featuretoggle-react/lib/Clients/flagsmith.test.js

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

"use strict";

var _flagsmith = _interopRequireDefault(require("flagsmith"));

var _flagsmith2 = require("./flagsmith");

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

var state = {
  flags: {
    feature1: {
      enabled: true,
      id: 1234,
      value: true
    },
    feature2: {
      enabled: false,
      id: 2345,
      value: false
    }
  }
};
var expected = {
  feature1: true,
  feature2: false
};
jest.spyOn(_flagsmith["default"], 'init').mockImplementation(function (_ref) {
  var environmentID = _ref.environmentID,
      onChange = _ref.onChange;
  return onChange();
});
jest.spyOn(_flagsmith["default"], 'getState').mockImplementation(function () {
  return state;
});
var config = {
  environmentID: 'testEnv'
};
describe('Flagsmith client', function () {
  it('init passes flags to handler', function () {
    var flagsmithClient = new _flagsmith2.FlagsmithClientClass(config);
    var handler = jest.fn();
    flagsmithClient.init(handler);
    expect(handler).toHaveBeenCalledWith(expected);
  });
  it('handler not called when fetching complete', function () {
    var flagsmithClient = new _flagsmith2.FlagsmithClientClass(config);
    flagsmithClient.fetching = true;
    var handler = jest.fn();
    flagsmithClient.init(handler);
    expect(handler).not.toHaveBeenCalled();
  });
  it('transforms state', function () {
    var flagsmithClient = new _flagsmith2.FlagsmithClientClass(config);
    var result = flagsmithClient.constructor.transform(state);
    expect(result).toEqual(expected);
  });
});