sinon-tut-save-sen-2.js

const { saveUser } = require("../src/services/user.service");

const { expect } = require("chai");
const User = require("../src/models/user.model")
const sinon = require("sinon");

describe("User Service Unit Tests", function () {
  this.afterEach(() => {
    sinon.restore();
  })
  describe("Save User functionality", function () {

    it("should throw an error if the number of users with the same profileId is not zero", async function () {
      const profileId = 1;
      const name = "Akshay";
      const dob = "2020-12-12";
      const experience = [{ years: 2, organizationName: "ABCD" }]
      sinon.stub(User, 'countDocuments').returns(1)
      await saveUser({
        profileId,
        name,
        dob,
        experience,
      }).catch((error) => {
        expect(error.message).to.equal("User with profileId already exists")
      });
    });
  });
});