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describe("The Test Group", () => {
  it("the title of the test", () => {
    // the test code is here
  });
});

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// index.test.js
const assert = require("assert");
const StudentManagement = require("./index");

describe("Student Management Module", () => {
  let testClass;

  before(() => {
    testClass = new StudentManagement(["Abel", "Ben", "Cain"]);
  });

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npx mocha index.test.js

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//.
  "scripts": {
    "test": "mocha index.test.js"
  },
//..

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npm install mocha --save-dev

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// demo.js
const StudentManagement = require("./index")

const classA = new StudentManagement(["Abel", "Ben", "Cain"])

console.log("Intial Students: \n", classA.getStudent())

// adding two new students
classA.add("Daniel", "Evelyn")

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// index.js
let counter = 0;

const generateId = () => {
  ++counter;
  return counter;
};

class StudentManagement {
  #students = [];

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// index.test.js
const assert = require("assert")
const StudentManagement = require("./index")

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// index.js
let counter = 0;

const generateId = () => {/* */};

class StudentManagement {
  constructor() {/* */}

  add() {/* */}

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// index.js
let counter = 0

const generateId = () => { /* */}

class StudentManagement { /* */ }

module.exports = StudentManagement