/*
* 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 junit.framework.TestCase;
public class TimeSeriesMaxTest extends TestCase {
private TimeSeriesMax max;
public void testMax() {
max = new TimeSeriesMax();
// initial values
assertValues(max.getValuePerSecond());
assertValues(max.getValuePerMinute());
assertValues(max.getValuePerHour());
assertValues(max.getValuePerWeek());
// no changes in first second
max.recordOneSecond();
assertValues(max.getValuePerSecond());
assertValues(max.getValuePerMinute());
assertValues(max.getValuePerHour());
assertValues(max.getValuePerWeek());
// 2 seconds
max.recordValue(42);
max.recordOneSecond();
assertValues(max.getValuePerSecond(), 42);
assertValues(max.getValuePerMinute());
assertValues(max.getValuePerHour());
assertValues(max.getValuePerWeek());
// no changes in 3rd second
max.recordOneSecond();
assertValues(max.getValuePerSecond(), 0, 42);
assertValues(max.getValuePerMinute());
assertValues(max.getValuePerHour());
assertValues(max.getValuePerWeek());
// 4th second
max.recordValue(99);
max.recordOneSecond();
assertValues(max.getValuePerSecond(), 99, 0, 42);
assertValues(max.getValuePerMinute());
assertValues(max.getValuePerHour());
assertValues(max.getValuePerWeek());
// one minute later
for (int i = 0; i < 60; i++) {
max.recordOneSecond();
}
assertValues(max.getValuePerSecond());
assertValues(max.getValuePerMinute(), 99);
assertValues(max.getValuePerHour());
assertValues(max.getValuePerWeek());
// another minute later
for (int i = 0; i < 60; i++) {
max.recordOneSecond();
}
assertValues(max.getValuePerSecond());
assertValues(max.getValuePerMinute(), 0, 99);
assertValues(max.getValuePerHour());
assertValues(max.getValuePerWeek());
// one hour
for (int i = 0; i < 60 * 60; i++) {
max.recordOneSecond();
}
assertValues(max.getValuePerSecond());
assertValues(max.getValuePerMinute());
assertValues(max.getValuePerHour(), 99);
assertValues(max.getValuePerWeek());
// one week
for (int i = 0; i < 7 * 24 * 60 * 60; i++) {
max.recordOneSecond();
}
assertValues(max.getValuePerSecond());
assertValues(max.getValuePerMinute());
assertValues(max.getValuePerHour());
assertValues(max.getValuePerWeek(), 99);
}
public void testMaxWithMissing() {
for (long m : new long[]{-42, 42}) {
max = new TimeSeriesMax(m);
// initial values
assertValues(max.getValuePerSecond());
assertValues(max.getValuePerMinute());
assertValues(max.getValuePerHour());
assertValues(max.getValuePerWeek());
// no changes in first second
max.recordOneSecond();
assertValues(max.getValuePerSecond());
assertValues(max.getValuePerMinute());
assertValues(max.getValuePerHour());
assertValues(max.getValuePerWeek());
// 2 seconds
max.recordValue(42);
max.recordOneSecond();
assertValues(max.getValuePerSecond(), 42);
assertValues(max.getValuePerMinute());
assertValues(max.getValuePerHour());
assertValues(max.getValuePerWeek());
// no changes in 3rd second
max.recordOneSecond();
assertValues(max.getValuePerSecond(), max.getMissingValue(), 42);
assertValues(max.getValuePerMinute());
assertValues(max.getValuePerHour());
assertValues(max.getValuePerWeek());
// 4th second
max.recordValue(99);
max.recordOneSecond();
assertValues(max.getValuePerSecond(), 99, max.getMissingValue(), 42);
assertValues(max.getValuePerMinute());
assertValues(max.getValuePerHour());
assertValues(max.getValuePerWeek());
// one minute later
for (int i = 0; i < 60; i++) {
max.recordOneSecond();
}
assertValues(max.getValuePerSecond());
assertValues(max.getValuePerMinute(), 99);
assertValues(max.getValuePerHour());
assertValues(max.getValuePerWeek());
// another minute later
for (int i = 0; i < 60; i++) {
max.recordOneSecond();
}
assertValues(max.getValuePerSecond());
assertValues(max.getValuePerMinute(), max.getMissingValue(), 99);
assertValues(max.getValuePerHour());
assertValues(max.getValuePerWeek());
// one hour
for (int i = 0; i < 60 * 60; i++) {
max.recordOneSecond();
}
assertValues(max.getValuePerSecond());
assertValues(max.getValuePerMinute());
assertValues(max.getValuePerHour(), 99);
assertValues(max.getValuePerWeek());
// one week
for (int i = 0; i < 7 * 24 * 60 * 60; i++) {
max.recordOneSecond();
}
assertValues(max.getValuePerSecond());
assertValues(max.getValuePerMinute());
assertValues(max.getValuePerHour());
assertValues(max.getValuePerWeek(), 99);
}
}
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(max.getMissingValue(), values[values.length - i - 1]);
}
}
}