1 files changed, 79 insertions, 0 deletions
diff --git a/tests/node_compat/test/common/tmpdir.js b/tests/node_compat/test/common/tmpdir.js
new file mode 100644
index 000000000..886c4a107
--- /dev/null
+++ b/tests/node_compat/test/common/tmpdir.js
@@ -0,0 +1,79 @@
+// deno-fmt-ignore-file
+// deno-lint-ignore-file
+
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+// Taken from Node 18.12.1
+// This file is automatically generated by `tools/node_compat/setup.ts`. Do not modify this file manually.
+
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+const { isMainThread } = require('worker_threads');
+
+function rmSync(pathname) {
+  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() {
+  rmSync(tmpPath);
+  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', onexit);
+  }
+}
+
+function onexit() {
+  // Change directory to avoid possible EBUSY
+  if (isMainThread)
+    process.chdir(testRoot);
+
+  try {
+    rmSync(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;
+  }
+}
+
+function resolve(...paths) {
+  return path.resolve(tmpPath, ...paths);
+}
+
+function hasEnoughSpace(size) {
+  const { bavail, bsize } = fs.statfsSync(tmpPath);
+  return bavail >= Math.ceil(size / bsize);
+}
+
+module.exports = {
+  path: tmpPath,
+  refresh,
+  hasEnoughSpace,
+  resolve,
+};