1 /*
   2  * Copyright (c) 2014, 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 import jdk.test.lib.Utils;
  26 import jdk.test.lib.BuildHelper;
  27 import jdk.test.lib.JDKToolFinder;
  28 import jdk.test.lib.Platform;
  29 import jdk.test.lib.cds.CDSOptions;
  30 import jdk.test.lib.cds.CDSTestUtils;
  31 import jdk.test.lib.cds.CDSTestUtils.Result;
  32 import jdk.test.lib.process.ProcessTools;
  33 import jdk.test.lib.process.OutputAnalyzer;
  34 import java.io.File;
  35 import java.text.SimpleDateFormat;
  36 import java.util.ArrayList;
  37 import java.util.Date;
  38 
  39 /**
  40  * This is a test utility class for common AppCDS test functionality.
  41  *
  42  * Various methods use (String ...) for passing VM options. Note that the order
  43  * of the VM options are important in certain cases. Many methods take arguments like
  44  *
  45  *    (String prefix[], String suffix[], String... opts)
  46  *
  47  * Note that the order of the VM options is:
  48  *
  49  *    prefix + opts + suffix
  50  */
  51 public class TestCommon extends CDSTestUtils {
  52     private static final String JSA_FILE_PREFIX = System.getProperty("user.dir") +
  53         File.separator + "appcds-";
  54 
  55     private static final SimpleDateFormat timeStampFormat =
  56         new SimpleDateFormat("HH'h'mm'm'ss's'SSS");
  57 
  58     private static final String timeoutFactor =
  59         System.getProperty("test.timeout.factor", "1.0");
  60 
  61     private static String currentArchiveName;
  62 
  63     // Call this method to start new archive with new unique name
  64     public static void startNewArchiveName() {
  65         deletePriorArchives();
  66         currentArchiveName = JSA_FILE_PREFIX +
  67             timeStampFormat.format(new Date()) + ".jsa";
  68     }
  69 
  70     // Call this method to get current archive name
  71     public static String getCurrentArchiveName() {
  72         return currentArchiveName;
  73     }
  74 
  75     // Attempt to clean old archives to preserve space
  76     // Archives are large artifacts (20Mb or more), and much larger than
  77     // most other artifacts created in jtreg testing.
  78     // Therefore it is a good idea to clean the old archives when they are not needed.
  79     // In most cases the deletion attempt will succeed; on rare occasion the
  80     // delete operation will fail since the system or VM process still holds a handle
  81     // to the file; in such cases the File.delete() operation will silently fail, w/o
  82     // throwing an exception, thus allowing testing to continue.
  83     public static void deletePriorArchives() {
  84         File dir = new File(System.getProperty("user.dir"));
  85         String files[] = dir.list();
  86         for (String name : files) {
  87             if (name.startsWith("appcds-") && name.endsWith(".jsa")) {
  88                 if (!(new File(dir, name)).delete())
  89                     System.out.println("deletePriorArchives(): delete failed for file " + name);
  90             }
  91         }
  92     }
  93 
  94 
  95     // Create AppCDS archive using most common args - convenience method
  96     // Legacy name preserved for compatibility
  97     public static OutputAnalyzer dump(String appJar, String appClasses[],
  98                                                String... suffix) throws Exception {
  99         return createArchive(appJar, appClasses, suffix);
 100     }
 101 
 102 
 103     // Create AppCDS archive using most common args - convenience method
 104     public static OutputAnalyzer createArchive(String appJar, String appClasses[],
 105                                                String... suffix) throws Exception {
 106         AppCDSOptions opts = (new AppCDSOptions()).setAppJar(appJar)
 107             .setAppClasses(appClasses);
 108         opts.addSuffix(suffix);
 109         return createArchive(opts);
 110     }
 111 
 112     public static String[] makeCommandLineForAppCDS(String... args) throws Exception {
 113         return args;
 114     }
 115 
 116     // Create AppCDS archive using appcds options
 117     public static OutputAnalyzer createArchive(AppCDSOptions opts)
 118         throws Exception {
 119 
 120         ArrayList<String> cmd = new ArrayList<String>();
 121         File classList = makeClassList(opts.appClasses);
 122         startNewArchiveName();
 123 
 124         for (String p : opts.prefix) cmd.add(p);
 125 
 126         if (opts.appJar != null) {
 127             cmd.add("-cp");
 128             cmd.add(opts.appJar);
 129         } else {
 130             cmd.add("-cp");
 131             cmd.add("\"\"");
 132         }
 133 
 134         cmd.add("-Xshare:dump");
 135         cmd.add("-Xlog:cds,cds+hashtables");
 136         cmd.add("-XX:ExtraSharedClassListFile=" + classList.getPath());
 137 
 138         if (opts.archiveName == null)
 139             opts.archiveName = getCurrentArchiveName();
 140 
 141         cmd.add("-XX:SharedArchiveFile=" + opts.archiveName);
 142 
 143         for (String s : opts.suffix) cmd.add(s);
 144 
 145         String[] cmdLine = cmd.toArray(new String[cmd.size()]);
 146         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, makeCommandLineForAppCDS(cmdLine));
 147         return executeAndLog(pb, "dump");
 148     }
 149 
 150 
 151     // Execute JVM using AppCDS archive with specified AppCDSOptions
 152     public static OutputAnalyzer runWithArchive(AppCDSOptions opts)
 153         throws Exception {
 154 
 155         ArrayList<String> cmd = new ArrayList<String>();
 156 
 157         for (String p : opts.prefix) cmd.add(p);
 158 
 159         cmd.add("-Xshare:" + opts.xShareMode);
 160         cmd.add("-showversion");
 161         cmd.add("-XX:SharedArchiveFile=" + getCurrentArchiveName());
 162         cmd.add("-Dtest.timeout.factor=" + timeoutFactor);
 163 
 164         if (opts.appJar != null) {
 165             cmd.add("-cp");
 166             cmd.add(opts.appJar);
 167         }
 168 
 169         for (String s : opts.suffix) cmd.add(s);
 170 
 171         String[] cmdLine = cmd.toArray(new String[cmd.size()]);
 172         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, makeCommandLineForAppCDS(cmdLine));
 173         return executeAndLog(pb, "exec");
 174     }
 175 
 176 
 177     public static OutputAnalyzer execCommon(String... suffix) throws Exception {
 178         AppCDSOptions opts = (new AppCDSOptions());
 179         opts.addSuffix(suffix);
 180         return runWithArchive(opts);
 181     }
 182 
 183     // This is the new API for running a Java process with CDS enabled.
 184     // See comments in the CDSTestUtils.Result class for how to use this method.
 185     public static Result run(String... suffix) throws Exception {
 186         AppCDSOptions opts = (new AppCDSOptions());
 187         opts.addSuffix(suffix);
 188         return new Result(opts, runWithArchive(opts));
 189     }
 190 
 191     public static OutputAnalyzer exec(String appJar, String... suffix) throws Exception {
 192         AppCDSOptions opts = (new AppCDSOptions()).setAppJar(appJar);
 193         opts.addSuffix(suffix);
 194         return runWithArchive(opts);
 195     }
 196 
 197     public static Result runWithModules(String prefix[], String upgrademodulepath, String modulepath,
 198                                             String mid, String... testClassArgs) throws Exception {
 199         AppCDSOptions opts = makeModuleOptions(prefix, upgrademodulepath, modulepath,
 200                                                mid, testClassArgs);
 201         return new Result(opts, runWithArchive(opts));
 202     }
 203 
 204     public static OutputAnalyzer execAuto(String... suffix) throws Exception {
 205         AppCDSOptions opts = (new AppCDSOptions());
 206         opts.addSuffix(suffix).setXShareMode("auto");
 207         return runWithArchive(opts);
 208     }
 209 
 210     public static OutputAnalyzer execOff(String... suffix) throws Exception {
 211         AppCDSOptions opts = (new AppCDSOptions());
 212         opts.addSuffix(suffix).setXShareMode("off");
 213         return runWithArchive(opts);
 214     }
 215 
 216 
 217     private static AppCDSOptions makeModuleOptions(String prefix[], String upgrademodulepath, String modulepath,
 218                                             String mid, String testClassArgs[]) {
 219         AppCDSOptions opts = (new AppCDSOptions());
 220 
 221         opts.addPrefix(prefix);
 222         if (upgrademodulepath == null) {
 223             opts.addSuffix("-p", modulepath, "-m", mid);
 224         } else {
 225             opts.addSuffix("--upgrade-module-path", upgrademodulepath,
 226                            "-p", modulepath, "-m", mid);
 227         }
 228         opts.addSuffix(testClassArgs);
 229         return opts;
 230     }
 231 
 232     public static OutputAnalyzer execModule(String prefix[], String upgrademodulepath, String modulepath,
 233                                             String mid, String... testClassArgs)
 234         throws Exception {
 235         AppCDSOptions opts = makeModuleOptions(prefix, upgrademodulepath, modulepath,
 236                                                mid, testClassArgs);
 237         return runWithArchive(opts);
 238     }
 239 
 240 
 241     // A common operation: dump, then check results
 242     public static OutputAnalyzer testDump(String appJar, String appClasses[],
 243                                           String... suffix) throws Exception {
 244         OutputAnalyzer output = dump(appJar, appClasses, suffix);
 245         output.shouldContain("Loading classes to share");
 246         output.shouldHaveExitValue(0);
 247         return output;
 248     }
 249 
 250 
 251     /**
 252      * Simple test -- dump and execute appJar with the given appClasses in classlist.
 253      */
 254     public static OutputAnalyzer test(String appJar, String appClasses[], String... args)
 255         throws Exception {
 256         testDump(appJar, appClasses);
 257 
 258         OutputAnalyzer output = exec(appJar, args);
 259         return checkExec(output);
 260     }
 261 
 262 
 263     public static OutputAnalyzer checkExecReturn(OutputAnalyzer output, int ret,
 264                            boolean checkContain, String... matches) throws Exception {
 265         try {
 266             for (String s : matches) {
 267                 if (checkContain) {
 268                     output.shouldContain(s);
 269                 } else {
 270                     output.shouldNotContain(s);
 271                 }
 272             }
 273             output.shouldHaveExitValue(ret);
 274         } catch (Exception e) {
 275             checkCommonExecExceptions(output, e);
 276         }
 277 
 278         return output;
 279     }
 280 
 281 
 282     // Convenience concatenation utils
 283     public static String[] list(String ...args) {
 284         return args;
 285     }
 286 
 287 
 288     public static String[] list(String arg, int count) {
 289         ArrayList<String> stringList = new ArrayList<String>();
 290         for (int i = 0; i < count; i++) {
 291             stringList.add(arg);
 292         }
 293 
 294         String outputArray[] = stringList.toArray(new String[stringList.size()]);
 295         return outputArray;
 296     }
 297 
 298 
 299     public static String[] concat(String... args) {
 300         return list(args);
 301     }
 302 
 303 
 304     public static String[] concat(String prefix[], String... extra) {
 305         ArrayList<String> list = new ArrayList<String>();
 306         for (String s : prefix) {
 307             list.add(s);
 308         }
 309         for (String s : extra) {
 310             list.add(s);
 311         }
 312 
 313         return list.toArray(new String[list.size()]);
 314     }
 315 
 316 
 317     // ===================== Concatenate paths
 318     public static String concatPaths(String... paths) {
 319         String prefix = "";
 320         String s = "";
 321         for (String p : paths) {
 322             s += prefix;
 323             s += p;
 324             prefix = File.pathSeparator;
 325         }
 326         return s;
 327     }
 328 
 329 
 330     public static String getTestJar(String jar) {
 331         File jarFile = CDSTestUtils.getTestArtifact(jar, true);
 332         if (!jarFile.isFile()) {
 333             throw new RuntimeException("Not a regular file: " + jarFile.getPath());
 334         }
 335         return jarFile.getPath();
 336     }
 337 
 338 
 339     public static String getTestDir(String d) {
 340         File dirFile = CDSTestUtils.getTestArtifact(d, true);
 341         if (!dirFile.isDirectory()) {
 342             throw new RuntimeException("Not a directory: " + dirFile.getPath());
 343         }
 344         return dirFile.getPath();
 345     }
 346 }