/* * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @summary Tests jdeps --gen-module-info option * @library ../lib * @build CompilerUtils JdepsUtil * @modules jdk.jdeps/com.sun.tools.jdeps * @run testng GenModuleInfo */ import java.io.*; import java.lang.module.ModuleDescriptor; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import java.util.Arrays; import java.util.Set; import java.util.stream.Collectors; import java.util.stream.Stream; import org.testng.annotations.BeforeTest; import org.testng.annotations.Test; import static org.testng.Assert.assertEquals; import static org.testng.Assert.assertTrue; public class GenModuleInfo { private static final String MODULE_INFO = "module-info.class"; private static final String TEST_SRC = System.getProperty("test.src"); private static final String TEST_CLASSES = System.getProperty("test.classes"); private static final Path SRC_DIR = Paths.get(TEST_SRC, "src"); private static final Path MODS_DIR = Paths.get("mods"); private static final Path LIBS_DIR = Paths.get("libs"); private static final Path DEST_DIR = Paths.get("moduleinfosrc"); private static final Path NEW_MODS_DIR = Paths.get("new_mods"); // the names of the modules in this test private static final String UNSUPPORTED = "unsupported"; private static String[] modules = new String[] {"m1", "m2", "m3", UNSUPPORTED}; /** * Compiles all modules used by the test */ @BeforeTest public void compileAll() throws Exception { CompilerUtils.cleanDir(MODS_DIR); CompilerUtils.cleanDir(LIBS_DIR); CompilerUtils.cleanDir(DEST_DIR); CompilerUtils.cleanDir(NEW_MODS_DIR); assertTrue(CompilerUtils.compileModule(SRC_DIR, MODS_DIR, UNSUPPORTED, "--add-exports", "java.base/jdk.internal.perf=" + UNSUPPORTED)); Arrays.asList("m1", "m2", "m3") .forEach(mn -> assertTrue(CompilerUtils.compileModule(SRC_DIR, MODS_DIR, mn))); Files.createDirectory(LIBS_DIR); Files.createDirectory(DEST_DIR); for (String mn : modules) { Path root = MODS_DIR.resolve(mn); try (Stream stream = Files.walk(root, Integer.MAX_VALUE)) { Stream entries = stream.filter(f -> { String fn = f.getFileName().toString(); return fn.endsWith(".class") && !fn.equals("module-info.class"); }); JdepsUtil.createJar(LIBS_DIR.resolve(mn + ".jar"), root, entries); } } } @Test public void jdeps() throws IOException { Stream files = Arrays.stream(modules) .map(mn -> LIBS_DIR.resolve(mn + ".jar")) .map(Path::toString); JdepsUtil.jdeps(Stream.concat(Stream.of("-cp"), files).toArray(String[]::new)); } @Test public void test() throws IOException { Stream files = Arrays.stream(modules) .map(mn -> LIBS_DIR.resolve(mn + ".jar")) .map(Path::toString); JdepsUtil.jdeps(Stream.concat(Stream.of("--gen-module-info", DEST_DIR.toString()), files).toArray(String[]::new)); // check file exists Arrays.stream(modules) .map(mn -> DEST_DIR.resolve(mn).resolve("module-info.java")) .forEach(f -> assertTrue(Files.exists(f))); // copy classes except the original module-info.class try (Stream stream = Files.walk(MODS_DIR, Integer.MAX_VALUE)) { stream.filter(path -> !path.getFileName().toString().equals(MODULE_INFO) && path.getFileName().toString().endsWith(".class")) .map(path -> MODS_DIR.relativize(path)) .forEach(path -> { try { Path newFile = NEW_MODS_DIR.resolve(path); Files.createDirectories(newFile.getParent()); Files.copy(MODS_DIR.resolve(path), newFile); } catch (IOException e) { throw new UncheckedIOException(e); } }); } // compile new module-info.java assertTrue(CompilerUtils.compileModule(DEST_DIR, NEW_MODS_DIR, UNSUPPORTED, "-p", NEW_MODS_DIR.toString(), "-verbose", "--add-exports", "java.base/jdk.internal.perf=" + UNSUPPORTED)); Arrays.asList("m1", "m2", "m3") .forEach(mn -> assertTrue(CompilerUtils.compileModule(DEST_DIR, NEW_MODS_DIR, mn, "-p", NEW_MODS_DIR.toString()))); for (String mn : modules) { Path p1 = NEW_MODS_DIR.resolve(mn).resolve(MODULE_INFO); Path p2 = MODS_DIR.resolve(mn).resolve(MODULE_INFO); try (InputStream in1 = Files.newInputStream(p1); InputStream in2 = Files.newInputStream(p2)) { verify(ModuleDescriptor.read(in1), ModuleDescriptor.read(in2, () -> packages(MODS_DIR.resolve(mn)))); } } } private void verify(ModuleDescriptor md1, ModuleDescriptor md2) { System.out.println("verifying: " + md1.name()); assertEquals(md1.name(), md2.name()); assertEquals(md1.requires(), md2.requires()); // all packages are exported assertEquals(md1.exports().stream() .map(ModuleDescriptor.Exports::source) .collect(Collectors.toSet()), md2.packages()); } private Set packages(Path dir) { try (Stream stream = Files.find(dir, Integer.MAX_VALUE, ((path, attrs) -> attrs.isRegularFile() && path.toString().endsWith(".class")))) { return stream.map(path -> toPackageName(dir.relativize(path))) .filter(pkg -> pkg.length() > 0) // module-info .distinct() .collect(Collectors.toSet()); } catch (IOException x) { throw new UncheckedIOException(x); } } private String toPackageName(Path path) { String name = path.toString(); assert name.endsWith(".class"); int index = name.lastIndexOf(File.separatorChar); if (index != -1) { return name.substring(0, index).replace(File.separatorChar, '.'); } else { return ""; } } }