/
createRuntime.js
72 lines (61 loc) · 1.66 KB
/
createRuntime.js
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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import path from 'path';
module.exports = async function createRuntime(filename, config) {
const NodeEnvironment = require('jest-environment-node');
const Runtime = require('../');
const {normalize} = require('jest-config');
config = normalize(
{
haste: {
hasteImplModulePath: path.resolve(
__dirname,
'..',
'..',
'..',
'jest-haste-map',
'src',
'__tests__',
'haste_impl.js',
),
},
name: 'Runtime-' + filename.replace(/\W/, '-') + '.tests',
rootDir: path.resolve(path.dirname(filename), 'test_root'),
...config,
},
{},
).options;
const environment = new NodeEnvironment(config);
environment.global.console = console;
const hasteMap = await Runtime.createHasteMap(config, {
maxWorkers: 1,
resetCache: false,
}).build();
const runtime = new Runtime(
config,
environment,
Runtime.createResolver(config, hasteMap.moduleMap),
);
await Promise.all(
config.setupFiles.map(async path => {
const esm = runtime.unstable_shouldLoadAsEsm(path);
if (esm) {
await runtime.unstable_importModule(path);
} else {
runtime.requireModule(path);
}
}),
);
runtime.__mockRootPath = path.join(config.rootDir, 'root.js');
runtime.__mockSubdirPath = path.join(
config.rootDir,
'subdir2',
'module_dir',
'module_dir_module.js',
);
return runtime;
};