Add tests for getCardValue covering number cards, face cards, and invalid input

Author: HoussamLh

Sprint-3/2-mandatory-rewrite/3-get-card-value.test.js

@@ -1,11 +1,33 @@
 const getCardValue = require("./3-get-card-value");
 
 test("should return 11 for Ace of Spades", () => {
-    const aceofSpades = getCardValue("A♠");
-    expect(aceofSpades).toEqual(11);
-    });
-
-// Case 2: Handle Number Cards (2-10):
-// Case 3: Handle Face Cards (J, Q, K):
-// Case 4: Handle Ace (A):
-// Case 5: Handle Invalid Cards:
+  expect(getCardValue("A♠")).toEqual(11);
+});
+
+// Case 2: Handle Number Cards (2-10)
+test("should return 5 for Five of Hearts", () => {
+  expect(getCardValue("5♥")).toEqual(5);
+});
+
+test("should return 10 for Ten of Diamonds", () => {
+  expect(getCardValue("10♦")).toEqual(10);
+});
+
+// Case 3: Handle Face Cards (J, Q, K)
+test("should return 10 for Jack of Clubs", () => {
+  expect(getCardValue("J♣")).toEqual(10);
+});
+
+test("should return 10 for Queen of Spades", () => {
+  expect(getCardValue("Q♠")).toEqual(10);
+});
+
+test("should return 10 for King of Hearts", () => {
+  expect(getCardValue("K♥")).toEqual(10);
+});
+
+// Case 5: Handle Invalid Cards
+test("should throw an error for invalid card rank", () => {
+  expect(() => getCardValue("Z♣")).toThrow("Invalid card rank");
+});
+