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335
test/org/apache/catalina/loader/TestVirtualContext.java
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335
test/org/apache/catalina/loader/TestVirtualContext.java
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/*
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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.loader;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.Arrays;
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import java.util.HashSet;
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import org.junit.Assert;
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import org.junit.Test;
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import org.apache.catalina.WebResourceRoot;
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import org.apache.catalina.core.JreMemoryLeakPreventionListener;
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import org.apache.catalina.core.StandardContext;
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import org.apache.catalina.startup.Tomcat;
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import org.apache.catalina.startup.TomcatBaseTest;
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import org.apache.catalina.webresources.StandardRoot;
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import org.apache.tomcat.util.buf.ByteChunk;
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import org.apache.tomcat.util.http.fileupload.FileUtils;
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import org.apache.tomcat.util.http.fileupload.IOUtils;
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import org.apache.tomcat.util.scan.StandardJarScanner;
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public class TestVirtualContext extends TomcatBaseTest {
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@Override
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public void setUp() throws Exception {
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super.setUp();
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Tomcat tomcat = getTomcatInstance();
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// BZ 49218: The test fails if JreMemoryLeakPreventionListener is not
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// present. The listener affects the JVM, and thus not only the current,
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// but also the subsequent tests that are run in the same JVM. So it is
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// fair to add it in every test.
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tomcat.getServer().addLifecycleListener(
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new JreMemoryLeakPreventionListener());
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}
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@Test
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public void testVirtualClassLoader() throws Exception {
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Tomcat tomcat = getTomcatInstance();
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File appDir = new File("test/webapp-virtual-webapp/src/main/webapp");
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// app dir is relative to server home
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StandardContext ctx = (StandardContext) tomcat.addWebapp(null, "/test",
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appDir.getAbsolutePath());
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ctx.setResources(new StandardRoot(ctx));
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File f1 = new File("test/webapp-virtual-webapp/target/classes");
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File f2 = new File("test/webapp-virtual-library/target/WEB-INF");
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File f3 = new File(
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"test/webapp-virtual-webapp/src/main/webapp/WEB-INF/classes");
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File f4 = new File(
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"test/webapp-virtual-webapp/src/main/webapp2/WEB-INF/classes");
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File f5 = new File("test/webapp-virtual-webapp/src/main/misc");
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File f6 = new File("test/webapp-virtual-webapp/src/main/webapp2");
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ctx.getResources().createWebResourceSet(
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WebResourceRoot.ResourceSetType.POST, "/WEB-INF/classes",
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f1.getAbsolutePath(), null, "/");
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ctx.getResources().createWebResourceSet(
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WebResourceRoot.ResourceSetType.POST, "/WEB-INF",
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f2.getAbsolutePath(), null, "/");
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ctx.getResources().createWebResourceSet(
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WebResourceRoot.ResourceSetType.POST, "/WEB-INF/classes",
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f3.getAbsolutePath(), null, "/");
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ctx.getResources().createWebResourceSet(
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WebResourceRoot.ResourceSetType.POST, "/WEB-INF/classes",
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f4.getAbsolutePath(), null, "/");
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ctx.getResources().createWebResourceSet(
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WebResourceRoot.ResourceSetType.POST, "/other",
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f5.getAbsolutePath(), null, "/");
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ctx.getResources().createWebResourceSet(
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WebResourceRoot.ResourceSetType.POST, "/",
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f6.getAbsolutePath(), null, "/");
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StandardJarScanner jarScanner = new StandardJarScanner();
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jarScanner.setScanAllDirectories(true);
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ctx.setJarScanner(jarScanner);
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ctx.setAddWebinfClassesResources(true);
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tomcat.start();
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assertPageContains("/test/classpathGetResourceAsStream.jsp?path=nonexistent",
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"resourceAInWebInfClasses=true", 404);
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assertPageContains(
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"/test/classpathGetResourceAsStream.jsp?path=rsrc/resourceA.properties",
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"resourceAInWebInfClasses=true");
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assertPageContains(
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"/test/classpathGetResourceUrlThenGetStream.jsp?path=rsrc/resourceA.properties",
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"resourceAInWebInfClasses=true");
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assertPageContains(
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"/test/classpathGetResourceAsStream.jsp?path=rsrc/resourceB.properties",
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"resourceBInTargetClasses=true");
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assertPageContains(
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"/test/classpathGetResourceUrlThenGetStream.jsp?path=rsrc/resourceB.properties",
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"resourceBInTargetClasses=true");
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assertPageContains(
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"/test/classpathGetResourceAsStream.jsp?path=rsrc/resourceC.properties",
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"resourceCInDependentLibraryTargetClasses=true");
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assertPageContains(
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"/test/classpathGetResourceUrlThenGetStream.jsp?path=rsrc/resourceC.properties",
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"resourceCInDependentLibraryTargetClasses=true");
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assertPageContains(
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"/test/classpathGetResourceAsStream.jsp?path=rsrc/resourceD.properties",
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"resourceDInPackagedJarInWebInfLib=true");
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assertPageContains(
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"/test/classpathGetResourceUrlThenGetStream.jsp?path=rsrc/resourceD.properties",
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"resourceDInPackagedJarInWebInfLib=true");
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assertPageContains(
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"/test/classpathGetResourceAsStream.jsp?path=rsrc/resourceG.properties",
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"resourceGInWebInfClasses=true");
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assertPageContains(
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"/test/classpathGetResourceUrlThenGetStream.jsp?path=rsrc/resourceG.properties",
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"resourceGInWebInfClasses=true");
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// test listing all possible paths for a classpath resource
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String allUrls =
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getUrl(
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"http://localhost:" + getPort() +
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"/test/classpathGetResources.jsp?path=rsrc/").toString();
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Assert.assertTrue(
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allUrls,
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allUrls.indexOf("/test/webapp-virtual-webapp/src/main/webapp/WEB-INF/classes/rsrc") > 0);
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Assert.assertTrue(
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allUrls,
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allUrls.indexOf("/test/webapp-virtual-webapp/src/main/webapp2/WEB-INF/classes/rsrc") > 0);
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Assert.assertTrue(
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allUrls,
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allUrls.indexOf("/test/webapp-virtual-webapp/src/main/webapp/WEB-INF/lib/rsrc.jar!/rsrc") > 0);
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Assert.assertTrue(
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allUrls,
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allUrls.indexOf("/test/webapp-virtual-webapp/target/classes/rsrc") > 0);
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Assert.assertTrue(
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allUrls,
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allUrls.indexOf("/test/webapp-virtual-library/target/WEB-INF/classes/rsrc") > 0);
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// check that there's no duplicate in the URLs
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String[] allUrlsArray = allUrls.split("\\s+");
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Assert.assertEquals(new HashSet<>(Arrays.asList(allUrlsArray)).size(),
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allUrlsArray.length);
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String allRsrsc2ClasspathUrls =
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getUrl(
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"http://localhost:" + getPort() +
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"/test/classpathGetResources.jsp?path=rsrc2/").toString();
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Assert.assertTrue(
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allRsrsc2ClasspathUrls,
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allRsrsc2ClasspathUrls.indexOf("/test/webapp-virtual-webapp/src/main/webapp2/WEB-INF/classes/rsrc2") > 0);
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// tests context.getRealPath
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// the following fails because getRealPath always return a non-null path
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// even if there's no such resource
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// assertPageContains("/test/contextGetRealPath.jsp?path=nonexistent",
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// "resourceAInWebInfClasses=true", 404);
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// Real paths depend on the OS and this test has to work on all
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// platforms so use File to convert the path to a platform specific form
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File f = new File(
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"test/webapp-virtual-webapp/src/main/webapp/rsrc/resourceF.properties");
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assertPageContains(
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"/test/contextGetRealPath.jsp?path=/rsrc/resourceF.properties",
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f.getPath());
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// tests context.getResource then the content
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assertPageContains("/test/contextGetResource.jsp?path=/nonexistent",
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"resourceAInWebInfClasses=true", 404);
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assertPageContains(
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"/test/contextGetResource.jsp?path=/WEB-INF/classes/rsrc/resourceA.properties",
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"resourceAInWebInfClasses=true");
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assertPageContains(
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"/test/contextGetResource.jsp?path=/WEB-INF/classes/rsrc/resourceG.properties",
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"resourceGInWebInfClasses=true");
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assertPageContains(
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"/test/contextGetResource.jsp?path=/rsrc/resourceE.properties",
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"resourceEInDependentLibraryTargetClasses=true");
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assertPageContains(
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"/test/contextGetResource.jsp?path=/other/resourceI.properties",
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"resourceIInWebapp=true");
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assertPageContains(
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"/test/contextGetResource.jsp?path=/rsrc2/resourceJ.properties",
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"resourceJInWebapp=true");
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String allRsrcPaths =
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getUrl(
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"http://localhost:" + getPort() +
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"/test/contextGetResourcePaths.jsp?path=/rsrc/").toString();
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Assert.assertTrue(
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allRsrcPaths,
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allRsrcPaths.indexOf("/rsrc/resourceF.properties") > 0);
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Assert.assertTrue(
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allRsrcPaths,
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allRsrcPaths.indexOf("/rsrc/resourceE.properties") > 0);
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Assert.assertTrue(
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allRsrcPaths,
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allRsrcPaths.indexOf("/rsrc/resourceH.properties") > 0);
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// check that there's no duplicate in the URLs
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String[] allRsrcPathsArray = allRsrcPaths.split("\\s+");
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Assert.assertEquals(new HashSet<>(Arrays.asList(allRsrcPathsArray)).size(),
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allRsrcPathsArray.length);
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String allRsrc2Paths =
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getUrl(
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"http://localhost:" + getPort() +
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"/test/contextGetResourcePaths.jsp?path=/rsrc2/").toString();
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Assert.assertTrue(
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allRsrc2Paths,
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allRsrc2Paths.indexOf("/rsrc2/resourceJ.properties") > 0);
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assertPageContains(
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"/test/testTlds.jsp",
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"worldA");
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assertPageContains(
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"/test/testTlds.jsp",
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"worldB");
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assertPageContains(
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"/test/testTlds.jsp",
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"worldC");
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assertPageContains(
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"/test/testTlds.jsp",
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"worldD");
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}
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@Test
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public void testAdditionalWebInfClassesPaths() throws Exception {
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Tomcat tomcat = getTomcatInstance();
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File appDir = new File("test/webapp-virtual-webapp/src/main/webapp");
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// app dir is relative to server home
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StandardContext ctx = (StandardContext) tomcat.addWebapp(null, "/test",
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appDir.getAbsolutePath());
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File tempFile = File.createTempFile("virtualWebInfClasses", null);
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File additionWebInfClasses = new File(tempFile.getAbsolutePath() + ".dir");
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Assert.assertTrue(additionWebInfClasses.mkdirs());
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File targetPackageForAnnotatedClass =
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new File(additionWebInfClasses,
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MyAnnotatedServlet.class.getPackage().getName().replace('.', '/'));
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Assert.assertTrue(targetPackageForAnnotatedClass.mkdirs());
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try (InputStream annotatedServletClassInputStream = this.getClass().getResourceAsStream(
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MyAnnotatedServlet.class.getSimpleName() + ".class");
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FileOutputStream annotatedServletClassOutputStream = new FileOutputStream(new File(
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targetPackageForAnnotatedClass, MyAnnotatedServlet.class.getSimpleName()
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+ ".class"));) {
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IOUtils.copy(annotatedServletClassInputStream, annotatedServletClassOutputStream);
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}
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ctx.setResources(new StandardRoot(ctx));
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File f1 = new File("test/webapp-virtual-webapp/target/classes");
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File f2 = new File("test/webapp-virtual-library/target/WEB-INF/classes");
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ctx.getResources().createWebResourceSet(
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WebResourceRoot.ResourceSetType.POST, "/WEB-INF/classes",
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f1.getAbsolutePath(), null, "/");
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ctx.getResources().createWebResourceSet(
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WebResourceRoot.ResourceSetType.POST, "/WEB-INF/classes",
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f2.getAbsolutePath(), null, "/");
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tomcat.start();
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// first test that without the setting on StandardContext the annotated
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// servlet is not detected
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assertPageContains("/test/annotatedServlet", MyAnnotatedServlet.MESSAGE, 404);
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tomcat.stop();
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// then test that if we configure StandardContext with the additional
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// path, the servlet is detected
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ctx.setResources(new StandardRoot(ctx));
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ctx.getResources().createWebResourceSet(
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WebResourceRoot.ResourceSetType.POST, "/WEB-INF/classes",
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f1.getAbsolutePath(), null, "/");
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ctx.getResources().createWebResourceSet(
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WebResourceRoot.ResourceSetType.POST, "/WEB-INF/classes",
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f2.getAbsolutePath(), null, "/");
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ctx.getResources().createWebResourceSet(
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WebResourceRoot.ResourceSetType.POST, "/WEB-INF/classes",
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additionWebInfClasses.getAbsolutePath(), null, "/");
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tomcat.start();
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assertPageContains("/test/annotatedServlet", MyAnnotatedServlet.MESSAGE);
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tomcat.stop();
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FileUtils.deleteDirectory(additionWebInfClasses);
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Assert.assertTrue("Failed to clean up [" + tempFile + "]", tempFile.delete());
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}
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private void assertPageContains(String pageUrl, String expectedBody)
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throws IOException {
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assertPageContains(pageUrl, expectedBody, 200);
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}
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private void assertPageContains(String pageUrl, String expectedBody,
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int expectedStatus) throws IOException {
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ByteChunk res = new ByteChunk();
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// Note: With a read timeout of 3s the ASF CI buildbot was consistently
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// seeing failures with this test. The failures were due to the
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// JSP initialisation taking longer than the read timeout. The
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// root cause of this is the frequent poor IO performance of the
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// VM running the buildbot instance. Increasing this to 10s should
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// avoid these failures.
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int sc = getUrl("http://localhost:" + getPort() + pageUrl, res, 10000,
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null, null);
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Assert.assertEquals(expectedStatus, sc);
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if (expectedStatus == 200) {
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String result = res.toString();
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Assert.assertTrue(result, result.indexOf(expectedBody) >= 0);
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}
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}
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}
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