320 lines
12 KiB
Java
320 lines
12 KiB
Java
/*
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* Copyright (c) 2016, 2017, 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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* @bug 8193192
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* @library ../lib
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* @build CompilerUtils JdepsUtil JdepsRunner
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* @modules jdk.jdeps/com.sun.tools.jdeps
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* @run testng GenModuleInfo
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* @summary Tests jdeps --generate-module-info option
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*/
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.UncheckedIOException;
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import java.lang.module.ModuleDescriptor;
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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.util.List;
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import java.util.Set;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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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.assertEquals;
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import static org.testng.Assert.assertTrue;
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public class GenModuleInfo {
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private static final String MODULE_INFO = "module-info.class";
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private static final String TEST_SRC = System.getProperty("test.src");
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private static final Path SRC_DIR = Paths.get(TEST_SRC, "src");
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private static final Path MODS_DIR = Paths.get("mods");
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private static final Path LIBS_DIR = Paths.get("libs");
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private static final Path MLIBS_DIR = Paths.get("mlibs");
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private static final Path DEST_DIR = Paths.get("moduleinfosrc");
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private static final Path NEW_MODS_DIR = Paths.get("new_mods");
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// the names of the modules in this test
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public static final String UNSUPPORTED = "unsupported";
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public static final Set<String> MODULES = Set.of(
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"mI", "mII", "mIII", "provider", "test", UNSUPPORTED
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);
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@BeforeTest
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public void setup() throws Exception {
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compileAndCreateJars();
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}
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/**
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* Compile modules
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*/
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public static void compileModules(Path dest) {
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assertTrue(CompilerUtils.compileModule(SRC_DIR, dest, UNSUPPORTED,
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"--add-exports", "java.base/jdk.internal.perf=" + UNSUPPORTED));
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MODULES.stream()
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.filter(mn -> !mn.equals(UNSUPPORTED))
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.forEach(mn -> assertTrue(CompilerUtils.compileModule(SRC_DIR, dest, mn)));
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}
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/**
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* Create JAR files with no module-info.class
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*/
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public static void createModularJARs(Path mods, Path dest, String... modules) throws IOException {
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Files.createDirectory(dest);
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// create modular JAR
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for (String mn : modules) {
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Path root = mods.resolve(mn);
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try (Stream<Path> stream = Files.find(root, Integer.MAX_VALUE,
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(p, attr) -> { return attr.isRegularFile(); })) {
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JdepsUtil.createJar(dest.resolve(mn + ".jar"), root, stream);
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}
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}
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}
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/**
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* Create JAR files with no module-info.class
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*/
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public static List<Path> createJARFiles(Path mods, Path libs) throws IOException {
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Files.createDirectory(libs);
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for (String mn : MODULES) {
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Path root = mods.resolve(mn);
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Path msrc = SRC_DIR.resolve(mn);
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Path metaInf = msrc.resolve("META-INF");
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if (Files.exists(metaInf)) {
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try (Stream<Path> resources = Files.find(metaInf, Integer.MAX_VALUE,
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(p, attr) -> { return attr.isRegularFile();})) {
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resources.forEach(file -> {
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try {
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Path path = msrc.relativize(file);
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Files.createDirectories(root.resolve(path).getParent());
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Files.copy(file, root.resolve(path));
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} catch (IOException e) {
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throw new UncheckedIOException(e);
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}
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});
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}
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}
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// copy all entries except module-info.class
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try (Stream<Path> stream = Files.find(root, Integer.MAX_VALUE,
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(p, attr) -> { return attr.isRegularFile();})) {
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Stream<Path> entries = stream.filter(f -> {
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String fn = f.getFileName().toString();
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if (fn.endsWith(".class")) {
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return !fn.equals("module-info.class");
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} else {
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return true;
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}
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});
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JdepsUtil.createJar(libs.resolve(mn + ".jar"), root, entries);
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}
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}
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return MODULES.stream()
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.map(mn -> LIBS_DIR.resolve(mn + ".jar"))
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.collect(Collectors.toList());
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}
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/**
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* compile the generated module-info.java
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*/
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public static void compileNewGenModuleInfo(Path source, Path dest) {
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assertTrue(CompilerUtils.compileModule(source, dest, UNSUPPORTED,
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"-p", dest.toString(),
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"--add-exports", "java.base/jdk.internal.perf=" + UNSUPPORTED));
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MODULES.stream()
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.filter(mn -> !mn.equals(UNSUPPORTED))
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.forEach(mn -> assertTrue(
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CompilerUtils.compileModule(source, dest,
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mn, "-p", dest.toString()))
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);
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}
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public static void compileAndCreateJars() throws Exception {
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CompilerUtils.cleanDir(MODS_DIR);
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CompilerUtils.cleanDir(LIBS_DIR);
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compileModules(MODS_DIR);
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// create modular JARs except test
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createModularJARs(MODS_DIR, MLIBS_DIR, MODULES.stream().filter(mn -> !mn.equals("test"))
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.toArray(String[]::new));
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// create non-modular JARs
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createJARFiles(MODS_DIR, LIBS_DIR);
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}
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@Test
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public void automaticModules() throws IOException {
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Stream<String> files = MODULES.stream()
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.map(mn -> LIBS_DIR.resolve(mn + ".jar"))
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.map(Path::toString);
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JdepsRunner.run(Stream.concat(Stream.of("-cp"), files).toArray(String[]::new));
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}
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@Test
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public void test() throws IOException {
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Path dest = DEST_DIR.resolve("case1");
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Path classes = NEW_MODS_DIR.resolve("case1");
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Files.createDirectories(dest);
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Files.createDirectories(classes);
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Stream<String> files = MODULES.stream()
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.map(mn -> LIBS_DIR.resolve(mn + ".jar"))
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.map(Path::toString);
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Stream<String> options = Stream.concat(
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Stream.of("--generate-module-info", dest.toString()), files);
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JdepsRunner.run(options.toArray(String[]::new));
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// check file exists
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MODULES.stream()
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.map(mn -> dest.resolve(mn).resolve("module-info.java"))
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.forEach(f -> assertTrue(Files.exists(f)));
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// copy classes to a temporary directory
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// and then compile new module-info.java
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copyClasses(MODS_DIR, classes);
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compileNewGenModuleInfo(dest, classes);
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for (String mn : MODULES) {
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verify(mn, classes, MODS_DIR);
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}
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}
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@Test
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public void withModulePath() throws IOException {
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Path dest = DEST_DIR.resolve("case2");
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Path classes = NEW_MODS_DIR.resolve("case2");
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Files.createDirectories(dest);
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Files.createDirectories(classes);
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JdepsRunner.run("--module-path", MLIBS_DIR.toString(),
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"--generate-module-info", dest.toString(),
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LIBS_DIR.resolve("test.jar").toString());
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String name = "test";
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Path gensrc = dest.resolve(name).resolve("module-info.java");
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assertTrue(Files.exists(gensrc));
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// copy classes to a temporary directory
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// and then compile new module-info.java
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copyClasses(MODS_DIR.resolve(name), classes.resolve(name));
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assertTrue(CompilerUtils.compileModule(dest, classes, name, "-p", MLIBS_DIR.toString()));
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verify(name, classes, MODS_DIR);
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}
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/**
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* Verify the dependences from the given module-info.class files
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*/
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public void verify(String mn, Path mdir1, Path mdir2) throws IOException {
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Path p1 = mdir1.resolve(mn).resolve(MODULE_INFO);
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Path p2 = mdir2.resolve(mn).resolve(MODULE_INFO);
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try (InputStream in1 = Files.newInputStream(p1);
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InputStream in2 = Files.newInputStream(p2)) {
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verify(ModuleDescriptor.read(in1),
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ModuleDescriptor.read(in2, () -> packages(mdir2.resolve(mn))));
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}
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}
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/**
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* Copy classes except the module-info.class to the destination directory
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*/
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public static void copyClasses(Path from, Path dest) throws IOException {
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try (Stream<Path> stream = Files.walk(from, Integer.MAX_VALUE)) {
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stream.filter(path -> !path.getFileName().toString().equals(MODULE_INFO) &&
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path.getFileName().toString().endsWith(".class"))
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.map(path -> from.relativize(path))
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.forEach(path -> {
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try {
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Path newFile = dest.resolve(path);
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Files.createDirectories(newFile.getParent());
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Files.copy(from.resolve(path), newFile);
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} catch (IOException e) {
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throw new UncheckedIOException(e);
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}
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});
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}
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}
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/**
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* Verify the generated module-info.java is equivalent to module-info.class
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* compiled from source.
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*/
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private void verify(ModuleDescriptor md1, ModuleDescriptor md2) {
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System.out.println("verifying: " + md1.name());
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assertEquals(md1.name(), md2.name());
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assertEquals(md1.requires(), md2.requires());
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// all packages are exported
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assertEquals(md1.exports().stream()
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.map(ModuleDescriptor.Exports::source)
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.collect(Collectors.toSet()), md2.packages());
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if (!md1.opens().isEmpty()) {
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throw new RuntimeException("unexpected opens: " +
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md1.opens().stream()
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.map(o -> o.toString())
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.collect(Collectors.joining(",")));
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}
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assertEquals(md1.provides(), md2.provides());
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}
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private Set<String> packages(Path dir) {
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try (Stream<Path> stream = Files.find(dir, Integer.MAX_VALUE,
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((path, attrs) -> attrs.isRegularFile() &&
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path.toString().endsWith(".class")))) {
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return stream.map(path -> toPackageName(dir.relativize(path)))
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.filter(pkg -> pkg.length() > 0) // module-info
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.distinct()
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.collect(Collectors.toSet());
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} catch (IOException x) {
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throw new UncheckedIOException(x);
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}
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}
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private String toPackageName(Path path) {
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String name = path.toString();
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assert name.endsWith(".class");
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int index = name.lastIndexOf(File.separatorChar);
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if (index != -1) {
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return name.substring(0, index).replace(File.separatorChar, '.');
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} else {
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return "";
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}
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}
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}
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