PluginsNegativeTest.java revision 14440:4352ddb02f68 
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 */
32import java.lang.reflect.Layer;
33import java.util.ArrayList;
34import java.util.Collections;
35import java.util.HashSet;
36import java.util.List;
37import java.util.Map;
38import java.util.Set;
39
40import jdk.tools.jlink.internal.ImagePluginConfiguration;
41import jdk.tools.jlink.internal.PluginRepository;
42import jdk.tools.jlink.internal.ImagePluginStack;
43import jdk.tools.jlink.internal.ModulePoolImpl;
44import jdk.tools.jlink.Jlink;
45import jdk.tools.jlink.Jlink.PluginsConfiguration;
46import jdk.tools.jlink.plugin.Plugin;
47import jdk.tools.jlink.plugin.ModuleEntry;
48import jdk.tools.jlink.plugin.ModulePool;
49import jdk.tools.jlink.plugin.TransformerPlugin;
50
51public class PluginsNegativeTest {
52
53    public static void main(String[] args) throws Exception {
54        new PluginsNegativeTest().test();
55    }
56
57    public void test() throws Exception {
58        testDuplicateBuiltInProviders();
59        testUnknownProvider();
60        PluginRepository.registerPlugin(new CustomPlugin("plugin"));
61        testEmptyInputResource();
62        testEmptyOutputResource();
63    }
64
65    private void testDuplicateBuiltInProviders() {
66        List<Plugin> javaPlugins = new ArrayList<>();
67        javaPlugins.addAll(PluginRepository.getPlugins(Layer.boot()));
68        for (Plugin javaPlugin : javaPlugins) {
69            System.out.println("Registered plugin: " + javaPlugin.getName());
70        }
71        for (Plugin javaPlugin : javaPlugins) {
72            String pluginName = javaPlugin.getName();
73            try {
74                PluginRepository.registerPlugin(new CustomPlugin(pluginName));
75                try {
76                    PluginRepository.getPlugin(pluginName, Layer.boot());
77                    throw new AssertionError("Exception is not thrown for duplicate plugin: " + pluginName);
78                } catch (Exception ignored) {
79                }
80            } finally {
81                PluginRepository.unregisterPlugin(pluginName);
82            }
83        }
84    }
85
86    private void testUnknownProvider() {
87        if (PluginRepository.getPlugin("unknown", Layer.boot()) != null) {
88            throw new AssertionError("Exception expected for unknown plugin name");
89        }
90    }
91
92    private static Plugin createPlugin(String name) {
93        return Jlink.newPlugin(name, Collections.emptyMap(), null);
94    }
95
96    private void testEmptyOutputResource() throws Exception {
97        List<Plugin> plugins = new ArrayList<>();
98        plugins.add(createPlugin("plugin"));
99        ImagePluginStack stack = ImagePluginConfiguration.parseConfiguration(new PluginsConfiguration(plugins,
100                null, null));
101        ModulePoolImpl inResources = new ModulePoolImpl();
102        inResources.add(ModuleEntry.create("/aaa/bbb/A", new byte[10]));
103        try {
104            stack.visitResources(inResources);
105            throw new AssertionError("Exception expected when output resource is empty");
106        } catch (Exception ignored) {
107        }
108    }
109
110    private void testEmptyInputResource() throws Exception {
111        List<Plugin> plugins = new ArrayList<>();
112        plugins.add(createPlugin("plugin"));
113        ImagePluginStack stack = ImagePluginConfiguration.parseConfiguration(new PluginsConfiguration(plugins,
114                null, null));
115        ModulePoolImpl inResources = new ModulePoolImpl();
116        ModulePoolImpl outResources = (ModulePoolImpl) stack.visitResources(inResources);
117        if (!outResources.isEmpty()) {
118            throw new AssertionError("Output resource is not empty");
119        }
120    }
121
122    public static class CustomPlugin implements TransformerPlugin {
123
124        private final String name;
125
126        CustomPlugin(String name) {
127            this.name = name;
128        }
129
130        @Override
131        public void visit(ModulePool inResources, ModulePool outResources) {
132            // do nothing
133        }
134
135        @Override
136        public String getName() {
137            return name;
138        }
139
140        @Override
141        public Set<Category> getType() {
142            Set<Category> set = new HashSet<>();
143            set.add(Category.TRANSFORMER);
144            return Collections.unmodifiableSet(set);
145        }
146
147        @Override
148        public String getDescription() {
149            return null;
150        }
151
152        @Override
153        public void configure(Map<String, String> config) {
154
155        }
156    }
157}
158