validatorjs/spec/lang.js

if (typeof require !== 'undefined') {
  var Validator = require('../src/validator.js');
  var expect = require('chai').expect;
} else {
  var Validator = window.Validator;
  var expect = window.chai.expect;
}

describe('lang / messages', function() {
  it('should default to english', function() {
    expect(Validator.getDefaultLang()).to.equal('en');
  });

  it('should be able to change lang', function() {
    var oldLang = Validator.getDefaultLang();
    Validator.useLang('ru');
    expect(Validator.getDefaultLang()).to.equal('ru');
    Validator.useLang(oldLang);
  });

  it('should be able to add custom', function() {
    var oldLang = Validator.getDefaultLang();
    var rawMessages = {
      required: 'Le nkundla iyadingeka',
      attributes: {}
    };
    Validator.setMessages('zu', rawMessages);
    Validator.useLang('zu');
    var validator = new Validator({
      zip: ''
    }, {
      zip: 'required'
    });

    var messages = Validator.getMessages('zu');
    expect(messages).to.equal(rawMessages);
    expect(validator.fails()).to.be.true;
    expect(validator.errors.first('zip')).to.equal('Le nkundla iyadingeka');
    Validator.useLang(oldLang);
  });
});