PluginsNegativeTest.java revision 14869:f0bdc4ddb086 
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.List;
36import java.util.Map;
37
38import jdk.tools.jlink.internal.ImagePluginConfiguration;
39import jdk.tools.jlink.internal.PluginRepository;
40import jdk.tools.jlink.internal.ImagePluginStack;
41import jdk.tools.jlink.internal.ModulePoolImpl;
42import jdk.tools.jlink.Jlink;
43import jdk.tools.jlink.Jlink.PluginsConfiguration;
44import jdk.tools.jlink.plugin.Plugin;
45import jdk.tools.jlink.plugin.ModuleEntry;
46import jdk.tools.jlink.plugin.ModulePool;
47import jdk.tools.jlink.plugin.TransformerPlugin;
48
49public 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        ModulePoolImpl inResources = new ModulePoolImpl();
100        inResources.add(ModuleEntry.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        ModulePoolImpl inResources = new ModulePoolImpl();
114        ModulePoolImpl outResources = (ModulePoolImpl) 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 TransformerPlugin {
121
122        private final String name;
123
124        CustomPlugin(String name) {
125            this.name = name;
126        }
127
128        @Override
129        public void visit(ModulePool inResources, ModulePool outResources) {
130            // do nothing
131        }
132
133        @Override
134        public String getName() {
135            return name;
136        }
137
138        @Override
139        public String getDescription() {
140            return null;
141        }
142
143        @Override
144        public void configure(Map<String, String> config) {
145
146        }
147    }
148}
149