test: split parallel fs-watch-recursive tests

PR-URL: nodejs#45865
Fixes: nodejs#45535
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

test/parallel/test-fs-watch-recursive-add-file-to-existing-subfolder.js

@@ -0,0 +1,59 @@
+'use strict';
+
+const common = require('../common');
+const { setTimeout } = require('timers/promises');
+
+if (common.isIBMi)
+  common.skip('IBMi does not support `fs.watch()`');
+
+// fs-watch on folders have limited capability in AIX.
+// The testcase makes use of folder watching, and causes
+// hang. This behavior is documented. Skip this for AIX.
+
+if (common.isAIX)
+  common.skip('folder watch capability is limited in AIX.');
+
+const assert = require('assert');
+const path = require('path');
+const fs = require('fs');
+
+const tmpdir = require('../common/tmpdir');
+const testDir = tmpdir.path;
+tmpdir.refresh();
+
+(async () => {
+  // Add a file to subfolder of a watching folder
+
+  const rootDirectory = fs.mkdtempSync(testDir + path.sep);
+  const testDirectory = path.join(rootDirectory, 'test-4');
+  fs.mkdirSync(testDirectory);
+
+  const file = 'folder-5';
+  const filePath = path.join(testDirectory, file);
+  fs.mkdirSync(filePath);
+
+  const subfolderPath = path.join(filePath, 'subfolder-6');
+  fs.mkdirSync(subfolderPath);
+
+  const childrenFile = 'file-7.txt';
+  const childrenAbsolutePath = path.join(subfolderPath, childrenFile);
+  const relativePath = path.join(file, path.basename(subfolderPath), childrenFile);
+
+  const watcher = fs.watch(testDirectory, { recursive: true });
+  let watcherClosed = false;
+  watcher.on('change', function(event, filename) {
+    assert.strictEqual(event, 'rename');
+
+    if (filename === relativePath) {
+      watcher.close();
+      watcherClosed = true;
+    }
+  });
+
+  await setTimeout(common.platformTimeout(100));
+  fs.writeFileSync(childrenAbsolutePath, 'world');
+
+  process.once('exit', function() {
+    assert(watcherClosed, 'watcher Object was not closed');
+  });
+})().then(common.mustCall());

test/parallel/test-fs-watch-recursive-add-file-to-new-folder.js

@@ -0,0 +1,57 @@
+'use strict';
+
+const common = require('../common');
+const { setTimeout } = require('timers/promises');
+
+if (common.isIBMi)
+  common.skip('IBMi does not support `fs.watch()`');
+
+// fs-watch on folders have limited capability in AIX.
+// The testcase makes use of folder watching, and causes
+// hang. This behavior is documented. Skip this for AIX.
+
+if (common.isAIX)
+  common.skip('folder watch capability is limited in AIX.');
+
+const assert = require('assert');
+const path = require('path');
+const fs = require('fs');
+
+const tmpdir = require('../common/tmpdir');
+const testDir = tmpdir.path;
+tmpdir.refresh();
+
+(async () => {
+  // Add a file to newly created folder to already watching folder
+
+  const rootDirectory = fs.mkdtempSync(testDir + path.sep);
+  const testDirectory = path.join(rootDirectory, 'test-3');
+  fs.mkdirSync(testDirectory);
+
+  const filePath = path.join(testDirectory, 'folder-3');
+
+  const childrenFile = 'file-4.txt';
+  const childrenAbsolutePath = path.join(filePath, childrenFile);
+  const childrenRelativePath = path.join(path.basename(filePath), childrenFile);
+
+  const watcher = fs.watch(testDirectory, { recursive: true });
+  let watcherClosed = false;
+  watcher.on('change', function(event, filename) {
+    assert.strictEqual(event, 'rename');
+    assert.ok(filename === path.basename(filePath) || filename === childrenRelativePath);
+
+    if (filename === childrenRelativePath) {
+      watcher.close();
+      watcherClosed = true;
+    }
+  });
+
+  await setTimeout(common.platformTimeout(100));
+  fs.mkdirSync(filePath);
+  await setTimeout(common.platformTimeout(100));
+  fs.writeFileSync(childrenAbsolutePath, 'world');
+
+  process.once('exit', function() {
+    assert(watcherClosed, 'watcher Object was not closed');
+  });
+})().then(common.mustCall());

test/parallel/test-fs-watch-recursive-add-file-with-url.js

@@ -0,0 +1,52 @@
+'use strict';
+
+const common = require('../common');
+const { setTimeout } = require('timers/promises');
+
+if (common.isIBMi)
+  common.skip('IBMi does not support `fs.watch()`');
+
+// fs-watch on folders have limited capability in AIX.
+// The testcase makes use of folder watching, and causes
+// hang. This behavior is documented. Skip this for AIX.
+
+if (common.isAIX)
+  common.skip('folder watch capability is limited in AIX.');
+
+const assert = require('assert');
+const path = require('path');
+const fs = require('fs');
+const { pathToFileURL } = require('url');
+
+const tmpdir = require('../common/tmpdir');
+const testDir = tmpdir.path;
+tmpdir.refresh();
+
+(async () => {
+  // Add a file to already watching folder, and use URL as the path
+
+  const rootDirectory = fs.mkdtempSync(testDir + path.sep);
+  const testDirectory = path.join(rootDirectory, 'test-5');
+  fs.mkdirSync(testDirectory);
+
+  const filePath = path.join(testDirectory, 'file-8.txt');
+  const url = pathToFileURL(testDirectory);
+
+  const watcher = fs.watch(url, { recursive: true });
+  let watcherClosed = false;
+  watcher.on('change', function(event, filename) {
+    assert.strictEqual(event, 'rename');
+
+    if (filename === path.basename(filePath)) {
+      watcher.close();
+      watcherClosed = true;
+    }
+  });
+
+  await setTimeout(common.platformTimeout(100));
+  fs.writeFileSync(filePath, 'world');
+
+  process.on('exit', function() {
+    assert(watcherClosed, 'watcher Object was not closed');
+  });
+})().then(common.mustCall());

test/parallel/test-fs-watch-recursive-add-file.js

@@ -0,0 +1,50 @@
+'use strict';
+
+const common = require('../common');
+const { setTimeout } = require('timers/promises');
+
+if (common.isIBMi)
+  common.skip('IBMi does not support `fs.watch()`');
+
+// fs-watch on folders have limited capability in AIX.
+// The testcase makes use of folder watching, and causes
+// hang. This behavior is documented. Skip this for AIX.
+
+if (common.isAIX)
+  common.skip('folder watch capability is limited in AIX.');
+
+const assert = require('assert');
+const path = require('path');
+const fs = require('fs');
+
+const tmpdir = require('../common/tmpdir');
+const testDir = tmpdir.path;
+tmpdir.refresh();
+
+(async () => {
+  // Add a file to already watching folder
+
+  const rootDirectory = fs.mkdtempSync(testDir + path.sep);
+  const testDirectory = path.join(rootDirectory, 'test-1');
+  fs.mkdirSync(testDirectory);
+
+  const testFile = path.join(testDirectory, 'file-1.txt');
+
+  const watcher = fs.watch(testDirectory, { recursive: true });
+  let watcherClosed = false;
+  watcher.on('change', function(event, filename) {
+    assert.strictEqual(event, 'rename');
+
+    if (filename === path.basename(testFile)) {
+      watcher.close();
+      watcherClosed = true;
+    }
+  });
+
+  await setTimeout(common.platformTimeout(100));
+  fs.writeFileSync(testFile, 'world');
+
+  process.once('exit', function() {
+    assert(watcherClosed, 'watcher Object was not closed');
+  });
+})().then(common.mustCall());

test/parallel/test-fs-watch-recursive-add-folder.js

@@ -0,0 +1,50 @@
+'use strict';
+
+const common = require('../common');
+const { setTimeout } = require('timers/promises');
+
+if (common.isIBMi)
+  common.skip('IBMi does not support `fs.watch()`');
+
+// fs-watch on folders have limited capability in AIX.
+// The testcase makes use of folder watching, and causes
+// hang. This behavior is documented. Skip this for AIX.
+
+if (common.isAIX)
+  common.skip('folder watch capability is limited in AIX.');
+
+const assert = require('assert');
+const path = require('path');
+const fs = require('fs');
+
+const tmpdir = require('../common/tmpdir');
+const testDir = tmpdir.path;
+tmpdir.refresh();
+
+(async () => {
+  // Add a folder to already watching folder
+
+  const rootDirectory = fs.mkdtempSync(testDir + path.sep);
+  const testDirectory = path.join(rootDirectory, 'test-2');
+  fs.mkdirSync(testDirectory);
+
+  const testFile = path.join(testDirectory, 'folder-2');
+
+  const watcher = fs.watch(testDirectory, { recursive: true });
+  let watcherClosed = false;
+  watcher.on('change', function(event, filename) {
+    assert.strictEqual(event, 'rename');
+
+    if (filename === path.basename(testFile)) {
+      watcher.close();
+      watcherClosed = true;
+    }
+  });
+
+  await setTimeout(common.platformTimeout(100));
+  fs.mkdirSync(testFile);
+
+  process.once('exit', function() {
+    assert(watcherClosed, 'watcher Object was not closed');
+  });
+})().then(common.mustCall());

test/parallel/test-fs-watch-recursive-assert-leaks.js

@@ -0,0 +1,48 @@
+'use strict';
+
+const common = require('../common');
+const { setTimeout } = require('timers/promises');
+
+if (common.isIBMi)
+  common.skip('IBMi does not support `fs.watch()`');
+
+// fs-watch on folders have limited capability in AIX.
+// The testcase makes use of folder watching, and causes
+// hang. This behavior is documented. Skip this for AIX.
+
+if (common.isAIX)
+  common.skip('folder watch capability is limited in AIX.');
+
+const assert = require('assert');
+const path = require('path');
+const fs = require('fs');
+
+const tmpdir = require('../common/tmpdir');
+const testDir = tmpdir.path;
+tmpdir.refresh();
+
+(async () => {
+  // Assert recursive watch does not leak handles
+  const rootDirectory = fs.mkdtempSync(testDir + path.sep);
+  const testDirectory = path.join(rootDirectory, 'test-7');
+  const filePath = path.join(testDirectory, 'only-file.txt');
+  fs.mkdirSync(testDirectory);
+
+  let watcherClosed = false;
+  const watcher = fs.watch(testDirectory, { recursive: true });
+  watcher.on('change', common.mustCallAtLeast(async (event, filename) => {
+    await setTimeout(common.platformTimeout(100));
+    if (filename === path.basename(filePath)) {
+      watcher.close();
+      watcherClosed = true;
+    }
+    await setTimeout(common.platformTimeout(100));
+    assert(!process._getActiveHandles().some((handle) => handle.constructor.name === 'StatWatcher'));
+  }));
+
+  process.on('exit', function() {
+    assert(watcherClosed, 'watcher Object was not closed');
+  });
+  await setTimeout(common.platformTimeout(100));
+  fs.writeFileSync(filePath, 'content');
+})().then(common.mustCall());

test/parallel/test-fs-watch-recursive-update-file.js

@@ -0,0 +1,52 @@
+'use strict';
+
+const common = require('../common');
+const { setTimeout } = require('timers/promises');
+
+if (common.isIBMi)
+  common.skip('IBMi does not support `fs.watch()`');
+
+// fs-watch on folders have limited capability in AIX.
+// The testcase makes use of folder watching, and causes
+// hang. This behavior is documented. Skip this for AIX.
+
+if (common.isAIX)
+  common.skip('folder watch capability is limited in AIX.');
+
+const assert = require('assert');
+const path = require('path');
+const fs = require('fs');
+
+const tmpdir = require('../common/tmpdir');
+const testDir = tmpdir.path;
+tmpdir.refresh();
+
+(async () => {
+  // Watch a folder and update an already existing file in it.
+
+  const rootDirectory = fs.mkdtempSync(testDir + path.sep);
+  const testDirectory = path.join(rootDirectory, 'test-0');
+  fs.mkdirSync(testDirectory);
+
+  const testFile = path.join(testDirectory, 'file-1.txt');
+  fs.writeFileSync(testFile, 'hello');
+
+  const watcher = fs.watch(testDirectory, { recursive: true });
+  let watcherClosed = false;
+  watcher.on('change', common.mustCallAtLeast(function(event, filename) {
+    // Libuv inconsistenly emits a rename event for the file we are watching
+    assert.ok(event === 'change' || event === 'rename');
+
+    if (filename === path.basename(testFile)) {
+      watcher.close();
+      watcherClosed = true;
+    }
+  }));
+
+  await setTimeout(common.platformTimeout(100));
+  fs.writeFileSync(testFile, 'hello');
+
+  process.once('exit', function() {
+    assert(watcherClosed, 'watcher Object was not closed');
+  });
+})().then(common.mustCall());