(test) Added tests for error pass thru

test/vows-error-test.js

@@ -0,0 +1,51 @@
+var path   = require('path'),
+    events = require('events'),
+    assert = require('assert'),
+    fs     = require('fs'),
+    vows   = require('../lib/vows');
+
+function doSomethingAsync(callback) {
+  	var err = null;
+  	var testValue = 'a';
+
+  	process.nextTick(function() {
+  		  callback(err, testValue);
+  	});
+}
+
+function doSomethingAsyncWithError(callback) {
+  	var err = true;
+  	var testValue = 'a';
+
+  	process.nextTick(function() {
+  		  callback(err, testValue);
+  	});
+}
+
+
+vows.describe('vows/error').addBatch({
+	'Generate success response to async function': {
+    		topic: function() {
+    			  doSomethingAsync(this.callback)
+    		},
+    		'Validate success': function(err, testValue) {
+    			  assert.ok(!err);
+    		},
+    		'Validate testValue': function(err, testValue) {
+    			  assert.equal(testValue, 'a');
+    		}
+  	},
+
+  	'Generate error response to async function': {
+    		topic: function() {
+    			  doSomethingAsyncWithError(this.callback)
+    		},
+    		'Validate error': function(err, testValue) {
+    			  assert.ok(err);
+    		},
+    		'Validate testValue': function(err, testValue) {
+    			  // This assertion fails. It shouldn't.
+    			  assert.equal(testValue, 'a');
+    		}
+  	}
+}).export(module)