123 lines
3.3 KiB
JavaScript
Executable file
123 lines
3.3 KiB
JavaScript
Executable file
#!/usr/bin/env node
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const { spawn } = require('child_process');
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const { EOL } = require('os');
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const program = require('commander');
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const chalk = require('chalk');
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const SUCCESS_CODE = 0;
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const JEST_ROUTE = 'spec/frontend';
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const KARMA_ROUTE = 'spec/javascripts';
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const COMMON_ARGS = ['--colors'];
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const jestArgs = [...COMMON_ARGS, '--passWithNoTests'];
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const karmaArgs = [...COMMON_ARGS, '--no-fail-on-empty-test-suite'];
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program
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.usage('[options] <file ...>')
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.option('-p, --parallel', 'Run tests suites in parallel')
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.option(
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'-w, --watch',
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'Rerun tests when files change (tests will be run in parallel if this enabled)',
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)
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.parse(process.argv);
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const shouldParallelize = program.parallel || program.watch;
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const isSuccess = code => code === SUCCESS_CODE;
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const combineExitCodes = codes => {
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const firstFail = codes.find(x => !isSuccess(x));
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return firstFail === undefined ? SUCCESS_CODE : firstFail;
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};
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const skipIfFail = fn => code => (isSuccess(code) ? fn() : code);
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const endWithEOL = str => (str[str.length - 1] === '\n' ? str : `${str}${EOL}`);
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const runTests = paths => {
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if (shouldParallelize) {
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return Promise.all([runJest(paths), runKarma(paths)]).then(combineExitCodes);
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} else {
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return runJest(paths).then(skipIfFail(() => runKarma(paths)));
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}
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};
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const spawnYarnScript = (cmd, args) => {
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return new Promise((resolve, reject) => {
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const proc = spawn('yarn', ['run', cmd, ...args]);
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const output = data => {
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const text = data
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.toString()
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.split(/\r?\n/g)
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.map((line, idx, { length }) =>
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idx === length - 1 && !line ? line : `${chalk.gray(cmd)}: ${line}`,
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)
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.join(EOL);
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return endWithEOL(text);
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};
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proc.stdout.on('data', data => {
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process.stdout.write(output(data));
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});
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proc.stderr.on('data', data => {
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process.stderr.write(output(data));
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});
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proc.on('close', code => {
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process.stdout.write(output(`exited with code ${code}`));
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// We resolve even on a failure code because a `reject` would cause
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// Promise.all to reject immediately (without waiting for other promises)
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// to finish.
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resolve(code);
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});
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});
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};
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const runJest = args => {
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return spawnYarnScript('jest', [...jestArgs, ...toJestArgs(args)]);
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};
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const runKarma = args => {
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return spawnYarnScript('karma', [...karmaArgs, ...toKarmaArgs(args)]);
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};
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const replacePath = to => path =>
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path
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.replace(JEST_ROUTE, to)
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.replace(KARMA_ROUTE, to)
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.replace('app/assets/javascripts', to);
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const replacePathForJest = replacePath(JEST_ROUTE);
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const replacePathForKarma = replacePath(KARMA_ROUTE);
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const toJestArgs = paths => paths.map(replacePathForJest);
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const toKarmaArgs = paths =>
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paths.reduce((acc, path) => acc.concat('-f', replacePathForKarma(path)), []);
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const main = paths => {
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if (program.watch) {
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jestArgs.push('--watch');
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karmaArgs.push('--single-run', 'false', '--auto-watch');
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}
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runTests(paths).then(code => {
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console.log('~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~');
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if (isSuccess(code)) {
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console.log(chalk.bgGreen(chalk.black('All tests passed :)')));
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} else {
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console.log(chalk.bgRed(chalk.white(`Some tests failed :(`)));
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}
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console.log('~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~');
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if (!isSuccess(code)) {
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process.exit(code);
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}
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});
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};
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main(program.args);
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