Added tests for getCardValue function covering Aces, Number cards, Face cards, and Invalid cards

Author: ashaahmed7

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

@@ -7,6 +7,74 @@ const getCardValue = require("../implement/3-get-card-value");
 // Case 1: Ace (A)
 test(`Should return 11 when given an ace card`, () => {
   expect(getCardValue("A♠")).toEqual(11);
+  expect(getCardValue("A♣")).toEqual(11);
+  expect(getCardValue("A♦")).toEqual(11);
+  expect(getCardValue("A♥")).toEqual(11);
+});
+
+// Case 2: Handle Number Cards (2-10):
+test("should return the appropriate number from 2 to 10", () => {
+  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);
+  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);
+  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);
+  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", () => {
+  expect(getCardValue("J♠")).toEqual(10);
+  expect(getCardValue("Q♠")).toEqual(10);
+  expect(getCardValue("K♠")).toEqual(10);
+  expect(getCardValue("J♦")).toEqual(10);
+  expect(getCardValue("Q♦")).toEqual(10);
+  expect(getCardValue("K♦")).toEqual(10);
+  expect(getCardValue("J♣")).toEqual(10);
+  expect(getCardValue("Q♣")).toEqual(10);
+  expect(getCardValue("K♣")).toEqual(10);
+  expect(getCardValue("J♥")).toEqual(10);
+  expect(getCardValue("Q♥")).toEqual(10);
+  expect(getCardValue("K♥")).toEqual(10);
+});
+
+// Case 4: Handle Invalid Cards:
+test("Should return 'Invalid card rank.' for invalid cards", () => {
+  expect(() => getCardValue("KJ")).toThrow("Invalid card rank.");
+  expect(() => getCardValue("AK")).toThrow("Invalid card rank.");
+  expect(() => getCardValue("  ")).toThrow("Invalid card rank.");
+  expect(() => getCardValue("S♠")).toThrow("Invalid card rank.");
+  expect(() => getCardValue("J♠♠")).toThrow("Invalid card rank.");
 });
 
 // Suggestion: Group the remaining test data into these categories:
@@ -17,4 +85,3 @@ 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
-