/
Bundler-test.js
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/
Bundler-test.js
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/**
* 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.disableAutomock();
jest
.setMock('worker-farm', () => () => undefined)
.setMock('uglify-js')
.mock('image-size')
.mock('fs')
.mock('assert')
.mock('progress')
.mock('../../node-haste')
.mock('../../JSTransformer')
.mock('../../lib/declareOpts')
.mock('../../Resolver')
.mock('../Bundle')
.mock('../HMRBundle')
.mock('../../Logger')
.mock('../../lib/declareOpts');
var Bundler = require('../');
var Resolver = require('../../Resolver');
var sizeOf = require('image-size');
var fs = require('fs');
describe('Bundler', function() {
function createModule({
path,
id,
dependencies,
isAsset,
isJSON,
isPolyfill,
resolution,
}) {
return {
path,
resolution,
getDependencies: () => Promise.resolve(dependencies),
getName: () => Promise.resolve(id),
isJSON: () => isJSON,
isAsset: () => isAsset,
isPolyfill: () => isPolyfill,
read: () => ({
code: 'arbitrary',
source: 'arbitrary',
}),
};
}
var getDependencies;
var getModuleSystemDependencies;
var bundler;
var assetServer;
var modules;
var projectRoots;
beforeEach(function() {
getDependencies = jest.fn();
getModuleSystemDependencies = jest.fn();
projectRoots = ['/root'];
Resolver.mockImpl(function() {
return {
getDependencies: getDependencies,
getModuleSystemDependencies: getModuleSystemDependencies,
};
});
fs.statSync.mockImpl(function() {
return {
isDirectory: () => true
};
});
fs.readFile.mockImpl(function(file, callback) {
callback(null, '{"json":true}');
});
assetServer = {
getAssetData: jest.fn(),
};
bundler = new Bundler({
projectRoots,
assetServer: assetServer,
});
modules = [
createModule({id: 'foo', path: '/root/foo.js', dependencies: []}),
createModule({id: 'bar', path: '/root/bar.js', dependencies: []}),
createModule({
id: 'new_image.png',
path: '/root/img/new_image.png',
isAsset: true,
resolution: 2,
dependencies: []
}),
createModule({
id: 'package/file.json',
path: '/root/file.json',
isJSON: true,
dependencies: [],
}),
];
getDependencies.mockImpl((main, options, transformOptions) =>
Promise.resolve({
mainModuleId: 'foo',
dependencies: modules,
transformOptions,
getModuleId: () => 123,
getResolvedDependencyPairs: () => [],
})
);
getModuleSystemDependencies.mockImpl(function() {
return [];
});
sizeOf.mockImpl(function(path, cb) {
cb(null, { width: 50, height: 100 });
});
});
it('create a bundle', function() {
assetServer.getAssetData.mockImpl(() => {
return {
scales: [1,2,3],
files: [
'/root/img/img.png',
'/root/img/img@2x.png',
'/root/img/img@3x.png',
],
hash: 'i am a hash',
name: 'img',
type: 'png',
};
});
return bundler.bundle({
entryFile: '/root/foo.js',
runBeforeMainModule: [],
runModule: true,
sourceMapUrl: 'source_map_url',
}).then(bundle => {
const ithAddedModule = (i) => bundle.addModule.mock.calls[i][2].path;
expect(ithAddedModule(0)).toEqual('/root/foo.js');
expect(ithAddedModule(1)).toEqual('/root/bar.js');
expect(ithAddedModule(2)).toEqual('/root/img/new_image.png');
expect(ithAddedModule(3)).toEqual('/root/file.json');
expect(bundle.finalize.mock.calls[0]).toEqual([{
runMainModule: true,
runBeforeMainModule: [],
allowUpdates: false,
}]);
expect(bundle.addAsset.mock.calls[0]).toEqual([{
__packager_asset: true,
fileSystemLocation: '/root/img',
httpServerLocation: '/assets/img',
width: 25,
height: 50,
scales: [1, 2, 3],
files: [
'/root/img/img.png',
'/root/img/img@2x.png',
'/root/img/img@3x.png',
],
hash: 'i am a hash',
name: 'img',
type: 'png',
}]);
// TODO(amasad) This fails with 0 != 5 in OSS
//expect(ProgressBar.prototype.tick.mock.calls.length).toEqual(modules.length);
});
});
it('loads and runs asset plugins', function() {
jest.mock('mockPlugin1', () => {
return asset => {
asset.extraReverseHash = asset.hash.split('').reverse().join('');
return asset;
};
}, {virtual: true});
jest.mock('asyncMockPlugin2', () => {
return asset => {
expect(asset.extraReverseHash).toBeDefined();
return new Promise((resolve) => {
asset.extraPixelCount = asset.width * asset.height;
resolve(asset);
});
};
}, {virtual: true});
const mockAsset = {
scales: [1,2,3],
files: [
'/root/img/img.png',
'/root/img/img@2x.png',
'/root/img/img@3x.png',
],
hash: 'i am a hash',
name: 'img',
type: 'png',
};
assetServer.getAssetData.mockImpl(() => mockAsset);
return bundler.bundle({
entryFile: '/root/foo.js',
runBeforeMainModule: [],
runModule: true,
sourceMapUrl: 'source_map_url',
assetPlugins: ['mockPlugin1', 'asyncMockPlugin2'],
}).then(bundle => {
expect(bundle.addAsset.mock.calls[0]).toEqual([{
__packager_asset: true,
fileSystemLocation: '/root/img',
httpServerLocation: '/assets/img',
width: 25,
height: 50,
scales: [1, 2, 3],
files: [
'/root/img/img.png',
'/root/img/img@2x.png',
'/root/img/img@3x.png',
],
hash: 'i am a hash',
name: 'img',
type: 'png',
extraReverseHash: 'hsah a ma i',
extraPixelCount: 1250,
}]);
});
});
pit('gets the list of dependencies from the resolver', function() {
const entryFile = '/root/foo.js';
return bundler.getDependencies({entryFile, recursive: true}).then(() =>
// jest calledWith does not support jasmine.any
expect(getDependencies.mock.calls[0].slice(0, -2)).toEqual([
'/root/foo.js',
{ dev: true, recursive: true },
{ minify: false,
dev: true,
transform: {
dev: true,
hot: false,
generateSourceMaps: false,
projectRoots,
}
},
])
);
});
describe('getOrderedDependencyPaths', () => {
beforeEach(() => {
assetServer.getAssetData.mockImpl(function(relPath) {
if (relPath === 'img/new_image.png') {
return {
scales: [1,2,3],
files: [
'/root/img/new_image.png',
'/root/img/new_image@2x.png',
'/root/img/new_image@3x.png',
],
hash: 'i am a hash',
name: 'img',
type: 'png',
};
} else if (relPath === 'img/new_image2.png') {
return {
scales: [1,2,3],
files: [
'/root/img/new_image2.png',
'/root/img/new_image2@2x.png',
'/root/img/new_image2@3x.png',
],
hash: 'i am a hash',
name: 'img',
type: 'png',
};
}
throw new Error('unknown image ' + relPath);
});
});
pit('should get the concrete list of all dependency files', () => {
modules.push(
createModule({
id: 'new_image2.png',
path: '/root/img/new_image2.png',
isAsset: true,
resolution: 2,
dependencies: []
}),
);
return bundler.getOrderedDependencyPaths('/root/foo.js', true)
.then((paths) => expect(paths).toEqual([
'/root/foo.js',
'/root/bar.js',
'/root/img/new_image.png',
'/root/img/new_image@2x.png',
'/root/img/new_image@3x.png',
'/root/file.json',
'/root/img/new_image2.png',
'/root/img/new_image2@2x.png',
'/root/img/new_image2@3x.png',
]));
});
});
});