UNPKG

1.35 kBJavaScriptView Raw
1'use strict';
2
3// Do this as the first thing so that any code reading it knows the right env.
4process.env.BABEL_ENV = 'test';
5process.env.NODE_ENV = 'test';
6process.env.PUBLIC_URL = '';
7
8// Makes the script crash on unhandled rejections instead of silently
9// ignoring them. In the future, promise rejections that are not handled will
10// terminate the Node.js process with a non-zero exit code.
11process.on('unhandledRejection', err => {
12 throw err;
13});
14
15// Ensure environment variables are read.
16require('../config/env');
17
18const jest = require('jest');
19const execSync = require('child_process').execSync;
20let argv = process.argv.slice(2);
21
22function isInGitRepository() {
23 try {
24 execSync('git rev-parse --is-inside-work-tree', { stdio: 'ignore' });
25 return true;
26 } catch (e) {
27 return false;
28 }
29}
30
31function isInMercurialRepository() {
32 try {
33 execSync('hg --cwd . root', { stdio: 'ignore' });
34 return true;
35 } catch (e) {
36 return false;
37 }
38}
39
40// Watch unless on CI or explicitly running all tests
41if (
42 !process.env.CI &&
43 argv.indexOf('--watchAll') === -1 &&
44 argv.indexOf('--watchAll=false') === -1
45) {
46 // https://github.com/facebook/create-react-app/issues/5210
47 const hasSourceControl = isInGitRepository() || isInMercurialRepository();
48 argv.push(hasSourceControl ? '--watch' : '--watchAll');
49}
50
51
52jest.run(argv);