torotask/dist/__tests__/helpers/test-redis.js

Task queue processing in NodeJS based on BullMQ and Redis

import { RedisMemoryServer } from 'redis-memory-server';
import { Redis } from 'ioredis';
export class TestRedisServer {
    server = null;
    redis = null;
    async start() {
        this.server = new RedisMemoryServer({
            instance: {
                port: 0, // Random available port
            },
        });
        await this.server.start();
    }
    async stop() {
        if (this.redis) {
            this.redis.disconnect();
            this.redis = null;
        }
        if (this.server) {
            await this.server.stop();
            this.server = null;
        }
    }
    async getRedisUrl() {
        if (!this.server) {
            throw new Error('Redis server not started');
        }
        const host = await this.server.getHost();
        const port = await this.server.getPort();
        if (!host || !port) {
            throw new Error(`Redis server not properly initialized - host: ${host}, port: ${port}`);
        }
        return `redis://${host}:${port}`;
    }
    async getRedisClient() {
        if (!this.redis) {
            const redisUrl = await this.getRedisUrl();
            this.redis = new Redis(redisUrl);
        }
        return this.redis;
    }
    async flushAll() {
        const client = await this.getRedisClient();
        await client.flushall();
    }
}
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