1 /*
   2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24  /*
  25  * @test
  26  * @summary Negative test for ImagePluginStack.
  27  * @author Andrei Eremeev
  28  * @modules jdk.jlink/jdk.tools.jlink.internal
  29  *          jdk.jlink/jdk.tools.jlink
  30  * @run main/othervm PluginsNegativeTest
  31  */
  32 import java.lang.reflect.Layer;
  33 import java.util.ArrayList;
  34 import java.util.Collections;
  35 import java.util.List;
  36 import java.util.Map;
  37 
  38 import jdk.tools.jlink.internal.ImagePluginConfiguration;
  39 import jdk.tools.jlink.internal.Jlink;
  40 import jdk.tools.jlink.internal.Jlink.PluginsConfiguration;
  41 import jdk.tools.jlink.internal.PluginRepository;
  42 import jdk.tools.jlink.internal.ImagePluginStack;
  43 import jdk.tools.jlink.internal.ResourcePoolManager;
  44 import jdk.tools.jlink.plugin.Plugin;
  45 import jdk.tools.jlink.plugin.ResourcePool;
  46 import jdk.tools.jlink.plugin.ResourcePoolBuilder;
  47 import jdk.tools.jlink.plugin.ResourcePoolEntry;
  48 
  49 public class PluginsNegativeTest {
  50 
  51     public static void main(String[] args) throws Exception {
  52         new PluginsNegativeTest().test();
  53     }
  54 
  55     public void test() throws Exception {
  56         testDuplicateBuiltInProviders();
  57         testUnknownProvider();
  58         PluginRepository.registerPlugin(new CustomPlugin("plugin"));
  59         testEmptyInputResource();
  60         testEmptyOutputResource();
  61     }
  62 
  63     private void testDuplicateBuiltInProviders() {
  64         List<Plugin> javaPlugins = new ArrayList<>();
  65         javaPlugins.addAll(PluginRepository.getPlugins(Layer.boot()));
  66         for (Plugin javaPlugin : javaPlugins) {
  67             System.out.println("Registered plugin: " + javaPlugin.getName());
  68         }
  69         for (Plugin javaPlugin : javaPlugins) {
  70             String pluginName = javaPlugin.getName();
  71             try {
  72                 PluginRepository.registerPlugin(new CustomPlugin(pluginName));
  73                 try {
  74                     PluginRepository.getPlugin(pluginName, Layer.boot());
  75                     throw new AssertionError("Exception is not thrown for duplicate plugin: " + pluginName);
  76                 } catch (Exception ignored) {
  77                 }
  78             } finally {
  79                 PluginRepository.unregisterPlugin(pluginName);
  80             }
  81         }
  82     }
  83 
  84     private void testUnknownProvider() {
  85         if (PluginRepository.getPlugin("unknown", Layer.boot()) != null) {
  86             throw new AssertionError("Exception expected for unknown plugin name");
  87         }
  88     }
  89 
  90     private static Plugin createPlugin(String name) {
  91         return Jlink.newPlugin(name, Collections.emptyMap(), null);
  92     }
  93 
  94     private void testEmptyOutputResource() throws Exception {
  95         List<Plugin> plugins = new ArrayList<>();
  96         plugins.add(createPlugin("plugin"));
  97         ImagePluginStack stack = ImagePluginConfiguration.parseConfiguration(new PluginsConfiguration(plugins,
  98                 null, null));
  99         ResourcePoolManager inResources = new ResourcePoolManager();
 100         inResources.add(ResourcePoolEntry.create("/aaa/bbb/A", new byte[10]));
 101         try {
 102             stack.visitResources(inResources);
 103             throw new AssertionError("Exception expected when output resource is empty");
 104         } catch (Exception ignored) {
 105         }
 106     }
 107 
 108     private void testEmptyInputResource() throws Exception {
 109         List<Plugin> plugins = new ArrayList<>();
 110         plugins.add(createPlugin("plugin"));
 111         ImagePluginStack stack = ImagePluginConfiguration.parseConfiguration(new PluginsConfiguration(plugins,
 112                 null, null));
 113         ResourcePoolManager inResources = new ResourcePoolManager();
 114         ResourcePool outResources = stack.visitResources(inResources);
 115         if (!outResources.isEmpty()) {
 116             throw new AssertionError("Output resource is not empty");
 117         }
 118     }
 119 
 120     public static class CustomPlugin implements Plugin {
 121 
 122         private final String name;
 123 
 124         CustomPlugin(String name) {
 125             this.name = name;
 126         }
 127 
 128         @Override
 129         public ResourcePool transform(ResourcePool inResources, ResourcePoolBuilder outResources) {
 130             // don't add anything to the builder
 131             return outResources.build();
 132         }
 133 
 134         @Override
 135         public String getName() {
 136             return name;
 137         }
 138 
 139         @Override
 140         public String getDescription() {
 141             return null;
 142         }
 143 
 144         @Override
 145         public void configure(Map<String, String> config) {
 146 
 147         }
 148     }
 149 }