node/test/common/tmpdir.js at main · fetchapi/node · GitHub

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'use strict';

const { spawnSync } = require('child_process');

const fs = require('fs');

const path = require('path');

const { pathToFileURL } = require('url');

const { isMainThread } = require('worker_threads');

function rmSync(pathname, useSpawn) {

if (useSpawn) {

const escapedPath = pathname.replaceAll('\\', '\\\\');

spawnSync(

process.execPath,

[

'-e',

`require("fs").rmSync("${escapedPath}", { maxRetries: 3, recursive: true, force: true });`,

);

} else {

fs.rmSync(pathname, { maxRetries: 3, recursive: true, force: true });

}

const testRoot = process.env.NODE_TEST_DIR ?

fs.realpathSync(process.env.NODE_TEST_DIR) : path.resolve(__dirname, '..');

// Using a `.` prefixed name, which is the convention for "hidden" on POSIX,

// gets tools to ignore it by default or by simple rules, especially eslint.

const tmpdirName = '.tmp.' +

(process.env.TEST_SERIAL_ID || process.env.TEST_THREAD_ID || '0');

const tmpPath = path.join(testRoot, tmpdirName);

let firstRefresh = true;

function refresh(useSpawn = false) {

rmSync(tmpPath, useSpawn);

fs.mkdirSync(tmpPath);

if (firstRefresh) {

firstRefresh = false;

// Clean only when a test uses refresh. This allows for child processes to

// use the tmpdir and only the parent will clean on exit.

process.on('exit', () => {

return onexit(useSpawn);

});

}

function onexit(useSpawn) {

// Change directory to avoid possible EBUSY

if (isMainThread)

process.chdir(testRoot);

try {

rmSync(tmpPath, useSpawn);

} catch (e) {

console.error('Can\'t clean tmpdir:', tmpPath);

const files = fs.readdirSync(tmpPath);

console.error('Files blocking:', files);

if (files.some((f) => f.startsWith('.nfs'))) {

// Warn about NFS "silly rename"

console.error('Note: ".nfs*" might be files that were open and ' +

'unlinked but not closed.');

console.error('See http://nfs.sourceforge.net/#faq_d2 for details.');

}

console.error();

throw e;

}

function resolve(...paths) {

return path.resolve(tmpPath, ...paths);

}

function hasEnoughSpace(size) {

const { bavail, bsize } = fs.statfsSync(tmpPath);

return bavail >= Math.ceil(size / bsize);

}

function fileURL(...paths) {

// When called without arguments, add explicit trailing slash

const fullPath = path.resolve(tmpPath + path.sep, ...paths);

return pathToFileURL(fullPath);

}

module.exports = {

fileURL,

hasEnoughSpace,

path: tmpPath,

refresh,

resolve,

};

node/test/common/tmpdir.js at main · fetchapi/node · GitHub

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