Buffer test output, return EventEmitter.

lib/vows.js

@@ -31,6 +31,9 @@ var total  = 0, honored = 0,
 // Context stack, used in addVow() to keep track 
 var lastContext;
 
+// Output buffer
+var buffer;
+
 //
 // Assertion Macros
 //
@@ -123,6 +126,15 @@ function addVow(/* description & callback */) {
     }
 };
 
+function puts() {
+    var args = Array.prototype.slice.call(arguments);
+    if (vows.promise.listeners('end').length > 0) {
+        buffer.push(args.join('\n'));
+    } else {
+        sys.puts.apply(null, args);
+    }
+}
+
 function tryFinish(remaining) {
     // Output results once all the vows have been checked
     if (honored + broken + errored === total && remaining === 0) {
@@ -180,7 +192,12 @@ vows.tell = function (topic, tests) {
     this.tests = tests;
     this.remaining = 0;
 
-    var matcher = new(RegExp)(process.argv[2] || '.*');
+    // Reset values
+    total  = 0, honored = 0,
+    broken = 0, errored = 0;
+    buffer = [];
+
+    this.promise = new(events.EventEmitter);
 
     function Context(vow, ctx) {
         this.tests = vow.callback;
@@ -196,7 +213,7 @@ vows.tell = function (topic, tests) {
     }
 
     // We run the tests asynchronously, for added flexibility
-    return process.nextTick(function () {
+    process.nextTick(function () {
         var setup, vow;
 
         if (typeof topic === 'string' && tests) sys.puts('\n' + stylize(topic, 'underline') + '\n');
@@ -294,6 +311,7 @@ vows.tell = function (topic, tests) {
             })(new(Context)(new(Vow)(vows.tests, null, null), {}));
         }
     });
+    return this.promise;
 };
 
 

test/vows-test.js

@@ -16,12 +16,14 @@ var api = vows.prepare({
 var promiser = function (val) {
     return function () {
         var promise = new(events.EventEmitter);
+        setTimeout(function () {
         process.nextTick(function () { promise.emit('success', val) });
+    }, 200);
         return promise;
     }
 };
 
-vows.tell("Vows", {
+return vows.tell("Vows", {
     "A context": {
         setup: promiser("hello world"),