test: add more recursive fs.rmdir() tests

Update tests to create more nested folders and files, like rimraf
package tests do. Each test will create 28 nested directories and
210 files. It will also create different types of files, like
symlinks.

PR-URL: #29815
Reviewed-By: Ben Coe <bencoe@gmail.com>

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

@@ -10,18 +10,56 @@ let count = 0;
 
 tmpdir.refresh();
 
-function makeNonEmptyDirectory() {
-  const dirname = `rmdir-recursive-${count}`;
-  fs.mkdirSync(path.join(dirname, 'foo', 'bar', 'baz'), { recursive: true });
+function makeNonEmptyDirectory(depth, files, folders, dirname, createSymLinks) {
+  fs.mkdirSync(dirname, { recursive: true });
   fs.writeFileSync(path.join(dirname, 'text.txt'), 'hello', 'utf8');
-  count++;
-  return dirname;
-}
 
-// Test the asynchronous version.
-{
-  const dir = makeNonEmptyDirectory();
+  const options = { flag: 'wx' };
+
+  for (let f = files; f > 0; f--) {
+    fs.writeFileSync(path.join(dirname, `f-${depth}-${f}`), '', options);
+  }
+
+  if (createSymLinks) {
+    // Valid symlink
+    fs.symlinkSync(
+      `f-${depth}-1`,
+      path.join(dirname, `link-${depth}-good`),
+      'file'
+    );
+
+    // Invalid symlink
+    fs.symlinkSync(
+      'does-not-exist',
+      path.join(dirname, `link-${depth}-bad`),
+      'file'
+    );
+  }
+
+  // File with a name that looks like a glob
+  fs.writeFileSync(path.join(dirname, '[a-z0-9].txt'), '', options);
+
+  depth--;
+  if (depth <= 0) {
+    return;
+  }
+
+  for (let f = folders; f > 0; f--) {
+    fs.mkdirSync(
+      path.join(dirname, `folder-${depth}-${f}`),
+      { recursive: true }
+    );
+    makeNonEmptyDirectory(
+      depth,
+      files,
+      folders,
+      path.join(dirname, `d-${depth}-${f}`),
+      createSymLinks
+    );
+  }
+}
 
+function removeAsync(dir) {
   // Removal should fail without the recursive option.
   fs.rmdir(dir, common.mustCall((err) => {
     assert.strictEqual(err.syscall, 'rmdir');
@@ -48,9 +86,31 @@ function makeNonEmptyDirectory() {
   }));
 }
 
+// Test the asynchronous version
+{
+  // Create a 4-level folder hierarchy including symlinks
+  let dir = `rmdir-recursive-${count}`;
+  makeNonEmptyDirectory(4, 10, 2, dir, true);
+  removeAsync(dir);
+
+  // Create a 2-level folder hierarchy without symlinks
+  count++;
+  dir = `rmdir-recursive-${count}`;
+  makeNonEmptyDirectory(2, 10, 2, dir, false);
+  removeAsync(dir);
+
+  // Create a flat folder including symlinks
+  count++;
+  dir = `rmdir-recursive-${count}`;
+  makeNonEmptyDirectory(1, 10, 2, dir, true);
+  removeAsync(dir);
+}
+
 // Test the synchronous version.
 {
-  const dir = makeNonEmptyDirectory();
+  count++;
+  const dir = `rmdir-recursive-${count}`;
+  makeNonEmptyDirectory(4, 10, 2, dir, true);
 
   // Removal should fail without the recursive option set to true.
   common.expectsError(() => {
@@ -72,7 +132,9 @@ function makeNonEmptyDirectory() {
 
 // Test the Promises based version.
 (async () => {
-  const dir = makeNonEmptyDirectory();
+  count++;
+  const dir = `rmdir-recursive-${count}`;
+  makeNonEmptyDirectory(4, 10, 2, dir, true);
 
   // Removal should fail without the recursive option set to true.
   assert.rejects(fs.promises.rmdir(dir), { syscall: 'rmdir' });