derma/tests/logic.test.js

import { parse_args } from '../src/logic';

const process = require('process');
const process_mock = jest.spyOn(process, 'exit').mockImplementation(() => true);

describe('test parse args', () => {
  it('parses a single page id with -p', () => {
    const res = parse_args(['-p', 'foo']);
    expect(res).toEqual({ page_ids: ['https://www.facebook.com/foo/events/'] });
  });

  it('parses a single page id with --page', () => {
    const res = parse_args(['--page=foo']);
    expect(res).toEqual({ page_ids: ['https://www.facebook.com/foo/events/'] });
  });

  it('parses multiple page ids with --pages', () => {
    const res = parse_args(['--pages=foo,bar']);
    expect(res).toEqual({
      page_ids: [
        'https://www.facebook.com/foo/events/',
        'https://www.facebook.com/bar/events/',
      ],
    });
  });
  ['-?', '--help', '-h'].forEach((param) => {
    it('parses help options', () => {
      const res = parse_args([param]);
      expect(process_mock).toHaveBeenCalledWith(1);
    });
  });
});