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 assert_buffer.write_string

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tmpdir.js

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/* eslint-disable node-core/require-common-first, node-core/required-modules */

'use strict';

const fs = require('fs');

const path = require('path');

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

function rimrafSync(pathname) {

fs.rmdirSync(pathname, { maxRetries: 3, recursive: 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() {

rimrafSync(this.path);

fs.mkdirSync(this.path);

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', onexit);

}

}

function onexit() {

// Change directory to avoid possible EBUSY

if (isMainThread)

process.chdir(testRoot);

try {

rimrafSync(tmpPath);

} 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;

}

}

module.exports = {

path: tmpPath,

refresh

};