feat: Initial clean release of CHM

packages/lib/TaskQueue.test.ts

@@ -0,0 +1,50 @@
+import { setupDatabaseAndSynchronizer, sleep, switchClient } from './testing/test-utils';
+import TaskQueue from './TaskQueue';
+
+describe('TaskQueue', () => {
+
+	beforeEach(async () => {
+		await setupDatabaseAndSynchronizer(1);
+		await switchClient(1);
+	});
+
+	it('should queue and execute tasks', (async () => {
+		const queue = new TaskQueue('test');
+
+		queue.push('1', async () => { await sleep(0.5); return 'a'; });
+		queue.push('2', async () => { await sleep(0.5); return 'b'; });
+		queue.push('3', async () => { await sleep(0.5); return 'c'; });
+
+		const results = [];
+
+		results.push(await queue.waitForResult('1'));
+		results.push(await queue.waitForResult('2'));
+		results.push(await queue.waitForResult('3'));
+
+		expect(results[0].id).toBe('1');
+		expect(results[0].result).toBe('a');
+		expect(results[1].id).toBe('2');
+		expect(results[1].result).toBe('b');
+		expect(results[2].id).toBe('3');
+		expect(results[2].result).toBe('c');
+	}));
+
+	it('should handle errors', (async () => {
+		const queue = new TaskQueue('test');
+
+		queue.push('1', async () => { await sleep(0.5); return 'a'; });
+		queue.push('2', async () => { await sleep(0.5); throw new Error('e'); });
+
+		const results = [];
+
+		results.push(await queue.waitForResult('1'));
+		results.push(await queue.waitForResult('2'));
+
+		expect(results[0].id).toBe('1');
+		expect(results[0].result).toBe('a');
+		expect(results[1].id).toBe('2');
+		expect(!results[1].result).toBe(true);
+		expect(results[1].error.message).toBe('e');
+	}));
+
+});