bot-api/tests/memoryServer.ts

import { MongoMemoryServer } from "mongodb-memory-server";

class MemoryServer {
  mongod: MongoMemoryServer | undefined;

  async start() {
    this.mongod = await MongoMemoryServer.create();
    const uri = this.mongod.getUri("bot");
    process.env.MONGODB_URI = uri;
  }

  async stop() {
    if (this.mongod) {
      await this.mongod.stop();
    }
  }
}

export default new MemoryServer();