wix-style-react/dist/src/utils/operators/mapValue.spec.js

wix-style-react

'use strict';

var _mapValue = require('./mapValue');

var _mapValue2 = _interopRequireDefault(_mapValue);

var _sinon = require('sinon');

var _sinon2 = _interopRequireDefault(_sinon);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

describe('mapValue operator', function () {
  it('should return an empty object for non-object input', function () {
    expect((0, _mapValue2.default)(1)).toEqual({});
    expect((0, _mapValue2.default)(true)).toEqual({});
    expect((0, _mapValue2.default)('')).toEqual({});
    expect((0, _mapValue2.default)(null)).toEqual({});
    expect((0, _mapValue2.default)(undefined)).toEqual({});
    expect((0, _mapValue2.default)(Symbol.for('foo'))).toEqual({});
  });

  it('should return an empty object for non-function map function', function () {
    expect((0, _mapValue2.default)({ a: 1 }, 'not-a-function')).toEqual({});
  });

  it('should return given input', function () {
    var anObject = { a: 1, b: '2' };
    expect((0, _mapValue2.default)(anObject)).toEqual({ a: 1, b: '2' });
  });

  it('should project input values by map function', function () {
    var anObject = { a: 1, b: 2 };
    var multiple = function multiple(value) {
      return value + value;
    };
    expect((0, _mapValue2.default)(anObject, multiple)).toEqual({ a: 2, b: 4 });
  });

  it('should call map function with (value, key, object)', function () {
    var anObject = { a: 1 };
    var mapFunc = _sinon2.default.spy();
    (0, _mapValue2.default)(anObject, mapFunc);
    expect(mapFunc.calledWithExactly(1, 'a', anObject)).toBe(true);
  });
});