implement and rewrite test exercises

Author: Abduhasen

Sprint-3/1-implement-and-rewrite-tests/implement/1-get-angle-type.js

@@ -16,6 +16,12 @@
 
 function getAngleType(angle) {
   // TODO: Implement this function
+  if (angle > 0 && angle < 90) return "Acute angle";
+  else if (angle === 90) return "Right angle";
+  else if (90 < angle && angle < 180) return "Obtuse angle";
+  else if (angle === 180) return "Straight angle";
+  else if (180 < angle && angle < 360) return "Reflex angle";
+  else return "Invalid angle";
 }
 
 // The line below allows us to load the getAngleType function into tests in other files.
@@ -35,3 +41,31 @@ function assertEquals(actualOutput, targetOutput) {
 // Example: Identify Right Angles
 const right = getAngleType(90);
 assertEquals(right, "Right angle");
+let acute = getAngleType(1);
+assertEquals(acute, "Acute angle");
+acute = getAngleType(45);
+assertEquals(acute, "Acute angle");
+acute = getAngleType(89);
+assertEquals(acute, "Acute angle");
+let obtuse = getAngleType(91);
+assertEquals(obtuse, "Obtuse angle");
+obtuse = getAngleType(100);
+assertEquals(obtuse, "Obtuse angle");
+obtuse = getAngleType(179);
+assertEquals(obtuse, "Obtuse angle");
+const straight = getAngleType(180);
+assertEquals(straight, "Straight angle");
+let reflex = getAngleType(200);
+assertEquals(reflex, "Reflex angle");
+reflex = getAngleType(243);
+assertEquals(reflex, "Reflex angle");
+reflex = getAngleType(359);
+assertEquals(reflex, "Reflex angle");
+let invalid = getAngleType(-11);
+assertEquals(invalid, "Invalid angle");
+invalid = getAngleType(0);
+assertEquals(invalid, "Invalid angle");
+invalid = getAngleType(360);
+assertEquals(invalid, "Invalid angle");
+invalid = getAngleType(371);
+assertEquals(invalid, "Invalid angle");

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

@@ -12,6 +12,8 @@
 
 function isProperFraction(numerator, denominator) {
   // TODO: Implement this function
+  if (Math.abs(numerator) < Math.abs(denominator)) return true;
+  else return false;
 }
 
 // The line below allows us to load the isProperFraction function into tests in other files.
@@ -31,3 +33,9 @@ function assertEquals(actualOutput, targetOutput) {
 
 // Example: 1/2 is a proper fraction
 assertEquals(isProperFraction(1, 2), true);
+assertEquals(isProperFraction(7, 4), false);
+assertEquals(isProperFraction(-8, 5), false);
+assertEquals(isProperFraction(9, 10), true);
+assertEquals(isProperFraction(-3, -6), true);
+assertEquals(isProperFraction(15, 11), false);
+assertEquals(isProperFraction(-17, -24), true);

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

@@ -23,8 +23,23 @@
 
 function getCardValue(card) {
   // TODO: Implement this function
+  if (typeof card !== "string") {
+    throw new Error("Invalid card");
+  }
+  const validSuits = ["♠", "♥", "♦", "♣"];
+  const suit = card.slice(-1);
+  const rank = card.slice(0, -1);
+  if (!validSuits.includes(suit)) {
+    throw new Error("Invalid card");
+  } else if (rank === "A") return 11;
+  else if (["J", "Q", "K"].includes(rank)) return 10;
+  const number = Number(rank);
+  if (number >= 2 && number <= 10) return number;
+  throw new Error("Invalid card");
 }
 
+module.exports = getCardValue;
+
 // The line below allows us to load the getCardValue function into tests in other files.
 // This will be useful in the "rewrite tests with jest" step.
 module.exports = getCardValue;

Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/1-get-angle-type.test.js

@@ -6,15 +6,41 @@ const getAngleType = require("../implement/1-get-angle-type");
 // including boundary and invalid cases.
 
 // Case 1: Acute angles
-test(`should return "Acute angle" when (0 < angle < 90)`, () => {
+test(`should return "Acute angles" when (0 < angle < 90)`, () => {
   // Test various acute angles, including boundary cases
-  expect(getAngleType(1)).toEqual("Acute angle");
-  expect(getAngleType(45)).toEqual("Acute angle");
-  expect(getAngleType(89)).toEqual("Acute angle");
+  expect(getAngleType(1)).toBe("Acute angle");
+  expect(getAngleType(45)).toBe("Acute angle");
+  expect(getAngleType(89)).toBe("Acute angle");
 });
 
 // Case 2: Right angle
+test(`should return "Right angle" when (angle === 90)`, () => {
+  // Test various acute angles, including boundary cases
+  expect(getAngleType(90)).toBe("Right angle");
+});
 // Case 3: Obtuse angles
+test(`should return "Obtuse angle" when (90 < angle < 180)`, () => {
+  // Test various acute angles, including boundary cases
+  expect(getAngleType(97)).toBe("Obtuse angle");
+  expect(getAngleType(129)).toBe("Obtuse angle");
+  expect(getAngleType(165)).toBe("Obtuse angle");
+});
 // Case 4: Straight angle
+test(`should return "Straight angle" when (angle ==180)`, () => {
+  // Test various acute angles, including boundary cases
+  expect(getAngleType(180)).toBe("Straight angle");
+});
 // Case 5: Reflex angles
+test(`should return "Reflex angles" when (180 < angle < 360)`, () => {
+  // Test various acute angles, including boundary cases
+  expect(getAngleType(191)).toBe("Reflex angle");
+  expect(getAngleType(250)).toBe("Reflex angle");
+  expect(getAngleType(317)).toBe("Reflex angle");
+});
 // Case 6: Invalid angles
+test(`should return "Invalid angles" when (angle >= 360 or angle<= 0 )`, () => {
+  // Test various acute angles, including boundary cases
+  expect(getAngleType(0)).toBe("Invalid angle");
+  expect(getAngleType(-45)).toBe("Invalid angle");
+  expect(getAngleType(370)).toBe("Invalid angle");
+});

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

@@ -7,4 +7,15 @@ const isProperFraction = require("../implement/2-is-proper-fraction");
 // Special case: numerator is zero
 test(`should return false when denominator is zero`, () => {
   expect(isProperFraction(1, 0)).toEqual(false);
+  expect(isProperFraction(0, 1)).toEqual(true);
+  expect(isProperFraction(0, -1)).toEqual(true);
+  expect(isProperFraction(18, 1)).toEqual(false);
+  expect(isProperFraction(7, 3)).toEqual(false);
+  expect(isProperFraction(1, -2)).toEqual(true);
+  expect(isProperFraction(-15, -9)).toEqual(false);
+  expect(isProperFraction(-2, -6)).toEqual(true);
+  expect(isProperFraction(-137, -71)).toEqual(false);
+  expect(isProperFraction(-100, -189)).toEqual(true);
+  expect(isProperFraction(27, 5)).toEqual(false);
+  expect(isProperFraction(-29, 17)).toEqual(false);
 });

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

@@ -8,6 +8,28 @@ const getCardValue = require("../implement/3-get-card-value");
 test(`Should return 11 when given an ace card`, () => {
   expect(getCardValue("A♠")).toEqual(11);
 });
+// Case 2: Number Cards (2-10)
+test(`Should return the numeric value for number cards`, () => {
+  expect(getCardValue("2♠")).toEqual(2);
+  expect(getCardValue("5♥")).toEqual(5);
+  expect(getCardValue("9♦")).toEqual(9);
+  expect(getCardValue("10♣")).toEqual(10);
+});
+
+// Case 3: Face Cards (J, Q, K)
+test(`Should return 10 for face cards`, () => {
+  expect(getCardValue("J♠")).toEqual(10);
+  expect(getCardValue("Q♥")).toEqual(10);
+  expect(getCardValue("K♦")).toEqual(10);
+});
+
+// Case 4: Invalid Cards
+test(`Should throw "Invalid card" for invalid cards`, () => {
+  expect(() => getCardValue("1♠")).toThrow("Invalid card");
+  expect(() => getCardValue("B♠")).toThrow("Invalid card");
+  expect(() => getCardValue("A$")).toThrow("Invalid card");
+  expect(() => getCardValue("10X")).toThrow("Invalid card");
+});
 
 // Suggestion: Group the remaining test data into these categories:
 //   Number Cards (2-10)
@@ -17,4 +39,3 @@ test(`Should return 11 when given an ace card`, () => {
 // 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
-

package.json

@@ -9,7 +9,7 @@
   "keywords": [],
   "author": "Code Your Future",
   "license": "ISC",
-  "dependencies": {
-    "jest": "^29.7.0"
+  "devDependencies": {
+    "jest": "^30.2.0"
   }
-}
+}