I wrote different test cases for the three functions.

Author: Mona-Eltantawy

Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/1-get-angle-type.test.js

@@ -14,7 +14,35 @@ test(`should return "Acute angle" when (0 < angle < 90)`, () => {
 });
 
 // Case 2: Right angle
+test(`should return "Right angle" when (angle=== 90)`, () => {
+  expect(getAngleType(90)).toEqual("Right angle");
+});
+
 // Case 3: Obtuse angles
+test (`should return "Obtuse angle" when (90 < angle < 180)` ,() =>{
+
+  expect(getAngleType(95)).toEqual("Obtuse angle");
+  expect(getAngleType(120)).toEqual("Obtuse angle");
+  expect(getAngleType(100)).toEqual("Obtuse angle");
+});
+
 // Case 4: Straight angle
+test (`should return "Straight angle" when ( angle === 180)` ,() =>{
+
+  expect(getAngleType(180)).toEqual("Straight angle");
+ 
+});
 // Case 5: Reflex angles
+test (`should return "Reflex angle" when (180 < angle < 360)` ,() =>{
+
+  expect(getAngleType(190)).toEqual("Reflex angle");
+  expect(getAngleType(300)).toEqual("Reflex angle");
+  expect(getAngleType(200)).toEqual("Reflex angle");
+});
 // Case 6: Invalid angles
+test (`should return "Invalid angle" when (angle <= 0 or angle > 360)` ,() => {
+
+  expect(getAngleType(0)).toEqual("Invalid angle");
+  expect(getAngleType(400)).toEqual("Invalid angle");
+  expect(getAngleType(-10)).toEqual("Invalid angle");
+});

Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/2-is-proper-fraction.test.js

@@ -2,9 +2,42 @@
 // We will use the same function, but write tests for it using Jest in this file.
 const isProperFraction = require("../implement/2-is-proper-fraction");
 
-// TODO: Write tests in Jest syntax to cover all combinations of positives, negatives, zeros, and other categories.
-
-// Special case: numerator is zero
-test(`should return false when denominator is zero`, () => {
+// denominator is zero
+test("should return false when denominator is zero", () => {
   expect(isProperFraction(1, 0)).toEqual(false);
 });
+
+// proper fraction (numerator < denominator)
+test("should return true when numerator < denominator", () => {
+  expect(isProperFraction(1, 2)).toEqual(true);
+});
+
+// improper fraction (numerator > denominator)
+test("should return false when numerator > denominator", () => {
+  expect(isProperFraction(5, 3)).toEqual(false);
+});
+
+// equal numbers
+test("should return false when numerator === denominator", () => {
+  expect(isProperFraction(4, 4)).toEqual(false);
+});
+
+// numerator is zero
+test("should return true when numerator is zero and denominator is positive", () => {
+  expect(isProperFraction(0, 5)).toEqual(true);
+});
+
+// negative numerator
+test("should return false when numerator is negative", () => {
+  expect(isProperFraction(-2, 4)).toEqual(false);
+});
+
+// negative denominator
+test("should return false when denominator is negative", () => {
+  expect(isProperFraction(5, -4)).toEqual(false);
+});
+
+// both negative
+test("should return false when both numerator and denominator are negative", () => {
+  expect(isProperFraction(-3, -5)).toEqual(false);
+});

Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/3-get-card-value.test.js

@@ -9,6 +9,32 @@ test(`Should return 11 when given an ace card`, () => {
   expect(getCardValue("A♠")).toEqual(11);
 });
 
+
+// Case 2: Number Cards (2–10)
+test("Should return the numeric value for number cards", () => {
+  expect(getCardValue("2♠")).toEqual(2);
+  expect(getCardValue("5♥")).toEqual(5);
+  expect(getCardValue("9♦")).toEqual(9);
+  expect(getCardValue("10♣")).toEqual(10);
+});
+
+// Case 3: Face Cards (J, Q, K)
+test("Should return 10 for face cards", () => {
+  expect(getCardValue("J♠")).toEqual(10);
+  expect(getCardValue("Q♥")).toEqual(10);
+  expect(getCardValue("K♦")).toEqual(10);
+});
+
+// Case 4: Invalid Cards
+test("Should throw an error for invalid cards", () => {
+  expect(() => getCardValue("1♠")).toThrowError();
+  expect(() => getCardValue("B♣")).toThrowError();
+  expect(() => getCardValue("10?")).toThrowError();
+  expect(() => getCardValue("invalid")).toThrowError();
+});
+
+
+
 // Suggestion: Group the remaining test data into these categories:
 //   Number Cards (2-10)
 //   Face Cards (J, Q, K)
@@ -17,4 +43,3 @@ test(`Should return 11 when given an ace card`, () => {
 // To learn how to test whether a function throws an error as expected in Jest,
 // please refer to the Jest documentation:
 // https://jestjs.io/docs/expect#tothrowerror
-