// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.data.cache;
import static org.junit.Assert.assertEquals;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.logging.Logger;
import org.apache.commons.jcs.access.CacheAccess;
import org.apache.commons.jcs.auxiliary.disk.block.BlockDiskCacheAttributes;
import org.junit.Rule;
import org.junit.Test;
import org.openstreetmap.josm.testutils.JOSMTestRules;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
/**
* Unit tests for class {@link JCSCacheManager}.
*/
public class JCSCacheManagerTest {
/**
* Setup test.
*/
@Rule
@SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
public JOSMTestRules test = new JOSMTestRules().preferences();
/**
* Non-regression test for <a href="https://josm.openstreetmap.de/ticket/12054">Bug #12054</a>.
* @throws IOException if any I/O error occurs
*/
@Test
public void testLoggingAdaptor12054() throws IOException {
JCSCacheManager.getCache("foobar", 1, 0, "foobar"); // cause logging adaptor to be initialized
Logger.getLogger("org.apache.commons.jcs").warning("{switch:0}");
}
@Test
public void testUseBigDiskFile() throws IOException {
if (JCSCacheManager.USE_BLOCK_CACHE.get()) {
// test only when using block cache
File cacheFile = new File("foobar/testUseBigDiskFile_BLOCK_v2.data");
if (!cacheFile.exists()) {
if (!cacheFile.createNewFile()) {
System.err.println("Unable to create " + cacheFile.getAbsolutePath());
}
}
try (FileOutputStream fileOutputStream = new FileOutputStream(cacheFile, false)) {
fileOutputStream.getChannel().truncate(0);
fileOutputStream.write(new byte[1024*1024*10]); // create 10MB empty file
}
CacheAccess<Object, Object> cache = JCSCacheManager.getCache("testUseBigDiskFile", 1, 100, "foobar");
assertEquals("BlockDiskCache use file size to calculate its size", 10*1024,
((BlockDiskCacheAttributes) cache.getCacheControl().getAuxCaches()[0].getAuxiliaryCacheAttributes()).getMaxKeySize());
}
}
}