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INT-2929 Fix JMX Occasional Failing Tests

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ExponentialMovingAverageRateTests are VERY sensitive to
timing, when running on a busy platform.

Add code to skip the assertions if we detect we are
running on a slow machine.
This commit is contained in:
Gary Russell
2013-02-12 16:10:43 -05:00
committed by Gunnar Hillert
parent 0ab076ee24
commit 32ccd988a0
1 changed files with 35 additions and 10 deletions
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45
spring-integration-jmx/src/test/java/org/springframework/integration/monitor/ExponentialMovingAverageRateTests.java
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@@ -1,11 +1,11 @@
/*
* Copyright 2002-2010 the original author or authors.
*
* Copyright 2002-2013 the original author or authors.
*
* 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.
@@ -16,16 +16,21 @@ import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.junit.Ignore;
import org.junit.Test;
/**
* @author Dave Syer
*
* @author Gary Russell
*
*/
public class ExponentialMovingAverageRateTests {
private ExponentialMovingAverageRate history = new ExponentialMovingAverageRate(1., 10., 10);
private final static Log logger = LogFactory.getLog(ExponentialMovingAverageRateTests.class);
private final ExponentialMovingAverageRate history = new ExponentialMovingAverageRate(1., 10., 10);
@Test
public void testGetCount() {
@@ -43,23 +48,43 @@ public class ExponentialMovingAverageRateTests {
@Test
public void testGetEarlyMean() throws Exception {
long t0 = System.currentTimeMillis();
assertEquals(0, history.getMean(), 0.01);
Thread.sleep(20L);
history.increment();
assertTrue(history.getMean() > 10);
long elapsed = System.currentTimeMillis() - t0;
if (elapsed < 30L) {
assertTrue(history.getMean() > 10);
}
else {
logger.warn("Test took too long to verify mean");
}
}
@Test
public void testGetMean() throws Exception {
long t0 = System.currentTimeMillis();
assertEquals(0, history.getMean(), 0.01);
Thread.sleep(20L);
history.increment();
Thread.sleep(20L);
history.increment();
double before = history.getMean();
assertTrue(before > 10);
Thread.sleep(20L);
assertTrue(history.getMean() < before);
long elapsed = System.currentTimeMillis() - t0;
if (elapsed < 50L) {
assertTrue(before > 10);
Thread.sleep(20L);
elapsed = System.currentTimeMillis() - t0;
if (elapsed < 80L) {
assertTrue(history.getMean() < before);
}
else {
logger.warn("Test took too long to verify mean");
}
}
else {
logger.warn("Test took too long to verify mean");
}
}
@Test