write test for cleanUpTag

test/utils.js

@@ -1,38 +1,55 @@
 'use strict';
 /*global require*/
 
-var assert = require('assert'),
-	utils = require('./../public/src/utils.js');
+var assert = require('assert');
+var utils = require('./../public/src/utils.js');
 
 
-describe('Utility Methods', function (){
-	describe('username validation', function (){
+describe('Utility Methods', function () {
+	describe('username validation', function () {
 		it('accepts latin-1 characters', function (){
 			var username = "John\"'-. Doeäâèéë1234";
 			assert(utils.isUserNameValid(username), 'invalid username');
 		});
-		it('rejects empty string', function (){
+		it('rejects empty string', function () {
 			var username = '';
 			assert.ifError(utils.isUserNameValid(username), 'accepted as valid username');
 		});
 	});
 
-	describe('email validation', function (){
-		it('accepts sample address', function (){
+	describe('email validation', function () {
+		it('accepts sample address', function () {
 			var email = 'sample@example.com';
 			assert(utils.isEmailValid(email), 'invalid email');
 		});
-		it('rejects empty address', function (){
+		it('rejects empty address', function () {
 			var email = '';
 			assert.ifError(utils.isEmailValid(email), 'accepted as valid email');
 		});
 	});
 
-	describe('UUID generation', function (){
+	describe('UUID generation', function () {
 		it('return unique random value every time', function (){
 			var uuid1 = utils.generateUUID(),
 				uuid2 = utils.generateUUID();
 			assert.notEqual(uuid1, uuid2, 'matches');
 		});
 	});
+
+	describe('cleanUpTag', function () {
+		it('should cleanUp a tag', function (done) {
+			var cleanedTag = utils.cleanUpTag(',\/#!$%\^\*;TaG1:{}=_`<>\'"~()?\|');
+			assert.equal(cleanedTag, 'tag1');
+			done();
+		});
+
+		it('should return empty string for invalid tags', function (done) {
+			assert.strictEqual(utils.cleanUpTag(undefined), '');
+			assert.strictEqual(utils.cleanUpTag(null), '');
+			assert.strictEqual(utils.cleanUpTag(false), '');
+			assert.strictEqual(utils.cleanUpTag(1), '');
+			assert.strictEqual(utils.cleanUpTag(0), '');
+			done();
+		});
+	});
 });