Assignment 2

contracts/002_Mapping.sol

@@ -3,7 +3,7 @@
 pragma solidity ^0.8.17;
 
 // Declare the contract
-contract Mappings{
+contract Mapping{
 
     // Declare a mapping that associates uint keys with string values.
     mapping(uint => string) students;

test/Mapping.js

@@ -0,0 +1,36 @@
+const { expect } = require("chai");
+const { ethers } = require("hardhat");
+
+describe("Mapping Test suite", function () {
+  let mapping;
+  beforeEach(async () => {
+    const Mapping = await ethers.getContractFactory("Mapping");
+    mapping = await Mapping.deploy();
+    await mapping.deployed();
+  });
+
+  it("Should add and retrieve a student", async function () {
+    const id = 1;
+    const name = "Isaac";
+    await mapping.addStudent(id, name);
+    const studentName = await mapping.viewStudent(id);
+    expect(studentName).to.equal(name);
+  });
+
+  it("Should add multiple students and retrieve them", async function () {
+    const students = [
+      { id: 1, name: "Isaac" },
+      { id: 2, name: "Pelz" },
+      { id: 3, name: "Esther-ego" },
+    ];
+
+    for (const student of students) {
+      await mapping.addStudent(student.id, student.name);
+    }
+
+    for (const student of students) {
+      const studentName = await mapping.viewStudent(student.id);
+      expect(studentName).to.equal(student.name);
+    }
+  });
+});