package com.thinkaurelius.titan.diskstorage.cassandra;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.util.Arrays;
import java.util.Collections;
import java.util.Map;
import org.apache.commons.configuration.BaseConfiguration;
import org.apache.commons.configuration.CompositeConfiguration;
import org.apache.commons.configuration.Configuration;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.collect.ImmutableMap;
import com.thinkaurelius.titan.diskstorage.KeyColumnValueStoreTest;
import com.thinkaurelius.titan.diskstorage.StorageException;
import com.thinkaurelius.titan.diskstorage.keycolumnvalue.StoreFeatures;
import com.thinkaurelius.titan.testcategory.OrderedKeyStoreTests;
import com.thinkaurelius.titan.testcategory.UnorderedKeyStoreTests;
public abstract class AbstractCassandraKeyColumnValueStoreTest extends KeyColumnValueStoreTest {
private static final Logger log =
LoggerFactory.getLogger(AbstractCassandraKeyColumnValueStoreTest.class);
private static final String TEST_CF_NAME = "testcf";
private static final String DEFAULT_COMPRESSOR_PACKAGE = "org.apache.cassandra.io.compress";
public abstract Configuration getBaseStorageConfiguration();
public abstract AbstractCassandraStoreManager openStorageManager(Configuration c) throws StorageException;
@Test
@Category({ UnorderedKeyStoreTests.class })
public void testUnorderedConfiguration() {
if (!manager.getFeatures().supportsUnorderedScan()) {
log.warn(
"Can't test key-unordered features on incompatible store. "
+ "This warning could indicate reduced test coverage and "
+ "a broken JUnit configuration. Skipping test {}.",
name.getMethodName());
return;
}
StoreFeatures features = manager.getFeatures();
assertFalse(features.isKeyOrdered());
assertFalse(features.hasLocalKeyPartition());
}
@Test
@Category({ OrderedKeyStoreTests.class })
public void testOrderedConfiguration() {
if (!manager.getFeatures().supportsOrderedScan()) {
log.warn(
"Can't test key-ordered features on incompatible store. "
+ "This warning could indicate reduced test coverage and "
+ "a broken JUnit configuration. Skipping test {}.",
name.getMethodName());
return;
}
StoreFeatures features = manager.getFeatures();
assertTrue(features.isKeyOrdered());
}
@Test
public void testDefaultCFCompressor() throws StorageException {
final String cf = TEST_CF_NAME + "_snappy";
AbstractCassandraStoreManager mgr = openStorageManager();
mgr.openDatabase(cf);
Map<String, String> defaultCfCompressionOps =
new ImmutableMap.Builder<String, String>()
.put("sstable_compression", DEFAULT_COMPRESSOR_PACKAGE + ".SnappyCompressor")
.put("chunk_length_kb", "64")
.build();
assertEquals(defaultCfCompressionOps, mgr.getCompressionOptions(cf));
}
@Test
public void testCustomCFCompressor() throws StorageException {
final String cname = "DeflateCompressor";
final String ckb = "128";
final String cf = TEST_CF_NAME + "_gzip";
Configuration gzipCompressorCfg = new BaseConfiguration();
gzipCompressorCfg.setProperty(AbstractCassandraStoreManager.COMPRESSION_KEY, cname);
gzipCompressorCfg.setProperty(AbstractCassandraStoreManager.COMPRESSION_CHUNKS_SIZE_KEY, ckb);
gzipCompressorCfg = new CompositeConfiguration(Arrays.asList(gzipCompressorCfg, getBaseStorageConfiguration()));
AbstractCassandraStoreManager mgr = openStorageManager(gzipCompressorCfg);
// N.B.: clearStorage() truncates CFs but does not delete them
mgr.openDatabase(cf);
final Map<String, String> expected = ImmutableMap
.<String, String> builder()
.put("sstable_compression",
DEFAULT_COMPRESSOR_PACKAGE + "." + cname)
.put("chunk_length_kb", ckb).build();
assertEquals(expected, mgr.getCompressionOptions(cf));
}
@Test
public void testDisableCFCompressor() throws StorageException {
final String cf = TEST_CF_NAME + "_nocompress";
Configuration noCompressorCfg = new BaseConfiguration();
noCompressorCfg.setProperty(AbstractCassandraStoreManager.ENABLE_COMPRESSION_KEY, "false");
noCompressorCfg = new CompositeConfiguration(Arrays.asList(noCompressorCfg, getBaseStorageConfiguration()));
AbstractCassandraStoreManager mgr = openStorageManager(noCompressorCfg);
// N.B.: clearStorage() truncates CFs but does not delete them
mgr.openDatabase(cf);
assertEquals(Collections.emptyMap(), mgr.getCompressionOptions(cf));
}
@Override
public AbstractCassandraStoreManager openStorageManager() throws StorageException {
return openStorageManager(getBaseStorageConfiguration());
}
}