validatorjs/spec/size-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('size validation rule', function() {
  it('should fail with the state = C. Size must be 2 letters.', function() {
    var validator = new Validator({
      state: 'C'
    }, {
      state: 'size:2'
    });
    expect(validator.fails()).to.be.true;
  });

  it('should pass with the state = CA. Size must be 2 letters.', function() {
    var validator = new Validator({
      state: 'CA'
    }, {
      state: 'size:2'
    });
    expect(validator.passes()).to.be.true;
  });

  it('should pass with an empty string', function() {
    var validator = new Validator({
      state: ''
    }, {
      state: 'size:2'
    });
    expect(validator.passes()).to.be.true;
  });

  it('should pass with the age 65. Size must be 65', function() {
    var validator = new Validator({
      age: 65
    }, {
      age: 'size:65'
    });
    expect(validator.passes()).to.be.true;
  });

  it('should fail with the age 64. Size must be 65.', function() {
    var validator = new Validator({
      age: 64
    }, {
      age: 'size:65'
    });
    expect(validator.fails()).to.be.true;
  });

  it('should pass when no value exists in the input object', function() {
    var validator = new Validator({}, {
      age: 'size:65'
    });
    expect(validator.fails()).to.be.false;
    expect(validator.passes()).to.be.true;
  });

  it('should pass with string-integer', function() {
    var validator = new Validator({
      age: '65'
    }, {
      age: 'integer|size:65'
    });
    expect(validator.passes()).to.be.true;
  });

  it('should pass with float-integer', function() {
    var validator = new Validator({
      age: '65.36'
    }, {
      age: 'numeric|size:65.36'
    });
    expect(validator.passes()).to.be.true;
  });
});