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96 changes: 96 additions & 0 deletions
96
...ore/src/test/java/org/apache/activemq/store/kahadb/disk/journal/DataFileAccessorTest.java
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| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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 org.apache.activemq.store.kahadb.disk.journal; | ||
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| import static org.junit.Assert.assertEquals; | ||
| import static org.mockito.Mockito.mock; | ||
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| import java.io.File; | ||
| import java.io.IOException; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.Path; | ||
| import java.util.Arrays; | ||
| import org.junit.Rule; | ||
| import org.junit.Test; | ||
| import org.junit.rules.TemporaryFolder; | ||
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| public class DataFileAccessorTest { | ||
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| @Rule | ||
| public TemporaryFolder dataDir = new TemporaryFolder(); | ||
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| @Test | ||
| public void testValidLocation() throws IOException { | ||
| //Create file of size 1024 | ||
| final DataFileAccessor accessor = new DataFileAccessor(mock(Journal.class), | ||
| newTestDataFile(1024)); | ||
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| //The read check will add the offset and location size and will be 612 | ||
| //so should be fine as it's less than the set file size of 1024 | ||
| final Location location = new Location(0, 100); | ||
| location.setSize(512); | ||
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| accessor.validateFileLength(location); | ||
| } | ||
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| @Test(expected = IOException.class) | ||
| public void testInvalidLocationSize() throws IOException { | ||
| //Create file of size 1024 | ||
| final DataFileAccessor accessor = new DataFileAccessor(mock(Journal.class), | ||
| newTestDataFile(1024)); | ||
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| //Set a size that is too large so this should fail | ||
| final Location location = new Location(0, 100); | ||
| location.setSize(2048); | ||
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| accessor.validateFileLength(location); | ||
| } | ||
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| @Test | ||
| public void testValidateUsingRealFileLength() throws IOException { | ||
| //Create file of size 1024 | ||
| final DataFile dataFile = newTestDataFile(1024); | ||
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| final DataFileAccessor accessor = new DataFileAccessor(mock(Journal.class), dataFile); | ||
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| //Set a bad length value on the dataFile so that the initial check fails | ||
| //because the location is greater than dataFile.length | ||
| //We should read the real file size (1024) which is greater than the | ||
| //location size + offset so this should work | ||
| dataFile.setLength(512); | ||
| final Location location = new Location(0, 100); | ||
| location.setSize(512); | ||
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| accessor.validateFileLength(location); | ||
| } | ||
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| private DataFile newTestDataFile(int size) throws IOException { | ||
| final DataFile dataFile = new DataFile(writeTestFile(1024), 0); | ||
| assertEquals(1024, dataFile.length); | ||
| return dataFile; | ||
| } | ||
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| private File writeTestFile(int size) throws IOException { | ||
| final File file = dataDir.newFile(); | ||
| final byte[] data = new byte[size]; | ||
| Arrays.fill(data, (byte)0); | ||
| Files.write(Path.of(file.toURI()), data); | ||
| assertEquals(1024, file.length()); | ||
| return file; | ||
| } | ||
| } |
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