/*
* 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.geode.internal.compression;
import org.junit.experimental.categories.Category;
import org.junit.Test;
import static org.junit.Assert.*;
import org.apache.geode.test.dunit.cache.internal.JUnit4CacheTestCase;
import org.apache.geode.test.dunit.internal.JUnit4DistributedTestCase;
import org.apache.geode.test.junit.categories.DistributedTest;
import org.apache.geode.cache.DataPolicy;
import org.apache.geode.cache.Region;
import org.apache.geode.cache30.CacheTestCase;
import org.apache.geode.compression.Compressor;
import org.apache.geode.compression.SnappyCompressor;
import org.apache.geode.test.dunit.Host;
import org.apache.geode.test.dunit.SerializableCallable;
import org.apache.geode.test.dunit.SerializableRunnable;
import org.apache.geode.test.dunit.VM;
/**
* Tests that the compressor region attribute is properly set or rejected by a RegionFactory.
*/
@Category(DistributedTest.class)
public class CompressionRegionFactoryDUnitTest extends JUnit4CacheTestCase {
/**
* Compressed region name.
*/
protected static final String COMPRESSED_REGION_NAME = "compressedRegion";
/**
* A valid compressor.
*/
protected static final Compressor compressor = new SnappyCompressor();
/**
* Our test vm.
*/
protected static final int TEST_VM = 0;
/**
* Creates a new CompressionRegionFactoryDUnitTest.
*
* @param name test name.
*/
public CompressionRegionFactoryDUnitTest() {
super();
}
/**
* Asserts that a region is created when a valid compressor is used. Asserts that the region
* attributes contain the correct compressor value.
*/
@Test
public void testRegionFactoryCompressor() {
assertTrue(createCompressedRegionOnVm(getVM(TEST_VM), COMPRESSED_REGION_NAME, compressor));
assertCompressor(getVM(TEST_VM), COMPRESSED_REGION_NAME, compressor);
cleanup(getVM(TEST_VM));
}
/**
* Returns the VM for a given identifier.
*
* @param vm a virtual machine identifier.
*/
private VM getVM(int vm) {
return Host.getHost(0).getVM(vm);
}
/**
* Removes created regions from a VM.
*
* @param vm the virtual machine to cleanup.
*/
private void cleanup(final VM vm) {
vm.invoke(new SerializableRunnable() {
@Override
public void run() {
getCache().getRegion(COMPRESSED_REGION_NAME).destroyRegion();
}
});
}
/**
* Asserts that a given compressor has been assigned to a region.
*
* @param vm the virtual machine to run the assertions on.
* @param name a region name.
* @param compressor a compressor.
*/
private void assertCompressor(final VM vm, final String name, final Compressor compressor) {
vm.invoke(new SerializableRunnable() {
@Override
public void run() {
Region region = getCache().getRegion(name);
assertNotNull(region);
assertNotNull(region.getAttributes().getCompressor());
assertTrue(compressor.equals(region.getAttributes().getCompressor()));
}
});
}
/**
* Creates a region and assigns a compressor.
*
* @param vm a virtual machine to create the region on.
* @param name a region name.
* @param compressor a compressor.
* @return true if successfully created, otherwise false.
*/
private boolean createCompressedRegionOnVm(final VM vm, final String name,
final Compressor compressor) {
return (Boolean) vm.invoke(new SerializableCallable() {
@Override
public Object call() throws Exception {
try {
createRegion(name, compressor);
} catch (IllegalStateException e) {
return Boolean.FALSE;
}
return Boolean.TRUE;
}
});
}
/**
* Creates a region and assigns a compressor.
*
* @param name a region name.
* @param compressor a compressor.
*/
private Region createRegion(String name, Compressor compressor) {
return getCache().<String, String>createRegionFactory().setDataPolicy(DataPolicy.REPLICATE)
.setCloningEnabled(true).setCompressor(compressor).create(name);
}
}