rewrite tests with jest

Author: risikatpopoola

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

@@ -35,4 +35,8 @@ assertEquals(isProperFraction(1, 2), true);
 assertEquals(isProperFraction(93, 112), true);
 assertEquals(isProperFraction(2, 1), false);
 assertEquals(isProperFraction(80, 80), false);
+assertEquals(isProperFraction(-10, -15), true);
+assertEquals(isProperFraction(-35, 25), false);
+assertEquals(isProperFraction(1, 0), false);
+assertEquals(isProperFraction(0, 1), true);
 console.log("Execution finished! If any test failed, console.assert errors will appear above.");

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

@@ -8,3 +8,21 @@ const isProperFraction = require("../implement/2-is-proper-fraction");
 test(`should return false when denominator is zero`, () => {
   expect(isProperFraction(1, 0)).toEqual(false);
 });
+// proper fractions
+test(`should return true when denominator is higher than numerator`, () => {
+  expect(isProperFraction(0, 1)).toEqual(true);
+  expect(isProperFraction(2, 7)).toEqual(true);
+  expect(isProperFraction(89, 101)).toEqual(true);
+});
+// Special case: numerator or denominator is negative, we consider the absolute values for fractions so ignore the negative signs
+test(`should return true when negative/positive numerator is less than the positive/negative denominator`, () => {
+  expect(isProperFraction(-20, -30)).toEqual(true);
+  expect(isProperFraction(-1, 2)).toEqual(true);
+  expect(isProperFraction(58, -68)).toEqual(true);
+});
+// Special case: numerator or denominator is negative, we consider the absolute values for fractions so ignore the negative signs
+test(`should return false when negative/positive numerator is greater than the positive/negative denominator`, () => {
+  expect(isProperFraction(-50, 10)).toEqual(false);
+  expect(isProperFraction(100, -2)).toEqual(false);
+  expect(isProperFraction(-1, -0)).toEqual(false);
+});

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

@@ -3,12 +3,29 @@
 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`, () => {
   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);
+  expect(getCardValue("K♣")).toEqual(10);
+  expect(getCardValue("J♦")).toEqual(10);
+});
+//case 3: Number Cards (2-10)
+test(`Should return the number when given a number card`, () => {
+  expect(getCardValue("4♠")).toEqual(4);
+  expect(getCardValue("9♣")).toEqual(9);
+  expect(getCardValue("2♦")).toEqual(2);
+});
+//Case 4: Invalid cards
+test(`Should return the invalid suit or invalid rank when given an invalid card`, () => {
+  expect(getCardValue("4🎉")).toEqual("Invalid suit");
+  expect(getCardValue("20♣")).toEqual("Invalid rank");
+  expect(getCardValue("Apple")).toEqual("Invalid card");
+});
 // Suggestion: Group the remaining test data into these categories:
 //   Number Cards (2-10)
 //   Face Cards (J, Q, K)