validatorjs/spec/hex-rule.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('hex validation rule', function() {
  it('should fail with incorrect hexadecimal values', function() {
    var validator = new Validator({
      color: '4d4b8z',
    }, {
      color: 'hex',
    });

    expect(validator.fails()).to.be.true;
    expect(validator.passes()).to.be.false;
  }); 

  it('should pass for valid hexadecimal values ', function() {
    var validator = new Validator({
      mongoId: '54759eb3c090d83494e2d804',
      symbolStr: '0',
      symbolNum: 0,
      str: 'a'
    }, {
      color: 'hex',
      mongoId: 'hex',
      symbolStr: 'hex',
      symbolNum: 'hex',
      str: 'hex'
    });

    expect(validator.fails()).to.be.false;
    expect(validator.passes()).to.be.true;
  });

  it('should pass with an empty value', function() {
    var validator = new Validator({
      color: '',
      mongoId: ''
    }, {
      color: 'hex',
      mongoId: 'hex'
    });

    expect(validator.fails()).to.be.false;
    expect(validator.passes()).to.be.true;
  });

  it('should pass with an undefined value', function() {
    var validator = new Validator({}, {
      color: 'hex',
      mongoId: 'hex'
    });

    expect(validator.fails()).to.be.false;
    expect(validator.passes()).to.be.true;
  });
});