Glasgow | Mansoor Munawar | Structuring and Testing Data | Sprint 3

Sprint-3/1-key-implement/1-get-angle-type.js

@@ -8,8 +8,12 @@
 // Then, write the next test! :) Go through this process until all the cases are implemented
 
 function getAngleType(angle) {
-   if (angle === 90) return "Right angle";
-   // read to the end, complete line 36, then pass your test here
+  if (angle === 90) return "Right angle";
+  else if (angle < 90) return "Acute angle";
+  else if (angle > 90 && angle < 180) return "Obtuse angle";
+  else if (angle > 180 && angle < 360) return "Reflex angle";
+  else if (angle === 180) return "Straight angle";
+  // read to the end, complete line 36, then pass your test here
 }
 
 // we're going to use this helper function to make our assertions easier to read
@@ -44,13 +48,16 @@ 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:
+const reflex = getAngleType(181);
+assertEquals(reflex, "Reflex angle");
 // 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

Sprint-3/1-key-implement/2-is-proper-fraction.js

@@ -8,7 +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 (Math.abs(numerator) < Math.abs(denominator)) return true;
+  else if (numerator === denominator) return false;
+  else if (numerator > denominator) return false;
+  else return false;
 }
 
 // here's our helper again
@@ -39,15 +42,23 @@ assertEquals(improperFraction, false);
 // Input: numerator = -4, denominator = 7
 // 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);
+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?
+
+// Negative Fraction check:
+// Input: numerator = -4, denominator = -7
+// target output: true
+// Explanation: The fraction -4/-7 is a proper fraction because the absolute value of the numerator (4) is less than the absolute value of denominator (7). The function should return true.
+const negativeDenominator = isProperFraction(-4, -7);
+
+assertEquals(negativeDenominator, true);

Sprint-3/1-key-implement/3-get-card-value.js

@@ -8,7 +8,13 @@
 // 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) {
-    if (rank === "A") return 11;
+  let rank = card.slice(0, -1);
+
+  if (rank === "A") return 11;
+  else if (rank === "K" || rank === "Q" || rank === "J" || rank === "10")
+    return 10;
+  else if (Number(rank) >= 2 && Number(rank) <= 9) return Number(rank);
+  else return "Invalid card rank.";
 }
 
 // You need to write assertions for your function to check it works in different cases
@@ -25,27 +31,33 @@ function assertEquals(actualOutput, targetOutput) {
 // Given a card string in the format "A♠" (representing a card in blackjack - the last character will always be an emoji for a suit, and all characters before will be a number 2-10, or one letter of J, Q, K, A),
 // When the function getCardValue is called with this card string as input,
 // Then it should return the numerical card value
-const aceofSpades = getCardValue("A♠");
-assertEquals(aceofSpades, 11);
+const aceOfSpades = getCardValue("A♠");
+assertEquals(aceOfSpades, 11);
 
 // Handle Number Cards (2-10):
 // Given a card with a rank between "2" and "9",
 // 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♥");
+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 kingOfHearts = getCardValue("K♥");
+assertEquals(kingOfHearts, 10);
+const tenOfHearts = getCardValue("10♥");
+assertEquals(tenOfHearts, 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 aceOfHearts = getCardValue("A♥");
+assertEquals(aceOfSpades, 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("S");
+assertEquals(invalidCard, "Invalid card rank.");

Sprint-3/2-mandatory-rewrite/1-get-angle-type.js

@@ -1,18 +1,14 @@
 function getAngleType(angle) {
   if (angle === 90) return "Right angle";
   // replace with your completed function from key-implement
-
+  else if (angle < 90) return "Acute angle";
+  else if (angle > 90 && angle < 180) return "Obtuse angle";
+  else if (angle > 180 && angle < 360) return "Reflex angle";
+  else if (angle === 180) return "Straight angle";
 }
 
-
-
-
-
-
-
-
 // Don't get bogged down in this detail
 // Jest uses CommonJS module syntax by default as it's quite old
-// We will upgrade our approach to ES6 modules in the next course module, so for now 
+// We will upgrade our approach to ES6 modules in the next course module, so for now
 // we have just written the CommonJS module.exports syntax for you
-module.exports = getAngleType;
+module.exports = getAngleType;

Sprint-3/2-mandatory-rewrite/1-get-angle-type.test.js

@@ -10,15 +10,24 @@ 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 actute angle (55°)", () => {
+  expect(getAngleType(55)).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 (95°)", () => {
+  expect(getAngleType(95)).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 Reflext angle (200°))", () => {
+  expect(getAngleType(200)).toEqual("Reflex angle");
+});

Sprint-3/2-mandatory-rewrite/2-is-proper-fraction.js

@@ -1,6 +1,8 @@
 function isProperFraction(numerator, denominator) {
-    if (numerator < denominator) return true;
-    // add your completed function from key-implement here
+  if (Math.abs(numerator) < Math.abs(denominator)) return true;
+  else if (numerator === denominator) return false;
+  else if (numerator > denominator) return false;
+  else return false;
 }
 
-module.exports = isProperFraction;
+module.exports = isProperFraction;

Sprint-3/2-mandatory-rewrite/2-is-proper-fraction.test.js

@@ -5,7 +5,20 @@ test("should return true for a proper fraction", () => {
 });
 
 // Case 2: Identify Improper Fractions:
-
+test("should return flase for inproper fraction", () => {
+  expect(isProperFraction(256, 40)).toEqual(false);
+});
+test("should return flase for inproper fraction", () => {
+  expect(isProperFraction(8, 4)).toEqual(false);
+});
 // Case 3: Identify Negative Fractions:
-
+test("should return true for negative fraction (-2,4)", () => {
+  expect(isProperFraction(-2, 4)).toEqual(true);
+});
+test("should return false for negative fraction (-10,-4)", () => {
+  expect(isProperFraction(-10, -4)).toEqual(false);
+});
 // Case 4: Identify Equal Numerator and Denominator:
+test("should return flase for inproper fraction", () => {
+  expect(isProperFraction(3, 3)).toEqual(false);
+});

Sprint-3/2-mandatory-rewrite/3-get-card-value.js

@@ -1,5 +1,11 @@
 function getCardValue(card) {
-    // replace with your code from key-implement
-    return 11;
+  // replace with your code from key-implement
+  let rank = card.slice(0, -1);
+
+  if (rank === "A") return 11;
+  else if (rank === "K" || rank === "Q" || rank === "J" || rank === "10")
+    return 10;
+  else if (Number(rank) >= 2 && Number(rank) <= 9) return Number(rank);
+  else return "Invalid card rank.";
 }
-module.exports = getCardValue;
+module.exports = getCardValue;

Sprint-3/2-mandatory-rewrite/3-get-card-value.test.js

@@ -1,11 +1,35 @@
 const getCardValue = require("./3-get-card-value");
 
 test("should return 11 for Ace of Spades", () => {
-    const aceofSpades = getCardValue("A♠");
-    expect(aceofSpades).toEqual(11);
-    });
+  const aceofSpades = getCardValue("A♠");
+  expect(aceofSpades).toEqual(11);
+});
 
 // Case 2: Handle Number Cards (2-10):
+test("should return 10 for 10 of Hearts", () => {
+  const tenOfHearts = getCardValue("10♥");
+  expect(tenOfHearts).toEqual(10);
+});
+test("should return 5 for 10 of Spades", () => {
+  const fiveOfHearts = getCardValue("5♠");
+  expect(fiveOfHearts).toEqual(5);
+});
 // Case 3: Handle Face Cards (J, Q, K):
+test("should return 10 for Kings of Spades", () => {
+  const tenOfHearts = getCardValue("K♠");
+  expect(tenOfHearts).toEqual(10);
+});
+test("should return 10 for Queen of Hearts", () => {
+  const queenOfHearts = getCardValue("Q♥");
+  expect(queenOfHearts).toEqual(10);
+});
 // Case 4: Handle Ace (A):
+test("should return 11 for Ace of Hearts", () => {
+  const AceOfHearts = getCardValue("A♥");
+  expect(AceOfHearts).toEqual(11);
+});
 // Case 5: Handle Invalid Cards:
+test("should return Invalid Card for letters", () => {
+  const AceOfHearts = getCardValue("SS");
+  expect(AceOfHearts).toEqual("Invalid card rank.");
+});

Sprint-3/3-mandatory-practice/implement/count.js

@@ -1,5 +1,11 @@
 function countChar(stringOfCharacters, findCharacter) {
-    return 5
+  let occurance = 0;
+  for (const letter of stringOfCharacters) {
+    if (findCharacter === letter) {
+      occurance++;
+    }
+  }
+  return occurance;
 }
 
-module.exports = countChar;
+module.exports = countChar;

Sprint-3/3-mandatory-practice/implement/count.test.js

@@ -22,3 +22,9 @@ test("should count multiple occurrences of a character", () => {
 // And a character char that does not exist within the case-sensitive str,
 // When the function is called with these inputs,
 // Then it should return 0, indicating that no occurrences of the char were found in the case-sensitive str.
+test("should count zero occurrences of a character", () => {
+  const str = "aaaaa";
+  const char = "b";
+  const count = countChar(str, char);
+  expect(count).toEqual(0);
+});

Sprint-3/3-mandatory-practice/implement/get-ordinal-number.js

@@ -1,5 +1,14 @@
 function getOrdinalNumber(num) {
- return "1st";
+  let lastTwoNumber = num % 100;
+  if (lastTwoNumber === 11 || lastTwoNumber === 12 || lastTwoNumber === 13)
+    return `${num}th`;
+  let lastDigit = num % 10;
+  if (lastDigit === 1) return `${num}st`;
+  else if (lastDigit === 2) return `${num}nd`;
+  else if (lastDigit === 3) return `${num}rd`;
+  else return `${num}th`;
 }
 
-module.exports = getOrdinalNumber;
+console.log(getOrdinalNumber(100));
+
+module.exports = getOrdinalNumber;

Sprint-3/3-mandatory-practice/implement/get-ordinal-number.test.js

@@ -9,5 +9,21 @@ const getOrdinalNumber = require("./get-ordinal-number");
 // Then the function should return "1st"
 
 test("should return '1st' for 1", () => {
-    expect(getOrdinalNumber(1)).toEqual("1st");
-    });
+  expect(getOrdinalNumber(1)).toEqual("1st");
+});
+
+test("should return '2nd' for 2", () => {
+  expect(getOrdinalNumber(2)).toEqual("2nd");
+});
+
+test("should return '3rd' for 3", () => {
+  expect(getOrdinalNumber(3)).toEqual("3rd");
+});
+
+test("should return '11th' for 11", () => {
+  expect(getOrdinalNumber(11)).toEqual("11th");
+});
+
+test("should return '21st' for 21", () => {
+  expect(getOrdinalNumber(21)).toEqual("21st");
+});

Sprint-3/3-mandatory-practice/implement/repeat.js

@@ -1,5 +1,10 @@
-function repeat() {
-    return "hellohellohello";
+function repeat(str, count) {
+  if (count < 0) {
+    return "Negative numbers are not accepted";
+  }
+  return str.repeat(count);
 }
 
-module.exports = repeat;
+console.log(repeat("hello", -100));
+console.log(repeat("hell0", 0));
+module.exports = repeat;