make console reporter a little more powerful

lib/vows/reporters/console.js

@@ -2,9 +2,14 @@ var sys = require('sys');
 //
 // Console reporter
 //
-this.report = function (data) {
+var stream, buffer;
+
+this.report = function (data, s) {
     var event = data[1];
 
+    stream = typeof(s) === 'object' ? s : process.stdout;
+    buffer = [];
+
     switch (data[0]) {
         case 'subject':
             puts('\n' + stylize(event, 'underline') + '\n');
@@ -37,22 +42,25 @@ this.report = function (data) {
             style  = event.honored === event.total ? ('green')
                                                    : (event.errored === 0 ? 'yellow' : 'red');
 
-            puts("\nVerified " + event.total + " vows in " +
-                (event.time + " seconds."));
-            puts("\n" + stylize(result, style));
+            if (event.time) {
+                puts("\nVerified " + event.total + " vows in " +
+                    (event.time + " seconds.\n"));
+            }
+            puts(stylize(result, style));
             break;
         case 'error':
             puts('\n * ' + stylize(event.error, 'red'));
             break;
     }
+    return buffer.join('');
 };
 
 function puts(args) {
     args = Array.prototype.slice.call(arguments).map(function (a) {
         return a.replace(/`([^`]+)`/g,   function (_, capture) { return stylize(capture, 'italic') })
                 .replace(/\*([^*]+)\*/g, function (_, capture) { return stylize(capture, 'bold') });
     });
-    sys.puts.apply(null, args);
+    return stream ? stream.write(args.join('\n') + '\n') : buffer.push(args);
 }
 
 // Stylize a string