Alan Bateman | 36e0820 | 2016-05-03 09:09:57 +0100 | [diff] [blame^] | 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 Test the recording and checking of module hashes |
| 27 | * @author Andrei Eremeev |
| 28 | * @library /lib/testlibrary |
| 29 | * @modules java.base/jdk.internal.module |
| 30 | * jdk.jlink/jdk.tools.jlink.internal |
| 31 | * jdk.jlink/jdk.tools.jmod |
| 32 | * jdk.compiler |
| 33 | * @build CompilerUtils |
| 34 | * @run testng HashesTest |
| 35 | */ |
| 36 | |
| 37 | import java.io.IOException; |
| 38 | import java.io.InputStream; |
| 39 | import java.lang.module.ModuleDescriptor; |
| 40 | import java.lang.module.ModuleFinder; |
| 41 | import java.lang.module.ModuleReader; |
| 42 | import java.lang.module.ModuleReference; |
| 43 | import java.lang.reflect.Method; |
| 44 | import java.nio.file.FileVisitResult; |
| 45 | import java.nio.file.Files; |
| 46 | import java.nio.file.Path; |
| 47 | import java.nio.file.Paths; |
| 48 | import java.nio.file.SimpleFileVisitor; |
| 49 | import java.nio.file.attribute.BasicFileAttributes; |
| 50 | import java.util.ArrayList; |
| 51 | import java.util.Arrays; |
| 52 | import java.util.Collections; |
| 53 | import java.util.List; |
| 54 | import java.util.Optional; |
| 55 | import java.util.Set; |
| 56 | import java.util.stream.Collectors; |
| 57 | |
| 58 | import jdk.internal.module.ConfigurableModuleFinder; |
| 59 | import jdk.internal.module.ModuleHashes; |
| 60 | import org.testng.annotations.BeforeTest; |
| 61 | import org.testng.annotations.Test; |
| 62 | |
| 63 | import static org.testng.Assert.*; |
| 64 | |
| 65 | public class HashesTest { |
| 66 | |
| 67 | private final Path testSrc = Paths.get(System.getProperty("test.src")); |
| 68 | private final Path modSrc = testSrc.resolve("src"); |
| 69 | private final Path mods = Paths.get("mods"); |
| 70 | private final Path jmods = Paths.get("jmods"); |
| 71 | private final String[] modules = new String[] { "m1", "m2", "m3"}; |
| 72 | |
| 73 | private static Method hashesMethod; |
| 74 | @BeforeTest |
| 75 | private void setup() throws Exception { |
| 76 | if (Files.exists(jmods)) { |
| 77 | deleteDirectory(jmods); |
| 78 | } |
| 79 | Files.createDirectories(jmods); |
| 80 | |
| 81 | // build m2, m3 required by m1 |
| 82 | compileModule("m2", modSrc); |
| 83 | jmod("m2"); |
| 84 | |
| 85 | compileModule("m3", modSrc); |
| 86 | jmod("m3"); |
| 87 | |
| 88 | // build m1 |
| 89 | compileModule("m1", modSrc); |
| 90 | // no hash is recorded since m1 has outgoing edges |
| 91 | jmod("m1", "--modulepath", jmods.toString(), "--hash-modules", ".*"); |
| 92 | |
| 93 | // compile org.bar and org.foo |
| 94 | compileModule("org.bar", modSrc); |
| 95 | compileModule("org.foo", modSrc); |
| 96 | |
| 97 | try { |
| 98 | hashesMethod = ModuleDescriptor.class.getDeclaredMethod("hashes"); |
| 99 | hashesMethod.setAccessible(true); |
| 100 | } catch (ReflectiveOperationException x) { |
| 101 | throw new InternalError(x); |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | @Test |
| 106 | public void test() throws Exception { |
| 107 | for (String mn : modules) { |
| 108 | assertFalse(hashes(mn).isPresent()); |
| 109 | } |
| 110 | |
| 111 | // hash m1 in m2 |
| 112 | jmod("m2", "--modulepath", jmods.toString(), "--hash-modules", "m1"); |
| 113 | checkHashes(hashes("m2").get(), "m1"); |
| 114 | |
| 115 | // hash m1 in m2 |
| 116 | jmod("m2", "--modulepath", jmods.toString(), "--hash-modules", ".*"); |
| 117 | checkHashes(hashes("m2").get(), "m1"); |
| 118 | |
| 119 | // create m2.jmod with no hash |
| 120 | jmod("m2"); |
| 121 | // run jmod hash command to hash m1 in m2 and m3 |
| 122 | runJmod(Arrays.asList("hash", "--modulepath", jmods.toString(), |
| 123 | "--hash-modules", ".*")); |
| 124 | checkHashes(hashes("m2").get(), "m1"); |
| 125 | checkHashes(hashes("m3").get(), "m1"); |
| 126 | |
| 127 | jmod("org.bar"); |
| 128 | jmod("org.foo"); |
| 129 | |
| 130 | jmod("org.bar", "--modulepath", jmods.toString(), "--hash-modules", "org.*"); |
| 131 | checkHashes(hashes("org.bar").get(), "org.foo"); |
| 132 | |
| 133 | jmod("m3", "--modulepath", jmods.toString(), "--hash-modules", ".*"); |
| 134 | checkHashes(hashes("m3").get(), "org.foo", "org.bar", "m1"); |
| 135 | } |
| 136 | |
| 137 | private void checkHashes(ModuleHashes hashes, String... hashModules) { |
| 138 | assertTrue(hashes.names().equals(Set.of(hashModules))); |
| 139 | } |
| 140 | |
| 141 | private Optional<ModuleHashes> hashes(String name) throws Exception { |
| 142 | ModuleFinder finder = ModuleFinder.of(jmods.resolve(name + ".jmod")); |
| 143 | if (finder instanceof ConfigurableModuleFinder) { |
| 144 | ((ConfigurableModuleFinder) finder) |
| 145 | .configurePhase(ConfigurableModuleFinder.Phase.LINK_TIME); |
| 146 | } |
| 147 | ModuleReference mref = finder.find(name).orElseThrow(RuntimeException::new); |
| 148 | ModuleReader reader = mref.open(); |
| 149 | try (InputStream in = reader.open("module-info.class").get()) { |
| 150 | ModuleDescriptor md = ModuleDescriptor.read(in); |
| 151 | Optional<ModuleHashes> hashes = |
| 152 | (Optional<ModuleHashes>) hashesMethod.invoke(md); |
| 153 | System.out.format("hashes in module %s %s%n", name, |
| 154 | hashes.isPresent() ? "present" : "absent"); |
| 155 | if (hashes.isPresent()) { |
| 156 | hashes.get().names().stream() |
| 157 | .sorted() |
| 158 | .forEach(n -> System.out.format(" %s %s%n", n, hashes.get().hashFor(n))); |
| 159 | } |
| 160 | return hashes; |
| 161 | } finally { |
| 162 | reader.close(); |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | private void deleteDirectory(Path dir) throws IOException { |
| 167 | Files.walkFileTree(dir, new SimpleFileVisitor<Path>() { |
| 168 | @Override |
| 169 | public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) |
| 170 | throws IOException |
| 171 | { |
| 172 | Files.delete(file); |
| 173 | return FileVisitResult.CONTINUE; |
| 174 | } |
| 175 | |
| 176 | @Override |
| 177 | public FileVisitResult postVisitDirectory(Path dir, IOException exc) |
| 178 | throws IOException |
| 179 | { |
| 180 | Files.delete(dir); |
| 181 | return FileVisitResult.CONTINUE; |
| 182 | } |
| 183 | }); |
| 184 | } |
| 185 | |
| 186 | private void compileModule(String moduleName, Path src) throws IOException { |
| 187 | Path msrc = src.resolve(moduleName); |
| 188 | assertTrue(CompilerUtils.compile(msrc, mods, "-modulesourcepath", src.toString())); |
| 189 | } |
| 190 | |
| 191 | private void jmod(String moduleName, String... options) throws IOException { |
| 192 | Path mclasses = mods.resolve(moduleName); |
| 193 | Path outfile = jmods.resolve(moduleName + ".jmod"); |
| 194 | List<String> args = new ArrayList<>(); |
| 195 | args.add("create"); |
| 196 | Collections.addAll(args, options); |
| 197 | Collections.addAll(args, "--class-path", mclasses.toString(), |
| 198 | outfile.toString()); |
| 199 | |
| 200 | if (Files.exists(outfile)) |
| 201 | Files.delete(outfile); |
| 202 | |
| 203 | runJmod(args); |
| 204 | } |
| 205 | |
| 206 | private void runJmod(List<String> args) { |
| 207 | int rc = jdk.tools.jmod.Main.run(args.toArray(new String[args.size()]), System.out); |
| 208 | System.out.println("jmod options: " + args.stream().collect(Collectors.joining(" "))); |
| 209 | if (rc != 0) { |
| 210 | throw new AssertionError("Jmod failed: rc = " + rc); |
| 211 | } |
| 212 | } |
| 213 | } |