London | 25-ITP-May | Kayanat Suleman | Sprint 3 | Implement & Rewrite Tests

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

@@ -15,7 +15,27 @@
 // execute the code to ensure all tests pass.
 
 function getAngleType(angle) {
-  // TODO: Implement this function
+    if (angle <= 0 || angle >= 360) {
+    return "Invalid angle";
+  }
+
+  if (angle === 90) {
+    return "Right angle";
+  }
+
+  if (angle > 0 && angle < 90) {
+    return "Acute angle";
+  }
+
+  if (angle > 90 && angle < 180) {
+    return "Obtuse angle";
+  }
+
+  if (angle === 180) {
+    return "Straight angle";
+  }
+
+  return "Reflex angle";
 }
 
 // The line below allows us to load the getAngleType function into tests in other files.
@@ -33,5 +53,29 @@ function assertEquals(actualOutput, targetOutput) {
 
 // TODO: Write tests to cover all cases, including boundary and invalid cases.
 // Example: Identify Right Angles
-const right = getAngleType(90);
-assertEquals(right, "Right angle");
+// Acute Angles:
+assertEquals(getAngleType(1), "Acute angle");
+assertEquals(getAngleType(45), "Acute angle");
+assertEquals(getAngleType(89), "Acute angle");
+
+//Right Angles:
+assertEquals(getAngleType(90), "Right angle");
+
+//Obtuse Angles:
+assertEquals(getAngleType(91), "Obtuse angle");
+assertEquals(getAngleType(120), "Obtuse angle");
+assertEquals(getAngleType(179), "Obtuse angle");
+
+//Straight Angles:
+assertEquals(getAngleType(180), "Straight angle");
+
+//Reflex Angles: 
+assertEquals(getAngleType(181), "Reflex angle");
+assertEquals(getAngleType(270), "Reflex angle");
+assertEquals(getAngleType(359), "Reflex angle");
+
+// Invalid Angles
+assertEquals(getAngleType(0), "Invalid angle"); 
+assertEquals(getAngleType(360), "Invalid angle"); 
+assertEquals(getAngleType(-10), "Invalid angle"); 
+assertEquals(getAngleType(720), "Invalid angle"); 

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

@@ -11,7 +11,8 @@
 // execute the code to ensure all tests pass.
 
 function isProperFraction(numerator, denominator) {
-  // TODO: Implement this function
+  if (denominator === 0) return false;
+  return Math.abs(numerator) < Math.abs(denominator);
 }
 
 // The line below allows us to load the isProperFraction function into tests in other files.
@@ -30,4 +31,28 @@ function assertEquals(actualOutput, targetOutput) {
 // What combinations of numerators and denominators should you test?
 
 // Example: 1/2 is a proper fraction
+
+//Proper Fractions
 assertEquals(isProperFraction(1, 2), true);
+assertEquals(isProperFraction(2, 5), true);
+
+//Equal values (Not proper fractions)
+assertEquals(isProperFraction(2, 2), false);
+
+//Improper Fractions
+assertEquals(isProperFraction(5, 3), false);
+
+//Negative Numerator 
+assertEquals(isProperFraction(-1, 3), true);
+
+//Negative Denominator
+assertEquals(isProperFraction(1, -3), true);
+
+//Both Negative Numerator and Denominator
+assertEquals(isProperFraction(-2, -5), true);
+
+//Zero Numerator
+assertEquals(isProperFraction(0, 5), true);
+
+//Zero Denominator
+assertEquals(isProperFraction(1, 0), false);

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

@@ -22,8 +22,29 @@
 // execute the code to ensure all tests pass.
 
 function getCardValue(card) {
-  // TODO: Implement this function
-}
+  if (typeof card !== "string" || card.length < 2){
+    throw new Error("Invalid card");
+  }
+
+  const suits = ["♠", "♥", "♦", "♣"];
+  const suit = card.slice(-1);
+  const rank = card.slice(0,-1);
+
+  if (!suits.includes(suit)) {
+    throw new Error("Invalid card");
+  }
+
+  if (rank === "A") return 11;
+  if (["J", "Q", "K"].includes(rank)) return 10;
+
+  const numericValue = Number(rank);
+
+  if (numericValue >= 2 && numericValue <= 10) {
+    return numericValue;
+  }
+
+  throw new Error("Invalid card");
+  }
 
 // 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.
@@ -41,12 +62,34 @@ function assertEquals(actualOutput, targetOutput) {
 // Examples:
 assertEquals(getCardValue("9♠"), 9);
 
+// Ace
+assertEquals(getCardValue("A♠"), 11);
+
+// Face cards
+assertEquals(getCardValue("J♥"), 10);
+assertEquals(getCardValue("Q♦"), 10);
+assertEquals(getCardValue("K♣"), 10);
+
+// Numeric Cards 
+assertEquals(getCardValue("2♠"), 2);
+assertEquals(getCardValue("10♦"), 10);
+
 // Handling invalid cards
 try {
   getCardValue("invalid");
-
-  // This line will not be reached if an error is thrown as expected
   console.error("Error was not thrown for invalid card");
 } catch (e) {}
 
 // What other invalid card cases can you think of?
+
+// Invalid suit
+try { getCardValue("A?"); console.error("No error thrown"); } catch(e) {}
+
+// Invalid rank
+try { getCardValue("1♠"); console.error("No error thrown"); } catch(e) {}
+
+// Missing suit
+try { getCardValue("A"); console.error("No error thrown"); } catch(e) {}
+
+// Extra characters
+try { getCardValue("AAA♠"); console.error("No error thrown"); } catch(e) {}

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

@@ -13,8 +13,34 @@ test(`should return "Acute angle" when (0 < angle < 90)`, () => {
   expect(getAngleType(89)).toEqual("Acute angle");
 });
 
-// Case 2: Right angle
+// Case 2: Right angles
+test('should return "Right angle" when angle is 90', () => {
+  expect(getAngleType(90)).toEqual("Right angle");
+});
+
 // Case 3: Obtuse angles
+test('should return "Obtuse angle" when (90 < angle < 180)', () => {
+  expect(getAngleType(91)).toEqual("Obtuse angle");
+  expect(getAngleType(120)).toEqual("Obtuse angle");
+  expect(getAngleType(179)).toEqual("Obtuse angle");
+})
+
 // Case 4: Straight angle
+test('should return "Straight angle" when angle is 180', () => {
+  expect(getAngleType(180)).toEqual("Straight angle");
+})
+
 // Case 5: Reflex angles
+test('should return "Reflex angle" when (180 < angle < 360)', () => {
+  expect(getAngleType(181)).toEqual("Reflex angle");
+  expect(getAngleType(270)).toEqual("Reflex angle");
+  expect(getAngleType(359)).toEqual("Reflex angle");
+})
+
 // Case 6: Invalid angles
+test('should return "Invalid angle" when angle is outside valid range', () => {
+  expect(getAngleType(0)).toEqual("Invalid angle");
+  expect(getAngleType(360)).toEqual("Invalid angle");
+  expect(getAngleType(-10)).toEqual("Invalid angle");
+  expect(getAngleType(720)).toEqual("Invalid angle");
+})

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

@@ -4,7 +4,43 @@ const isProperFraction = require("../implement/2-is-proper-fraction");
 
 // TODO: Write tests in Jest syntax to cover all combinations of positives, negatives, zeros, and other categories.
 
-// Special case: numerator is zero
+// Case 1: Special case: denominator is zero
 test(`should return false when denominator is zero`, () => {
   expect(isProperFraction(1, 0)).toEqual(false);
 });
+
+// Case 2: Numerator is zero
+test(`should return true when numerator is zero and denominator is non-zero`, () => {
+  expect(isProperFraction(0, 1)).toEqual(true);
+}); 
+
+// Case 3: Proper fractions 
+test("should return true for proper fractions", () => {
+  expect(isProperFraction(1,2)).toEqual(true);
+  expect(isProperFraction(2,5)).toEqual(true);
+})
+
+// Case 4: Equal Numerator and Denominator  
+test("should return false when numerator equals denominator", () => {
+  expect(isProperFraction(2,2)).toEqual(false);
+})
+
+// Case 5: Improper fractions
+test("should return false for improper fractions", () => {
+  expect(isProperFraction(5,3)).toEqual(false);
+})
+
+// Case 6: Negative numerator
+test("should return true when numerator is negative but absolute value is smaller", () => {
+  expect(isProperFraction(-1, 3)).toEqual(true);
+})
+
+// Case 7: Negative denominator
+test("should return true when denominator is negative but absolute value is larger", () => {
+  expect(isProperFraction(1, -3)).toEqual(true);
+})
+
+// Case 8: Both Negative
+test("should return true when both numerator and denominator are negative and proper", () => {
+  expect(isProperFraction(-2, -5)).toEqual(true);
+})

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

@@ -9,6 +9,36 @@ test(`Should return 11 when given an ace card`, () => {
   expect(getCardValue("A♠")).toEqual(11);
 });
 
+// Case 2: Number Cards
+test("should return correct numeric value for number cards", () => {
+  expect(getCardValue("2♠")).toEqual(2);
+  expect(getCardValue("7♦")).toEqual(7);
+  expect(getCardValue("10♣")).toEqual(10);
+})
+
+// Case 3: Face Cards
+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 error for invalid suit", () => {
+  expect(() => getCardValue("A?")).toThrow();
+})
+
+test("should throw error for invalid rank", () => {
+  expect(() => getCardValue("1♠")).toThrow();
+});
+
+test("should throw error for missing suit", () => {
+  expect(() => getCardValue("A")).toThrow();
+});
+
+test("should throw error for completely invalid string", () => {
+  expect(() => getCardValue("invalid")).toThrow();
+});
 // Suggestion: Group the remaining test data into these categories:
 //   Number Cards (2-10)
 //   Face Cards (J, Q, K)