116 lines
3.9 KiB
TypeScript
116 lines
3.9 KiB
TypeScript
import { tap, expect } from '@git.zone/tstest/tapbundle';
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import { NodeWatcher } from '../ts/watchers/watcher.node.js';
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import type { IWatchEvent } from '../ts/watchers/interfaces.js';
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import * as path from 'path';
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import * as fs from 'fs';
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// Bun uses NodeWatcher (Node.js compatibility layer).
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// This test validates that the chokidar-based watcher works under Bun.
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const isBun = typeof (globalThis as any).Bun !== 'undefined';
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const TEST_DIR = path.resolve('./test/assets');
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const delay = (ms: number) => new Promise<void>((r) => setTimeout(r, ms));
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function waitForEvent(
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watcher: { events$: { subscribe: Function } },
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filter: (e: IWatchEvent) => boolean,
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timeoutMs = 5000
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): Promise<IWatchEvent> {
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return new Promise((resolve, reject) => {
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const timeout = setTimeout(() => {
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sub.unsubscribe();
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reject(new Error(`Timeout waiting for event after ${timeoutMs}ms`));
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}, timeoutMs);
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const sub = watcher.events$.subscribe((event: IWatchEvent) => {
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if (filter(event)) {
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clearTimeout(timeout);
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sub.unsubscribe();
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resolve(event);
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}
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});
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});
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}
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let watcher: NodeWatcher;
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tap.test('BunNodeWatcher: should create and start', async () => {
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if (!isBun) { console.log('Skipping: not Bun runtime'); return; }
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watcher = new NodeWatcher({
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basePaths: [TEST_DIR],
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depth: 4,
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followSymlinks: false,
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debounceMs: 100,
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});
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expect(watcher.isWatching).toBeFalse();
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await watcher.start();
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expect(watcher.isWatching).toBeTrue();
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await delay(500);
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});
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tap.test('BunNodeWatcher: should detect file creation', async () => {
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if (!isBun) return;
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const file = path.join(TEST_DIR, 'bun-add-test.txt');
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const eventPromise = waitForEvent(watcher, (e) => e.type === 'add' && e.path.includes('bun-add-test.txt'));
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await fs.promises.writeFile(file, 'bun watcher test');
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const event = await eventPromise;
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expect(event.type).toEqual('add');
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expect(event.path).toInclude('bun-add-test.txt');
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await fs.promises.unlink(file);
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await delay(200);
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});
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tap.test('BunNodeWatcher: should detect file modification', async () => {
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if (!isBun) return;
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const file = path.join(TEST_DIR, 'bun-change-test.txt');
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await fs.promises.writeFile(file, 'initial');
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await delay(300);
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const eventPromise = waitForEvent(watcher, (e) => e.type === 'change' && e.path.includes('bun-change-test.txt'));
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await fs.promises.writeFile(file, 'modified');
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const event = await eventPromise;
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expect(event.type).toEqual('change');
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await fs.promises.unlink(file);
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await delay(200);
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});
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tap.test('BunNodeWatcher: should detect file deletion', async () => {
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if (!isBun) return;
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const file = path.join(TEST_DIR, 'bun-unlink-test.txt');
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await fs.promises.writeFile(file, 'to delete');
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await delay(300);
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const eventPromise = waitForEvent(watcher, (e) => e.type === 'unlink' && e.path.includes('bun-unlink-test.txt'));
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await fs.promises.unlink(file);
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const event = await eventPromise;
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expect(event.type).toEqual('unlink');
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});
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tap.test('BunNodeWatcher: should detect directory creation', async () => {
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if (!isBun) return;
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const dir = path.join(TEST_DIR, 'bun-test-subdir');
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const addDirPromise = waitForEvent(watcher, (e) => e.type === 'addDir' && e.path.includes('bun-test-subdir'));
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await fs.promises.mkdir(dir, { recursive: true });
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const event = await addDirPromise;
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expect(event.type).toEqual('addDir');
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await delay(200);
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await fs.promises.rmdir(dir);
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await delay(200);
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});
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tap.test('BunNodeWatcher: should not be watching after stop', async () => {
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if (!isBun) return;
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await watcher.stop();
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expect(watcher.isWatching).toBeFalse();
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});
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tap.test('BunNodeWatcher: cleanup', async () => {
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if (!isBun) return;
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for (const name of ['bun-add-test.txt', 'bun-change-test.txt', 'bun-unlink-test.txt']) {
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try { await fs.promises.unlink(path.join(TEST_DIR, name)); } catch {}
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}
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try { await fs.promises.rmdir(path.join(TEST_DIR, 'bun-test-subdir')); } catch {}
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});
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export default tap.start();
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