1 /**
   2  * Copyright (c) 2015, 2018, 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 Basic test of jlink to create jmods and images
  27  * @author Andrei Eremeev
  28  * @library /test/lib
  29  * @modules java.base/jdk.internal.module
  30  *          jdk.jlink
  31  *          jdk.compiler
  32  * @build jdk.test.lib.process.ProcessTools
  33  *        jdk.test.lib.process.OutputAnalyzer
  34  *        jdk.test.lib.compiler.CompilerUtils
  35  *        jdk.test.lib.util.JarUtils
  36  * @run main BasicTest
  37  */
  38 
  39 import java.io.File;
  40 import java.io.PrintWriter;
  41 import java.nio.file.Files;
  42 import java.nio.file.Path;
  43 import java.nio.file.Paths;
  44 import java.util.ArrayList;
  45 import java.util.Collections;
  46 import java.util.List;
  47 import java.util.spi.ToolProvider;
  48 
  49 import jdk.test.lib.compiler.CompilerUtils;
  50 import jdk.test.lib.process.OutputAnalyzer;
  51 import jdk.test.lib.process.ProcessTools;
  52 import jdk.test.lib.util.JarUtils;
  53 
  54 public class BasicTest {
  55     static final ToolProvider JMOD_TOOL = ToolProvider.findFirst("jmod")
  56         .orElseThrow(() ->
  57             new RuntimeException("jmod tool not found")
  58         );
  59 
  60     static final ToolProvider JLINK_TOOL = ToolProvider.findFirst("jlink")
  61         .orElseThrow(() ->
  62             new RuntimeException("jlink tool not found")
  63         );
  64 
  65     private final String TEST_MODULE = "test";
  66     private final Path jdkHome = Paths.get(System.getProperty("test.jdk"));
  67     private final Path jdkMods = jdkHome.resolve("jmods");
  68     private final Path testSrc = Paths.get(System.getProperty("test.src"));
  69     private final Path src = testSrc.resolve("src").resolve(TEST_MODULE);
  70     private final Path classes = Paths.get("classes");
  71     private final Path jmods = Paths.get("jmods");
  72     private final Path jars = Paths.get("jars");
  73 
  74     public static void main(String[] args) throws Throwable {
  75         new BasicTest().run();
  76     }
  77 
  78     public void run() throws Throwable {
  79         if (Files.notExists(jdkMods)) {
  80             return;
  81         }
  82 
  83         if (!CompilerUtils.compile(src, classes)) {
  84             throw new AssertionError("Compilation failure. See log.");
  85         }
  86 
  87         Files.createDirectories(jmods);
  88         Files.createDirectories(jars);
  89         Path jarfile = jars.resolve("test.jar");
  90         JarUtils.createJarFile(jarfile, classes);
  91 
  92         Path image = Paths.get("mysmallimage");
  93         runJmod(jarfile.toString(), TEST_MODULE, true);
  94         runJlink(image, TEST_MODULE, "--compress", "2", "--launcher", "foo=" + TEST_MODULE);
  95         execute(image, "foo");
  96 
  97         Files.delete(jmods.resolve(TEST_MODULE + ".jmod"));
  98 
  99         image = Paths.get("myimage");
 100         runJmod(classes.toString(), TEST_MODULE, true);
 101         runJlink(image, TEST_MODULE, "--launcher", "bar=" + TEST_MODULE);
 102         execute(image, "bar");
 103 
 104         Files.delete(jmods.resolve(TEST_MODULE + ".jmod"));
 105 
 106         image = Paths.get("myimage2");
 107         runJmod(classes.toString(), TEST_MODULE, false /* no ModuleMainClass! */);
 108         // specify main class in --launcher command line
 109         runJlink(image, TEST_MODULE, "--launcher", "bar2=" + TEST_MODULE + "/jdk.test.Test");
 110         execute(image, "bar2");
 111 
 112     }
 113 
 114     private void execute(Path image, String scriptName) throws Throwable {
 115         String cmd = image.resolve("bin").resolve(scriptName).toString();
 116         OutputAnalyzer analyzer;
 117         if (System.getProperty("os.name").startsWith("Windows")) {
 118             analyzer = ProcessTools.executeProcess("sh.exe", cmd, "1", "2", "3");
 119         } else {
 120             analyzer = ProcessTools.executeProcess(cmd, "1", "2", "3");
 121         }
 122         if (analyzer.getExitValue() != 0) {
 123             throw new AssertionError("Image invocation failed: rc=" + analyzer.getExitValue());
 124         }
 125     }
 126 
 127     private void runJlink(Path image, String modName, String... options) {
 128         List<String> args = new ArrayList<>();
 129         Collections.addAll(args,
 130                 "--module-path", jdkMods + File.pathSeparator + jmods,
 131                 "--add-modules", modName,
 132                 "--output", image.toString());
 133         Collections.addAll(args, options);
 134 
 135         PrintWriter pw = new PrintWriter(System.out);
 136         int rc = JLINK_TOOL.run(pw, pw, args.toArray(new String[args.size()]));
 137         if (rc != 0) {
 138             throw new AssertionError("Jlink failed: rc = " + rc);
 139         }
 140     }
 141 
 142     private void runJmod(String cp, String modName, boolean main) {
 143         int rc;
 144         if (main) {
 145             rc = JMOD_TOOL.run(System.out, System.out, new String[] {
 146                 "create",
 147                 "--class-path", cp,
 148                 "--module-version", "1.0",
 149                 "--main-class", "jdk.test.Test",
 150                 jmods.resolve(modName + ".jmod").toString()
 151             });
 152         } else {
 153             rc = JMOD_TOOL.run(System.out, System.out, new String[] {
 154                 "create",
 155                 "--class-path", cp,
 156                 "--module-version", "1.0",
 157                 jmods.resolve(modName + ".jmod").toString(),
 158             });
 159         }
 160 
 161         if (rc != 0) {
 162             throw new AssertionError("Jmod failed: rc = " + rc);
 163         }
 164     }
 165 }