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* 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
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package org.apache.cassandra.config;
import static org.junit.Assert.assertNotNull;
import org.apache.avro.specific.SpecificRecord;
import org.apache.cassandra.CleanupHelper;
import org.apache.cassandra.db.migration.AddKeyspace;
import org.apache.cassandra.locator.SimpleStrategy;
import org.apache.cassandra.io.SerDeUtils;
import org.junit.Test;
import java.io.IOException;
import java.util.UUID;
public class DatabaseDescriptorTest
{
protected <D extends SpecificRecord> D serDe(D record, D newInstance) throws IOException
{
D actual = SerDeUtils.deserialize(record.getSchema(),
SerDeUtils.serialize(record),
newInstance);
assert actual.equals(record) : actual + " != " + record;
return actual;
}
@Test
public void testCFMetaDataSerialization() throws IOException, ConfigurationException
{
// test serialization of all defined test CFs.
for (String table : DatabaseDescriptor.getNonSystemTables())
{
for (CFMetaData cfm : DatabaseDescriptor.getTableMetaData(table).values())
{
CFMetaData cfmDupe = CFMetaData.inflate(serDe(cfm.deflate(), new org.apache.cassandra.db.migration.avro.CfDef()));
assert cfmDupe != null;
assert cfmDupe.equals(cfm);
}
}
}
@Test
public void testKSMetaDataSerialization() throws IOException, ConfigurationException
{
for (KSMetaData ksm : DatabaseDescriptor.tables.values())
{
// Not testing round-trip on the KsDef via serDe() because maps
// cannot be compared in avro.
KSMetaData ksmDupe = KSMetaData.inflate(ksm.deflate());
assert ksmDupe != null;
assert ksmDupe.equals(ksm);
}
}
// this came as a result of CASSANDRA-995
@Test
public void testTransKsMigration() throws IOException, ConfigurationException
{
CleanupHelper.cleanupAndLeaveDirs();
DatabaseDescriptor.loadSchemas();
assert DatabaseDescriptor.getNonSystemTables().size() == 0;
// add a few.
AddKeyspace ks0 = new AddKeyspace(new KSMetaData("ks0", SimpleStrategy.class, KSMetaData.optsWithRF(3)));
ks0.apply();
AddKeyspace ks1 = new AddKeyspace(new KSMetaData("ks1", SimpleStrategy.class, KSMetaData.optsWithRF(3)));
ks1.apply();
assert DatabaseDescriptor.getTableDefinition("ks0") != null;
assert DatabaseDescriptor.getTableDefinition("ks1") != null;
DatabaseDescriptor.clearTableDefinition(DatabaseDescriptor.getTableDefinition("ks0"), new UUID(4096, 0));
DatabaseDescriptor.clearTableDefinition(DatabaseDescriptor.getTableDefinition("ks1"), new UUID(4096, 0));
assert DatabaseDescriptor.getTableDefinition("ks0") == null;
assert DatabaseDescriptor.getTableDefinition("ks1") == null;
DatabaseDescriptor.loadSchemas();
assert DatabaseDescriptor.getTableDefinition("ks0") != null;
assert DatabaseDescriptor.getTableDefinition("ks1") != null;
}
}