deploy: current vibn theia state

Made-with: Cursor

packages/filesystem/src/node/parcel-watcher/parcel-filesystem-watcher.spec.ts

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+// *****************************************************************************
+// Copyright (C) 2018 Ericsson and others.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+import * as temp from 'temp';
+import * as chai from 'chai';
+import * as cp from 'child_process';
+import * as fs from '@theia/core/shared/fs-extra';
+import * as assert from 'assert';
+import URI from '@theia/core/lib/common/uri';
+import { FileUri } from '@theia/core/lib/node';
+import { ParcelFileSystemWatcherService } from './parcel-filesystem-service';
+import { DidFilesChangedParams, FileChange, FileChangeType } from '../../common/filesystem-watcher-protocol';
+
+const expect = chai.expect;
+const track = temp.track();
+
+describe('parcel-filesystem-watcher', function (): void {
+
+    let root: URI;
+    let watcherService: ParcelFileSystemWatcherService;
+    let watcherId: number;
+
+    this.timeout(100000);
+
+    beforeEach(async () => {
+        let tempPath = temp.mkdirSync('node-fs-root');
+        // Sometimes tempPath will use some Windows 8.3 short name in its path. This is a problem
+        // since parcel always returns paths with long names. We need to convert here.
+        // See: https://stackoverflow.com/a/34473971/7983255
+        if (process.platform === 'win32') {
+            tempPath = cp.execSync(`powershell "(Get-Item -LiteralPath '${tempPath}').FullName"`, {
+                encoding: 'utf8',
+            }).trim();
+        }
+        root = FileUri.create(fs.realpathSync(tempPath));
+        watcherService = createParcelFileSystemWatcherService();
+        watcherId = await watcherService.watchFileChanges(0, root.toString());
+        await sleep(200);
+    });
+
+    afterEach(async () => {
+        track.cleanupSync();
+        watcherService.dispose();
+    });
+
+    it('Should receive file changes events from in the workspace by default.', async function (): Promise<void> {
+        const actualUris = new Set<string>();
+
+        const watcherClient = {
+            onDidFilesChanged(event: DidFilesChangedParams): void {
+                event.changes.forEach(c => actualUris.add(c.uri.toString()));
+            },
+            onError(): void {
+            }
+        };
+        watcherService.setClient(watcherClient);
+
+        const expectedUris = [
+            root.resolve('foo').toString(),
+            root.withPath(root.path.join('foo', 'bar')).toString(),
+            root.withPath(root.path.join('foo', 'bar', 'baz.txt')).toString()
+        ];
+
+        fs.mkdirSync(FileUri.fsPath(root.resolve('foo')));
+        expect(fs.statSync(FileUri.fsPath(root.resolve('foo'))).isDirectory()).to.be.true;
+        await sleep(200);
+
+        fs.mkdirSync(FileUri.fsPath(root.resolve('foo').resolve('bar')));
+        expect(fs.statSync(FileUri.fsPath(root.resolve('foo').resolve('bar'))).isDirectory()).to.be.true;
+        await sleep(200);
+
+        fs.writeFileSync(FileUri.fsPath(root.resolve('foo').resolve('bar').resolve('baz.txt')), 'baz');
+        expect(fs.readFileSync(FileUri.fsPath(root.resolve('foo').resolve('bar').resolve('baz.txt')), 'utf8')).to.be.equal('baz');
+        await sleep(200);
+
+        assert.deepStrictEqual([...actualUris], expectedUris);
+    });
+
+    it('Should not receive file changes events from in the workspace by default if unwatched', async function (): Promise<void> {
+        const actualUris = new Set<string>();
+
+        const watcherClient = {
+            onDidFilesChanged(event: DidFilesChangedParams): void {
+                event.changes.forEach(c => actualUris.add(c.uri.toString()));
+            },
+            onError(): void {
+            }
+        };
+        watcherService.setClient(watcherClient);
+
+        /* Unwatch root */
+        await watcherService.unwatchFileChanges(watcherId);
+
+        fs.mkdirSync(FileUri.fsPath(root.resolve('foo')));
+        expect(fs.statSync(FileUri.fsPath(root.resolve('foo'))).isDirectory()).to.be.true;
+        await sleep(200);
+
+        fs.mkdirSync(FileUri.fsPath(root.resolve('foo').resolve('bar')));
+        expect(fs.statSync(FileUri.fsPath(root.resolve('foo').resolve('bar'))).isDirectory()).to.be.true;
+        await sleep(200);
+
+        fs.writeFileSync(FileUri.fsPath(root.resolve('foo').resolve('bar').resolve('baz.txt')), 'baz');
+        expect(fs.readFileSync(FileUri.fsPath(root.resolve('foo').resolve('bar').resolve('baz.txt')), 'utf8')).to.be.equal('baz');
+        await sleep(200);
+
+        assert.deepStrictEqual(actualUris.size, 0);
+    });
+
+    it('Renaming should emit a DELETED and ADDED event', async function (): Promise<void> {
+        const file_txt = root.resolve('file.txt');
+        const FILE_txt = root.resolve('FILE.txt');
+        const changes: FileChange[] = [];
+        watcherService.setClient({
+            onDidFilesChanged: event => event.changes.forEach(change => changes.push(change)),
+            onError: console.error
+        });
+        await fs.promises.writeFile(
+            FileUri.fsPath(file_txt),
+            'random content\n'
+        );
+        await sleep(200);
+        await fs.promises.rename(
+            FileUri.fsPath(file_txt),
+            FileUri.fsPath(FILE_txt)
+        );
+        await sleep(200);
+        // The order of DELETED and ADDED is not deterministic
+        try {
+            expect(changes).deep.eq([
+                // initial file creation change event:
+                { type: FileChangeType.ADDED, uri: file_txt.toString() },
+                // rename change events:
+                { type: FileChangeType.DELETED, uri: file_txt.toString() },
+                { type: FileChangeType.ADDED, uri: FILE_txt.toString() },
+            ]);
+        } catch {
+            expect(changes).deep.eq([
+                // initial file creation change event:
+                { type: FileChangeType.ADDED, uri: file_txt.toString() },
+                // rename change events:
+                { type: FileChangeType.ADDED, uri: FILE_txt.toString() },
+                { type: FileChangeType.DELETED, uri: file_txt.toString() },
+            ]);
+        }
+    });
+
+    function createParcelFileSystemWatcherService(): ParcelFileSystemWatcherService {
+        return new ParcelFileSystemWatcherService({
+            verbose: true
+        });
+    }
+
+    function sleep(time: number): Promise<unknown> {
+        return new Promise(resolve => setTimeout(resolve, time));
+    }
+
+});
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+process.on('unhandledRejection', (reason: any) => {
+    console.error('Unhandled promise rejection: ' + reason);
+});