tested edge cases with jest

Author: Oussama-Mouggal

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

@@ -2,19 +2,103 @@
 // We will use the same function, but write tests for it using Jest in this file.
 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`, () => {
+// Case 1: Ace (A) - Should return 11
+test(`Should return 11 when given an ace card (A♠)`, () => {
   expect(getCardValue("A♠")).toEqual(11);
 });
 
-// Suggestion: Group the remaining test data into these categories:
-//   Number Cards (2-10)
-//   Face Cards (J, Q, K)
-//   Invalid Cards
+test(`Should return 11 when given an ace card (A♥)`, () => {
+  expect(getCardValue("A♥")).toEqual(11);
+});
+
+test(`Should return 11 when given an ace card (A♦)`, () => {
+  expect(getCardValue("A♦")).toEqual(11);
+});
+
+test(`Should return 11 when given an ace card (A♣)`, () => {
+  expect(getCardValue("A♣")).toEqual(11);
+});
+
+// Case 2: Number Cards (2-10)
+test(`Should return 2 when given a number card (2♠)`, () => {
+  expect(getCardValue("2♠")).toEqual(2);
+});
+
+test(`Should return 3 when given a number card (3♥)`, () => {
+  expect(getCardValue("3♥")).toEqual(3);
+});
+
+test(`Should return 4 when given a number card (4♦)`, () => {
+  expect(getCardValue("4♦")).toEqual(4);
+});
 
-// 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
+test(`Should return 5 when given a number card (5♣)`, () => {
+  expect(getCardValue("5♣")).toEqual(5);
+});
+
+test(`Should return 6 when given a number card (6♠)`, () => {
+  expect(getCardValue("6♠")).toEqual(6);
+});
+
+test(`Should return 7 when given a number card (7♥)`, () => {
+  expect(getCardValue("7♥")).toEqual(7);
+});
+
+test(`Should return 8 when given a number card (8♦)`, () => {
+  expect(getCardValue("8♦")).toEqual(8);
+});
+
+test(`Should return 9 when given a number card (9♣)`, () => {
+  expect(getCardValue("9♣")).toEqual(9);
+});
+
+test(`Should return 10 when given a number card (10♠)`, () => {
+  expect(getCardValue("10♠")).toEqual(10);
+});
+
+// Case 3: Face Cards (J, Q, K) - Should return 10
+test(`Should return 10 when given a Jack card (J♠)`, () => {
+  expect(getCardValue("J♠")).toEqual(10);
+});
+
+test(`Should return 10 when given a Queen card (Q♥)`, () => {
+  expect(getCardValue("Q♥")).toEqual(10);
+});
+
+test(`Should return 10 when given a King card (K♦)`, () => {
+  expect(getCardValue("K♦")).toEqual(10);
+});
+
+test(`Should return 10 when given a Jack card (J♣)`, () => {
+  expect(getCardValue("J♣")).toEqual(10);
+});
+
+test(`Should return 10 when given a Queen card (Q♠)`, () => {
+  expect(getCardValue("Q♠")).toEqual(10);
+});
+
+test(`Should return 10 when given a King card (K♥)`, () => {
+  expect(getCardValue("K♥")).toEqual(10);
+});
+
+// Case 4: Invalid Cards - Should throw error
+test(`Should throw an error when given an invalid rank`, () => {
+  expect(() => getCardValue("X♠")).toThrow();
+});
+
+test(`Should throw an error when given an invalid suit`, () => {
+  expect(() => getCardValue("A★")).toThrow();
+});
+
+test(`Should throw an error when given an empty string`, () => {
+  expect(() => getCardValue("")).toThrow();
+});
+
+test(`Should throw an error when given only a suit (no rank)`, () => {
+  expect(() => getCardValue("♠")).toThrow();
+});
+
+test(`Should throw an error when given an invalid format`, () => {
+  expect(() => getCardValue("A")).toThrow();
+});