@stryker-mutator/tap-runner/dist/src/tap-helper.js

A plugin to use the TAP (test anything protocol) test runner in Stryker, the JavaScript mutation testing framework

import os from 'os';
import { glob } from 'glob';
import { TapParser } from './tap-parser-factory.js';
export function findTestyLookingFiles(globPatterns) {
    return glob(globPatterns, { ignore: ['**/node_modules/**'], posix: true });
}
function parseTap(tapProcess, forceBail) {
    return new Promise((resolve) => {
        const failedTests = [];
        const config = { bail: forceBail };
        const parser = TapParser.Parser(config, (result) => {
            resolve({ result, failedTests });
        });
        parser.on('bailout', () => {
            // Bailout within a test file is not supported on windows, because when the process is killed the exit handler which saves the file with the result does not run.
            if (os.platform() !== 'win32') {
                tapProcess.kill();
            }
        });
        parser.on('fail', (reason) => {
            failedTests.push(reason);
        });
        tapProcess.stdout.pipe(parser);
    });
}
export async function captureTapResult(tapProcess, disableBail) {
    const exitAsPromised = new Promise((resolve) => tapProcess.on('exit', resolve));
    const stderrOutput = [];
    tapProcess.stderr.on('data', (chunk) => {
        stderrOutput.push(chunk);
    });
    const [exitCodeResult, tapResult] = await Promise.all([exitAsPromised, parseTap(tapProcess, disableBail)]);
    if (exitCodeResult !== 0 && !tapResult.failedTests.length) {
        // The tap process errored, but we don't have any failed tests. This is probably a syntax error in the test file.
        throw new Error(`Tap process exited with code ${exitCodeResult}. To reproduce it yourself, use the following command: 
      cd "${process.cwd()}"
      ${tapProcess.spawnargs.map((arg, index) => (index === 0 ? arg : `"${arg}"`)).join(' ')}
      
      Stderr output:
      ${stderrOutput.join('')}`);
    }
    return tapResult;
}
export function buildArguments(args, hookFile, testFile) {
    const hookFilePlaceholder = '{{hookFile}}';
    const testFilePlaceholder = '{{testFile}}';
    if (!args.some((arg) => arg.includes(hookFilePlaceholder))) {
        args = ['-r', hookFilePlaceholder, ...args];
    }
    if (!args.some((arg) => arg.includes(testFilePlaceholder))) {
        args = [...args, testFilePlaceholder];
    }
    return args.map((arg) => arg.replaceAll(testFilePlaceholder, testFile).replaceAll(hookFilePlaceholder, hookFile));
}
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