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SwitchToMasterTest.java
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SwitchToMasterTest.java
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/*
* Copyright (c) 2002-2017 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.kernel.ha.cluster;
import java.net.InetSocketAddress;
import java.net.URI;
import org.junit.Test;
import org.neo4j.cluster.ClusterSettings;
import org.neo4j.kernel.configuration.Config;
import org.neo4j.kernel.ha.HaSettings;
import org.neo4j.kernel.ha.com.master.MasterServer;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import static org.neo4j.helpers.collection.MapUtil.stringMap;
public class SwitchToMasterTest
{
@Test
public void switchToMasterShouldUseConfigSettingIfSuitable() throws Exception
{
// given
Config config = new Config(
stringMap( ClusterSettings.server_id.name(), "1", HaSettings.ha_server.name(), "192.168.1.99:6001" ) );
URI me = new URI( "ha://127.0.0.1" );
MasterServer masterServer = mock( MasterServer.class );
// when
when( masterServer.getSocketAddress() ).thenReturn( new InetSocketAddress( "192.168.1.1", 6001 ) );
URI result = SwitchToMaster.getMasterUri( me, masterServer, config );
// then
assertEquals( "Wrong address", "ha://192.168.1.99:6001?serverId=1", result.toString() );
}
@Test
public void switchToMasterShouldUseIPv6ConfigSettingIfSuitable() throws Exception
{
// given
Config config = new Config(
stringMap( ClusterSettings.server_id.name(), "1", HaSettings.ha_server.name(), "[fe80::1]:6001" ) );
URI me = new URI( "ha://[::1]" );
MasterServer masterServer = mock( MasterServer.class );
// when
when( masterServer.getSocketAddress() ).thenReturn( new InetSocketAddress( "[fe80::1]", 6001 ) );
URI result = SwitchToMaster.getMasterUri( me, masterServer, config );
// then
assertEquals( "Wrong address", "ha://[fe80::1]:6001?serverId=1", result.toString() );
}
@Test
public void switchToMasterShouldIgnoreWildcardInConfig() throws Exception
{
// SwitchToMaster is used to advertise to the rest of the cluster and advertising 0.0.0.0 makes no sense
// given
Config config = new Config(
stringMap( ClusterSettings.server_id.name(), "1", HaSettings.ha_server.name(), "0.0.0.0:6001" ) );
URI me = new URI( "ha://127.0.0.1" );
MasterServer masterServer = mock( MasterServer.class );
// when
when( masterServer.getSocketAddress() ).thenReturn( new InetSocketAddress( "192.168.1.1", 6001 ) );
URI result = SwitchToMaster.getMasterUri( me, masterServer, config );
// then
assertEquals( "Wrong address", "ha://192.168.1.1:6001?serverId=1", result.toString() );
// when masterServer is 0.0.0.0
when( masterServer.getSocketAddress() ).thenReturn( new InetSocketAddress( 6001 ) );
result = SwitchToMaster.getMasterUri( me, masterServer, config );
// then
assertEquals( "Wrong address", "ha://127.0.0.1:6001?serverId=1", result.toString() );
}
@Test
public void switchToMasterShouldIgnoreIPv6WildcardInConfig() throws Exception
{
// SwitchToMaster is used to advertise to the rest of the cluster and advertising 0.0.0.0 makes no sense
// given
Config config = new Config(
stringMap( ClusterSettings.server_id.name(), "1", HaSettings.ha_server.name(), "[::]:6001" ) );
URI me = new URI( "ha://[::1]" );
MasterServer masterServer = mock( MasterServer.class );
// when
when( masterServer.getSocketAddress() ).thenReturn( new InetSocketAddress( "[fe80::1]", 6001 ) );
URI result = SwitchToMaster.getMasterUri( me, masterServer, config );
// then
assertEquals( "Wrong address", "ha://[fe80:0:0:0:0:0:0:1]:6001?serverId=1", result.toString() );
// when masterServer is 0.0.0.0
when( masterServer.getSocketAddress() ).thenReturn( new InetSocketAddress( 6001 ) );
result = SwitchToMaster.getMasterUri( me, masterServer, config );
// then
assertEquals( "Wrong address", "ha://[::1]:6001?serverId=1", result.toString() );
}
@Test
public void switchToMasterShouldHandleNoIpInConfig() throws Exception
{
Config config = new Config(
stringMap( ClusterSettings.server_id.name(), "1", HaSettings.ha_server.name(), ":6001" ) );
MasterServer masterServer = mock( MasterServer.class );
URI me = new URI( "ha://127.0.0.1" );
// when
when( masterServer.getSocketAddress() ).thenReturn( new InetSocketAddress( "192.168.1.1", 6001 ) );
URI result = SwitchToMaster.getMasterUri( me, masterServer, config );
// then
assertEquals( "Wrong address", "ha://192.168.1.1:6001?serverId=1", result.toString() );
// when masterServer is 0.0.0.0
when( masterServer.getSocketAddress() ).thenReturn( new InetSocketAddress( 6001 ) );
result = SwitchToMaster.getMasterUri( me, masterServer, config );
// then
assertEquals( "Wrong address", "ha://127.0.0.1:6001?serverId=1", result.toString() );
}
}