London | May-2025 | Fatima_Zohra_Belkedari | Module Structuring and Testing Data | Sprint. 3

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

@@ -8,8 +8,13 @@
 // 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";
+  if (angle < 90) return "Acute angle";
+  if (angle > 90 && angle < 180) return "Obtuse angle";
+  if (angle === 180) return "Straight angle";
+  if (angle > 180 && angle < 360) return "Reflex 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
@@ -42,15 +47,21 @@ assertEquals(acute, "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"
-const obtuse = getAngleType(120);
 // ====> write your test here, and then add a line to pass the test in the function above
+const obtuse = getAngleType(120);
+assertEquals(obtuse, "Obtuse angle");
 
 // Case 4: Identify Straight Angles:
 // When the angle is exactly 180 degrees,
-// Then the function should return "Straight angle"
+// Then the function should return "Straight angle"å
 // ====> 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(260);
+assertEquals(reflex, "Reflex angle");
+console.log(getAngleType);

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

@@ -8,7 +8,7 @@
 // write one test at a time, and make it pass, build your solution up methodically
 
 function isProperFraction(numerator, denominator) {
-    if (numerator < denominator) return true;
+  return Math.abs(numerator) < Math.abs(denominator);
 }
 
 // here's our helper again
@@ -41,13 +41,17 @@ 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?
+const bothNegative = isProperFraction(-8, -10);
+assertEquals(bothNegative, 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;
+  const rank = card[0];
+  if (rank === "A") return 11;
+
+  if (["J", "Q", "K"].includes(rank)) return 10;
+  const number = Number(rank);
+  if (number >= 2 && number <= 10) return number;
+  throw new Error("Invalid card rank");
 }
 
 // You need to write assertions for your function to check it works in different cases
@@ -34,18 +40,35 @@ 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 JackOfDiamonds = getCardValue("J♦");
+assertEquals(JackOfDiamonds, 10);
+
+const QueenOfClubs = getCardValue("Q♣");
+assertEquals(QueenOfClubs, 10);
+
+const KingOfSpades = getCardValue("K♠");
+assertEquals(KingOfSpades, 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 Ace = getCardValue("A♠");
+assertEquals(Ace, 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."
+
+try {
+  getCardValue("Z♣");
+} catch (error) {
+  assertEquals(error.message, "Invalid card rank");
+}

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

@@ -1,8 +1,16 @@
 function getAngleType(angle) {
+  if (angle<= 0 || angle >= 360) {
+    return "invalid angle";
+   }
+
   if (angle === 90) return "Right angle";
   // replace with your completed function from key-implement
+if (angle > 0 && angle < 90) return "Acute angle";
+  if (angle > 90 && angle < 180) return "Obtuse angle";
+  if (angle === 180) return "Straight angle";
+  if (angle > 180 && angle < 360) return "Reflex angle";
+  }
 
-}
 
 
 

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

@@ -1,5 +1,12 @@
 const getAngleType = require("./1-get-angle-type");
 
+// Test cases for invalid angles
+ test("should return invalid angle for angles <=0 or angle >=360", ()=> {
+  expect(getAngleType(0)).toEqual("invalid angle");
+  expect(getAngleType(360)).toEqual("invalid angle");
+ }); 
+
+
 test("should identify right angle (90°)", () => {
   expect(getAngleType(90)).toEqual("Right angle");
 });
@@ -10,15 +17,25 @@ 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° and <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° and <360°)", () => {
+  expect(getAngleType(260)).toEqual("Reflex angle");
+});

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

@@ -1,6 +1,5 @@
 function isProperFraction(numerator, denominator) {
-    if (numerator < denominator) return true;
-    // add your completed function from key-implement here
+    return Math.abs(numerator) < Math.abs(denominator);
 }
 
-module.exports = isProperFraction;
+module.exports = isProperFraction;

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

@@ -1,11 +1,21 @@
 const isProperFraction = require("./2-is-proper-fraction");
 
-test("should return true for a proper fraction", () => {
-  expect(isProperFraction(2, 3)).toEqual(true);
+
+test("should return false for improper fraction (5/2)", () => {
+  expect(isProperFraction(5, 2)).toEqual(false);
+});
+
+
+test("should return true for negative proper fraction (-4/7)", () => {
+  expect(isProperFraction(-4, 7)).toEqual(true);
 });
 
-// Case 2: Identify Improper Fractions:
 
-// Case 3: Identify Negative Fractions:
+test("should return false for equal numerator and denominator (3/3)", () => {
+  expect(isProperFraction(3, 3)).toEqual(false);
+});
+
 
-// Case 4: Identify Equal Numerator and Denominator:
+test("should return true for both negative proper fraction (-8/-10)", () => {
+  expect(isProperFraction(-8, -10)).toEqual(true);
+});

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

@@ -1,5 +1,12 @@
 function getCardValue(card) {
-    // replace with your code from key-implement
-    return 11;
+  const rank = card.slice(0, -1); 
+
+  if (rank === "A") return 11;
+  if (["J", "Q", "K"].includes(rank)) return 10;
+
+  if (/^(10|[2-9])$/.test(rank)) { 
+        return Number(rank);
+  } 
+  throw new Error("Invalid card rank");
 }
-module.exports = getCardValue;
+module.exports = getCardValue;

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

@@ -1,11 +1,34 @@
 const getCardValue = require("./3-get-card-value");
 
-test("should return 11 for Ace of Spades", () => {
-    const aceofSpades = getCardValue("A♠");
-    expect(aceofSpades).toEqual(11);
-    });
+
 
 // Case 2: Handle Number Cards (2-10):
+test("should return number for number cards (2-10)",() => {
+    expect(getCardValue("2♠")).toEqual (2);
+    expect(getCardValue("10♣")).toEqual(10);
+});
 // Case 3: Handle Face Cards (J, Q, K):
+test("should return 10 for face cards J, Q, K", () => {
+    ["J", "Q", "K"].forEach(rank => {
+    expect(getCardValue (`${rank}♦`)).toEqual(10);
+    });
+});
+
+
+
 // Case 4: Handle Ace (A):
+test("should return 11 for Ace", () => {
+    expect(getCardValue("A♦")).toEqual(11);
+});
+
 // Case 5: Handle Invalid Cards:
+test("should throw error for invalid card rank", () => {
+    expect(() => getCardValue("L")).toThrow(new Error("Invalid card rank"));
+});
+
+// Case 6: should throw error for invalid numeric format:  
+test("should throw error for invalid numeric format", () => {
+    expect(() => getCardValue("0x02♠")).toThrow("Invalid card rank");
+    expect(() => getCardValue("2.1♠")).toThrow("Invalid card rank");  
+    expect(() => getCardValue("2♠♠")).toThrow("Invalid card rank");
+});

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

@@ -1,5 +1,12 @@
 function countChar(stringOfCharacters, findCharacter) {
-    return 5
+    let count = 0;
+    for (let i = 0; i < stringOfCharacters.length; i++) {
+        if (stringOfCharacters[i] === findCharacter) {
+            count++;
+        }
+    }
+    return count;
 }
 
+
 module.exports = countChar;

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

@@ -3,6 +3,12 @@ const countChar = require("./count");
 // Given a string str and a single character char to search for,
 // When the countChar function is called with these inputs,
 // Then it should:
+test("should count occurrences of a character in a string", () => {
+  const str = "coding is fun";
+  const char = "i";
+  const count = countChar(str, char);
+  expect(count).toEqual(2);
+});
 
 // Scenario: Multiple Occurrences
 // Given the input string str,
@@ -22,3 +28,10 @@ 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 return 0 when no occurrences of a character are found", () => {
+  const str = "good morning";
+  const char = "l";
+  const count = countChar(str, char);
+  expect(count).toEqual(0);
+});

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

@@ -1,5 +1,25 @@
 function getOrdinalNumber(num) {
- return "1st";
+    const strNum= num.toString();
+    if(strNum.slice(-2)==="11") {
+        return strNum + "th";
+    }
+if(strNum.slice(-2)==="12") {
+        return strNum + "th";
+    }   
+if(strNum.slice(-2)==="13") {
+        return strNum + "th";
+    }
+if(strNum.slice(-1)==="1") {
+        return strNum + "st";
+    }
+if(strNum.slice(-1)==="2") {
+        return strNum + "nd";
+    }
+if(strNum.slice(-1)==="3") {
+        return strNum + "rd";
+    }
+
 }
 
-module.exports = getOrdinalNumber;
+
+module.exports = getOrdinalNumber;

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

@@ -8,6 +8,26 @@ const getOrdinalNumber = require("./get-ordinal-number");
 // When the number is 1,
 // Then the function should return "1st"
 
-test("should return '1st' for 1", () => {
+    test("append 'st' to numbers ending in 1" , () => {
     expect(getOrdinalNumber(1)).toEqual("1st");
+    expect(getOrdinalNumber(21)).toEqual("21st");
+    expect(getOrdinalNumber(121)).toEqual("121st"); 
     });
+
+    test("append 'nd' to numbers ending in 2, except those ending in 12", () => {
+        expect(getOrdinalNumber(2)).toEqual("2nd");
+        expect(getOrdinalNumber(22)).toEqual("22nd");
+        expect(getOrdinalNumber(132)).toEqual("132nd");
+    });
+
+    test("append 'rd' to numbers ending in 3 , except those ending in 13", () => {
+        expect(getOrdinalNumber(23)).toEqual("23rd");
+        expect(getOrdinalNumber(13)).toEqual("13th");
+        expect(getOrdinalNumber(3)).toEqual("3rd");
+    });
+
+    test("should return '11th' for 11 , 12, 13", () => {
+        expect(getOrdinalNumber(11)).toEqual("11th");
+        expect(getOrdinalNumber(12)).toEqual("12th");
+        expect(getOrdinalNumber(13)).toEqual("13th");   
+    });     

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

@@ -1,5 +1,9 @@
-function repeat() {
-    return "hellohellohello";
+function repeat(str, count) {
+  if (count < 0){
+    throw new Error("throw an error as negative counts are not valid");
+   }
+    return str.repeat(count);
 }
 
-module.exports = repeat;
+
+module.exports = repeat;