1 /*
   2  * Copyright (c) 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 package jdk.security.logging;
  25 
  26 import java.nio.file.Paths;
  27 import java.util.ArrayList;
  28 import java.util.Arrays;
  29 import java.util.List;
  30 
  31 import jdk.test.lib.process.OutputAnalyzer;
  32 import jdk.test.lib.process.ProcessTools;
  33 
  34 public final class LogJvm {
  35     private final static String LOGGING_ENABLED= "LOGGING_ENABLED";
  36     private final static String LOGGING_DISABLED= "LOGGING_DISABLED";
  37 
  38     private final static boolean debug = false;
  39 
  40     private final List<String> expectedLogMessages = new ArrayList<>();
  41     private final Class<?> clazz;
  42     private final boolean loggingEnabled;
  43 
  44     public LogJvm(Class<?> clazz, String[] args) {
  45         this.clazz = clazz;
  46         this.loggingEnabled = Arrays.asList(args).contains(LOGGING_ENABLED);
  47         ensureLogging(args);
  48     }
  49 
  50     private void ensureLogging(String[] args) {
  51         for(String s : args) {
  52             if (s.equals(LOGGING_ENABLED) || s.equals(LOGGING_DISABLED)) {
  53                 return;
  54             }
  55         }
  56         throw new RuntimeException(LogJvm.class.getName() +
  57             " requires command line parameter " + LOGGING_ENABLED +
  58             " or " + LOGGING_DISABLED);
  59     }
  60 
  61     public void addExpected(String logMsg) {
  62         expectedLogMessages.add(logMsg);
  63     }
  64 
  65     public void testExpected() throws Exception {
  66         OutputAnalyzer out = launchJVM();
  67         if (debug) {
  68             System.out.println("STDOUT DEBUG:\n " + out.getStdout());
  69             System.out.println("\nSTDERR DEBUG:\n " + out.getStderr());
  70         }
  71         if (loggingEnabled) {
  72             testLoggingEnabled(out);
  73         } else {
  74             testLoggingDisabled(out);
  75         }
  76     }
  77 
  78     public OutputAnalyzer launchJVM() throws Exception {
  79         List<String> args = new ArrayList<>();
  80         if (loggingEnabled) {
  81             args.add("-Djava.util.logging.config.file=" +
  82                 Paths.get(System.getProperty("test.src", "."), "logging.properties"));
  83         }
  84         args.add("--add-exports");
  85         args.add("java.base/jdk.internal.event=ALL-UNNAMED");
  86         args.add(clazz.getName());
  87         System.out.println(args);
  88         OutputAnalyzer out = ProcessTools.executeTestJava(args.toArray(new String[0]));
  89         out.shouldHaveExitValue(0);
  90         return out;
  91     }
  92 
  93     private void testLoggingDisabled(OutputAnalyzer out) {
  94         for (String expected : expectedLogMessages) {
  95             out.shouldNotContain(expected);
  96         }
  97     }
  98 
  99     private void testLoggingEnabled(OutputAnalyzer out) {
 100         for (String expected : expectedLogMessages) {
 101             out.shouldContain(expected);
 102         }
 103     }
 104 }