Brussels | ITP-2026-1 | James Ishimwe | Sprint 3 | Coursework/sprint 3

Sprint-2/3-mandatory-implement/3-to-pounds.js

@@ -4,3 +4,24 @@
 // You will need to declare a function called toPounds with an appropriately named parameter.
 
 // You should call this function a number of times to check it works for different inputs
+function toPounds(penceString) {
+  const penceStringWithoutTrailingP = penceString.substring(
+    0,
+    penceString.length - 1
+  );
+
+  const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
+  const pounds = paddedPenceNumberString.substring(
+    0,
+    paddedPenceNumberString.length - 2
+  );
+
+  const pence = paddedPenceNumberString
+    .substring(paddedPenceNumberString.length - 2)
+    .padEnd(2, "0");
+  return `£${pounds}.${pence}`;
+}
+
+console.log(toPounds("399p"));
+console.log(toPounds("99p"));
+console.log(toPounds("5p"));

Sprint-2/4-mandatory-interpret/time-format.js

@@ -17,18 +17,18 @@ function formatTimeDisplay(seconds) {
 // Questions
 
 // a) When formatTimeDisplay is called how many times will pad be called?
-// =============> write your answer here
+// =============> It will be called 3 times, once for the hours, minutes and seconds.
 
 // Call formatTimeDisplay with an input of 61, now answer the following:
 
 // b) What is the value assigned to num when pad is called for the first time?
-// =============> write your answer here
+// num is assigned the value of totalHours, which is 0 because 61 seconds is less than 1 hour.
 
 // c) What is the return value of pad is called for the first time?
-// =============> write your answer here
+// The return value is "00" because pad converts the number 0 to a string and pads it to ensure it has at least 2 characters, resulting in "00".
 
 // d) What is the value assigned to num when pad is called for the last time in this program?  Explain your answer
-// =============> write your answer here
+// num is assigned the value of remainingSeconds, which is 1 because 61 seconds has 1 second remaining after accounting for the full minute (60 seconds).
 
 // e) What is the return value assigned to num when pad is called for the last time in this program?  Explain your answer
-// =============> write your answer here
+// The return value is "01" because pad converts the number 1 to a string and pads it to ensure it has at least 2 characters, resulting in "01".

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

@@ -10,9 +10,13 @@
 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.
+  } else if (angle < 90) return "Acute angle";
+  else if (angle > 90 && angle < 180) return "Obtuse angle";
+  else if (angle === 180) return "Straight angle";
+  else if (angle > 180 && angle < 360) return "Reflex angle";
+  else if (angle === 360) return "Full 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.
 }
 
 // The line below allows us to load the getAngleType function into tests in other files.
@@ -51,13 +55,19 @@ assertEquals(acute, "Acute angle");
 // Then the function should return "Obtuse angle"
 const obtuse = getAngleType(120);
 // ====> write your test here, and then add a line to pass the test in the function above
-
+assertEquals(obtuse, "Obtuse angle");
 // Case 4: Identify Straight Angles:
 // When the angle is exactly 180 degrees,
 // Then the function should return "Straight angle"
 // ====> write your test here, and then add a line to pass the test in the function above
-
+const straight = getAngleType(180);
+assertEquals(straight, "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"
-// ====> write your test here, and then add a line to pass the test in the function above
+// ====> write your test here, and then add a line to pass the test in the function above
+const reflex = getAngleType(210);
+assertEquals(reflex, "Reflex angle");
+
+const full = getAngleType(360);
+assertEquals(full, "Full angle");

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

@@ -9,8 +9,13 @@
 
 function isProperFraction(numerator, denominator) {
   if (numerator < denominator) {
-    return true;
-  }
+    if (numerator === 0) return false;
+    else if (Math.abs(numerator) > Math.abs(denominator)) return false;
+    else if (Math.abs(numerator) < Math.abs(denominator)) return true;
+  } else if (numerator > denominator) {
+    if (Math.abs(numerator) > Math.abs(denominator)) return false;
+    else if (Math.abs(numerator) < Math.abs(denominator)) return true;
+  } else if (numerator === denominator) return false;
 }
 
 // The line below allows us to load the isProperFraction function into tests in other files.
@@ -47,13 +52,16 @@ assertEquals(improperFraction, false);
 // 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);
 // ====> complete with your assertion
-
+assertEquals(negativeFraction, true);
 // 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);
 // ====> complete with your assertion
-
+assertEquals(equalFraction, false);
 // Stretch:
 // What other scenarios could you test for?
+//Testing for 0 numerator
+const zeroNumerator = isProperFraction(0, 2);
+assertEquals(zeroNumerator, false);

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

@@ -8,9 +8,15 @@
 // 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) {
+  let rank = card.slice(0, 1);
+  if (card.slice(0, 2) === "10") rank = card.slice(0, 2);
+  const numberCards = ["1", "2", "3", "4", "5", "6", "7", "8", "9"];
+  const otherCards = ["10", "K", "J", "Q"];
   if (rank === "A") {
     return 11;
-  }
+  } else if (numberCards.includes(rank)) return Number(rank);
+  else if (otherCards.includes(rank)) return 10;
+  else return "Invalid Card";
 }
 
 // The line below allows us to load the getCardValue function into tests in other files.
@@ -40,12 +46,21 @@ assertEquals(aceofSpades, 11);
 // Then it should return the numeric value corresponding to the rank (e.g., "5" should return 5).
 const fiveofHearts = getCardValue("5♥");
 // ====> write your test here, and then add a line to pass the test in the function above
-
+assertEquals(fiveofHearts, 5);
 // 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 faceCards = [
+  getCardValue("K♥"),
+  getCardValue("J♥"),
+  getCardValue("Q♥"),
+  getCardValue("10♥"),
+];
+assertEquals(faceCards[0], 10);
+assertEquals(faceCards[1], 10);
+assertEquals(faceCards[2], 10);
+assertEquals(faceCards[3], 10);
 // Handle Ace (A):
 // Given a card with a rank of "A",
 // When the function is called with an Ace,
@@ -55,3 +70,5 @@ const fiveofHearts = getCardValue("5♥");
 // 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("B♠");
+assertEquals(invalidCard, "Invalid Card");

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

@@ -12,15 +12,24 @@ 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", () => {
+  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", () => {
+  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", () => {
+  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", () => {
+  expect(getAngleType(210)).toEqual("Reflex angle");
+});

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

@@ -7,7 +7,17 @@ test("should return true for a proper fraction", () => {
 });
 
 // Case 2: Identify Improper Fractions:
-
+test("should return false for a proper fraction", () => {
+  expect(isProperFraction(3, 2)).toEqual(false);
+});
 // Case 3: Identify Negative Fractions:
-
+test("should return true for a proper fraction", () => {
+  expect(isProperFraction(-2, 3)).toEqual(true);
+});
+test("should return false for a proper fraction", () => {
+  expect(isProperFraction(-3, 2)).toEqual(false);
+});
 // Case 4: Identify Equal Numerator and Denominator:
+test("should return false for a proper fraction", () => {
+  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 +8,28 @@ test("should return 11 for Ace of Spades", () => {
 });
 
 // Case 2: Handle Number Cards (2-10):
+
+test("should return number 2 for 2 of Spades", () => {
+  const twoOfSpades = getCardValue("2♠");
+  expect(twoOfSpades).toEqual(2);
+});
+test("should return number 8 for 8 of Spades", () => {
+  const eightOfSpades = getCardValue("8♠");
+  expect(eightOfSpades).toEqual(8);
+});
 // Case 3: Handle Face Cards (J, Q, K):
+
+test("should return 10 for Face cards", () => {
+  const JackOfSpades = getCardValue("J♠");
+  expect(JackOfSpades).toEqual(10);
+});
+test("should return 10 for Face cards", () => {
+  const QueenOfSpades = getCardValue("Q♠");
+  expect(QueenOfSpades).toEqual(10);
+});
 // Case 4: Handle Ace (A):
 // Case 5: Handle Invalid Cards:
+test("should return Invalid Card for Invalid Cards/Other inputs", () => {
+  const InvalidCard = getCardValue("X");
+  expect(InvalidCard).toEqual("Invalid Card");
+});

Sprint-3/2-practice-tdd/count.js

@@ -1,5 +1,6 @@
 function countChar(stringOfCharacters, findCharacter) {
-  return 5
+  return stringOfCharacters.split("").filter((char) => char === findCharacter)
+    .length;
 }
 
 module.exports = countChar;

Sprint-3/2-practice-tdd/count.test.js

@@ -18,6 +18,13 @@ test("should count multiple occurrences of a character", () => {
 });
 
 // Scenario: No Occurrences
+test("should count multiple occurrences of a character", () => {
+  const str = "aaaaa";
+  const char = "x";
+  const count = countChar(str, char);
+  expect(count).toEqual(0);
+});
+
 // Given the input string str,
 // And a character char that does not exist within the case-sensitive str,
 // When the function is called with these inputs,

Sprint-3/2-practice-tdd/get-ordinal-number.js

@@ -1,5 +1,12 @@
 function getOrdinalNumber(num) {
-  return "1st";
+  if (num === 11) return "11th";
+  else if (num === 12) return "12th";
+  else if (num === 13) return "13th";
+  numLast = num.toString().slice(-1);
+  if (numLast === "1") return `${num}st`;
+  else if (numLast === "2") return `${num}nd`;
+  else if (numLast === "3") return `${num}rd`;
+  else return `${num}th`;
 }
 
 module.exports = getOrdinalNumber;

Sprint-3/2-practice-tdd/get-ordinal-number.test.js

@@ -11,3 +11,27 @@ const getOrdinalNumber = require("./get-ordinal-number");
 test("should return '1st' for 1", () => {
   expect(getOrdinalNumber(1)).toEqual("1st");
 });
+
+// Case 2: Identify the ordinal number for 2
+// When the number is 2,
+// Then the function should return "2nd"
+
+test("should return '2nd' for 2", () => {
+  expect(getOrdinalNumber(2)).toEqual("2nd");
+});
+
+// Case 3: Identify the ordinal number for 3
+// When the number is 3,
+// Then the function should return "3rd"
+
+test("should return '3rd' for 3", () => {
+  expect(getOrdinalNumber(3)).toEqual("3rd");
+});
+
+// Case 4: Identify the ordinal number for Other numbers ending in 4-9
+// When the number is 30,
+// Then the function should return "30th"
+
+test("should return '30th' for 30", () => {
+  expect(getOrdinalNumber(30)).toEqual("30th");
+});

Sprint-3/2-practice-tdd/repeat.js

@@ -1,5 +1,9 @@
-function repeat() {
-  return "hellohellohello";
+function repeat(str, count) {
+  if (count < 0) return "Invalid times";
+  return Array(count)
+    .fill(0)
+    .map(() => str)
+    .join("");
 }
 
 module.exports = repeat;

Sprint-3/2-practice-tdd/repeat.test.js

@@ -20,13 +20,29 @@ test("should repeat the string count times", () => {
 // Given a target string str and a count equal to 1,
 // When the repeat function is called with these inputs,
 // Then it should return the original str without repetition, ensuring that a count of 1 results in no repetition.
-
+test("should repeat the string count times", () => {
+  const str = "hello";
+  const count = 1;
+  const repeatedStr = repeat(str, count);
+  expect(repeatedStr).toEqual("hello");
+});
 // case: Handle Count of 0:
 // Given a target string str and a count equal to 0,
 // When the repeat function is called with these inputs,
 // Then it should return an empty string, ensuring that a count of 0 results in an empty output.
-
+test("should repeat the string count times", () => {
+  const str = "hello";
+  const count = 0;
+  const repeatedStr = repeat(str, count);
+  expect(repeatedStr).toEqual("");
+});
 // case: Negative Count:
 // Given a target string str and a negative integer count,
 // When the repeat function is called with these inputs,
 // Then it should throw an error or return an appropriate error message, as negative counts are not valid.
+test("should repeat the string count times", () => {
+  const str = "hello";
+  const count = -3;
+  const repeatedStr = repeat(str, count);
+  expect(repeatedStr).toEqual("Invalid times");
+});