validation unit tests for validation > validator presence plus small refactor on validator

client/core/src/directives/specs/validation.spec.js

@@ -34,7 +34,6 @@ describe('Directive validation', () => {
         }).toThrow(new Error(`vnValidation: Entity 'User' doesn't exist`));
     });
 
-    // should adapt the test to whathver needs to test the user name instead of mail validation as it should be in mail-validation.js
     describe('Validator Presence()', () => {
         it('should not validate the user name as it is an empty string', () => {
             let html = `<form><input type="name" ng-model="user.name" vn-validation="user.name"/></form>`;

client/core/src/lib/validator.js

@@ -5,7 +5,7 @@ export const validators = {
         if (validator.isEmpty(value))
             throw new Error(`Value can't be empty`);
     },
-    absence: function(value, conf) {
+    absence: value => {
         if (!validator.isEmpty(value))
             throw new Error(`Value should be empty`);
     },