1 /*
   2  * Copyright (c) 2016, 2020, 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.
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  23 
  24 /* @test
  25  * @summary a jtreg wrapper for gtest tests
  26  * @library /test/lib
  27  * @modules java.base/jdk.internal.misc
  28  *          java.xml
  29  * @requires vm.flagless
  30  * @run main/native GTestWrapper
  31  */
  32 
  33 import jdk.test.lib.Platform;
  34 import jdk.test.lib.Utils;
  35 import jdk.test.lib.process.ProcessTools;
  36 
  37 import java.io.File;
  38 import java.nio.file.Files;
  39 import java.nio.file.Path;
  40 import java.nio.file.Paths;
  41 import java.util.Collections;
  42 import java.util.List;
  43 import java.util.Map;
  44 
  45 public class GTestWrapper {
  46     public static void main(String[] args) throws Throwable {
  47         // gtestLauncher is located in <test_image>/hotspot/gtest/<vm_variant>/
  48         // nativePath points either to <test_image>/hotspot/jtreg/native or to <test_image>/hotspot/gtest
  49         Path nativePath = Paths.get(System.getProperty("test.nativepath"));
  50         String jvmVariantDir = getJVMVariantSubDir();
  51         // let's assume it's <test_image>/hotspot/gtest
  52         Path path = nativePath.resolve(jvmVariantDir);
  53         if (!path.toFile().exists()) {
  54             // maybe it is <test_image>/hotspot/jtreg/native
  55             path = nativePath.getParent()
  56                              .getParent()
  57                              .resolve("gtest")
  58                              .resolve(jvmVariantDir);
  59         }
  60         if (!path.toFile().exists()) {
  61             throw new Error("TESTBUG: the library has not been found in " + nativePath);
  62         }
  63 
  64         Path execPath = path.resolve("gtestLauncher" + (Platform.isWindows() ? ".exe" : ""));
  65         ProcessBuilder pb = new ProcessBuilder();
  66         Map<String, String> env = pb.environment();
  67 
  68         // The GTestWrapper was started using the normal java launcher, which
  69         // may have set LD_LIBRARY_PATH or LIBPATH to point to the jdk libjvm. In
  70         // that case, prepend the path with the location of the gtest library."
  71 
  72         String pathVar = Platform.sharedLibraryPathVariableName();
  73         String ldLibraryPath = System.getenv(pathVar);
  74         if (ldLibraryPath != null) {
  75             env.put(pathVar, path + File.pathSeparator + ldLibraryPath);
  76         }
  77 
  78         Path resultFile = Paths.get("test_result.xml");
  79         pb.command(execPath.toAbsolutePath().toString(),
  80                 "-jdk", Utils.TEST_JDK,
  81                 "--gtest_output=xml:" + resultFile);
  82         int exitCode = ProcessTools.executeCommand(pb).getExitValue();
  83         if (exitCode != 0) {
  84             List<String> failedTests = failedTests(resultFile);
  85             String message = "gtest execution failed; exit code = " + exitCode + ".";
  86             if (!failedTests.isEmpty()) {
  87                 message += " the failed tests: " + failedTests;
  88             }
  89             throw new AssertionError(message);
  90         }
  91     }
  92 
  93     private static List<String> failedTests(Path xml) {
  94         if (!Files.exists(xml)) {
  95             System.err.println("WARNING: test result file (" + xml + ") hasn't been found");
  96         }
  97 
  98         try {
  99             return new GTestResultParser(xml).failedTests();
 100         } catch (Throwable t) {
 101             System.err.println("WARNING: failed to parse result file (" + xml + ") " + t);
 102             t.printStackTrace();
 103         }
 104         return Collections.emptyList();
 105     }
 106 
 107     private static String getJVMVariantSubDir() {
 108         if (Platform.isServer()) {
 109             return "server";
 110         } else if (Platform.isClient()) {
 111             return "client";
 112         } else if (Platform.isMinimal()) {
 113             return "minimal";
 114         } else {
 115             throw new Error("TESTBUG: unsuppported vm variant");
 116         }
 117     }
 118 }