/*
* Copyright 2013, 2014 Deutsche Nationalbibliothek
*
* Licensed 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,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.culturegraph.mf.monitoring;
import org.culturegraph.mf.framework.helpers.DefaultObjectReceiver;
import org.junit.Before;
import org.junit.Test;
/**
* Tests for class {@link ObjectTimer}.
*
* @author Christoph Böhme
*
*/
public final class ObjectTimerTest {
/**
* A module with a slow process method.
*/
private static final class BenchmarkedModule extends DefaultObjectReceiver<String> {
private static final long[] DURATIONS = { 150L, 20L, 30L, 202L };
private int i;
@Override
public void process(final String obj) {
try {
Thread.sleep(getDuration());
} catch (final InterruptedException e) {
return;
}
}
private long getDuration() {
final long duration = DURATIONS[i];
i += 1;
if (i == DURATIONS.length) {
i = 0;
}
return duration;
}
}
private ObjectTimer<String> objectTimer;
private BenchmarkedModule benchmarkedModule;
@Before
public void setup() {
objectTimer = new ObjectTimer<String>();
benchmarkedModule = new BenchmarkedModule();
objectTimer.setReceiver(benchmarkedModule);
}
@Test
public void testShouldMeasureExecutionTime() {
objectTimer.process("");
objectTimer.process("");
objectTimer.process("");
objectTimer.process("");
objectTimer.closeStream();
}
@Test
public void testShouldHandleImmediateCloseStreamWithNoProcessing() {
objectTimer.closeStream();
}
}