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

An utility library for bottender and higher-order handlers

"use strict";

// FIXME: export public API for testing
const {
  run
} = require('bottender/dist/bot/Bot');

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

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

it('should have correct name', async () => {
  const Cool = sendText('cool');
  const RepeatFiveCool = repeat(5, Cool);
  expect(RepeatFiveCool.name).toEqual('Repeat(5, SendText(cool))');
});
it('should create action that will run in repeat', async () => {
  const Cool = sendText('cool');
  const RepeatFiveCool = repeat(5, Cool);
  const context = {
    sendText: jest.fn(() => Promise.resolve())
  };
  await run(RepeatFiveCool)(context, {});
  expect(context.sendText).toHaveBeenNthCalledWith(1, 'cool');
  expect(context.sendText).toHaveBeenNthCalledWith(2, 'cool');
  expect(context.sendText).toHaveBeenNthCalledWith(3, 'cool');
  expect(context.sendText).toHaveBeenNthCalledWith(4, 'cool');
  expect(context.sendText).toHaveBeenNthCalledWith(5, 'cool');
});
it('should create action that will run in curried repeat', async () => {
  const Cool = sendText('cool');
  const repeatFiveTimes = repeat(5);
  const RepeatFiveCool = repeatFiveTimes(Cool);
  const context = {
    sendText: jest.fn(() => Promise.resolve())
  };
  await run(RepeatFiveCool)(context, {});
  expect(context.sendText).toHaveBeenNthCalledWith(1, 'cool');
  expect(context.sendText).toHaveBeenNthCalledWith(2, 'cool');
  expect(context.sendText).toHaveBeenNthCalledWith(3, 'cool');
  expect(context.sendText).toHaveBeenNthCalledWith(4, 'cool');
  expect(context.sendText).toHaveBeenNthCalledWith(5, 'cool');
});
it('should pass props to the underlying action', async () => {
  const Haha = async (context, {
    name
  }) => {
    await context.sendText(`Haha ${name}`);
  };

  const RepeatFiveHaha = repeat(5, Haha);
  const context = {
    sendText: jest.fn(() => Promise.resolve())
  };
  await run(RepeatFiveHaha)(context, {
    name: 'John'
  });
  expect(context.sendText).toHaveBeenNthCalledWith(1, 'Haha John');
  expect(context.sendText).toHaveBeenNthCalledWith(2, 'Haha John');
  expect(context.sendText).toHaveBeenNthCalledWith(3, 'Haha John');
  expect(context.sendText).toHaveBeenNthCalledWith(4, 'Haha John');
  expect(context.sendText).toHaveBeenNthCalledWith(5, 'Haha John');
});
it('should support nested actions', async () => {
  const Haha = () => sendText('haha');

  const RepeatFiveHaha = repeat(5, Haha);
  const context = {
    sendText: jest.fn(() => Promise.resolve())
  };
  await run(RepeatFiveHaha)(context, {});
  expect(context.sendText).toHaveBeenNthCalledWith(1, 'haha');
  expect(context.sendText).toHaveBeenNthCalledWith(2, 'haha');
  expect(context.sendText).toHaveBeenNthCalledWith(3, 'haha');
  expect(context.sendText).toHaveBeenNthCalledWith(4, 'haha');
  expect(context.sendText).toHaveBeenNthCalledWith(5, 'haha');
});