/**
 * Copyright 2018-present Facebook.
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 * @format
 */

import {transform} from '@babel/core';
import generate from '@babel/generator';

import electronStubs from '../electron-stubs';

const babelOptions = {
  ast: true,
  plugins: [electronStubs],
  filename: 'index.js',
};

test('transform electron requires to inlined stubs', () => {
  const src = 'require("electron")';
  const transformed = transform(src, babelOptions).ast;
  const body = transformed.program.body[0];
  expect(body.type).toBe('ExpressionStatement');
  expect(body.expression.properties.map(p => p.key.name)).toContain('remote');
});

test('transform performance calls to requires', () => {
  for (const method of ['mark', 'measure']) {
    const src = `performance.${method}('something')`;
    const transformed = transform(src, babelOptions).ast;
    const {code} = generate(transformed);
    expect(code).toBe(
      `require('perf_hooks').performance.${method}('something');`,
    );
  }
});