rewrite test with jest for getcardvalue code

Author: Alaa-Tagi

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

@@ -20,7 +20,7 @@ function isProperFraction(numerator, denominator) {
   // we could add more checks here for invalid input, but not required for this exercise
 }
 
-// The line below allows us to load the isProperFraction function into tests in other files.
+// The line below allows uscd-- to load the isProperFraction function into tests in other files.
 // This will be useful in the "rewrite tests with jest" step.
 module.exports = isProperFraction;
 

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

@@ -8,6 +8,38 @@ test("should return 11 for Ace of Spades", () => {
 });
 
 // Case 2: Handle Number Cards (2-10):
+test("should return 7 for 7 of Hearts", () => {
+  const sevenOfHearts = getCardValue("7♥");
+  expect(sevenOfHearts).toEqual(7);
+});
 // Case 3: Handle Face Cards (J, Q, K):
+test("should return 10 for Jack of Diamonds", () => {
+  const jackOfDiamonds = getCardValue("J♦");
+  expect(jackOfDiamonds).toEqual(10);
+});
+
+test("should return 10 for Queen of Clubs", () => {
+  const queenOfClubs = getCardValue("Q♣");
+  expect(queenOfClubs).toEqual(10);
+});
+
+test("should return 10 for King of Spades", () => {
+  const kingOfSpades = getCardValue("K♠");
+  expect(kingOfSpades).toEqual(10);
+});
+
 // Case 4: Handle Ace (A):
+test("should return 11 for Ace of Diamonds", () => {
+  const aceOfDiamonds = getCardValue("A♦");
+  expect(aceOfDiamonds).toEqual(11);
+});
 // Case 5: Handle Invalid Cards:
+test("should return null for invalid card '1X'", () => {
+  const invalidCard1 = getCardValue("1X");
+  expect(invalidCard1).toBe("Invalid card rank");
+});
+test("should return null for invalid card '11H'", () => {
+  const invalidCard2 = getCardValue("11H");
+  expect(invalidCard2).toBe("Invalid card rank");
+});
+