axios/test/specs/utils/isX.spec.js

var utils = require('../../../lib/utils');

describe('utils::isX', function () {
  it('should validate Array', function () {
    expect(utils.isArray([])).toEqual(true);
    expect(utils.isArray({length: 5})).toEqual(false);
  });

  it('should validate ArrayBuffer', function () {
    expect(utils.isArrayBuffer(new ArrayBuffer(2))).toEqual(true);
    expect(utils.isArrayBuffer({})).toEqual(false);
  });

  it('should validate ArrayBufferView', function () {
    expect(utils.isArrayBufferView(new DataView(new ArrayBuffer(2)))).toEqual(true);
  });

  it('should validate FormData', function () {
    expect(utils.isFormData(new FormData())).toEqual(true);
  });

  // TODO Blob is not a constructor in PhantomJS
  // it('should validate Blob', function () {
  //   expect(utils.isBlob(new Blob())).toEqual(true);
  // });

  it('should validate String', function () {
    expect(utils.isString('')).toEqual(true);
    expect(utils.isString({toString: function () { return ''; }})).toEqual(false);
  });

  it('should validate Number', function () {
    expect(utils.isNumber(123)).toEqual(true);
    expect(utils.isNumber('123')).toEqual(false);
  });

  it('should validate Undefined', function () {
    expect(utils.isUndefined()).toEqual(true);
    expect(utils.isUndefined(null)).toEqual(false);
  });

  it('should validate Object', function () {
    expect(utils.isObject({})).toEqual(true);
    expect(utils.isObject(null)).toEqual(false);
  });

  it('should validate Date', function () {
    expect(utils.isDate(new Date())).toEqual(true);
    expect(utils.isDate(Date.now())).toEqual(false);
  });
});