| /* |
| * 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 --generate-module-info option |
| * @library ../lib |
| * @build CompilerUtils JdepsUtil JdepsRunner |
| * @modules jdk.jdeps/com.sun.tools.jdeps |
| * @run testng GenModuleInfo |
| */ |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.UncheckedIOException; |
| import java.lang.module.ModuleDescriptor; |
| |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| |
| import java.util.List; |
| 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 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 |
| public static final String UNSUPPORTED = "unsupported"; |
| public static final Set<String> MODULES = Set.of( |
| "mI", "mII", "mIII", "provider", UNSUPPORTED |
| ); |
| |
| /** |
| * Compile modules |
| */ |
| public static void compileModules(Path dest) { |
| assertTrue(CompilerUtils.compileModule(SRC_DIR, dest, UNSUPPORTED, |
| "--add-exports", "java.base/jdk.internal.perf=" + UNSUPPORTED)); |
| MODULES.stream() |
| .filter(mn -> !mn.equals(UNSUPPORTED)) |
| .forEach(mn -> assertTrue(CompilerUtils.compileModule(SRC_DIR, dest, mn))); |
| } |
| |
| /** |
| * Create JAR files with no module-info.class |
| */ |
| public static List<Path> createJARFiles(Path mods, Path libs) throws IOException { |
| Files.createDirectory(libs); |
| |
| for (String mn : MODULES) { |
| Path root = mods.resolve(mn); |
| Path msrc = SRC_DIR.resolve(mn); |
| Path metaInf = msrc.resolve("META-INF"); |
| if (Files.exists(metaInf)) { |
| try (Stream<Path> resources = Files.find(metaInf, Integer.MAX_VALUE, |
| (p, attr) -> { return attr.isRegularFile();})) { |
| resources.forEach(file -> { |
| try { |
| Path path = msrc.relativize(file); |
| Files.createDirectories(root.resolve(path).getParent()); |
| Files.copy(file, root.resolve(path)); |
| } catch (IOException e) { |
| throw new UncheckedIOException(e); |
| } |
| }); |
| } |
| } |
| // copy all entries except module-info.class |
| try (Stream<Path> stream = Files.find(root, Integer.MAX_VALUE, |
| (p, attr) -> { return attr.isRegularFile();})) { |
| Stream<Path> entries = stream.filter(f -> { |
| String fn = f.getFileName().toString(); |
| if (fn.endsWith(".class")) { |
| return !fn.equals("module-info.class"); |
| } else { |
| return true; |
| } |
| }); |
| |
| JdepsUtil.createJar(libs.resolve(mn + ".jar"), root, entries); |
| } |
| } |
| |
| return MODULES.stream() |
| .map(mn -> LIBS_DIR.resolve(mn + ".jar")) |
| .collect(Collectors.toList()); |
| } |
| |
| /** |
| * compile the generated module-info.java |
| */ |
| public static void compileNewGenModuleInfo(Path source, Path dest) { |
| |
| assertTrue(CompilerUtils.compileModule(source, dest, UNSUPPORTED, |
| "-p", dest.toString(), |
| "--add-exports", "java.base/jdk.internal.perf=" + UNSUPPORTED)); |
| |
| MODULES.stream() |
| .filter(mn -> !mn.equals(UNSUPPORTED)) |
| .forEach(mn -> assertTrue( |
| CompilerUtils.compileModule(source, dest, |
| mn, "-p", dest.toString())) |
| ); |
| |
| } |
| |
| /** |
| * 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); |
| |
| compileModules(MODS_DIR); |
| |
| createJARFiles(MODS_DIR, LIBS_DIR); |
| } |
| |
| @Test |
| public void automaticModules() throws IOException { |
| Stream<String> files = MODULES.stream() |
| .map(mn -> LIBS_DIR.resolve(mn + ".jar")) |
| .map(Path::toString); |
| JdepsRunner.run(Stream.concat(Stream.of("-cp"), files).toArray(String[]::new)); |
| } |
| |
| @Test |
| public void test() throws IOException { |
| Files.createDirectory(DEST_DIR); |
| |
| Stream<String> files = MODULES.stream() |
| .map(mn -> LIBS_DIR.resolve(mn + ".jar")) |
| .map(Path::toString); |
| |
| Stream<String> options = Stream.concat( |
| Stream.of("--generate-module-info", DEST_DIR.toString()), files); |
| JdepsRunner.run(options.toArray(String[]::new)); |
| |
| // check file exists |
| MODULES.stream() |
| .map(mn -> DEST_DIR.resolve(mn).resolve("module-info.java")) |
| .forEach(f -> assertTrue(Files.exists(f))); |
| |
| // copy classes to a temporary directory |
| // and then compile new module-info.java |
| copyClasses(MODS_DIR, NEW_MODS_DIR); |
| compileNewGenModuleInfo(DEST_DIR, NEW_MODS_DIR); |
| |
| 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)))); |
| } |
| } |
| } |
| |
| /** |
| * Copy classes except the module-info.class to the destination directory |
| */ |
| public static void copyClasses(Path from, Path dest) throws IOException { |
| try (Stream<Path> stream = Files.walk(from, Integer.MAX_VALUE)) { |
| stream.filter(path -> !path.getFileName().toString().equals(MODULE_INFO) && |
| path.getFileName().toString().endsWith(".class")) |
| .map(path -> from.relativize(path)) |
| .forEach(path -> { |
| try { |
| Path newFile = dest.resolve(path); |
| Files.createDirectories(newFile.getParent()); |
| Files.copy(from.resolve(path), newFile); |
| } catch (IOException e) { |
| throw new UncheckedIOException(e); |
| } |
| }); |
| } |
| } |
| |
| /** |
| * Verify the generated module-info.java is equivalent to module-info.class |
| * compiled from source. |
| */ |
| 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()); |
| if (!md1.opens().isEmpty()) { |
| throw new RuntimeException("unexpected opens: " + |
| md1.opens().stream() |
| .map(o -> o.toString()) |
| .collect(Collectors.joining(","))); |
| } |
| |
| assertEquals(md1.provides(), md2.provides()); |
| } |
| |
| private Set<String> packages(Path dir) { |
| try (Stream<Path> 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 ""; |
| } |
| } |
| |
| } |