test: fix recursive rm test to actually use tmpdir

Previously folders were created in the root of the project and would
therefore stay there in case of errors. This changes the test to create
all directories in the temp directory (`tmpdir.path`).

PR-URL: #31250
Reviewed-By: Bryan English <bryan@bryanenglish.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>

Author: lundibundi

test/parallel/test-fs-rmdir-recursive.js

@@ -6,10 +6,13 @@ const assert = require('assert');
 const fs = require('fs');
 const path = require('path');
 const { validateRmdirOptions } = require('internal/fs/utils');
-let count = 0;
 
 tmpdir.refresh();
 
+let count = 0;
+const nextDirPath = (name = 'rmdir-recursive') =>
+  path.join(tmpdir.path, `${name}-${count++}`);
+
 function makeNonEmptyDirectory(depth, files, folders, dirname, createSymLinks) {
   fs.mkdirSync(dirname, { recursive: true });
   fs.writeFileSync(path.join(dirname, 'text.txt'), 'hello', 'utf8');
@@ -89,27 +92,24 @@ function removeAsync(dir) {
 // Test the asynchronous version
 {
   // Create a 4-level folder hierarchy including symlinks
-  let dir = `rmdir-recursive-${count}`;
+  let dir = nextDirPath();
   makeNonEmptyDirectory(4, 10, 2, dir, true);
   removeAsync(dir);
 
   // Create a 2-level folder hierarchy without symlinks
-  count++;
-  dir = `rmdir-recursive-${count}`;
+  dir = nextDirPath();
   makeNonEmptyDirectory(2, 10, 2, dir, false);
   removeAsync(dir);
 
   // Create a flat folder including symlinks
-  count++;
-  dir = `rmdir-recursive-${count}`;
+  dir = nextDirPath();
   makeNonEmptyDirectory(1, 10, 2, dir, true);
   removeAsync(dir);
 }
 
 // Test the synchronous version.
 {
-  count++;
-  const dir = `rmdir-recursive-${count}`;
+  const dir = nextDirPath();
   makeNonEmptyDirectory(4, 10, 2, dir, true);
 
   // Removal should fail without the recursive option set to true.
@@ -132,8 +132,7 @@ function removeAsync(dir) {
 
 // Test the Promises based version.
 (async () => {
-  count++;
-  const dir = `rmdir-recursive-${count}`;
+  const dir = nextDirPath();
   makeNonEmptyDirectory(4, 10, 2, dir, true);
 
   // Removal should fail without the recursive option set to true.