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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 "AS IS" BASIS,
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* See the License for the specific language governing permissions and
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package org.apache.cassandra.db.view;
import java.net.InetAddress;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
import org.junit.BeforeClass;
import org.junit.Test;
import junit.framework.Assert;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.config.Schema;
import org.apache.cassandra.db.Keyspace;
import org.apache.cassandra.dht.OrderPreservingPartitioner.StringToken;
import org.apache.cassandra.exceptions.ConfigurationException;
import org.apache.cassandra.locator.IEndpointSnitch;
import org.apache.cassandra.locator.NetworkTopologyStrategy;
import org.apache.cassandra.locator.PropertyFileSnitch;
import org.apache.cassandra.locator.TokenMetadata;
import org.apache.cassandra.schema.KeyspaceMetadata;
import org.apache.cassandra.schema.KeyspaceParams;
import org.apache.cassandra.schema.ReplicationParams;
import org.apache.cassandra.service.StorageService;
public class ViewUtilsTest
{
@BeforeClass
public static void setUp() throws ConfigurationException
{
IEndpointSnitch snitch = new PropertyFileSnitch();
DatabaseDescriptor.setEndpointSnitch(snitch);
Keyspace.setInitialized();
}
@Test
public void testGetIndexNaturalEndpoint() throws Exception
{
TokenMetadata metadata = StorageService.instance.getTokenMetadata();
metadata.clearUnsafe();
// DC1
metadata.updateNormalToken(new StringToken("A"), InetAddress.getByName("127.0.0.1"));
metadata.updateNormalToken(new StringToken("C"), InetAddress.getByName("127.0.0.2"));
// DC2
metadata.updateNormalToken(new StringToken("B"), InetAddress.getByName("127.0.0.4"));
metadata.updateNormalToken(new StringToken("D"), InetAddress.getByName("127.0.0.5"));
Map<String, String> replicationMap = new HashMap<>();
replicationMap.put(ReplicationParams.CLASS, NetworkTopologyStrategy.class.getName());
replicationMap.put("DC1", "1");
replicationMap.put("DC2", "1");
Keyspace.clear("Keyspace1");
KeyspaceMetadata meta = KeyspaceMetadata.create("Keyspace1", KeyspaceParams.create(false, replicationMap));
Schema.instance.setKeyspaceMetadata(meta);
Optional<InetAddress> naturalEndpoint = ViewUtils.getViewNaturalEndpoint("Keyspace1",
new StringToken("CA"),
new StringToken("BB"));
Assert.assertTrue(naturalEndpoint.isPresent());
Assert.assertEquals(InetAddress.getByName("127.0.0.2"), naturalEndpoint.get());
}
@Test
public void testLocalHostPreference() throws Exception
{
TokenMetadata metadata = StorageService.instance.getTokenMetadata();
metadata.clearUnsafe();
// DC1
metadata.updateNormalToken(new StringToken("A"), InetAddress.getByName("127.0.0.1"));
metadata.updateNormalToken(new StringToken("C"), InetAddress.getByName("127.0.0.2"));
// DC2
metadata.updateNormalToken(new StringToken("B"), InetAddress.getByName("127.0.0.4"));
metadata.updateNormalToken(new StringToken("D"), InetAddress.getByName("127.0.0.5"));
Map<String, String> replicationMap = new HashMap<>();
replicationMap.put(ReplicationParams.CLASS, NetworkTopologyStrategy.class.getName());
replicationMap.put("DC1", "2");
replicationMap.put("DC2", "2");
Keyspace.clear("Keyspace1");
KeyspaceMetadata meta = KeyspaceMetadata.create("Keyspace1", KeyspaceParams.create(false, replicationMap));
Schema.instance.setKeyspaceMetadata(meta);
Optional<InetAddress> naturalEndpoint = ViewUtils.getViewNaturalEndpoint("Keyspace1",
new StringToken("CA"),
new StringToken("BB"));
Assert.assertTrue(naturalEndpoint.isPresent());
Assert.assertEquals(InetAddress.getByName("127.0.0.1"), naturalEndpoint.get());
}
@Test
public void testBaseTokenDoesNotBelongToLocalReplicaShouldReturnEmpty() throws Exception
{
TokenMetadata metadata = StorageService.instance.getTokenMetadata();
metadata.clearUnsafe();
// DC1
metadata.updateNormalToken(new StringToken("A"), InetAddress.getByName("127.0.0.1"));
metadata.updateNormalToken(new StringToken("C"), InetAddress.getByName("127.0.0.2"));
// DC2
metadata.updateNormalToken(new StringToken("B"), InetAddress.getByName("127.0.0.4"));
metadata.updateNormalToken(new StringToken("D"), InetAddress.getByName("127.0.0.5"));
Map<String, String> replicationMap = new HashMap<>();
replicationMap.put(ReplicationParams.CLASS, NetworkTopologyStrategy.class.getName());
replicationMap.put("DC1", "1");
replicationMap.put("DC2", "1");
Keyspace.clear("Keyspace1");
KeyspaceMetadata meta = KeyspaceMetadata.create("Keyspace1", KeyspaceParams.create(false, replicationMap));
Schema.instance.setKeyspaceMetadata(meta);
Optional<InetAddress> naturalEndpoint = ViewUtils.getViewNaturalEndpoint("Keyspace1",
new StringToken("AB"),
new StringToken("BB"));
Assert.assertFalse(naturalEndpoint.isPresent());
}
}