Add test in Jest syntax

Author: dona-shehu

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

@@ -4,17 +4,58 @@ const getCardValue = require("../implement/3-get-card-value");
 
 // TODO: Write tests in Jest syntax to cover all possible outcomes.
 
-// Case 1: Ace (A)
+// Case 1: Ace (A)  ♣ ♦ ♥ C
 test(`Should return 11 when given an ace card`, () => {
   expect(getCardValue("A♠")).toEqual(11);
+  expect(getCardValue("A♥")).toEqual(11);
+  expect(getCardValue("A♦")).toEqual(11);
+  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
 
+
 // 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
 
+
+// Number cards
+test(`Should return the number when given a number card`, () => {
+  expect(getCardValue("2♠")).toEqual(2);
+  expect(getCardValue("7♥")).toEqual(7);
+  expect(getCardValue("9♦")).toEqual(9);
+  expect(getCardValue("6♣")).toEqual(6);
+});
+
+
+// Face Cards (J, Q, K)
+test(`Should return 10 when  given a face card`, () => {
+  expect(getCardValue("J♠")).toEqual(10);
+  expect(getCardValue("Q♥")).toEqual(10);
+  expect(getCardValue("K♦")).toEqual(10); 
+});
+
+
+// test(`Should throw an error when given an invalid card`, () => {
+//   expect(() => getCardValue("1♠")).toThrow();
+//   expect(() => getCardValue("Z♦")).toThrow();
+//   expect(() => getCardValue("11♥")).toThrow();
+//   expect(() => getCardValue("")).toThrow();
+// });
+
+// Invalid Cards
+test(`Should throw an error when given an invalid card`, () => {
+  expect(() => getCardValue("1♣")).toThrow("Invalid Card");
+  expect(() => getCardValue("Z♦")).toThrow("Invalid Card");
+  expect(() => getCardValue("12♦")).toThrow("Invalid Card");
+  expect(() => getCardValue("♦3")).toThrow("Invalid Card");
+  expect(() => getCardValue("")).toThrow("Invalid Card");
+  expect(() => getCardValue("invalid")).toThrow("Invalid Card");
+  expect(() => getCardValue("----")).toThrow("Invalid Card");
+});