1 /*
   2  * Copyright (c) 2013, 2014, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.glass.ui.monocle;
  27 
  28 import junit.framework.AssertionFailedError;
  29 
  30 import java.util.ArrayList;
  31 import java.util.Arrays;
  32 import java.util.Formatter;
  33 import java.util.List;
  34 
  35 public class TestLog {
  36 
  37     private static final long DEFAULT_TIMEOUT = 3000l;
  38 
  39     private static final List<String> log = new ArrayList<>();
  40     private static final Object lock = new Object();
  41 
  42     private static long startTime = System.currentTimeMillis();
  43 
  44     public static void log(String s) {
  45         synchronized (lock) {
  46             if (TestApplication.isVerbose()) {
  47                 System.out.println(timestamp() + " TestLog: " + s);
  48             }
  49             log.add(s);
  50             lock.notifyAll();
  51         }
  52     }
  53 
  54     public static void format(String format, Object... args) {
  55         log(new Formatter().format(format, args).toString());
  56     }
  57 
  58     public static  List<String> getLog() {
  59         return new ArrayList<>(log);
  60     }
  61 
  62     public static void clear() {
  63         synchronized (lock) {
  64             log.clear();
  65         }
  66     }
  67 
  68     public static void reset() {
  69         synchronized (lock) {
  70             log.clear();
  71             startTime = System.currentTimeMillis();
  72         }
  73     }
  74 
  75     public static String timestamp() {
  76         long time = System.currentTimeMillis() - startTime;
  77         StringBuffer sb = new StringBuffer().append(time);
  78         while (sb.length() < 4) {
  79             sb.insert(0, "0");
  80         }
  81         while (sb.length() < 8) {
  82             sb.insert(0, " ");
  83         }
  84         sb.insert(sb.length() - 3, ".");
  85         return sb.toString();
  86     }
  87 
  88     public static Object getLock() {
  89         return lock;
  90     }
  91 
  92     public static int countLog(String s, int startIndex, boolean exact) {
  93         int count = 0;
  94         for (int i = startIndex; i < log.size(); i++) {
  95             String line  = log.get(i);
  96             if (exact) {
  97                 if (line.equals(s)) {
  98                     count ++;
  99                 }
 100             } else {
 101                 if (line.indexOf(s) >= 0) {
 102                     count ++;
 103                 }
 104             }
 105         }
 106         return count;
 107     }
 108 
 109     public static int countLog(String s) {
 110         return countLog(s, 0, true);
 111     }
 112 
 113     public static int countLogContaining(String s) {
 114         return countLog(s, 0, false);
 115     }
 116 
 117     private static String checkLog(String[] matches, int startIndex, boolean exact) {
 118         for (int i = startIndex; i < log.size(); i++) {
 119             String line  = log.get(i);
 120             if (matches.length == 1) {
 121                 if (exact) {
 122                     if (line.equals(matches[0])) {
 123                         return line;
 124                     }
 125                 } else {
 126                     if (line.indexOf(matches[0]) >= 0) {
 127                         return line;
 128                     }
 129                 }
 130             } else {
 131                 boolean isMatch = true;
 132                 for (String match : matches) {
 133                     if (line.indexOf(match) < 0) {
 134                         isMatch = false;
 135                         break;
 136                     }
 137                 }
 138                 if (isMatch) {
 139                     return line;
 140                 }
 141             }
 142         }
 143         return null;
 144     }
 145 
 146     public static boolean checkLog(String s) {
 147         return checkLog(new String[] {s}, 0, true) != null;
 148     }
 149 
 150     public static boolean checkLogContaining(String s) {
 151         return checkLog(new String[] {s}, 0, false) != null;
 152     }
 153 
 154     public static void assertLog(String s) {
 155         synchronized (lock) {
 156             if (!checkLog(s)) {
 157                 String err = "No line '" + s + "' in log";
 158                 if (TestApplication.isVerbose()) {
 159                     System.out.println(err);
 160                 }
 161                 throw new AssertionFailedError(err);
 162             }
 163         }
 164     }
 165 
 166     public static void assertLogContaining(String s) {
 167         synchronized (lock) {
 168             if (!checkLogContaining(s)) {
 169                 String err = "No line containing '" + s + "' in log";
 170                 if (TestApplication.isVerbose()) {
 171                     System.out.println(err);
 172                 }
 173                 throw new AssertionFailedError(err);
 174             }
 175         }
 176     }
 177 
 178     private static String waitForLog(String[] s, long timeout, boolean exact) throws InterruptedException {
 179         long startTime = System.currentTimeMillis();
 180         long timeNow = startTime;
 181         long endTime = timeNow + (long) (timeout * TestApplication.getTimeScale());
 182         String line;
 183         String logString = Arrays.toString(s).substring(1, Arrays.toString(s).length() - 1);
 184         synchronized (lock) {
 185             int index = 0;
 186             while ((line = checkLog(s, index, exact)) == null) {
 187                 index = log.size();
 188                 if (endTime - timeNow > 0) {
 189                     lock.wait(endTime - timeNow);
 190                 }
 191                 timeNow = System.currentTimeMillis();
 192                 if (timeNow >= endTime) {
 193                     String message = "Timed out after " + (timeNow - startTime)
 194                             + "ms waiting for '" + logString + "'";
 195                     if (!TestApplication.isVerbose()) {
 196                         System.out.flush();
 197                         System.err.flush();
 198                         for (String logLine: log) {
 199                             System.out.println(logLine);
 200                         }
 201                     }
 202                     System.out.println(message);
 203                     throw new AssertionFailedError(message);
 204                 }
 205             }
 206         }
 207         long matchTime = System.currentTimeMillis() - startTime;
 208         if (TestApplication.isVerbose()) {
 209             if (exact) {
 210                 System.out.println("TestLog matched '"
 211                         + logString + "' in "
 212                         + matchTime + "ms");
 213 
 214             } else {
 215                 System.out.println("TestLog matched '"
 216                         + logString + "' with '"
 217                         + line + "' in "
 218                         + matchTime + "ms");
 219             }
 220         }
 221         return line;
 222     }
 223 
 224     public static String waitForLog(String s, long timeout) throws InterruptedException {
 225         return waitForLog(new String [] {s}, timeout, true);
 226     }
 227 
 228     public static String waitForLogContaining(String s, long timeout) throws InterruptedException {
 229         return waitForLog(new String [] {s}, timeout, false);
 230     }
 231 
 232     public static String waitForLog(String format, Object... args) throws InterruptedException {
 233         return waitForLog(new Formatter().format(format, args).toString(),
 234                           DEFAULT_TIMEOUT);
 235     }
 236 
 237     public static String waitForLogContaining(String format, Object... args) throws InterruptedException {
 238         return waitForLogContaining(new Formatter().format(format, args).toString(),
 239                           DEFAULT_TIMEOUT);
 240     }
 241 
 242     public static String waitForLogContainingSubstrings(String... s) throws InterruptedException {
 243         return waitForLog(s, DEFAULT_TIMEOUT, false);
 244     }
 245 }