ITP_JAN_25 | Yorsalem Mesmer | 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";
+   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
 }
 
@@ -43,14 +47,18 @@ 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 reflix = getAngleType(270);
+assertEquals(reflix, "Reflex angle");

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
@@ -40,14 +40,30 @@ 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(improperFraction, false);
 // ====> complete with your assertion
 
 // Stretch:
 // What other scenarios could you test for?
+
+// Zero as the Numerator check:
+// Input: numerator = 0, denominator = 5
+// target output: true
+// Explanation: The fraction 0/5 is a proper fraction because the absolute value of the numerator (0) is always smaller than any positiv number (5). The function should return true.
+const zeroAsTheNumeratorFraction = isProperFraction(0, 5);
+assertEquals( zeroAsTheNumeratorFraction, true);
+
+// Large Numbers(Edge Case) check:
+// Input: numerator = 9999, denominator = 9999
+// target output: false
+// Explanation: The fraction 9999/9999 is not a proper fraction because the numerator equal to the denominator. the function should return false.
+const largeNumbersFraction = isProperFraction(0, 5);
+assertEquals( largeNumbersFraction, true);

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) {
+    let rank = card.slice(0, -1); 
     if (rank === "A") return 11;
+    if (["J", "Q", "K", "10"].includes(rank)) 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
@@ -32,20 +37,37 @@ assertEquals(aceofSpades, 11);
 // 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

@@ -1,11 +1,14 @@
 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";
+ }
+
 
 
 
@@ -15,4 +18,5 @@ function getAngleType(angle) {
 // 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 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 +10,29 @@ 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 +1,8 @@
 function isProperFraction(numerator, denominator) {
-    if (numerator < denominator) return true;
-    // add your completed function from key-implement here
-}
+    return Math.abs(numerator) < Math.abs(denominator);
+    // add your completed function from key-implement her
+
+  }
+
+module.exports = isProperFraction;
 
-module.exports = isProperFraction;

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

@@ -1,11 +1,17 @@
-const isProperFraction = require("./2-is-proper-fraction");
-
-test("should return true for a proper fraction", () => {
-  expect(isProperFraction(2, 3)).toEqual(true);
-});
-
-// Case 2: Identify Improper Fractions:
-
-// Case 3: Identify Negative Fractions:
-
-// Case 4: Identify Equal Numerator and Denominator:
+const isProperFraction = require("./2-is-proper-fraction.js");
+test("should return true for a proper function (2/3)",() => {
+    expect(isProperFraction(2,3)).toBe(true);
+});
+test("should return false for an improper fraction (5/2)",() => {
+    expect(isProperFraction(5,2)). toBe(false);
+});
+test("should return true when numerator is zero (0/1)", () => {
+    expect(isProperFraction(0,1)). toBe(true);
+});
+test("should return false when numerator equals denominator (3/3)",() => {
+    expect(isProperFraction(3,3)).toBe(false);
+});
+test("should return true for a negativ proper fraction(-4/7)", () =>{
+    expect(isProperFraction(-4,7)).toBe(true);
+});
+

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

@@ -1,5 +1,13 @@
-function getCardValue(card) {
+//function getCardValue(card) {
     // replace with your code from key-implement
-    return 11;
+    //return 11;
+//}
+function getCardValue(card) {
+    const 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 +1,25 @@
 const getCardValue = require("./3-get-card-value");
 
 test("should return 11 for Ace of Spades", () => {
-    const aceofSpades = getCardValue("A♠");
-    expect(aceofSpades).toEqual(11);
+
+    expect(getCardValue("A♠")).toBe(11);
     });
 
 // Case 2: Handle Number Cards (2-10):
+test("should return 5 for Five of Hearts", () => {
+    expect(getCardValue("5♥")).toBe(5);
+});
+
 // Case 3: Handle Face Cards (J, Q, K):
-// Case 4: Handle Ace (A):
+test("should return 10 for King of Dimonds", () => {
+    expect(getCardValue("K♦")). toBe(10);
+})
+
+// Case 4: Handle Ace (10):
+test("should return 10 for Ten or Clubs",() =>{
+expect(getCardValue("10♣")).toBe(10);
+});
 // 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 +1,5 @@
 function countChar(stringOfCharacters, findCharacter) {
-    return 5
+    return stringOfCharacters.split(findCharacter).length - 1;
 }
 
 module.exports = countChar;

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

@@ -22,3 +22,31 @@ 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 if character is not in string",() =>{
+  const str = "hello";
+  const char = "z";
+  const count = countChar(str,char);
+  expect(count).toEqual(0);
+});
+
+test("should be case-sensitive when counting occurrences", () =>{
+  const str = "Hello";
+  const char = "h";
+  const count = countChar(str,char);
+  expect(count).toEqual(0);
+});
+
+test("should return 1 if character appears once",() =>{
+  const str = "banana";
+  const char = "b";
+  const count = countChar(str,char);
+  expect(count).toEqual(1);
+});
+
+test("should cont occurrences of special characters",() => {
+  const str ="wow!!!";
+  const char = "!";
+  const count = countChar(str,char);
+  expect(count).toEqual(3)
+});

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

@@ -1,5 +1,19 @@
 function getOrdinalNumber(num) {
- return "1st";
+ if(num % 100 >=11 && num% 100 <=13) {
+   return num + "th";
+ }
+
+ const lastDigit = num % 10;
+ switch (lastDigit) {
+    case 1:
+        return num + "st";
+    case 2: 
+        return num + "nd";
+    case 3:
+        return num + "rd";
+    default:
+        return num + "th";       
+ }
 }
 
 module.exports = getOrdinalNumber;

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

@@ -11,3 +11,38 @@ const getOrdinalNumber = require("./get-ordinal-number");
 test("should return '1st' for 1", () => {
     expect(getOrdinalNumber(1)).toEqual("1st");
     });
+
+test("should return '21st' for 21", () => {
+    expect(getOrdinalNumber(21)).toEqual("21st");
+});    
+
+test("should return '2nd' for 2", () => {
+    expect(getOrdinalNumber(2)).toEqual("2nd");
+});    
+
+test("should return '22nd' for 22", () => {
+    expect(getOrdinalNumber(22)).toEqual("22nd");
+});    
+
+test("should return '3rd' for 3", () => {
+    expect(getOrdinalNumber(3)).toEqual("3rd");
+});    
+
+
+test("should return '4th' for 4", () => {
+    expect(getOrdinalNumber(4)).toEqual("4th");
+});    
+
+test("should return '11th' for 11", () => {
+    expect(getOrdinalNumber(11)).toEqual("11th");
+});    
+
+
+test("should return '12th' for 12", () => {
+    expect(getOrdinalNumber(12)).toEqual("12th");
+});    
+
+
+test("should return '100th' for 100", () => {
+    expect(getOrdinalNumber(100)).toEqual("100th");
+});    

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

@@ -1,5 +1,13 @@
-function repeat() {
-    return "hellohellohello";
+//function repeat() {
+   // return "hellohellohello";
+//}
+
+function repeat(str, times) {
+    if (times < 0) {
+        throw new Error("Count cannot be negative");
+    }
+    return str.repeat(times);
 }
 
+
 module.exports = repeat;