added module.exports

Author: CatchingKiyoko

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

@@ -81,4 +81,5 @@ try {
   console.log("Test failed: Expected an error for invalid card rank.");
 } catch(error){
   assertEquals(error.message, "Invalid card rank.");
-}
+}
+module.exports = getCardValue;

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

@@ -7,7 +7,29 @@ test("should return 11 for Ace of Spades", () => {
   expect(aceofSpades).toEqual(11);
 });
 
-// Case 2: Handle Number Cards (2-10):
+test("should return the correct value for number cards between 2 and 9", () => {
+  expect(getCardValue("2♥")).toEqual(2);
+  expect(getCardValue("3♦")).toEqual(3);
+  expect(getCardValue("4♣")).toEqual(4);
+  expect(getCardValue("5♠")).toEqual(5);
+  expect(getCardValue("6♥")).toEqual(6);
+  expect(getCardValue("7♦")).toEqual(7);
+  expect(getCardValue("8♣")).toEqual(8);
+  expect(getCardValue("9♠")).toEqual(9);
+  expect(getCardValue("10♥")).toEqual(10);
+});
 // Case 3: Handle Face Cards (J, Q, K):
+test("should return 10 for face cards (J, Q, K)", () => {
+  expect(getCardValue("J♠")).toEqual(10);
+  expect(getCardValue("Q♦")).toEqual(10);
+  expect(getCardValue("K♣")).toEqual(10);
+});
 // Case 4: Handle Ace (A):
+test("should return 11 for Aces", () => {
+  expect(getCardValue("A♠")).toEqual(11);
+});
 // Case 5: Handle Invalid Cards:
+test("should throw an error for invalid card ranks", () => {
+  expect(() => getCardValue("X♠")).toThrow("Invalid card rank.");
+  expect(() => getCardValue("1♠")).toThrow("Invalid card rank.");
+});