rewrite tests with jests complete

Added Jest tests for card value function covering Aces, face cards, number cards, and invalid cards.

Author: anitahy73

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

@@ -3,18 +3,34 @@
 const getCardValue = require("../implement/3-get-card-value");
 
 // TODO: Write tests in Jest syntax to cover all possible outcomes.
-
+//["♠", "♥", "♦", "♣"];
 // Case 1: Ace (A)
 test(`Should return 11 when given an ace card`, () => {
   expect(getCardValue("A♠")).toEqual(11);
 });
-
+//Case 2: Face Cards(J, Q,K)
+test(`Should return 10 when given a face card`, () => {
+  expect(getCardValue("J♠")).toEqual(10);
+  expect(getCardValue("K♣")).toEqual(10);
+  expect(getCardValue("J♦")).toEqual(10);
+});
+//case 3: Number Cards (2-10)
+test(`Should return the number when given a number card`, () => {
+  expect(getCardValue("4♠")).toEqual(4);
+  expect(getCardValue("9♣")).toEqual(9);
+  expect(getCardValue("2♦")).toEqual(2);
+});
+//Case 4: Invalid cards
+test(`Should return the invalid suit, invalid card or invalid card`, () => {
+  expect(() => getCardValue("Apple")).toThrow("Invalid card");
+  expect(() => getCardValue("4🎉")).toThrow("Invalid card");
+  expect(() => getCardValue("20♣")).toThrow("Invalid card");
+});
 // Suggestion: Group the remaining test data into these categories:
 //   Number Cards (2-10)
 //   Face Cards (J, Q, K)
 //   Invalid Cards
 
 // 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
-
+// https://jestjs.io/docs/expecttothrowerror