1 /*
   2  * Copyright (c) 2017, 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  * @modules java.xml
  27  * @library /lib/testlibrary
  28  * @build ValidateModulesTest JarUtils jdk.testlibrary.*
  29  * @run testng ValidateModulesTest
  30  * @summary Basic test for java --validate-modules
  31  */
  32 
  33 import java.io.File;
  34 import java.io.IOException;
  35 import java.nio.file.Files;
  36 import java.nio.file.Path;
  37 
  38 import jdk.testlibrary.ProcessTools;
  39 import jdk.testlibrary.OutputAnalyzer;
  40 
  41 import org.testng.annotations.Test;
  42 import static org.testng.Assert.*;
  43 
  44 @Test
  45 public class ValidateModulesTest {
  46 
  47     /**
  48      * Test that the system modules validate.
  49      */
  50     public void testSystemModules() throws Exception {
  51         run("--validate-modules")
  52                 .stdoutShouldContain("java.base")
  53                 .stdoutShouldContain("java.xml")
  54                 .shouldHaveExitValue(0);
  55     }
  56 
  57     /**
  58      * Test an automatic module on the module path with classes in the same
  59      * package as a system module.
  60      */
  61     public void testPackageConflict() throws Exception {
  62         Path tmpdir = Files.createTempDirectory("tmp");
  63 
  64         Path classes = Files.createDirectory(tmpdir.resolve("classes"));
  65         touch(classes, "javax/xml/XMLConstants.class");
  66         touch(classes, "javax/xml/parsers/SAXParser.class");
  67 
  68         Path lib = Files.createDirectory(tmpdir.resolve("lib"));
  69         JarUtils.createJarFile(lib.resolve("xml.jar"), classes);
  70 
  71         int exitValue = run("-p", lib.toString(), "--validate-modules")
  72                 .shouldContain("xml automatic")
  73                 .shouldContain("conflicts with module java.xml")
  74                 .getExitValue();
  75         assertTrue(exitValue != 0);
  76 
  77     }
  78 
  79     /**
  80      * Test two modules with the same name in a directory.
  81      */
  82     public void testDuplicateModule() throws Exception {
  83         Path tmpdir = Files.createTempDirectory("tmp");
  84 
  85         Path classes = Files.createDirectory(tmpdir.resolve("classes"));
  86         touch(classes, "org/foo/Bar.class");
  87 
  88         Path lib = Files.createDirectory(tmpdir.resolve("lib"));
  89         JarUtils.createJarFile(lib.resolve("foo-1.0.jar"), classes);
  90         JarUtils.createJarFile(lib.resolve("foo-2.0.jar"), classes);
  91 
  92         int exitValue = run("-p", lib.toString(), "--validate-modules")
  93                 .shouldContain("contains same module")
  94                 .getExitValue();
  95         assertTrue(exitValue != 0);
  96     }
  97 
  98     /**
  99      * Test two modules with the same name in different directories.
 100      */
 101     public void testShadowed() throws Exception {
 102         Path tmpdir = Files.createTempDirectory("tmp");
 103 
 104         Path classes = Files.createDirectory(tmpdir.resolve("classes"));
 105         touch(classes, "org/foo/Bar.class");
 106 
 107         Path lib1 = Files.createDirectory(tmpdir.resolve("lib1"));
 108         JarUtils.createJarFile(lib1.resolve("foo-1.0.jar"), classes);
 109 
 110         Path lib2 = Files.createDirectory(tmpdir.resolve("lib2"));
 111         JarUtils.createJarFile(lib2.resolve("foo-2.0.jar"), classes);
 112 
 113         run("-p", lib1 + File.pathSeparator + lib2, "--validate-modules")
 114                 .shouldContain("shadowed by")
 115                 .shouldHaveExitValue(0);
 116     }
 117 
 118     /**
 119      * Runs the java launcher with the given arguments.
 120      */
 121     private OutputAnalyzer run(String... args) throws Exception {
 122         return ProcessTools.executeTestJava(args)
 123                 .outputTo(System.out)
 124                 .errorTo(System.out);
 125     }
 126 
 127     /**
 128      * Creates a file relative the given directory.
 129      */
 130     private void touch(Path dir, String relPath) throws IOException {
 131         Path file = dir.resolve(relPath.replace('/', File.separatorChar));
 132         Files.createDirectories(file.getParent());
 133         Files.createFile(file);
 134     }
 135 }