feat: @discordjs/brokers (#8548)

packages/brokers/__tests__/index.test.ts

@@ -0,0 +1,18 @@
+import type Redis from 'ioredis';
+import { test, expect, vi } from 'vitest';
+import { PubSubRedisBroker } from '../src/index.js';
+
+const mockRedisClient = {
+	defineCommand: vi.fn(),
+	xadd: vi.fn(),
+	duplicate: vi.fn(() => mockRedisClient),
+} as unknown as Redis;
+
+test('pubsub with custom encoding', async () => {
+	// eslint-disable-next-line @typescript-eslint/no-unsafe-return
+	const encode = vi.fn((data) => data);
+
+	const broker = new PubSubRedisBroker({ redisClient: mockRedisClient, encode });
+	await broker.publish('test', 'test');
+	expect(encode).toHaveBeenCalledWith('test');
+});