Question 117442 in Mongodb Question posted in
The official documentation can be found here.

Mongodb – Incorrect State for operation: "new", allowed States: "[running,starting]"

There is just one test case that I’m testing. I verified the MongoDB methods and they seem to be up to
date. No open issues on GitHub as well.

Error:    at MongoMemoryServer.getUri (node_modules/mongodb-memory-server- 
          core/src/MongoMemoryServer.ts:706:15)
          at src/test/setup.ts:7:32
          at src/test/setup.ts:8:71
          at Object.<anonymous>.__awaiter (src/test/setup.ts:4:12)
          at Object.<anonymous> (src/test/setup.ts:5:22)   



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

let mongo: any;
beforeAll(async () => {
  mongo = new MongoMemoryServer();
  const mongoUri = await mongo.getUri();
  await mongoose.connect(mongoUri);
});

beforeEach(async () => {
  const collections = await mongoose.connection.db.collections();
  for (let collection of collections) {
    await collection.deleteMany({});
  }
});

afterAll(async () => {
  await mongo.stop();
  await mongoose.connection.close();
});
Tags:

3

Answers


  1. 0

    channge the line mongo = new MongoMemoryServer(); to mongo = await MongoMemoryServer.create()

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  2. 0

    I had your same issue and by looking at the documentation I figure out that you first have to create the object with new and then start the instance with start():

    mongod = new MongoMemoryServer()
await mongod.start()

const uri = await mongod.getUri()

const mongooseOptions = {
    useNewUrlParser:true,
};

await mongoose.connect(uri,mongooseOptions)
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  3. 0

    You have 2 options to solve this problem:

    1- Change the line:

    mongo = new MongoMemoryServer();

    to:

    mongo = await MongoMemoryServer.create();

    2- Change the lines:

     mongo = new MongoMemoryServer();
 const mongoUri = await mongo.getUri();
 await mongoose.connect(mongoUri);

    To:

    mongod = new MongoMemoryServer()
await mongod.start()

const uri = await mongod.getUri()

const mongooseOptions = {
useNewUrlParser:true,
};

await mongoose.connect(uri, mongooseOptions)
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