author | mchung |
Wed, 12 Oct 2016 15:41:00 -0700 | |
changeset 41484 | 834b7539ada3 |
parent 40261 | 86a49ba76f52 |
child 41817 | b90ad1de93ea |
permissions | -rw-r--r-- |
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/** |
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* Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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* @test |
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* @summary Test the recording and checking of module hashes |
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* @author Andrei Eremeev |
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* @library /lib/testlibrary |
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* @modules java.base/jdk.internal.module |
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* jdk.jlink |
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* jdk.compiler |
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* @build CompilerUtils |
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* @run testng HashesTest |
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*/ |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.lang.module.ModuleDescriptor; |
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import java.lang.module.ModuleFinder; |
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import java.lang.module.ModuleReader; |
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import java.lang.module.ModuleReference; |
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import java.lang.reflect.Method; |
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import java.nio.file.FileVisitResult; |
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import java.nio.file.Files; |
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import java.nio.file.Path; |
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import java.nio.file.Paths; |
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import java.nio.file.SimpleFileVisitor; |
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import java.nio.file.attribute.BasicFileAttributes; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.Collections; |
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import java.util.List; |
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import java.util.Optional; |
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import java.util.Set; |
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import java.util.spi.ToolProvider; |
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import java.util.stream.Collectors; |
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import jdk.internal.module.ConfigurableModuleFinder; |
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import jdk.internal.module.ModuleHashes; |
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import org.testng.annotations.BeforeTest; |
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import org.testng.annotations.Test; |
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import static org.testng.Assert.*; |
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public class HashesTest { |
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static final ToolProvider JMOD_TOOL = ToolProvider.findFirst("jmod") |
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.orElseThrow(() -> |
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new RuntimeException("jmod tool not found") |
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); |
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private final Path testSrc = Paths.get(System.getProperty("test.src")); |
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private final Path modSrc = testSrc.resolve("src"); |
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private final Path mods = Paths.get("mods"); |
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private final Path jmods = Paths.get("jmods"); |
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private final String[] modules = new String[] { "m1", "m2", "m3"}; |
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private static Method hashesMethod; |
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@BeforeTest |
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private void setup() throws Exception { |
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if (Files.exists(jmods)) { |
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deleteDirectory(jmods); |
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} |
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Files.createDirectories(jmods); |
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// build m2, m3 required by m1 |
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compileModule("m2", modSrc); |
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jmod("m2"); |
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compileModule("m3", modSrc); |
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jmod("m3"); |
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// build m1 |
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compileModule("m1", modSrc); |
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// no hash is recorded since m1 has outgoing edges |
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jmod("m1", "--module-path", jmods.toString(), "--hash-modules", ".*"); |
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// compile org.bar and org.foo |
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compileModule("org.bar", modSrc); |
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compileModule("org.foo", modSrc); |
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try { |
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hashesMethod = ModuleDescriptor.class.getDeclaredMethod("hashes"); |
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hashesMethod.setAccessible(true); |
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} catch (ReflectiveOperationException x) { |
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throw new InternalError(x); |
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} |
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} |
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@Test |
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public void test() throws Exception { |
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for (String mn : modules) { |
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assertFalse(hashes(mn).isPresent()); |
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} |
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// hash m1 in m2 |
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jmod("m2", "--module-path", jmods.toString(), "--hash-modules", "m1"); |
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checkHashes(hashes("m2").get(), "m1"); |
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// hash m1 in m2 |
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jmod("m2", "--module-path", jmods.toString(), "--hash-modules", ".*"); |
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checkHashes(hashes("m2").get(), "m1"); |
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// create m2.jmod with no hash |
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jmod("m2"); |
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// run jmod hash command to hash m1 in m2 and m3 |
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runJmod(Arrays.asList("hash", "--module-path", jmods.toString(), |
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"--hash-modules", ".*")); |
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checkHashes(hashes("m2").get(), "m1"); |
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checkHashes(hashes("m3").get(), "m1"); |
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jmod("org.bar"); |
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jmod("org.foo"); |
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jmod("org.bar", "--module-path", jmods.toString(), "--hash-modules", "org.*"); |
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checkHashes(hashes("org.bar").get(), "org.foo"); |
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jmod("m3", "--module-path", jmods.toString(), "--hash-modules", ".*"); |
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checkHashes(hashes("m3").get(), "org.foo", "org.bar", "m1"); |
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} |
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private void checkHashes(ModuleHashes hashes, String... hashModules) { |
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assertTrue(hashes.names().equals(Set.of(hashModules))); |
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} |
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private Optional<ModuleHashes> hashes(String name) throws Exception { |
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ModuleFinder finder = ModuleFinder.of(jmods.resolve(name + ".jmod")); |
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if (finder instanceof ConfigurableModuleFinder) { |
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((ConfigurableModuleFinder) finder) |
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.configurePhase(ConfigurableModuleFinder.Phase.LINK_TIME); |
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} |
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ModuleReference mref = finder.find(name).orElseThrow(RuntimeException::new); |
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ModuleReader reader = mref.open(); |
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try (InputStream in = reader.open("module-info.class").get()) { |
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ModuleDescriptor md = ModuleDescriptor.read(in); |
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Optional<ModuleHashes> hashes = |
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(Optional<ModuleHashes>) hashesMethod.invoke(md); |
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System.out.format("hashes in module %s %s%n", name, |
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hashes.isPresent() ? "present" : "absent"); |
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if (hashes.isPresent()) { |
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hashes.get().names().stream() |
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.sorted() |
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.forEach(n -> System.out.format(" %s %s%n", n, hashes.get().hashFor(n))); |
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} |
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return hashes; |
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} finally { |
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reader.close(); |
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} |
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} |
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private void deleteDirectory(Path dir) throws IOException { |
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Files.walkFileTree(dir, new SimpleFileVisitor<Path>() { |
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@Override |
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public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) |
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throws IOException |
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{ |
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Files.delete(file); |
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return FileVisitResult.CONTINUE; |
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} |
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@Override |
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public FileVisitResult postVisitDirectory(Path dir, IOException exc) |
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throws IOException |
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{ |
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Files.delete(dir); |
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return FileVisitResult.CONTINUE; |
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} |
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}); |
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} |
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private void compileModule(String moduleName, Path src) throws IOException { |
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Path msrc = src.resolve(moduleName); |
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assertTrue(CompilerUtils.compile(msrc, mods, "--module-source-path", src.toString())); |
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} |
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private void jmod(String moduleName, String... options) throws IOException { |
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Path mclasses = mods.resolve(moduleName); |
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Path outfile = jmods.resolve(moduleName + ".jmod"); |
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List<String> args = new ArrayList<>(); |
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args.add("create"); |
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Collections.addAll(args, options); |
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Collections.addAll(args, "--class-path", mclasses.toString(), |
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outfile.toString()); |
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if (Files.exists(outfile)) |
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Files.delete(outfile); |
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runJmod(args); |
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} |
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private void runJmod(List<String> args) { |
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int rc = JMOD_TOOL.run(System.out, System.out, args.toArray(new String[args.size()])); |
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System.out.println("jmod options: " + args.stream().collect(Collectors.joining(" "))); |
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if (rc != 0) { |
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throw new AssertionError("Jmod failed: rc = " + rc); |
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} |
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} |
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} |