/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.jackrabbit.stats;
import java.util.concurrent.atomic.AtomicLong;
import junit.framework.TestCase;
import org.apache.jackrabbit.api.stats.RepositoryStatistics;
public class TimeSeriesRecorderTest extends TestCase {
private TimeSeriesRecorder recorder;
public void testCounter() {
recorder = new TimeSeriesRecorder(RepositoryStatistics.Type.SESSION_READ_COUNTER);
AtomicLong counter = recorder.getCounter();
// initial values
assertValues(recorder.getValuePerSecond());
assertValues(recorder.getValuePerMinute());
assertValues(recorder.getValuePerHour());
assertValues(recorder.getValuePerWeek());
// no changes in first second
recorder.recordOneSecond();
assertValues(recorder.getValuePerSecond());
assertValues(recorder.getValuePerMinute());
assertValues(recorder.getValuePerHour());
assertValues(recorder.getValuePerWeek());
// one increment in second
counter.incrementAndGet();
recorder.recordOneSecond();
assertValues(recorder.getValuePerSecond(), 1);
assertValues(recorder.getValuePerMinute());
assertValues(recorder.getValuePerHour());
assertValues(recorder.getValuePerWeek());
// two increments in second
counter.incrementAndGet();
counter.incrementAndGet();
recorder.recordOneSecond();
assertValues(recorder.getValuePerSecond(), 2, 1);
assertValues(recorder.getValuePerMinute());
assertValues(recorder.getValuePerHour());
assertValues(recorder.getValuePerWeek());
// no changes in a second
recorder.recordOneSecond();
assertValues(recorder.getValuePerSecond(), 0, 2, 1);
assertValues(recorder.getValuePerMinute());
assertValues(recorder.getValuePerHour());
assertValues(recorder.getValuePerWeek());
// ten increments in a second
counter.addAndGet(10);
recorder.recordOneSecond();
assertValues(recorder.getValuePerSecond(), 10, 0, 2, 1);
assertValues(recorder.getValuePerMinute());
assertValues(recorder.getValuePerHour());
assertValues(recorder.getValuePerWeek());
// one minute
for (int i = 0; i < 60; i++) {
recorder.recordOneSecond();
}
assertValues(recorder.getValuePerSecond());
assertValues(recorder.getValuePerMinute(), 13);
assertValues(recorder.getValuePerHour());
assertValues(recorder.getValuePerWeek());
// second minute
for (int i = 0; i < 60; i++) {
recorder.recordOneSecond();
}
assertValues(recorder.getValuePerSecond());
assertValues(recorder.getValuePerMinute(), 0, 13);
assertValues(recorder.getValuePerHour());
assertValues(recorder.getValuePerWeek());
// one hour
for (int i = 0; i < 60 * 60; i++) {
recorder.recordOneSecond();
}
assertValues(recorder.getValuePerSecond());
assertValues(recorder.getValuePerMinute());
assertValues(recorder.getValuePerHour(), 13);
assertValues(recorder.getValuePerWeek());
// one week
for (int i = 0; i < 7 * 24 * 60 * 60; i++) {
recorder.recordOneSecond();
}
assertValues(recorder.getValuePerSecond());
assertValues(recorder.getValuePerMinute());
assertValues(recorder.getValuePerHour());
assertValues(recorder.getValuePerWeek(), 13);
}
public void testCounterWithMissing() {
for (long m : new long[]{-42, 42}) {
recorder = new TimeSeriesRecorder(true, m);
AtomicLong counter = recorder.getCounter();
// initial values
assertValues(recorder.getValuePerSecond());
assertValues(recorder.getValuePerMinute());
assertValues(recorder.getValuePerHour());
assertValues(recorder.getValuePerWeek());
// no changes in first second
recorder.recordOneSecond();
assertValues(recorder.getValuePerSecond());
assertValues(recorder.getValuePerMinute());
assertValues(recorder.getValuePerHour());
assertValues(recorder.getValuePerWeek());
// one increment in second
counter.set(0);
counter.incrementAndGet();
recorder.recordOneSecond();
assertValues(recorder.getValuePerSecond(), 1);
assertValues(recorder.getValuePerMinute());
assertValues(recorder.getValuePerHour());
assertValues(recorder.getValuePerWeek());
// two increments in second
counter.set(0);
counter.incrementAndGet();
counter.incrementAndGet();
recorder.recordOneSecond();
assertValues(recorder.getValuePerSecond(), 2, 1);
assertValues(recorder.getValuePerMinute());
assertValues(recorder.getValuePerHour());
assertValues(recorder.getValuePerWeek());
// no changes in a second
recorder.recordOneSecond();
assertValues(recorder.getValuePerSecond(), recorder.getMissingValue(), 2, 1);
assertValues(recorder.getValuePerMinute());
assertValues(recorder.getValuePerHour());
assertValues(recorder.getValuePerWeek());
// ten increments in a second
counter.set(0);
counter.addAndGet(10);
recorder.recordOneSecond();
assertValues(recorder.getValuePerSecond(), 10, recorder.getMissingValue(), 2, 1);
assertValues(recorder.getValuePerMinute());
assertValues(recorder.getValuePerHour());
assertValues(recorder.getValuePerWeek());
// one minute
for (int i = 0; i < 60; i++) {
recorder.recordOneSecond();
}
assertValues(recorder.getValuePerSecond());
assertValues(recorder.getValuePerMinute(), 13);
assertValues(recorder.getValuePerHour());
assertValues(recorder.getValuePerWeek());
// second minute
for (int i = 0; i < 60; i++) {
recorder.recordOneSecond();
}
assertValues(recorder.getValuePerSecond());
assertValues(recorder.getValuePerMinute(), recorder.getMissingValue(), 13);
assertValues(recorder.getValuePerHour());
assertValues(recorder.getValuePerWeek());
// one hour
for (int i = 0; i < 60 * 60; i++) {
recorder.recordOneSecond();
}
assertValues(recorder.getValuePerSecond());
assertValues(recorder.getValuePerMinute());
assertValues(recorder.getValuePerHour(), 13);
assertValues(recorder.getValuePerWeek());
// one week
for (int i = 0; i < 7 * 24 * 60 * 60; i++) {
recorder.recordOneSecond();
}
assertValues(recorder.getValuePerSecond());
assertValues(recorder.getValuePerMinute());
assertValues(recorder.getValuePerHour());
assertValues(recorder.getValuePerWeek(), 13);
}
}
private void assertValues(long[] values, long... expected) {
for (int i = 0; i < expected.length; i++) {
assertEquals(expected[i], values[values.length - i - 1]);
}
for (int i = expected.length; i < values.length; i++) {
assertEquals(recorder.getMissingValue(), values[values.length - i - 1]);
}
}
}