react-native/local-cli/bundle/__tests__/saveBundleAndMap-test.js

66 lines
1.6 KiB
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
'use strict';
jest
.dontMock('../saveBundleAndMap')
.dontMock('os-tmpdir')
.dontMock('temp');
jest.mock('fs');
const saveBundleAndMap = require('../saveBundleAndMap');
const fs = require('fs');
const temp = require('temp');
const code = 'const foo = "bar";';
const map = JSON.stringify({
version: 3,
file: 'foo.js.map',
sources: ['foo.js'],
sourceRoot: '/',
names: ['bar'],
mappings: 'AAA0B,kBAAhBA,QAAOC,SACjBD,OAAOC,OAAO'
});
describe('saveBundleAndMap', () => {
beforeEach(() => {
fs.writeFileSync = jest.genMockFn();
});
it('should save bundle', () => {
const codeWithMap = {code: code};
const bundleOutput = temp.path({suffix: '.bundle'});
saveBundleAndMap(
codeWithMap,
'ios',
bundleOutput,
'utf8',
);
expect(fs.writeFileSync.mock.calls[0]).toEqual([bundleOutput, code, 'utf8']);
});
it('should save sourcemaps if required so', () => {
const codeWithMap = {code: code, map: map};
const bundleOutput = temp.path({suffix: '.bundle'});
const sourceMapOutput = temp.path({suffix: '.map'});
saveBundleAndMap(
codeWithMap,
'ios',
bundleOutput,
'utf8',
sourceMapOutput
);
expect(fs.writeFileSync.mock.calls[1]).toEqual([sourceMapOutput, map]);
});
});