sinon-tut-test2.js

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

const { expect } = require("chai");
const mongoose = require("mongoose");

const username = "root";
const password = "example";
const dbname = "mongo-sinon";

mongoose.connect(
  `mongodb://${username}:${password}@localhost:27017/${dbname}?authSource=admin&readPreference=primary`,
  {
    useNewUrlParser: true,
    useUnifiedTopology: true,
  }
);

const db = mongoose.connection;
db.on("error", console.error.bind(console, "connection error: "));
db.once("open", async function () {
  console.log("Connected successfully");
});

describe("User Service Unit Tests", function () {
  describe("Save User functionality", function () {
    it("should successfully add a user if the number of users in the DB with the same profiled is zero", async function () {
      const profileId = 1;
      const name = "Akshay";
      const dob = "2020-12-12";
      const experience = [{ years: 2, organizationName: "ABCD" }];
      const returnedUser = await saveUser({
        profileId,
        name,
        dob,
        experience,
      });
      expect(returnedUser.name).to.equal(name);
      expect(returnedUser.dob.toString()).to.equal((new Date(dob)).toString());
      experience.map((exp, index) => {
        expect(returnedUser.experience[index].years).to.equal(exp.years);
        expect(returnedUser.experience[index].organizationName).to.equal(exp.organizationName);  
      })
    });
    it("should throw an error if the number of users with the same profileId is not zero", async function () {});
  });
});