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MessageQueueMonitorMetricTest.java
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MessageQueueMonitorMetricTest.java
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/*
* Copyright (c) 2002-2016 "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.metrics.source;
import java.net.InetSocketAddress;
import org.junit.Test;
import org.neo4j.metrics.source.coreedge.MessageQueueMonitorMetric;
import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertThat;
public class MessageQueueMonitorMetricTest
{
@Test
public void shouldCalculateTotalDroppedMessages() throws Exception
{
// given
MessageQueueMonitorMetric metric = new MessageQueueMonitorMetric();
InetSocketAddress one = new InetSocketAddress( 1 );
InetSocketAddress three = new InetSocketAddress( 3 );
InetSocketAddress two = new InetSocketAddress( 2 );
// when
metric.register( one );
metric.register( two );
metric.register( three );
metric.droppedMessage( one );
metric.droppedMessage( two );
metric.droppedMessage( three );
// then
assertThat( metric.droppedMessages(), equalTo( 3L ) );
}
@Test
public void shouldCalculateTotalQueueSize() throws Exception
{
// given
MessageQueueMonitorMetric metric = new MessageQueueMonitorMetric();
InetSocketAddress one = new InetSocketAddress( 1 );
InetSocketAddress two = new InetSocketAddress( 2 );
InetSocketAddress three = new InetSocketAddress( 3 );
// when
metric.register( one );
metric.register( two );
metric.register( three );
metric.queueSize( one, 5 );
metric.queueSize( two, 6 );
metric.queueSize( three, 7 );
// then
assertThat( metric.queueSizes(), equalTo(18L) );
}
}