bottender-compose/lib/__tests__/condition.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 condition = require('../condition');

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

it('should have correct name', async () => {
  const condA = () => Promise.resolve(false);

  const condB = () => Promise.resolve(true);

  const ActionA = sendText("You've seen them once, you've seen them all. - Singin' in the Rain");
  const ActionB = sendText('You Shall Not Pass - The Lord of the Rings');
  const Condition = condition([[condA, ActionA], [condB, ActionB]]);
  expect(Condition.name).toEqual("Condition(SendText(You've seen the...), SendText(You Shall Not P...))");
});
it('should run the second function in the element when the first function resolve true', async () => {
  const condA = jest.fn(() => Promise.resolve(false));
  const condB = jest.fn(() => Promise.resolve(true));
  const ActionA = sendText("You've seen them once, you've seen them all. - Singin' in the Rain");
  const ActionB = sendText('You Shall Not Pass - The Lord of the Rings');
  const Condition = condition([[condA, ActionA], [condB, ActionB]]);
  const context = {
    sendText: jest.fn(() => Promise.resolve())
  };
  await run(Condition)(context, {});
  expect(condA).toBeCalledWith(context, {});
  expect(condB).toBeCalledWith(context, {});
  expect(context.sendText).not.toBeCalledWith("You've seen them once, you've seen them all. - Singin' in the Rain");
  expect(context.sendText).toBeCalledWith('You Shall Not Pass - The Lord of the Rings');
});
it('should pass props to the underlying action', async () => {
  const condA = jest.fn(() => true);
  const condB = jest.fn(() => false);
  const ActionA = jest.fn(async (context, {
    name
  }) => {
    await context.sendText(`haha ${name}`);
  });
  const ActionB = sendText('You Shall Not Pass - The Lord of the Rings');
  const Condition = condition([[condA, ActionA], [condB, ActionB]]);
  const context = {
    sendText: jest.fn(() => Promise.resolve())
  };
  await run(Condition)(context, {
    name: 'John'
  });
  expect(condA).toBeCalledWith(context, {
    name: 'John'
  });
  expect(context.sendText).toBeCalledWith('haha John');
});