84 lines
2.8 KiB
Java
84 lines
2.8 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.catalina.connector;
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import java.net.URI;
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import org.junit.Assert;
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import org.junit.Test;
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import org.apache.catalina.startup.LoggingBaseTest;
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import org.apache.tomcat.unittest.TesterRequest;
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public class TestResponsePerformance extends LoggingBaseTest {
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private final int ITERATIONS = 100000;
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@Test
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public void testToAbsolutePerformance() throws Exception {
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Request req = new TesterRequest();
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Response resp = new Response();
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resp.setRequest(req);
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// Warm up
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doHomebrew(resp);
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doUri();
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// Note: Java 9 on my OSX laptop consistently shows doUri() is faster
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// than doHomebrew(). Worth a closer look for Tomcat 10 on the
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// assumption it will require java 9
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// To allow for timing differences between runs, a "best of n" approach
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// is taken for this test
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final int bestOf = 5;
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final int winTarget = (bestOf + 1) / 2;
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int homebrewWin = 0;
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int count = 0;
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while (count < bestOf && homebrewWin < winTarget) {
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long homebrew = doHomebrew(resp);
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long uri = doUri();
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log.info("Current 'home-brew': " + homebrew + "ms, Using URI: " + uri + "ms");
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if (homebrew < uri) {
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homebrewWin++;
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}
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count++;
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}
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Assert.assertTrue(homebrewWin == winTarget);
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}
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private long doHomebrew(Response resp) {
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long start = System.currentTimeMillis();
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for (int i = 0; i < ITERATIONS; i++) {
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resp.toAbsolute("bar.html");
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}
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return System.currentTimeMillis() - start;
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}
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private long doUri() {
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long start = System.currentTimeMillis();
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for (int i = 0; i < ITERATIONS; i++) {
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URI base = URI.create(
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"http://localhost:8080/level1/level2/foo.html");
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base.resolve(URI.create("bar.html")).toASCIIString();
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}
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return System.currentTimeMillis() - start;
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}
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}
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