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From bode...@apache.org
Subject cvs commit: ant/src/testcases/org/apache/tools/ant AntClassLoaderDelegationTest.java AntClassLoaderTest.java
Date Tue, 27 Jul 2004 14:24:57 GMT
bodewig     2004/07/27 07:24:57

  Modified:    src/testcases/org/apache/tools/ant AntClassLoaderTest.java
  Added:       src/testcases/org/apache/tools/ant
                        AntClassLoaderDelegationTest.java
  Log:
  new tests fail if the tests themselves live on the system classloader
  
  Revision  Changes    Path
  1.9       +0 -52     ant/src/testcases/org/apache/tools/ant/AntClassLoaderTest.java
  
  Index: AntClassLoaderTest.java
  ===================================================================
  RCS file: /home/cvs/ant/src/testcases/org/apache/tools/ant/AntClassLoaderTest.java,v
  retrieving revision 1.8
  retrieving revision 1.9
  diff -u -r1.8 -r1.9
  --- AntClassLoaderTest.java	27 Jul 2004 07:02:06 -0000	1.8
  +++ AntClassLoaderTest.java	27 Jul 2004 14:24:57 -0000	1.9
  @@ -82,56 +82,4 @@
               fail("loader should not fail even if project finished");
           }
       }
  -    
  -    /** Sample resource present in build/testcases/ */
  -    private static final String TEST_RESOURCE = "org/apache/tools/ant/IncludeTest.class";
  -    
  -    public void testFindResources() throws Exception {
  -        //System.err.println("loading from: " + AntClassLoader.class.getProtectionDomain().getCodeSource().getLocation());
  -        // See bug #30161.
  -        // This path should contain the class files for these testcases:
  -        String buildTestcases = System.getProperty("build.tests");
  -        assertNotNull("defined ${build.tests}", buildTestcases);
  -        assertTrue("have a dir " + buildTestcases, new File(buildTestcases).isDirectory());
  -        Path path = new Path(p, buildTestcases);
  -        // A special parent loader which is not the system class loader:
  -        ClassLoader parent = new ParentLoader();
  -        // An AntClassLoader which is supposed to delegate to the parent and then to the
disk path:
  -        ClassLoader acl = new AntClassLoader(parent, p, path, true);
  -        // The intended result URLs:
  -        URL urlFromPath = new URL(FileUtils.newFileUtils().toURI(buildTestcases) + TEST_RESOURCE);
  -        URL urlFromParent = new URL("http://ant.apache.org/" + TEST_RESOURCE);
  -        assertEquals("correct resources (regular delegation order)",
  -            Arrays.asList(new URL[] {urlFromParent, urlFromPath}),
  -            enum2List(acl.getResources(TEST_RESOURCE)));
  -        acl = new AntClassLoader(parent, p, path, false);
  -        assertEquals("correct resources (reverse delegation order)",
  -            Arrays.asList(new URL[] {urlFromPath, urlFromParent}),
  -            enum2List(acl.getResources(TEST_RESOURCE)));
  -    }
  -    
  -    private static List enum2List(Enumeration e) {
  -        // JDK 1.4: return Collections.list(e);
  -        List l = new ArrayList();
  -        while (e.hasMoreElements()) {
  -            l.add(e.nextElement());
  -        }
  -        return l;
  -    }
  -    
  -    /** Special loader that just knows how to find TEST_RESOURCE. */
  -    private static final class ParentLoader extends ClassLoader {
  -        
  -        public ParentLoader() {}
  -        
  -        protected Enumeration findResources(String name) throws IOException {
  -            if (name.equals(TEST_RESOURCE)) {
  -                return Collections.enumeration(Collections.singleton(new URL("http://ant.apache.org/"
+ name)));
  -            } else {
  -                return Collections.enumeration(Collections.EMPTY_SET);
  -            }
  -        }
  -        
  -    }
  -    
   }
  
  
  
  1.1                  ant/src/testcases/org/apache/tools/ant/AntClassLoaderDelegationTest.java
  
  Index: AntClassLoaderDelegationTest.java
  ===================================================================
  /*
   * Copyright  2004 The Apache Software Foundation
   *
   *  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.
   *
   */
  
  package org.apache.tools.ant;
  
  import java.io.File;
  import java.io.IOException;
  import java.net.URL;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.Enumeration;
  import java.util.List;
  import junit.framework.TestCase;
  import org.apache.tools.ant.BuildException;
  import org.apache.tools.ant.Project;
  import org.apache.tools.ant.types.Path;
  import org.apache.tools.ant.util.FileUtils;
  
  /**
   * Test case for ant class loader
   *
   */
  public class AntClassLoaderDelegationTest extends TestCase {
  
      private Project p;
  
      public AntClassLoaderDelegationTest(String name) {
          super(name);
      }
  
      public void setUp() {
          p = new Project();
          p.init();
      }
  
      /** Sample resource present in build/testcases/ */
      private static final String TEST_RESOURCE = "org/apache/tools/ant/IncludeTest.class";
      
      public void testFindResources() throws Exception {
          //System.err.println("loading from: " + AntClassLoader.class.getProtectionDomain().getCodeSource().getLocation());
          // See bug #30161.
          // This path should contain the class files for these testcases:
          String buildTestcases = System.getProperty("build.tests");
          assertNotNull("defined ${build.tests}", buildTestcases);
          assertTrue("have a dir " + buildTestcases, new File(buildTestcases).isDirectory());
          Path path = new Path(p, buildTestcases);
          // A special parent loader which is not the system class loader:
          ClassLoader parent = new ParentLoader();
          // An AntClassLoader which is supposed to delegate to the parent and then to the
disk path:
          ClassLoader acl = new AntClassLoader(parent, p, path, true);
          // The intended result URLs:
          URL urlFromPath = new URL(FileUtils.newFileUtils().toURI(buildTestcases) + TEST_RESOURCE);
          URL urlFromParent = new URL("http://ant.apache.org/" + TEST_RESOURCE);
          assertEquals("correct resources (regular delegation order)",
              Arrays.asList(new URL[] {urlFromParent, urlFromPath}),
              enum2List(acl.getResources(TEST_RESOURCE)));
          acl = new AntClassLoader(parent, p, path, false);
          assertEquals("correct resources (reverse delegation order)",
              Arrays.asList(new URL[] {urlFromPath, urlFromParent}),
              enum2List(acl.getResources(TEST_RESOURCE)));
      }
      
      private static List enum2List(Enumeration e) {
          // JDK 1.4: return Collections.list(e);
          List l = new ArrayList();
          while (e.hasMoreElements()) {
              l.add(e.nextElement());
          }
          return l;
      }
      
      /** Special loader that just knows how to find TEST_RESOURCE. */
      private static final class ParentLoader extends ClassLoader {
          
          public ParentLoader() {}
          
          protected Enumeration findResources(String name) throws IOException {
              if (name.equals(TEST_RESOURCE)) {
                  return Collections.enumeration(Collections.singleton(new URL("http://ant.apache.org/"
+ name)));
              } else {
                  return Collections.enumeration(Collections.EMPTY_SET);
              }
          }
          
      }
      
  }
  
  
  

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