featuretoggle-react/lib/FeatureToggle.test.js

Library to use Feature Toggles of your choice in a React application

"use strict";

var _react = _interopRequireDefault(require("react"));

var _enzyme = require("enzyme");

var _FeatureToggle = require("./FeatureToggle");

var _On = require("./On");

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

var flags = {
  feature1: true,
  feature2: false
};
var handler = jest.fn();
var provider = {
  init: function init() {
    return handler(flags);
  }
};
describe('FeatureToggle', function () {
  it('calls provider.init on mount', function () {
    (0, _enzyme.mount)( /*#__PURE__*/_react["default"].createElement(_FeatureToggle.FeatureToggleWrapper, {
      provider: provider
    }, /*#__PURE__*/_react["default"].createElement(_FeatureToggle.FeatureToggle, {
      feature: "feature1"
    })));
    expect(handler).toHaveBeenCalledWith({
      feature1: true,
      feature2: false
    });
  });
  it('returns children when a feature is defined', function () {
    var wrapper = (0, _enzyme.mount)( /*#__PURE__*/_react["default"].createElement(_FeatureToggle.FeatureToggleWrapper, {
      provider: provider
    }, /*#__PURE__*/_react["default"].createElement(_FeatureToggle.FeatureToggle, {
      feature: "feature1"
    }, /*#__PURE__*/_react["default"].createElement(_On.On, null))));
    expect(wrapper.find(_On.On).length).toEqual(1);
  });
  it('returns empty when no feature defined', function () {
    var wrapper = (0, _enzyme.mount)( /*#__PURE__*/_react["default"].createElement(_FeatureToggle.FeatureToggleWrapper, {
      provider: provider
    }, /*#__PURE__*/_react["default"].createElement(_FeatureToggle.FeatureToggle, null, /*#__PURE__*/_react["default"].createElement(_On.On, null))));
    expect(wrapper.find(_On.On).length).toEqual(0);
  });
  it('passes featureToggleEnabled to child', function () {
    var nonMockedProvider = {
      init: function init(nonMockedhandler) {
        return nonMockedhandler(flags);
      }
    };
    var wrapper = (0, _enzyme.mount)( /*#__PURE__*/_react["default"].createElement(_FeatureToggle.FeatureToggleWrapper, {
      provider: nonMockedProvider
    }, /*#__PURE__*/_react["default"].createElement(_FeatureToggle.FeatureToggle, {
      feature: "feature1"
    }, /*#__PURE__*/_react["default"].createElement(_On.On, null))));
    expect(wrapper.find(_On.On).props()).toEqual({
      featureToggleEnabled: true
    });
  });
});