get value - jest

Author: abmhts

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

@@ -9,10 +9,37 @@ 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 its numeric value When the card is a number card ("2" to "10")`, () => {
+  expect(getCardValue("2♠")).toEqual(2);
+  expect(getCardValue("3♣")).toEqual(3);
+  expect(getCardValue("4♦")).toEqual(4);
+  expect(getCardValue("5♠")).toEqual(5);
+  expect(getCardValue("6♣")).toEqual(6);
+  expect(getCardValue("7♦")).toEqual(7);
+  expect(getCardValue("8♠")).toEqual(8);
+  expect(getCardValue("9♣")).toEqual(9);
+});
+
 //   Face Cards (J, Q, K)
+
+test("When the card is a face card (J, Q, K), the function should return 10", () => {
+  expect(getCardValue("J♠")).toEqual(10);
+  expect(getCardValue("Q♥")).toEqual(10);
+  expect(getCardValue("K♦")).toEqual(10);
+});
+
 //   Invalid Cards
 
+test("Invalid card cases", () => {
+  expect(() => getCardValue("1♠")).toThrow();
+  expect(() => getCardValue("11♠")).toThrow();
+  expect(() => getCardValue("X♠")).toThrow();
+  expect(() => getCardValue("A")).toThrow();
+  expect(() => getCardValue("2")).toThrow();
+  expect(() => getCardValue("2X")).toThrow();
+  expect(() => getCardValue("")).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
-