ITP_JAN_25 | HASAN DEMIROZ | Module-Structuring-and-Testing-Data | Sprint 3

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

@@ -9,6 +9,10 @@
 
 function getAngleType(angle) {
    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) return "Straight angle";
+   else if (angle > 180 && angle < 360) return "Reflex angle";
    // read to the end, complete line 36, then pass your test here
 }
 
@@ -43,14 +47,19 @@ 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"
 // ====> 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(200);
+assertEquals(reflex, "Reflex angle");

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

@@ -8,7 +8,11 @@
 // 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 (numerator === 0 || denominator === 0) return false;  
+    else if (Math.abs(numerator) < Math.abs(denominator)) 
+      return true;
+    else if (Math.abs(numerator) >= Math.abs(denominator)) return false;
+
 }
 
 // here's our helper again
@@ -40,14 +44,23 @@ 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?
+const numeratorZero = isProperFraction(0, 3);
+assertEquals( numeratorZero, false);
+
+const denominatorZero = isProperFraction(5, 0);
+assertEquals(denominatorZero, false);
+
+

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

@@ -8,7 +8,12 @@
 // 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.toUpperCase() === "A") return 11;
+    if (["J", "Q", "K", "10"].includes(rank.toUpperCase())) return 10;
+    let number = parseInt(rank);
+    if (number >= 2 && number <= 9) return number;
+    throw new Error("Invalid card rank.");
 }
 
 // You need to write assertions for your function to check it works in different cases
@@ -25,27 +30,46 @@ 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♥");
+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);
+
 
 // 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 tenOfClubs = getCardValue("10♣");
+assertEquals(tenOfClubs, 10);
 
 // 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."
+
+// Invalid card should throw an error
+try {
+  getCardValue("1♣");  // 1 is not a valid rank in a standard deck
+} catch (error) {
+  assertEquals(error.message, "Invalid card rank.");
+}
+
+try {
+  getCardValue("Z♦");  // Z is not a valid card
+} catch (error) {
+  assertEquals(error.message, "Invalid card rank.");
+}

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

@@ -1,6 +1,12 @@
 function getAngleType(angle) {
   if (angle === 90) return "Right angle";
   // replace with your completed function from key-implement
+    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";
+    if ( angle === 360 ) return "Full rotation";
+    return "Invalid angle";
 
 }
 

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

@@ -10,15 +10,30 @@ 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");
+  expect(getAngleType(10)). 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");
+  expect(getAngleType(100)).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");
+  expect(getAngleType(200)).toEqual("Reflex angle")
+});

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

@@ -1,6 +1,9 @@
 function isProperFraction(numerator, denominator) {
-    if (numerator < denominator) return true;
+    if(numerator ===0 || denominator ===0) return false;
+    else if (numerator < denominator) return true;
     // add your completed function from key-implement here
+    else if (numerator >= denominator) return false;
+
 }
 
 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 true for a proper fraction (2/3)",() => {
+    expect(isProperFraction(2,3)).toBe(true);
 });
 
 // Case 2: Identify Improper Fractions:
+test("should return true for a improper fraction (3/1)",() => {
+    expect(isProperFraction(3,1)).toBe(false);
+});
 
 // Case 3: Identify Negative Fractions:
+test("should return true for a negative fraction (-3/5)",() => {
+    expect(isProperFraction(-3,5)).toBe(true);
+});
 
 // Case 4: Identify Equal Numerator and Denominator:
+test("should return true for a equal numerator and denominator fraction (5/5)",() => {
+    expect(isProperFraction(5,5)).toBe(false);
+});
+

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

@@ -1,5 +1,9 @@
 function getCardValue(card) {
     // replace with your code from key-implement
-    return 11;
+    let rank = card.slice(0, -1);
+    if (rank === "A") return 11;
+    if (["J", "Q", "K", "10"].includes(rank)) return 10;
+    if(!isNaN(rank)) return parseInt(rank);
+    throw new Error("Invalid card rank.");
 }
 module.exports = getCardValue;

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

@@ -1,11 +1,29 @@
 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 7 for seven of Spades", () => {
+    const aceOfSpades = getCardValue("7♠");
+    expect(aceOfSpades).toEqual(7);
+    });
+
 // Case 3: Handle Face Cards (J, Q, K):
+test("should return 10 for King of Diamonds", () => {
+    const aceOfSpades = getCardValue("K♦");
+    expect(aceOfSpades).toEqual(10);
+    });
+
 // Case 4: Handle Ace (A):
-// Case 5: Handle Invalid Cards:
+test("should return 10 for Ten or Clubs",() =>{
+    const aceOfSpades = getCardValue("5♠");
+    expect(aceOfSpades).toEqual(5);
+    });
+
+    // Case 5: Handle Invalid Cards:
+test("should throw an error for an invalid card (Z♦)", () => {
+    expect(() => getCardValue("Z♦")).toThrow("Invalid card rank.");
+});

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

@@ -1,5 +1,6 @@
 function countChar(stringOfCharacters, findCharacter) {
-    return 5
+    if(findCharacter==="") return 0;
+    else return stringOfCharacters.split(findCharacter).length -1;
 }
 
 module.exports = countChar;

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

@@ -13,7 +13,7 @@ const countChar = require("./count");
 test("should count multiple occurrences of a character", () => {
   const str = "aaaaa";
   const char = "a";
-  const count = countChar(str, char);
+  let count = countChar(str, char);
   expect(count).toEqual(5);
 });
 
@@ -22,3 +22,32 @@ 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 multiple occurrences of l character", () => {
+  const str = "hello";
+  const char = "l";
+  let count = countChar(str, char);
+  expect(count).toEqual(2);
+});
+
+test("should return 0 if because of case-sensitivity",() =>{
+  const str = "Car";
+  const char = "c";
+  const count = countChar(str,char);
+  expect(count).toEqual(0);
+});
+
+
+test("should return 0 if character does not appears",() =>{
+  const str = "apple";
+  const char = "c";
+  const count = countChar(str,char);
+  expect(count).toEqual(0);
+});
+
+test("should return 0 if character is empty string",() =>{
+  const str = "apple";
+  const char = "";
+  const count = countChar(str,char);
+  expect(count).toEqual(0);
+});

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

@@ -1,5 +1,15 @@
 function getOrdinalNumber(num) {
- return "1st";
+    let lastDigit = (num.toString()).slice(-1);
+    if(num > 10 && num < 14|| lastDigit >= 4)  {return num + "th"}
+    else if  (lastDigit == 1) return num + "st"
+    else if  (lastDigit == 2) return num + "nd"
+    else if  (lastDigit == 3) return num + "rd"
+
 }
 
-module.exports = getOrdinalNumber;
+module.exports = getOrdinalNumber;
+
+// 1st 11th 21st 31st
+// 2nd 12th 22nd 32nd
+// 3rd 13th 23rd 33rd
+

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

@@ -11,3 +11,17 @@ const getOrdinalNumber = require("./get-ordinal-number");
 test("should return '1st' for 1", () => {
     expect(getOrdinalNumber(1)).toEqual("1st");
     });
+
+test("should return '2nd' for 2", () => {
+    expect(getOrdinalNumber(2)).toEqual("2nd");
+    });
+
+
+test("should return '8th' for 8", () => {
+    expect(getOrdinalNumber(8)).toEqual("8th");
+    });
+
+
+test("should return '31st' for 31", () => {
+    expect(getOrdinalNumber(31)).toEqual("31st");
+    });

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

@@ -1,5 +1,17 @@
-function repeat() {
-    return "hellohellohello";
+function repeat(str, count) {
+    if (count < 0) {
+        throw new Error("Count must be a non-negative integer.");
+    }
+
+    if (count === 0) {
+        return "";
+    }
+
+    let result = "";
+    for (let i = 0; i < count; i++) {
+        result += str;
+    }
+    return result;
 }
 
 module.exports = repeat;