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127
...prise/causal-clustering/src/test/java/org/neo4j/causalclustering/net/ServerStateTest.java
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| @@ -0,0 +1,127 @@ | ||
| /* | ||
| * Copyright (c) 2002-2018 "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.causalclustering.net; | ||
|
|
||
| import io.netty.bootstrap.Bootstrap; | ||
| import io.netty.channel.ChannelInitializer; | ||
| import io.netty.channel.EventLoopGroup; | ||
| import io.netty.channel.nio.NioEventLoopGroup; | ||
| import io.netty.channel.socket.nio.NioSocketChannel; | ||
| import org.junit.After; | ||
| import org.junit.Before; | ||
| import org.junit.Test; | ||
|
|
||
| import org.neo4j.causalclustering.helper.EnableableLifeCycleStateChangeTest; | ||
| import org.neo4j.causalclustering.helper.EnableableLifeCylcleEnableableStateChangeTest; | ||
| import org.neo4j.helpers.ListenSocketAddress; | ||
| import org.neo4j.logging.FormattedLogProvider; | ||
| import org.neo4j.logging.Level; | ||
| import org.neo4j.ports.allocation.PortAuthority; | ||
|
|
||
| import static org.junit.Assert.assertFalse; | ||
| import static org.junit.Assert.assertTrue; | ||
|
|
||
| /** | ||
| * More generalized state tests of EnableableLifeCycle can be found {@link EnableableLifeCycleStateChangeTest} and | ||
| * {@link EnableableLifeCylcleEnableableStateChangeTest} | ||
| */ | ||
| public class ServerStateTest | ||
| { | ||
| private Server server; | ||
| private final EventLoopGroup clientGroup = new NioEventLoopGroup(); | ||
|
|
||
| @Before | ||
| public void setUp() throws InterruptedException | ||
| { | ||
| server = createServer(); | ||
| server.init(); | ||
| assertFalse( canConnect( server.address(), clientGroup ) ); | ||
| } | ||
|
|
||
| @After | ||
| public void tearDown() | ||
| { | ||
| server.stop(); | ||
| server.shutdown(); | ||
| } | ||
|
|
||
| @Test | ||
| public void shouldStartServerNormally() throws InterruptedException | ||
| { | ||
| server.start(); | ||
| assertTrue( canConnect( server.address(), clientGroup ) ); | ||
| } | ||
|
|
||
| @Test | ||
| public void canDisableAndEnableServer() throws InterruptedException | ||
| { | ||
| server.start(); | ||
| assertTrue( canConnect( server.address(), clientGroup ) ); | ||
|
|
||
| server.disable(); | ||
| assertFalse( canConnect( server.address(), clientGroup ) ); | ||
|
|
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| server.enable(); | ||
| assertTrue( canConnect( server.address(), clientGroup ) ); | ||
| } | ||
|
|
||
| @Test | ||
| public void serverCannotBeEnabledIfLifeCycleHasNotStarted() throws InterruptedException | ||
| { | ||
| server.enable(); | ||
| assertFalse( canConnect( server.address(), clientGroup ) ); | ||
|
|
||
| server.start(); | ||
| assertTrue( canConnect( server.address(), clientGroup ) ); | ||
| } | ||
|
|
||
| @Test | ||
| public void serverCannotStartIfDisabled() throws InterruptedException | ||
| { | ||
| server.disable(); | ||
|
|
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| server.start(); | ||
| assertFalse( canConnect( server.address(), clientGroup ) ); | ||
|
|
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| server.enable(); | ||
| assertTrue( canConnect( server.address(), clientGroup ) ); | ||
| } | ||
|
|
||
| private static Server createServer() | ||
| { | ||
| return new Server( channel -> | ||
| { | ||
| }, FormattedLogProvider.withDefaultLogLevel( Level.DEBUG ).toOutputStream( System.out ), | ||
| FormattedLogProvider.withDefaultLogLevel( Level.DEBUG ).toOutputStream( System.out ), | ||
| new ListenSocketAddress( "localhost", PortAuthority.allocatePort() ), "serverName" ); | ||
| } | ||
|
|
||
| private static boolean canConnect( ListenSocketAddress socketAddress, EventLoopGroup eventExecutors ) throws InterruptedException | ||
| { | ||
| return new Bootstrap().group( eventExecutors ).channel( NioSocketChannel.class ).handler( new ChannelInitializer<NioSocketChannel>() | ||
| { | ||
| @Override | ||
| protected void initChannel( NioSocketChannel ch ) | ||
| { | ||
|
|
||
| } | ||
| } ).connect( socketAddress.getHostname(), socketAddress.getPort() ).await().isSuccess(); | ||
| } | ||
| } |