll(rotate, "meow"); 226a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 227a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 228a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey private static final String RED = "red"; 229a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey private static final String GREEN = "green"; 230a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey private static final String BLUE = "blue"; 231a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey private static final String YELLOW = "yellow"; 232a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 233a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey public void testQueryMatch() throws Exception { 234a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final FileRotator rotate = new FileRotator( 235a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey mBasePath, PREFIX, HOUR_IN_MILLIS, YEAR_IN_MILLIS); 236a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 237a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final RecordingReader reader = new RecordingReader(); 238a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey long currentTime = TEST_TIME; 239a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 240a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // rotate a bunch of historical data 241a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.maybeRotate(currentTime); 242a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.combineActive(reader, writer(RED), currentTime); 243a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 244a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey currentTime += DAY_IN_MILLIS; 245a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.maybeRotate(currentTime); 246a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.combineActive(reader, writer(GREEN), currentTime); 247a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 248a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey currentTime += DAY_IN_MILLIS; 249a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.maybeRotate(currentTime); 250a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.combineActive(reader, writer(BLUE), currentTime); 251a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 252a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey currentTime += DAY_IN_MILLIS; 253a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.maybeRotate(currentTime); 254a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.combineActive(reader, writer(YELLOW), currentTime); 255a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 256a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final String[] FULL_SET = { RED, GREEN, BLUE, YELLOW }; 257a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 258a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadAll(rotate, FULL_SET); 259a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadMatching(rotate, Long.MIN_VALUE, Long.MAX_VALUE, FULL_SET); 260a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadMatching(rotate, Long.MIN_VALUE, currentTime, FULL_SET); 261a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadMatching(rotate, TEST_TIME + SECOND_IN_MILLIS, currentTime, FULL_SET); 262a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 263a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // should omit last value, since it only touches at currentTime 264a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadMatching(rotate, TEST_TIME + SECOND_IN_MILLIS, currentTime - SECOND_IN_MILLIS, 265a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey RED, GREEN, BLUE); 266a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 267a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // check boundary condition 268a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadMatching(rotate, TEST_TIME + DAY_IN_MILLIS, Long.MAX_VALUE, FULL_SET); 269a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadMatching(rotate, TEST_TIME + DAY_IN_MILLIS + SECOND_IN_MILLIS, Long.MAX_VALUE, 270a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey GREEN, BLUE, YELLOW); 271a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 272a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // test range smaller than file 273a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final long blueStart = TEST_TIME + (DAY_IN_MILLIS * 2); 274a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final long blueEnd = TEST_TIME + (DAY_IN_MILLIS * 3); 275a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadMatching(rotate, blueStart + SECOND_IN_MILLIS, blueEnd - SECOND_IN_MILLIS, BLUE); 276a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 277a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // outside range should return nothing 278a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadMatching(rotate, Long.MIN_VALUE, TEST_TIME - DAY_IN_MILLIS); 279a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 280a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 281a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey public void testClockRollingBackwards() throws Exception { 282a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final FileRotator rotate = new FileRotator( 283a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey mBasePath, PREFIX, DAY_IN_MILLIS, YEAR_IN_MILLIS); 284a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 285a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final RecordingReader reader = new RecordingReader(); 286a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey long currentTime = TEST_TIME; 287a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 288a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // create record at current time 289a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // --> foo 290a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.combineActive(reader, writer("foo"), currentTime); 291a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.assertRead(); 292a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadAll(rotate, "foo"); 293a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 294a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // record a day in past; should create a new active file 295a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // --> bar 296a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey currentTime -= DAY_IN_MILLIS; 297a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.reset(); 298a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.combineActive(reader, writer("bar"), currentTime); 299a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.assertRead(); 300a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadAll(rotate, "bar", "foo"); 301a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 302a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // verify that we rewrite current active file 303a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // bar --> baz 304a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey currentTime += SECOND_IN_MILLIS; 305a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.reset(); 306a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.combineActive(reader, writer("baz"), currentTime); 307a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.assertRead("bar"); 308a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadAll(rotate, "baz", "foo"); 309a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 310a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // return to present and verify we write oldest active file 311a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // baz --> meow 312a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey currentTime = TEST_TIME + SECOND_IN_MILLIS; 313a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.reset(); 314a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.combineActive(reader, writer("meow"), currentTime); 315a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.assertRead("baz"); 316a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadAll(rotate, "meow", "foo"); 317a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 318a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // current time should trigger rotate of older active file 319a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.maybeRotate(currentTime); 320a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 321a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // write active file, verify this time we touch original 322a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // foo --> yay 323a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.reset(); 324a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.combineActive(reader, writer("yay"), currentTime); 325a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.assertRead("foo"); 326a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadAll(rotate, "meow", "yay"); 327a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 328a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 329a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey @Suppress 330a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey public void testFuzz() throws Exception { 331a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final FileRotator rotate = new FileRotator( 332a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey mBasePath, PREFIX, HOUR_IN_MILLIS, DAY_IN_MILLIS); 333a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 334a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final RecordingReader reader = new RecordingReader(); 335a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey long currentTime = TEST_TIME; 336a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 337a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // walk forward through time, ensuring that files are cleaned properly 338a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final Random random = new Random(); 339a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey for (int i = 0; i < 1024; i++) { 340a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey currentTime += Math.abs(random.nextLong()) % DAY_IN_MILLIS; 341a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 342a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.reset(); 343a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.combineActive(reader, writer("meow"), currentTime); 344a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 345a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey if (random.nextBoolean()) { 346a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.maybeRotate(currentTime); 347a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 348a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 349a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 350a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.maybeRotate(currentTime); 351a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 352a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey Log.d(TAG, "currentTime=" + currentTime); 353a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey Log.d(TAG, Arrays.toString(mBasePath.list())); 354a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 355a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 356a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey public void testRecoverAtomic() throws Exception { 357a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey write("rotator.1024-2048", "foo"); 358a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey write("rotator.1024-2048.backup", "bar"); 359a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey write("rotator.2048-4096", "baz"); 360a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey write("rotator.2048-4096.no_backup", ""); 361a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 362a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final FileRotator rotate = new FileRotator( 363a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey mBasePath, PREFIX, SECOND_IN_MILLIS, SECOND_IN_MILLIS); 364a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 365a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // verify backup value was recovered; no_backup indicates that 366a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey // corresponding file had no backup and should be discarded. 367a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadAll(rotate, "bar"); 368a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 369a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 370a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey private void touch(String... names) throws IOException { 371a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey for (String name : names) { 372a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final OutputStream out = new FileOutputStream(new File(mBasePath, name)); 373a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey out.close(); 374a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 375a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 376a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 377a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey private void write(String name, String value) throws IOException { 378a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final DataOutputStream out = new DataOutputStream( 379a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey new FileOutputStream(new File(mBasePath, name))); 380a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey out.writeUTF(value); 381a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey out.close(); 382a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 383a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 384a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey private static Writer writer(final String value) { 385a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey return new Writer() { 386a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey public void write(OutputStream out) throws IOException { 387a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey new DataOutputStream(out).writeUTF(value); 388a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 389a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey }; 390a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 391a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 392a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey private static void assertReadAll(FileRotator rotate, String... expected) throws IOException { 393a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertReadMatching(rotate, Long.MIN_VALUE, Long.MAX_VALUE, expected); 394a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 395a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 396a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey private static void assertReadMatching( 397a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey FileRotator rotate, long matchStartMillis, long matchEndMillis, String... expected) 398a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey throws IOException { 399a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final RecordingReader reader = new RecordingReader(); 400a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey rotate.readMatching(reader, matchStartMillis, matchEndMillis); 401a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey reader.assertRead(expected); 402a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 403a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 404a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey private static class RecordingReader implements Reader { 405a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey private ArrayList<String> mActual = Lists.newArrayList(); 406a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 407a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey public void read(InputStream in) throws IOException { 408a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey mActual.add(new DataInputStream(in).readUTF()); 409a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 410a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 411a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey public void reset() { 412a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey mActual.clear(); 413a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 414a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 415a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey public void assertRead(String... expected) { 416a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey assertEquals(expected.length, mActual.size()); 417a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey 418a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final ArrayList<String> actualCopy = new ArrayList<String>(mActual); 419a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey for (String value : expected) { 420a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey if (!actualCopy.remove(value)) { 421a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final String expectedString = Arrays.toString(expected); 422a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey final String actualString = Arrays.toString(mActual.toArray()); 423a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey fail("expected: " + expectedString + " but was: " + actualString); 424a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 425a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 426a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 427a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey } 428a27a3e8ad7d20dea63ef2d5cb8b6ec7e56c20a89Jeff Sharkey} 429