Aded jest test for getCardValue function

Author: Seti-Jemal

Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/2-is-proper-fraction.test.js

@@ -16,7 +16,7 @@ test(`should return true when numerator is zero`, () => {
 
 // Special case: positive numerator and denominator
 test(`should return true when numerator is less than denominator`, () => {
-  expect(isProperFraction(7, 9)).toEqual(true);
+  expect(isProperFraction(5, 9)).toEqual(true);
 });
 
 // Special case; negative numerator and positive denominatore
@@ -26,15 +26,15 @@ test(` should return true when numertaor is negative and less than demoniator`,
 
 // special case: postive numerator and negative deminator
 test(`should return true when numerator is positive and less than denominator`, () => {
-  expect(isProperFraction(5, -7)).toEqual(true);
+  expect(isProperFraction(5, -9)).toEqual(true);
 });
 
 // Special case: negative numerator and negative denominator
 test(`should return true when both are negative`, () => {
-  expect(isProperFraction(-5, -7)).toEqual(true);
+  expect(isProperFraction(-5, -9)).toEqual(true);
 });
 
 // Special case: Equal values
 test(`should return false when numerator and denominator are equal`, () => {
-  expect(isProperFraction(5, 5)).toEqual(false);
+  expect(isProperFraction(4, 4)).toEqual(false);
 });

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

@@ -5,16 +5,36 @@ 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`, () => {
+test(`should return 11 when given an ace card`, () => {
   expect(getCardValue("A♠")).toEqual(11);
 });
 
 // Suggestion: Group the remaining test data into these categories:
 //   Number Cards (2-10)
+test(`should return the correct value for number cards`, () => {
+  expect(getCardValue("2♠")).toEqual(2);
+  expect(getCardValue("10♣")).toEqual(10);
+  expect(getCardValue("6♥")).toEqual(6);
+  expect(getCardValue("9♦")).toEqual(9);
+  expect(getCardValue("3♠")).toEqual(3);
+});
 //   Face Cards (J, Q, K)
+test(`should return the correct value for face cards`, () => {
+  expect(getCardValue("J♠")).toEqual(10);
+  expect(getCardValue("Q♠")).toEqual(10);
+  expect(getCardValue("K♠")).toEqual(10);
+});
 //   Invalid Cards
+test("should throw error for invalid cards", () => {
+  expect(() => getCardValue("1♠")).toThrow();
+  expect(() => getCardValue("11♠")).toThrow();
+  expect(() => getCardValue("Z♠")).toThrow();
+  expect(() => getCardValue("A")).toThrow();
+  expect(() => getCardValue("♠")).toThrow();
+  expect(() => getCardValue("")).toThrow();
+  expect(() => getCardValue(null)).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
-