jdk8-mips64-public/langtools: test/tools/jdeps/MRJarWarning.java@e2abef6f10b9 (annotated)

test/tools/jdeps/MRJarWarning.java@e2abef6f10b9 (annotated)

test/tools/jdeps/MRJarWarning.java

Thu, 27 Apr 2017 16:18:18 -0700

author: bchristi
date: Thu, 27 Apr 2017 16:18:18 -0700
changeset 3389: e2abef6f10b9
parent 3368: f206126308bc
permissions: -rw-r--r--

8176329: jdeps to detect MR jar file and output a warning
Reviewed-by: mchung

 /*
  * Copyright (c) 2017, 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
  * @bug 8176329
  * @summary Test for jdeps warning when it encounters a multi-release jar
  * @run testng MRJarWarning
  */
 import java.io.IOException;
 import java.io.OutputStream;
 import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 import java.util.Locale;
 import java.util.jar.Attributes;
 import java.util.jar.JarEntry;
 import java.util.jar.JarOutputStream;
 import java.util.jar.Manifest;
 import org.testng.Assert;
 import org.testng.annotations.BeforeSuite;
 import org.testng.annotations.DataProvider;
 import org.testng.annotations.Test;
 public class MRJarWarning {
     private static final String WARNING = " is a multi-release jar file";
     private static final String MRJAR_ATTR = "Multi-Release";
     Path mrjar1;
     Path mrjar2;
     Path nonMRjar;
     Path mrjarAllCaps;
     private Attributes defaultAttributes;
     @BeforeSuite
     public void setup() throws IOException {
         defaultAttributes = new Attributes();
         defaultAttributes.putValue("Manifest-Version", "1.0");
         defaultAttributes.putValue("Created-By", "1.8.0-internal");
         mrjar1   = Paths.get("mrjar1.jar");
         mrjar2   = Paths.get("mrjar2.jar");
         nonMRjar = Paths.get("nonMRjar.jar");
         mrjarAllCaps = Paths.get("mrjarAllCaps.jar");
         Attributes mrJarAttrs = new Attributes(defaultAttributes);
         mrJarAttrs.putValue(MRJAR_ATTR, "true");
         build(mrjar1, mrJarAttrs);
         build(mrjar2, mrJarAttrs);
         build(nonMRjar, defaultAttributes);
         // JEP 238 - "Multi-Release JAR Files" states that the attribute name
         // and value are case insensitive.  Try with all caps to ensure that
         // jdeps still recognizes a multi-release jar.
         Attributes allCapsAttrs = new Attributes(defaultAttributes);
         allCapsAttrs.putValue(MRJAR_ATTR.toUpperCase(), "TRUE");
         build(mrjarAllCaps, allCapsAttrs);
     }
     @DataProvider(name="provider")
     private Object[][] args() {
         // jdeps warning messages may be localized.
         // This test only checks for the English version.  Return an empty
         // array (skip testing) if the default language is not English.
         String language = Locale.getDefault().getLanguage();
         System.out.println("Language: " + language);
         if ("en".equals(language)) {
             return new Object[][] {
                 // one mrjar arg
                 {   Arrays.asList(mrjar1.toString()),
                     Arrays.asList(mrjar1)},
                 // two mrjar args
                 {   Arrays.asList(mrjar1.toString(), mrjar2.toString()),
                     Arrays.asList(mrjar1, mrjar2)},
                 // one mrjar arg, with mrjar on classpath
                 {   Arrays.asList("-cp", mrjar2.toString(), mrjar1.toString()),
                     Arrays.asList(mrjar1, mrjar2)},
                 // non-mrjar arg, with mrjar on classpath
                 {   Arrays.asList("-cp", mrjar1.toString(), nonMRjar.toString()),
                     Arrays.asList(mrjar1)},
                 // mrjar arg with jar attribute name/value in ALL CAPS
                 {   Arrays.asList(mrjarAllCaps.toString()),
                     Arrays.asList(mrjarAllCaps)},
                 // non-mrjar arg
                 {   Arrays.asList(nonMRjar.toString()),
                     Collections.emptyList()}
             };
         } else {
             System.out.println("Non-English language \""+ language +
                     "\"; test passes superficially");
             return new Object[][]{};
         }
     }
     /* Run jdeps with the arguments given in 'args', and confirm that a warning
      * is issued for each Multi-Release jar in 'expectedMRpaths'.
      */
     @Test(dataProvider="provider")
     public void checkWarning(List<String> args, List<Path> expectedMRpaths) {
         StringWriter sw = new StringWriter();
         PrintWriter pw = new PrintWriter(sw);
         int rc = com.sun.tools.jdeps.Main.run(args.toArray(new String[args.size()]), pw);
         pw.close();
         expectedMRJars(sw.toString(), expectedMRpaths);
         Assert.assertEquals(rc, 0, "non-zero exit code from jdeps");
     }
     /* Confirm that warnings for the specified paths are in the output (or that
      * warnings are absent if 'paths' is empty).
      * Doesn't check for extra, unexpected warnings.
      */
     private static void expectedMRJars(String output, List<Path> paths) {
         if (paths.isEmpty()) {
             Assert.assertFalse(output.contains(WARNING),
                                "Expected no mrjars, but found:\n" + output);
         } else {
             for (Path path : paths) {
                 String expect = "Warning: " + path.toString() + WARNING;
                 Assert.assertTrue(output.contains(expect),
                         "Did not find:\n" + expect + "\nin:\n" + output + "\n");
             }
         }
     }
     /* Build a jar at the expected path, containing the given attributes */
     private static void build(Path path, Attributes attributes) throws IOException {
         try (OutputStream os = Files.newOutputStream(path);
              JarOutputStream jos = new JarOutputStream(os)) {
             JarEntry me = new JarEntry("META-INF/MANIFEST.MF");
             jos.putNextEntry(me);
             Manifest manifest = new Manifest();
             manifest.getMainAttributes().putAll(attributes);
             manifest.write(jos);
             jos.closeEntry();
         }
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/jdeps/MRJarWarning.java@e2abef6f10b9 (annotated)

test/tools/jdeps/MRJarWarning.java