Add color indication to progress.

tools/testing/dart/test_progress.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #library("test_progress");
 
 #import("test_runner.dart");
 #import("test_suite.dart");
 
 class ProgressIndicator {
   ProgressIndicator(this._startTime);
 
   factory ProgressIndicator.fromName(String name, Date startTime) {
     switch (name) {
       case 'compact':
         return new CompactProgressIndicator(startTime);
+      case 'color':
+        return new ColorProgressIndicator(startTime);
       case 'line':
         return new LineProgressIndicator(startTime);
       case 'verbose':
         return new VerboseProgressIndicator(startTime);
       case 'status':
         return new StatusProgressIndicator(startTime);
       case 'buildbot':
         return new BuildbotProgressIndicator(startTime);
       default:
         assert(false);
@@ skipping 107 matching lines @@
         '\r[${_timeString()} | $percentPadded% | ' +
         '+$passedPadded | -$failedPadded]';
     stdout.write(progressLine.charCodes());
   }
 
   void _printStartProgress(TestCase test) => _printProgress();
   void _printDoneProgress(TestCase test) => _printProgress();
 }
 
 
+class ColorProgressIndicator extends ProgressIndicator {
+  ColorProgressIndicator(Date startTime) : super(startTime);
+
+  void allDone() {
+    SummaryReport.printReport();
+    stdout.write('\n'.charCodes());
+    stdout.close();
+  }
+
+  static int GREEN = 32;
+  static int RED = 31;
+  static int NONE = 0;
+
+  addColorWrapped(List<int> codes, String string, int color) {
+    codes.add(27);
+    codes.addAll('[${color}m'.charCodes());
+    codes.addAll(string.charCodes());
+    codes.add(27);
+    codes.addAll('[0m'.charCodes());
+  }
+
+  void _printProgress() {
+    var percent = ((_completedTests() / _foundTests) * 100).floor().toString();
+    var percentPadded = _pad(percent, 5);
+    var passedPadded = _pad(_passedTests.toString(), 5);
+    var failedPadded = _pad(_failedTests.toString(), 5);
+    var progressLine = [];
+    progressLine.addAll('\r[${_timeString()} | $percentPadded% | '.charCodes());
+    addColorWrapped(progressLine, '+$passedPadded ', GREEN);
+    progressLine.addAll('| '.charCodes());
+    var failedColor = (_failedTests != 0) ? RED : NONE;
+    addColorWrapped(progressLine, '-$failedPadded', failedColor);
+    progressLine.addAll(']'.charCodes());
+    stdout.write(progressLine);
+  }
+
+  void _printStartProgress(TestCase test) => _printProgress();
+  void _printDoneProgress(TestCase test) => _printProgress();
+}
+
+
+
 class LineProgressIndicator extends ProgressIndicator {
   LineProgressIndicator(Date startTime) : super(startTime);
 
   void allDone() {
     _printStatus();
     SummaryReport.printReport();
   }
 
   void _printStartProgress(TestCase test) {
   }
@@ skipping 60 matching lines @@
     var status = 'pass';
     if (test.output.unexpectedOutput) {
       status = 'fail';
     }
     var percent = ((_completedTests() / _foundTests) * 100).toInt().toString();
     print('Done ${test.displayName}: $status');
     print('@@@STEP_CLEAR@@@');
     print('@@@STEP_TEXT@ $percent% +$_passedTests -$_failedTests @@@');
   }
 }