Refactor tests for getCardValue function to improve structure and coverage for number and face cards, including error handling for invalid inputs

Author: Alex-Os-Dev-Lab

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

@@ -11,10 +11,34 @@ test(`Should return 11 when given an ace card`, () => {
 
 // Suggestion: Group the remaining test data into these categories:
 //   Number Cards (2-10)
+
+test(`Should return the correct value for number cards`, () => {
+  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);
+});
 //   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);
+});
 //   Invalid Cards
+test(`Should throw an error for invalid cards`, () => {
+  expect(() => getCardValue("1♠")).toThrow();
+  expect(() => getCardValue("11♠")).toThrow();
+  expect(() => getCardValue("B♠")).toThrow();
+  expect(() => getCardValue("Z♠")).toThrow();
+  expect(() => getCardValue("A")).toThrow();
+  expect(() => getCardValue("10")).toThrow();
+});
 
 // 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
-