1 /*
2 * Copyright (c) 2016, 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 Tests jdeps --gen-module-info option
27 * @library ../lib
28 * @build CompilerUtils JdepsUtil
29 * @modules jdk.jdeps/com.sun.tools.jdeps
30 * @run testng GenModuleInfo
31 */
32
33 import java.io.*;
34 import java.lang.module.ModuleDescriptor;
35
36 import java.nio.file.Files;
37 import java.nio.file.Path;
38 import java.nio.file.Paths;
39
40 import java.util.Arrays;
41 import java.util.Set;
42 import java.util.stream.Collectors;
43 import java.util.stream.Stream;
44
45 import org.testng.annotations.BeforeTest;
46 import org.testng.annotations.Test;
47
48 import static org.testng.Assert.assertEquals;
49 import static org.testng.Assert.assertTrue;
50
51 public class GenModuleInfo {
52 private static final String MODULE_INFO = "module-info.class";
53 private static final String TEST_SRC = System.getProperty("test.src");
54 private static final String TEST_CLASSES = System.getProperty("test.classes");
55
56 private static final Path SRC_DIR = Paths.get(TEST_SRC, "src");
57 private static final Path MODS_DIR = Paths.get("mods");
58 private static final Path LIBS_DIR = Paths.get("libs");
59 private static final Path DEST_DIR = Paths.get("moduleinfosrc");
60 private static final Path NEW_MODS_DIR = Paths.get("new_mods");
61
62 // the names of the modules in this test
63 private static final String UNSUPPORTED = "unsupported";
64 private static String[] modules = new String[] {"m1", "m2", "m3", UNSUPPORTED};
65 /**
66 * Compiles all modules used by the test
67 */
68 @BeforeTest
69 public void compileAll() throws Exception {
70 CompilerUtils.cleanDir(MODS_DIR);
71 CompilerUtils.cleanDir(LIBS_DIR);
72 CompilerUtils.cleanDir(DEST_DIR);
73 CompilerUtils.cleanDir(NEW_MODS_DIR);
74
75 assertTrue(CompilerUtils.compileModule(SRC_DIR, MODS_DIR, UNSUPPORTED,
76 "--add-exports", "java.base/jdk.internal.perf=" + UNSUPPORTED));
77 Arrays.asList("m1", "m2", "m3")
78 .forEach(mn -> assertTrue(CompilerUtils.compileModule(SRC_DIR, MODS_DIR, mn)));
79
80 Files.createDirectory(LIBS_DIR);
81 Files.createDirectory(DEST_DIR);
82
83 for (String mn : modules) {
84 Path root = MODS_DIR.resolve(mn);
85 try (Stream<Path> stream = Files.walk(root, Integer.MAX_VALUE)) {
86 Stream<Path> entries = stream.filter(f -> {
87 String fn = f.getFileName().toString();
88 return fn.endsWith(".class") && !fn.equals("module-info.class");
89 });
90 JdepsUtil.createJar(LIBS_DIR.resolve(mn + ".jar"), root, entries);
91 }
92 }
93 }
94
95 @Test
96 public void jdeps() throws IOException {
97 Stream<String> files = Arrays.stream(modules)
98 .map(mn -> LIBS_DIR.resolve(mn + ".jar"))
99 .map(Path::toString);
100 JdepsUtil.jdeps(Stream.concat(Stream.of("-cp"), files).toArray(String[]::new));
101 }
102
103 @Test
104 public void test() throws IOException {
105 Stream<String> files = Arrays.stream(modules)
106 .map(mn -> LIBS_DIR.resolve(mn + ".jar"))
107 .map(Path::toString);
108
109 JdepsUtil.jdeps(Stream.concat(Stream.of("--gen-module-info", DEST_DIR.toString()),
110 files).toArray(String[]::new));
111
112 // check file exists
113 Arrays.stream(modules)
114 .map(mn -> DEST_DIR.resolve(mn).resolve("module-info.java"))
115 .forEach(f -> assertTrue(Files.exists(f)));
116
117 // copy classes except the original module-info.class
118 try (Stream<Path> stream = Files.walk(MODS_DIR, Integer.MAX_VALUE)) {
119 stream.filter(path -> !path.getFileName().toString().equals(MODULE_INFO) &&
120 path.getFileName().toString().endsWith(".class"))
121 .map(path -> MODS_DIR.relativize(path))
122 .forEach(path -> {
123 try {
124 Path newFile = NEW_MODS_DIR.resolve(path);
125 Files.createDirectories(newFile.getParent());
126 Files.copy(MODS_DIR.resolve(path), newFile);
127 } catch (IOException e) {
128 throw new UncheckedIOException(e);
129 }
130 });
131 }
132
133 // compile new module-info.java
134 assertTrue(CompilerUtils.compileModule(DEST_DIR, NEW_MODS_DIR, UNSUPPORTED,
135 "-p", NEW_MODS_DIR.toString(), "-verbose",
136 "--add-exports", "java.base/jdk.internal.perf=" + UNSUPPORTED));
137 Arrays.asList("m1", "m2", "m3")
138 .forEach(mn -> assertTrue(CompilerUtils.compileModule(DEST_DIR, NEW_MODS_DIR,
139 mn, "-p", NEW_MODS_DIR.toString())));
140
141 for (String mn : modules) {
142 Path p1 = NEW_MODS_DIR.resolve(mn).resolve(MODULE_INFO);
143 Path p2 = MODS_DIR.resolve(mn).resolve(MODULE_INFO);
144
145 try (InputStream in1 = Files.newInputStream(p1);
146 InputStream in2 = Files.newInputStream(p2)) {
147 verify(ModuleDescriptor.read(in1),
148 ModuleDescriptor.read(in2, () -> packages(MODS_DIR.resolve(mn))));
149 }
150 }
151 }
152
153 private void verify(ModuleDescriptor md1, ModuleDescriptor md2) {
154 System.out.println("verifying: " + md1.name());
155 assertEquals(md1.name(), md2.name());
156 assertEquals(md1.requires(), md2.requires());
157 // all packages are exported
158 assertEquals(md1.exports().stream()
159 .map(ModuleDescriptor.Exports::source)
160 .collect(Collectors.toSet()), md2.packages());
161 }
162
163 private Set<String> packages(Path dir) {
164 try (Stream<Path> stream = Files.find(dir, Integer.MAX_VALUE,
165 ((path, attrs) -> attrs.isRegularFile() &&
166 path.toString().endsWith(".class")))) {
167 return stream.map(path -> toPackageName(dir.relativize(path)))
168 .filter(pkg -> pkg.length() > 0) // module-info
169 .distinct()
170 .collect(Collectors.toSet());
171 } catch (IOException x) {
172 throw new UncheckedIOException(x);
173 }
174 }
175
176 private String toPackageName(Path path) {
177 String name = path.toString();
178 assert name.endsWith(".class");
179 int index = name.lastIndexOf(File.separatorChar);
180 if (index != -1) {
181 return name.substring(0, index).replace(File.separatorChar, '.');
182 } else {
183 return "";
184 }
185 }
186
187 }