Glasgow | 25-ITP-Sep | Fares Bakhet | Sprint 3 | coursework/sprint-3-implement-and-rewrite

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

@@ -11,8 +11,21 @@ function getAngleType(angle) {
   if (angle === 90) {
     return "Right angle";
   }
-   // Run the tests, work out what Case 2 is testing, and implement the required code here.
-   // Then keep going for the other cases, one at a time.
+  // Run the tests, work out what Case 2 is testing, and implement the required code here.
+  // Then keep going for the other cases, one at a time.
+  if (angle < 90 && angle > 0) {
+    return "Acute angle";
+  }
+  if (angle < 180) {
+    return "Obtuse angle";
+  }
+  if (angle === 180) {
+    return "Straight angle";
+  }
+  if (angle > 180 && angle < 360) {
+    return "Reflex angle";
+  }
+  return "Invalid angle";
 }
 
 // The line below allows us to load the getAngleType function into tests in other files.
@@ -50,14 +63,36 @@ assertEquals(acute, "Acute angle");
 // When the angle is greater than 90 degrees and less than 180 degrees,
 // Then the function should return "Obtuse angle"
 const obtuse = getAngleType(120);
+assertEquals(obtuse, "Obtuse angle");
 // ====> write your test here, and then add a line to pass the test in the function above
 
 // Case 4: Identify Straight Angles:
 // When the angle is exactly 180 degrees,
 // Then the function should return "Straight angle"
+const straight = getAngleType(180);
+assertEquals(straight, "Straight angle");
 // ====> write your test here, and then add a line to pass the test in the function above
 
 // Case 5: Identify Reflex Angles:
 // When the angle is greater than 180 degrees and less than 360 degrees,
 // Then the function should return "Reflex angle"
-// ====> write your test here, and then add a line to pass the test in the function above
+const reflex = getAngleType(250);
+assertEquals(reflex, "Reflex angle");
+// ====> write your test here, and then add a line to pass the test in the function above
+
+let angle = 90;
+console.log(angle + " degrees is a " + getAngleType(angle));
+angle = 45;
+console.log(angle + " degrees is a " + getAngleType(angle));
+angle = 120;
+console.log(angle + " degrees is a " + getAngleType(angle));
+angle = 250;
+console.log(angle + " degrees is a " + getAngleType(angle));
+angle = 180;
+console.log(angle + " degrees is a " + getAngleType(angle));
+angle = 360;
+console.log(angle + " degrees is a " + getAngleType(angle));
+angle = -10;
+console.log(angle + " degrees is a " + getAngleType(angle));
+angle = 0;
+console.log(angle + " degrees is a " + getAngleType(angle));

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

@@ -8,9 +8,10 @@
 // write one test at a time, and make it pass, build your solution up methodically
 
 function isProperFraction(numerator, denominator) {
-  if (numerator < denominator) {
-    return true;
+  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.
@@ -46,14 +47,122 @@ assertEquals(improperFraction, false);
 // target output: true
 // Explanation: The fraction -4/7 is a proper fraction because the absolute value of the numerator (4) is less than the denominator (7). The function should return true.
 const negativeFraction = isProperFraction(-4, 7);
+assertEquals(negativeFraction, true);
 // ====> complete with your assertion
 
 // Equal Numerator and Denominator check:
 // Input: numerator = 3, denominator = 3
 // target output: false
 // Explanation: The fraction 3/3 is not a proper fraction because the numerator is equal to the denominator. The function should return false.
 const equalFraction = isProperFraction(3, 3);
+assertEquals(equalFraction, false);
 // ====> complete with your assertion
 
 // Stretch:
 // What other scenarios could you test for?
+
+// Zero Numerator check:
+const zeroNumerator = isProperFraction(0, 5);
+assertEquals(zeroNumerator, true);
+
+// Negative Denominator check:
+const negativeDenominator = isProperFraction(2, -3);
+assertEquals(negativeDenominator, true);
+
+// Both Negative check:
+const bothNegative = isProperFraction(-2, -5);
+assertEquals(bothNegative, true);
+
+// Large Numbers check:
+const largeNumbers = isProperFraction(1000000, 1000001);
+assertEquals(largeNumbers, true);
+
+let numerator = 2;
+let denominator = 2;
+console.log(
+  numerator +
+    "/" +
+    denominator +
+    " proper fraction output is " +
+    isProperFraction(numerator, denominator)
+);
+
+numerator = -3;
+denominator = 4;
+console.log(
+  numerator +
+    "/" +
+    denominator +
+    " proper fraction output is " +
+    isProperFraction(numerator, denominator)
+);
+
+numerator = 5;
+denominator = -6;
+console.log(
+  numerator +
+    "/" +
+    denominator +
+    " proper fraction output is " +
+    isProperFraction(numerator, denominator)
+);
+
+numerator = -7;
+denominator = -8;
+console.log(
+  numerator +
+    "/" +
+    denominator +
+    " proper fraction output is " +
+    isProperFraction(numerator, denominator)
+);
+
+numerator = 0;
+denominator = 1;
+console.log(
+  numerator +
+    "/" +
+    denominator +
+    " proper fraction output is " +
+    isProperFraction(numerator, denominator)
+);
+
+numerator = 10;
+denominator = 20;
+console.log(
+  numerator +
+    "/" +
+    denominator +
+    " proper fraction output is " +
+    isProperFraction(numerator, denominator)
+);
+
+numerator = 15;
+denominator = 10;
+console.log(
+  numerator +
+    "/" +
+    denominator +
+    " proper fraction output is " +
+    isProperFraction(numerator, denominator)
+);
+
+numerator = -25;
+denominator = 30;
+console.log(
+  numerator +
+    "/" +
+    denominator +
+    " proper fraction output is " +
+    isProperFraction(numerator, denominator)
+);
+
+numerator = 478356;
+denominator = 478357;
+console.log(
+  numerator +
+    "/" +
+    denominator +
+    " proper fraction output is " +
+    isProperFraction(numerator, denominator)
+);

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

@@ -8,9 +8,17 @@
 // write one test at a time, and make it pass, build your solution up methodically
 // just make one change at a time -- don't rush -- programmers are deep and careful thinkers
 function getCardValue(card) {
+  const rank = card.slice(0, -1);
+  if (["2", "3", "4", "5", "6", "7", "8", "9"].includes(rank)) {
+    return parseInt(rank, 10);
+  }
   if (rank === "A") {
     return 11;
   }
+  if (["K", "Q", "J", "10"].includes(rank)) {
+    return 10;
+  }
+  return "Invalid card rank";
 }
 
 // The line below allows us to load the getCardValue function into tests in other files.
@@ -39,19 +47,42 @@ assertEquals(aceofSpades, 11);
 // When the function is called with such a card,
 // Then it should return the numeric value corresponding to the rank (e.g., "5" should return 5).
 const fiveofHearts = getCardValue("5♥");
+assertEquals(fiveofHearts, 5);
 // ====> write your test here, and then add a line to pass the test in the function above
 
 // Handle Face Cards (J, Q, K):
 // Given a card with a rank of "10," "J," "Q," or "K",
 // When the function is called with such a card,
 // Then it should return the value 10, as these cards are worth 10 points each in blackjack.
 
+const kingofDiamonds = getCardValue("K");
+assertEquals(kingofDiamonds, 10);
+const queenofClubs = getCardValue("Q");
+assertEquals(queenofClubs, 10);
+const jackofHearts = getCardValue("J");
+assertEquals(jackofHearts, 10);
+const tenofSpades = getCardValue("10");
+assertEquals(tenofSpades, 10);
 // Handle Ace (A):
 // Given a card with a rank of "A",
 // When the function is called with an Ace,
 // Then it should, by default, assume the Ace is worth 11 points, which is a common rule in blackjack.
 
+const aceofClubs = getCardValue("A♣");
+assertEquals(aceofClubs, 11);
+
 // Handle Invalid Cards:
 // Given a card with an invalid rank (neither a number nor a recognized face card),
 // When the function is called with such a card,
 // Then it should throw an error indicating "Invalid card rank."
+const invalidCard = getCardValue("1♠");
+assertEquals(invalidCard, "Invalid card rank");
+const anotherInvalidCard = getCardValue("B♦");
+assertEquals(anotherInvalidCard, "Invalid card rank");
+
+console.log(getCardValue("3♠"));
+console.log(getCardValue("10♣"));
+console.log(getCardValue("J♦"));
+console.log(getCardValue("A♥"));
+console.log(getCardValue("11♠"));
+console.log(getCardValue("J"));

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

@@ -12,15 +12,27 @@ test("should identify right angle (90°)", () => {
 // Case 2: Identify Acute Angles:
 // When the angle is less than 90 degrees,
 // Then the function should return "Acute angle"
+test("should identify acute angle (<90°)", () => {
+  expect(getAngleType(45)).toEqual("Acute angle");
+});
 
 // Case 3: Identify Obtuse Angles:
 // When the angle is greater than 90 degrees and less than 180 degrees,
 // Then the function should return "Obtuse angle"
+test("should identify obtuse angle (90°<angle<180°)", () => {
+  expect(getAngleType(120)).toEqual("Obtuse angle");
+});
 
 // Case 4: Identify Straight Angles:
 // When the angle is exactly 180 degrees,
 // Then the function should return "Straight angle"
+test("should identify straight angle (180°)", () => {
+  expect(getAngleType(180)).toEqual("Straight angle");
+});
 
 // Case 5: Identify Reflex Angles:
 // When the angle is greater than 180 degrees and less than 360 degrees,
 // Then the function should return "Reflex angle"
+test("should identify reflex angle (180°<angle<360°)", () => {
+  expect(getAngleType(270)).toEqual("Reflex angle");
+});

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

@@ -1,13 +1,22 @@
 // This statement loads the isProperFraction function you wrote in the implement directory.
 // We will use the same function, but write tests for it using Jest in this file.
-const isProperFraction = require("../implement/2-is-proper-fraction");
+const isProperFraction = require("../implement/2-is-proper-fraction"); // The path
 
 test("should return true for a proper fraction", () => {
   expect(isProperFraction(2, 3)).toEqual(true);
 });
 
 // Case 2: Identify Improper Fractions:
+test("should return false for an improper fraction", () => {
+  expect(isProperFraction(5, 4)).toEqual(false);
+});
 
 // Case 3: Identify Negative Fractions:
+test("should return true for a negative fraction", () => {
+  expect(isProperFraction(-1, 2)).toEqual(true);
+});
 
 // Case 4: Identify Equal Numerator and Denominator:
+test("should return false for equal numerator and denominator", () => {
+  expect(isProperFraction(3, 3)).toEqual(false);
+});

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

@@ -8,6 +8,25 @@ test("should return 11 for Ace of Spades", () => {
 });
 
 // Case 2: Handle Number Cards (2-10):
+test("should return correct value for numbered cards (2-10)", () => {
+  expect(getCardValue("5♥")).toBe(5);
+  expect(getCardValue("10♦")).toBe(10);
+});
 // Case 3: Handle Face Cards (J, Q, K):
+test("should return 'Invalid card rank' for invalid cards", () => {
+  ["1♣", "B♦", "Z♠"].forEach((card) => {
+    expect(getCardValue(card)).toBe("Invalid card rank");
+  });
+});
 // Case 4: Handle Ace (A):
+test("should return 11 for Ace (A)", () => {
+  ["A♠", "A♥"].forEach((card) => {
+    expect(getCardValue(card)).toBe(11);
+  });
+});
 // Case 5: Handle Invalid Cards:
+test("should return 'Invalid card rank' for invalid cards", () => {
+  ["1♣", "B♦", "Z♠"].forEach((card) => {
+    expect(getCardValue(card)).toBe("Invalid card rank");
+  });
+});