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// @remove-on-eject-begin
/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
// @remove-on-eject-end
'use strict';
// Do this as the first thing so that any code reading it knows the right env.
process.env.BABEL_ENV = 'test';
process.env.NODE_ENV = 'test';
process.env.PUBLIC_URL = '';
// Makes the script crash on unhandled rejections instead of silently
// ignoring them. In the future, promise rejections that are not handled will
// terminate the Node.js process with a non-zero exit code.
process.on('unhandledRejection', err => {
throw err;
});
// Ensure environment variables are read.
require('../config/env');
const jest = require('jest');
const execSync = require('child_process').execSync;
let argv = process.argv.slice(2);
function isInGitRepository() {
try {
execSync('git rev-parse --is-inside-work-tree', { stdio: 'ignore' });
return true;
} catch (e) {
return false;
}
}
function isInMercurialRepository() {
try {
execSync('hg --cwd . root', { stdio: 'ignore' });
return true;
} catch (e) {
return false;
}
}
// Watch unless on CI or explicitly running all tests
if (
!process.env.CI &&
argv.indexOf('--watchAll') === -1 &&
argv.indexOf('--watchAll=false') === -1
) {
// https://github.com/facebook/create-react-app/issues/5210
const hasSourceControl = isInGitRepository() || isInMercurialRepository();
argv.push(hasSourceControl ? '--watch' : '--watchAll');
}
// @remove-on-eject-begin
// This is not necessary after eject because we embed config into package.json.
const createJestConfig = require('./utils/createJestConfig');
const path = require('path');
const paths = require('../config/paths');
argv.push(
'--config',
JSON.stringify(
createJestConfig(
relativePath => path.resolve(__dirname, '..', relativePath),
path.resolve(paths.appSrc, '..'),
false
)
)
);
// This is a very dirty workaround for https://github.com/facebook/jest/issues/5913.
// We're trying to resolve the environment ourselves because Jest does it incorrectly.
// TODO: remove this as soon as it's fixed in Jest.
const resolve = require('resolve');
function resolveJestDefaultEnvironment(name) {
const jestDir = path.dirname(
resolve.sync('jest', {
basedir: __dirname,
})
);
const jestCLIDir = path.dirname(
resolve.sync('jest-cli', {
basedir: jestDir,
})
);
const jestConfigDir = path.dirname(
resolve.sync('jest-config', {
basedir: jestCLIDir,
})
);
return resolve.sync(name, {
basedir: jestConfigDir,
});
}
let cleanArgv = [];
let env = 'jsdom';
let next;
do {
next = argv.shift();
if (next === '--env') {
env = argv.shift();
} else if (next.indexOf('--env=') === 0) {
env = next.substring('--env='.length);
} else {
cleanArgv.push(next);
}
} while (argv.length > 0);
argv = cleanArgv;
let resolvedEnv;
try {
resolvedEnv = resolveJestDefaultEnvironment(`jest-environment-${env}`);
} catch (e) {
// ignore
}
if (!resolvedEnv) {
try {
resolvedEnv = resolveJestDefaultEnvironment(env);
} catch (e) {
// ignore
}
}
const testEnvironment = resolvedEnv || env;
argv.push('--env', testEnvironment);
// @remove-on-eject-end
jest.run(argv);