bottender-compose/lib/__tests__/random.spec.js

An utility library for bottender and higher-order handlers

"use strict";

const randomItem = require('random-item'); // FIXME: export public API for testing


const {
  run
} = require('bottender/dist/bot/Bot');

const random = require('../random');

const {
  sendText
} = require('..');

jest.mock('random-item');
it('should have correct name', async () => {
  const Haha = sendText('haha');
  const Wow = sendText('wow');
  const Cool = sendText('cool');
  const actions = [Haha, Wow, Cool];
  const Random = random(actions);
  expect(Random.name).toEqual('Random(SendText(haha), SendText(wow), SendText(cool))');
});
it('should create action that will call sendText', async () => {
  const Haha = sendText('haha');
  const Wow = sendText('wow');
  const Cool = sendText('cool');
  const actions = [Haha, Wow, Cool];
  randomItem.mockReturnValueOnce(Cool);
  const Random = random([Haha, Wow, Cool]);
  const context = {
    sendText: jest.fn(() => Promise.resolve())
  };
  await run(Random)(context, {});
  expect(randomItem).toBeCalledWith(actions);
  expect(context.sendText).toBeCalledWith('cool');
});
it('should pass props to underlying action', async () => {
  const Haha = async (context, {
    name
  }) => {
    await context.sendText(`haha ${name}`);
  };

  const Wow = jest.fn();
  const actions = [Haha, Wow];
  randomItem.mockReturnValueOnce(Haha);
  const Random = random(actions);
  const context = {
    sendText: jest.fn(() => Promise.resolve())
  };
  await run(Random)(context, {
    name: 'John'
  });
  expect(randomItem).toBeCalledWith(actions);
  expect(context.sendText).toBeCalledWith('haha John');
});