Add Jest tests for card values

Author: fatimarouchi

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

@@ -9,10 +9,34 @@ 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 2 when given a 2 card", () => {
+  expect(getCardValue("2♠")).toEqual(2);
+});
+
+test("Should return 10 when given a 10 card", () => {
+  expect(getCardValue("10♠")).toEqual(10);
+});
 //   Face Cards (J, Q, K)
+test("Should return 10 when given a Jack", () => {
+  expect(getCardValue("J♠")).toEqual(10);
+});
+
+test("Should return 10 when given a Queen", () => {
+  expect(getCardValue("Q♠")).toEqual(10);
+});
+
+test("Should return 10 when given a King", () => {
+  expect(getCardValue("K♠")).toEqual(10);
+});
 //   Invalid Cards
+test("Should throw an error for invalid text", () => {
+  expect(() => getCardValue("invalid")).toThrow();
+});
+
+test("Should throw an error when suit is missing", () => {
+  expect(() => getCardValue("A")).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
-