diff --git a/tests/utils.js b/tests/utils.js
index 70643802f8..ec88aa24c1 100644
--- a/tests/utils.js
+++ b/tests/utils.js
@@ -8,5 +8,28 @@ describe("Utility Methods", function(){
 			var username = "John\"'-. Doeäâèéë1234";
 			assert(utils.isUserNameValid(username), 'invalid username');
 		});
+		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(){
+			var email = 'sample@example.com';
+			assert(utils.isEmailValid(email), 'invalid email');
+		});
+		it("rejects empty address", function(){
+			var email = '';
+			assert.ifError(utils.isEmailValid(email), 'accepted as valid email');
+		});
+	});
+
+	describe("UUID generation", function(){
+		it("return unique random value every time", function(){
+			var uuid1 = utils.generateUUID(),
+				uuid2 = utils.generateUUID();
+			assert.notEqual(uuid1, uuid2, "matches");
+		});
 	});
 });