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/*******************************************************************************
* Copyright (c) 2012 VMware, Inc.
*
* All rights reserved.
* This program and the accompanying materials are made available
* under the terms of the Eclipse Public License v1.0
* which accompanies this distribution and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Lyor Goldstein
*******************************************************************************/
package org.aspectj.weaver.tools.cache;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Map;
import java.util.TreeMap;
import org.aspectj.weaver.tools.cache.AbstractIndexedFileCacheBacking.IndexEntry;
/**
* @author Lyor Goldstein
*/
public class FlatFileCacheBackingTest extends AsynchronousFileCacheBackingTestSupport {
public FlatFileCacheBackingTest() {
super();
}
@Override
protected FlatFileCacheBacking createFileBacking(File dir) {
return new FlatFileCacheBacking(dir);
}
public void testReadIndex () throws IOException {
IndexEntry[] entries={
createIgnoredEntry("ignored"),
createIndexEntry("weaved", false, false, bytes, bytes),
createIndexEntry("generated", true, false, bytes, bytes)
};
File indexFile=getIndexFile();
writeIndex(indexFile, entries);
Map<String, File> dataFiles=createDataFiles(entries);
File cacheDir=getCacheDir();
AsynchronousFileCacheBacking cache=createFileBacking(cacheDir);
Map<String, IndexEntry> indexMap=cache.getIndexMap();
assertEquals("Mismatched index size", entries.length, indexMap.size());
Map<String, byte[]> bytesMap=cache.getBytesMap();
assertEquals("Mismatched bytes size", dataFiles.size() /* the ignored one has no file */, bytesMap.size());
for (IndexEntry entry : entries) {
String key=entry.key;
assertNotNull("Missing entry for key=" + key, indexMap.get(key));
if (entry.ignored) {
assertNull("Unexpected bytes for ignored key=" + key, bytesMap.get(key));
} else {
assertArrayEquals("Mismatched contents for key=" + key, bytes, bytesMap.get(key));
}
}
}
public void testIgnoredBadCrcDataFiles () throws Exception {
IndexEntry[] entries={
createIndexEntry("weaved-goodData", false, false, bytes, bytes),
createIndexEntry("badData-weaved", false, false, bytes, bytes),
createIndexEntry("generated-goodData", true, false, bytes, bytes),
createIndexEntry("badData-generated", true, false, bytes, bytes)
};
File indexFile=getIndexFile();
writeIndex(indexFile, entries);
Map<String,File> dataFiles=createDataFiles(entries);
long newCrc=generateNewBytes();
assertTrue("Bad new CRC", newCrc != (-1L));
Map<String,File> badFiles=new TreeMap<String, File>();
for (IndexEntry entry : entries) {
String key=entry.key;
if (key.startsWith("badData")) {
File file=dataFiles.get(key);
OutputStream out=new FileOutputStream(file);
try {
out.write(bytes);
} finally {
out.close();
}
dataFiles.remove(key);
badFiles.put(key, file);
}
}
File cacheDir=getCacheDir();
FlatFileCacheBacking cache=createFileBacking(cacheDir);
Map<String, IndexEntry> indexMap=cache.getIndexMap();
assertEquals("Mismatched index size", dataFiles.size(), indexMap.size());
Map<String, byte[]> bytesMap=cache.getBytesMap();
assertEquals("Mismatched bytes size", dataFiles.size(), bytesMap.size());
for (Map.Entry<String,File> badEntry : badFiles.entrySet()) {
String key=badEntry.getKey();
assertFalse("Unexpectedly indexed: " + key, indexMap.containsKey(key));
assertFalse("Unexpectedly loaded: " + key, bytesMap.containsKey(key));
File file=badEntry.getValue();
assertFalse("Unexpectedly still readable: " + key, file.canRead());
}
}
public void testSkipMissingDataFileOnReadIndex () throws IOException {
IndexEntry[] entries={
createIndexEntry("weaved-noData", false, false, null, null),
createIndexEntry("withData-weaved", false, false, bytes, bytes),
createIndexEntry("generated-noData", true, false, null, null),
createIndexEntry("withData-generated", true, false, bytes, bytes)
};
File indexFile=getIndexFile();
writeIndex(indexFile, entries);
Map<String,File> dataFiles=new TreeMap<String, File>();
for (IndexEntry entry : entries) {
String key=entry.key;
if (key.startsWith("withData")) {
dataFiles.put(key, createDataFile(entry, bytes));
}
}
File cacheDir=getCacheDir();
FlatFileCacheBacking cache=createFileBacking(cacheDir);
Map<String, IndexEntry> indexMap=cache.getIndexMap();
assertEquals("Mismatched index size", dataFiles.size(), indexMap.size());
Map<String, byte[]> bytesMap=cache.getBytesMap();
assertEquals("Mismatched bytes size", dataFiles.size(), bytesMap.size());
for (IndexEntry entry : entries) {
String key=entry.key;
if (key.startsWith("withData")) {
assertTrue("Not indexed: " + key, indexMap.containsKey(key));
assertTrue("Not loaded: " + key, bytesMap.containsKey(key));
} else {
assertFalse("Unexpectedly indexed: " + key, indexMap.containsKey(key));
assertFalse("Unexpectedly loaded: " + key, bytesMap.containsKey(key));
}
}
}
}
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