1 /*
   2  * Copyright (c) 2014, 2019, 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.Arrays;
  37 import java.util.ArrayList;
  38 import java.util.Date;
  39 
  40 /**
  41  * This is a test utility class for common AppCDS test functionality.
  42  *
  43  * Various methods use (String ...) for passing VM options. Note that the order
  44  * of the VM options are important in certain cases. Many methods take arguments like
  45  *
  46  *    (String prefix[], String suffix[], String... opts)
  47  *
  48  * Note that the order of the VM options is:
  49  *
  50  *    prefix + opts + suffix
  51  */
  52 public class TestCommon extends CDSTestUtils {
  53     private static final String JSA_FILE_PREFIX = System.getProperty("user.dir") +
  54         File.separator + "appcds-";
  55 
  56     private static final SimpleDateFormat timeStampFormat =
  57         new SimpleDateFormat("HH'h'mm'm'ss's'SSS");
  58 
  59     private static final String timeoutFactor =
  60         System.getProperty("test.timeout.factor", "1.0");
  61 
  62     private static String currentArchiveName;
  63 
  64     // Call this method to start new archive with new unique name
  65     public static void startNewArchiveName() {
  66         deletePriorArchives();
  67         currentArchiveName = JSA_FILE_PREFIX +
  68             timeStampFormat.format(new Date()) + ".jsa";
  69     }
  70 
  71     // Call this method to get current archive name
  72     public static String getCurrentArchiveName() {
  73         return currentArchiveName;
  74     }
  75 
  76     // Attempt to clean old archives to preserve space
  77     // Archives are large artifacts (20Mb or more), and much larger than
  78     // most other artifacts created in jtreg testing.
  79     // Therefore it is a good idea to clean the old archives when they are not needed.
  80     // In most cases the deletion attempt will succeed; on rare occasion the
  81     // delete operation will fail since the system or VM process still holds a handle
  82     // to the file; in such cases the File.delete() operation will silently fail, w/o
  83     // throwing an exception, thus allowing testing to continue.
  84     public static void deletePriorArchives() {
  85         File dir = new File(System.getProperty("user.dir"));
  86         String files[] = dir.list();
  87         for (String name : files) {
  88             if (name.startsWith("appcds-") && name.endsWith(".jsa")) {
  89                 if (!(new File(dir, name)).delete())
  90                     System.out.println("deletePriorArchives(): delete failed for file " + name);
  91             }
  92         }
  93     }
  94 
  95 
  96     // Create AppCDS archive using most common args - convenience method
  97     // Legacy name preserved for compatibility
  98     public static OutputAnalyzer dump(String appJar, String classList[],
  99                                                String... suffix) throws Exception {
 100         return createArchive(appJar, classList, suffix);
 101     }
 102 
 103 
 104     // Create AppCDS archive using most common args - convenience method
 105     public static OutputAnalyzer createArchive(String appJar, String classList[],
 106                                                String... suffix) throws Exception {
 107         AppCDSOptions opts = (new AppCDSOptions()).setAppJar(appJar);
 108         opts.setClassList(classList);
 109         opts.addSuffix(suffix);
 110         return createArchive(opts);
 111     }
 112 
 113     // Create AppCDS archive using appcds options
 114     public static OutputAnalyzer createArchive(AppCDSOptions opts)
 115         throws Exception {
 116 
 117         ArrayList<String> cmd = new ArrayList<String>();
 118         startNewArchiveName();
 119 
 120         for (String p : opts.prefix) cmd.add(p);
 121 
 122         if (opts.appJar != null) {
 123             cmd.add("-cp");
 124             cmd.add(opts.appJar);
 125         } else {
 126             cmd.add("-Djava.class.path=");
 127         }
 128 
 129         cmd.add("-Xshare:dump");
 130 
 131         if (opts.archiveName == null)
 132             opts.archiveName = getCurrentArchiveName();
 133 
 134         cmd.add("-XX:SharedArchiveFile=" + opts.archiveName);
 135 
 136         if (opts.classList != null) {
 137             File classListFile = makeClassList(opts.classList);
 138             cmd.add("-XX:ExtraSharedClassListFile=" + classListFile.getPath());
 139         }
 140 
 141         for (String s : opts.suffix) cmd.add(s);
 142 
 143         String[] cmdLine = cmd.toArray(new String[cmd.size()]);
 144         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, cmdLine);
 145         return executeAndLog(pb, "dump");
 146     }
 147 
 148 
 149     // Execute JVM using AppCDS archive with specified AppCDSOptions
 150     public static OutputAnalyzer runWithArchive(AppCDSOptions opts)
 151         throws Exception {
 152       ProcessBuilder pb = createProcessBuilderWithArchive(opts);
 153       return executeAndLog(pb, "exec");
 154     }
 155 
 156     public static ProcessBuilder createProcessBuilderWithArchive(AppCDSOptions opts)
 157         throws Exception {
 158 
 159         ArrayList<String> cmd = new ArrayList<String>();
 160 
 161         for (String p : opts.prefix) cmd.add(p);
 162 
 163         cmd.add("-Xshare:" + opts.xShareMode);
 164         cmd.add("-showversion");
 165         cmd.add("-XX:SharedArchiveFile=" + getCurrentArchiveName());
 166         cmd.add("-Dtest.timeout.factor=" + timeoutFactor);
 167 
 168         if (opts.appJar != null) {
 169             cmd.add("-cp");
 170             cmd.add(opts.appJar);
 171         }
 172 
 173         for (String s : opts.suffix) cmd.add(s);
 174 
 175         String[] cmdLine = cmd.toArray(new String[cmd.size()]);
 176         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, cmdLine);
 177         return pb;
 178     }
 179 
 180 
 181     public static OutputAnalyzer execCommon(String... suffix) throws Exception {
 182         AppCDSOptions opts = (new AppCDSOptions());
 183         opts.addSuffix(suffix);
 184         return runWithArchive(opts);
 185     }
 186 
 187     // This is the new API for running a Java process with CDS enabled.
 188     // See comments in the CDSTestUtils.Result class for how to use this method.
 189     public static Result run(String... suffix) throws Exception {
 190         AppCDSOptions opts = (new AppCDSOptions());
 191         opts.addSuffix(suffix);
 192         return new Result(opts, runWithArchive(opts));
 193     }
 194 
 195     public static OutputAnalyzer exec(String appJar, String... suffix) throws Exception {
 196         AppCDSOptions opts = (new AppCDSOptions()).setAppJar(appJar);
 197         opts.addSuffix(suffix);
 198         return runWithArchive(opts);
 199     }
 200 
 201     public static Result runWithModules(String prefix[], String upgrademodulepath, String modulepath,
 202                                             String mid, String... testClassArgs) throws Exception {
 203         AppCDSOptions opts = makeModuleOptions(prefix, upgrademodulepath, modulepath,
 204                                                mid, testClassArgs);
 205         return new Result(opts, runWithArchive(opts));
 206     }
 207 
 208     public static OutputAnalyzer execAuto(String... suffix) throws Exception {
 209         AppCDSOptions opts = (new AppCDSOptions());
 210         opts.addSuffix(suffix).setXShareMode("auto");
 211         return runWithArchive(opts);
 212     }
 213 
 214     public static ProcessBuilder createProcessBuilderWithAutoArchive(String... suffix) throws Exception {
 215         AppCDSOptions opts = (new AppCDSOptions());
 216         opts.addSuffix(suffix).setXShareMode("auto");
 217         return createProcessBuilderWithArchive(opts);
 218     }
 219 
 220     public static OutputAnalyzer execOff(String... suffix) throws Exception {
 221         AppCDSOptions opts = (new AppCDSOptions());
 222         opts.addSuffix(suffix).setXShareMode("off");
 223         return runWithArchive(opts);
 224     }
 225 
 226 
 227     private static AppCDSOptions makeModuleOptions(String prefix[], String upgrademodulepath, String modulepath,
 228                                             String mid, String testClassArgs[]) {
 229         AppCDSOptions opts = (new AppCDSOptions());
 230 
 231         opts.addPrefix(prefix);
 232         if (upgrademodulepath == null) {
 233             opts.addSuffix("-p", modulepath, "-m", mid);
 234         } else {
 235             opts.addSuffix("--upgrade-module-path", upgrademodulepath,
 236                            "-p", modulepath, "-m", mid);
 237         }
 238         opts.addSuffix(testClassArgs);
 239         return opts;
 240     }
 241 
 242     public static OutputAnalyzer execModule(String prefix[], String upgrademodulepath, String modulepath,
 243                                             String mid, String... testClassArgs)
 244         throws Exception {
 245         AppCDSOptions opts = makeModuleOptions(prefix, upgrademodulepath, modulepath,
 246                                                mid, testClassArgs);
 247         return runWithArchive(opts);
 248     }
 249 
 250 
 251     // A common operation: dump, then check results
 252     public static OutputAnalyzer testDump(String appJar, String classList[],
 253                                           String... suffix) throws Exception {
 254         OutputAnalyzer output = dump(appJar, classList, suffix);
 255         output.shouldContain("Loading classes to share");
 256         output.shouldHaveExitValue(0);
 257         return output;
 258     }
 259 
 260 
 261     /**
 262      * Simple test -- dump and execute appJar with the given classList in classlist.
 263      */
 264     public static OutputAnalyzer test(String appJar, String classList[], String... args)
 265         throws Exception {
 266         testDump(appJar, classList);
 267 
 268         OutputAnalyzer output = exec(appJar, args);
 269         return checkExec(output);
 270     }
 271 
 272 
 273     public static OutputAnalyzer checkExecReturn(OutputAnalyzer output, int ret,
 274                            boolean checkContain, String... matches) throws Exception {
 275         try {
 276             for (String s : matches) {
 277                 if (checkContain) {
 278                     output.shouldContain(s);
 279                 } else {
 280                     output.shouldNotContain(s);
 281                 }
 282             }
 283             output.shouldHaveExitValue(ret);
 284         } catch (Exception e) {
 285             checkCommonExecExceptions(output, e);
 286         }
 287 
 288         return output;
 289     }
 290 
 291 
 292     // Convenience concatenation utils
 293     public static String[] list(String ...args) {
 294         return args;
 295     }
 296 
 297 
 298     public static String[] list(String arg, int count) {
 299         ArrayList<String> stringList = new ArrayList<String>();
 300         for (int i = 0; i < count; i++) {
 301             stringList.add(arg);
 302         }
 303 
 304         String outputArray[] = stringList.toArray(new String[stringList.size()]);
 305         return outputArray;
 306     }
 307 
 308 
 309     public static String[] concat(String... args) {
 310         return list(args);
 311     }
 312 
 313 
 314     public static String[] concat(String prefix[], String... extra) {
 315         ArrayList<String> list = new ArrayList<String>();
 316         for (String s : prefix) {
 317             list.add(s);
 318         }
 319         for (String s : extra) {
 320             list.add(s);
 321         }
 322 
 323         return list.toArray(new String[list.size()]);
 324     }
 325 
 326 
 327     // ===================== Concatenate paths
 328     public static String concatPaths(String... paths) {
 329         String prefix = "";
 330         String s = "";
 331         for (String p : paths) {
 332             s += prefix;
 333             s += p;
 334             prefix = File.pathSeparator;
 335         }
 336         return s;
 337     }
 338 
 339 
 340     public static String getTestJar(String jar) {
 341         File jarFile = CDSTestUtils.getTestArtifact(jar, true);
 342         if (!jarFile.isFile()) {
 343             throw new RuntimeException("Not a regular file: " + jarFile.getPath());
 344         }
 345         return jarFile.getPath();
 346     }
 347 
 348 
 349     public static String getTestDir(String d) {
 350         File dirFile = CDSTestUtils.getTestArtifact(d, true);
 351         if (!dirFile.isDirectory()) {
 352             throw new RuntimeException("Not a directory: " + dirFile.getPath());
 353         }
 354         return dirFile.getPath();
 355     }
 356 
 357     public static boolean checkOutputStrings(String outputString1,
 358                                              String outputString2,
 359                                              String split_regex) {
 360         String[] sa1 = outputString1.split(split_regex);
 361         String[] sa2 = outputString2.split(split_regex);
 362         Arrays.sort(sa1);
 363         Arrays.sort(sa2);
 364 
 365         int i = 0;
 366         for (String s : sa1) {
 367             if (!s.equals(sa2[i])) {
 368                 throw new RuntimeException(s + " is different from " + sa2[i]);
 369             }
 370             i ++;
 371         }
 372         return true;
 373     }
 374 }