Merge pull request #89 from MinKuanIsHere/313552009

[LAB1] 313552009

Author: AxelHowe

lab1/main_test.js

@@ -3,21 +3,97 @@ const assert = require('assert');
 const { MyClass, Student } = require('./main');
 
 test("Test MyClass's addStudent", () => {
-    // TODO
-    throw new Error("Test not implemented");
+ 
+    // Create an instance of MyClass
+    const myClass = new MyClass();
+
+    // Test 1: Passing a non-Student object should return -1
+    assert.strictEqual(myClass.addStudent("Jonh"), -1, "test 1 at addStudent");
+
+    // Test 2: Adding a valid Student object should return index 0
+    const student0 = new Student();
+    student0.setName("John");
+    assert.strictEqual(myClass.addStudent(student0), 0, "test 2 at addStudent");
+
+    // Test 3: Adding another Student should return index 1 (Fix the expected value)
+    const student1 = new Student();
+    student1.setName("Jane");
+    assert.strictEqual(myClass.addStudent(student1), 1, "test 3 at addStudent");
+
+    // No need to throw an error; tests are implemented
+    // throw new Error("Test not implemented");
 });
 
 test("Test MyClass's getStudentById", () => {
-    // TODO
-    throw new Error("Test not implemented");
+    
+    // Create an instance of MyClass
+    const myClass = new MyClass();
+
+    // add student
+    const student0 = new Student(), student1 = new Student(), student2 = new Student();
+    student0.setName("Doe");
+
+    const newStudentId0 = myClass.addStudent(student0);
+
+    // Test 1: Passing an invalid ID (< 0) should return null
+    assert.strictEqual(myClass.getStudentById(-1), null, "test 1 at getStudentById");
+
+    // Test 2: Valid ID should return the correct student object
+    assert.strictEqual(myClass.getStudentById(newStudentId0), student0, "test 2 at getStudentById");
+
+    // Test 3: Passing an out-of-bounds ID should return null
+    assert.strictEqual(myClass.getStudentById(999), null, "test 3 at getStudentById");
+    
+    // No need to throw an error; tests are implemented
+    // throw new Error("Test not implemented");
 });
 
 test("Test Student's setName", () => {
-    // TODO
-    throw new Error("Test not implemented");
+
+    // Test 1: userName is an integer, should not change name (remain undefined)
+    const student0 = new Student();
+    const name0= 20250306;
+    student0.setName(name0);
+    assert.strictEqual(student0.getName(), '', "test 1 at setName");
+
+    // Test 2: userName is a float, should not change name (remain undefined)
+    const student1 = new Student();
+    const name1= 3.14156;
+    student1.setName(name1);
+    assert.strictEqual(student1.getName(), '', "test 2 at setName");
+
+    // Test 3: userName is a valid string, should set the name correctly
+    const student2 = new Student();
+    const name3= 'Smith';
+    student2.setName(name3);
+    assert.strictEqual(student2.getName(), name3, "test 3 at setName");
+
+    // No need to throw an error; tests are implemented
+    // throw new Error("Test not implemented");
 });
 
 test("Test Student's getName", () => {
-    // TODO
-    throw new Error("Test not implemented");
+
+    // Test 1: Set a valid name and retrieve it
+    const student0 = new Student();
+    const name0 = "John";
+    student0.setName(name0);
+    assert.strictEqual(student0.getName(), name0, "test 1 at getName");
+
+    // Test 2: Set an invalid name (integer), getName() should return an empty string
+    const student1 = new Student();
+    student1.setName(1);
+    assert.strictEqual(student1.getName(), '', "test 2 at getName");
+
+    // Test 3: Set an empty string as name, should return an empty string
+    const student2 = new Student();
+    student2.setName('');
+    assert.strictEqual(student2.getName(), '', "test 3 at getName");
+
+    // Test 4: Default value of getName() before setting any name
+    const student3 = new Student();
+    assert.strictEqual(student3.getName(), '', "test 4 at getName");
+
+    // No need to throw an error; tests are implemented
+    // throw new Error("Test not implemented");
 });