test the 3 with jest

Author: gaireprakash20-ops

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

@@ -6,6 +6,82 @@ import { getCardValue } from "../implement/3-get-card-value.js";
 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);
+});
+test(`Should return 10 when given a Face card`, () => {
+  expect(getCardValue("K♠")).toEqual(10);
+});
+test(`Should return 10 when given a Face card`, () => {
+  expect(getCardValue("Q♠")).toEqual(10);
+});
+//case 3: Number Cards (2-10)
+test(`Should return 2 when given a number card`, () => {
+  expect(getCardValue("2♠")).toEqual(2);
+});
+test(`Should return 3 when given a number card`, () => {
+  expect(getCardValue("3♠")).toEqual(3);
+});
+test(`Should return 4 when given a number card`, () => {
+  expect(getCardValue("4♠")).toEqual(4);
+});
+test(`Should return 5 when given a number card`, () => {
+  expect(getCardValue("5♠")).toEqual(5);
+});
+test(`Should return 6 when given a number card`, () => {
+  expect(getCardValue("6♠")).toEqual(6);
+});
+test(`Should return 8 when given a number card`, () => {
+  expect(getCardValue("8♠")).toEqual(8);
+});
+test(`Should return 7 when given a number card`, () => {
+  expect(getCardValue("7♠")).toEqual(7);
+});
+test(`Should return 9 when given a number card`, () => {
+  expect(getCardValue("9♠")).toEqual(9);
+});
+test(`Should return 10 when given a number card`, () => {
+  expect(getCardValue("10♠")).toEqual(10);
+});
+// Case 4: Invalid cards
+test(`Should throw an error when given a non-card string`, () => {
+  expect(() => getCardValue("invalid")).toThrow(
+    'Expected a number followed by a suit, but got "invalid"'
+  );
+});
+
+test(`Should throw an error when the card has no suit`, () => {
+  expect(() => getCardValue("A")).toThrow();
+});
+
+test(`Should throw an error when the suit is invalid`, () => {
+  expect(() => getCardValue("5X")).toThrow();
+});
+
+test(`Should throw an error when the rank is invalid`, () => {
+  expect(() => getCardValue("Z♠")).toThrow();
+});
+
+test(`Should throw an error when the rank is too low`, () => {
+  expect(() => getCardValue("1♥")).toThrow();
+});
+
+test(`Should throw an error when the rank is too high`, () => {
+  expect(() => getCardValue("11♦")).toThrow();
+});
+
+test(`Should throw an error when the rank is lowercase`, () => {
+  expect(() => getCardValue("a♠")).toThrow();
+});
+
+test(`Should throw an error when the suit comes before the rank`, () => {
+  expect(() => getCardValue("♠A")).toThrow();
+});
+
+test(`Should throw an error when given an empty string`, () => {
+  expect(() => getCardValue("")).toThrow();
+});
 
 // Suggestion: Group the remaining test data into these categories:
 //   Number Cards (2-10)
@@ -15,4 +91,3 @@ 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
-