Manchester | 26-ITP-Jan | Khalidbih | Sprint 3 | Coursework 3 implement and rewrite

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

@@ -10,10 +10,19 @@
 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";
   }
+}
    // 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.
 // This will be useful in the "rewrite tests with jest" step.
@@ -39,25 +48,36 @@ function assertEquals(actualOutput, targetOutput) {
 // Then the function should return "Right angle"
 const right = getAngleType(90);
 assertEquals(right, "Right angle");
+console.log(getAngleType(90));  
 
 // Case 2: Identify Acute Angles:
 // When the angle is less than 90 degrees,
 // Then the function should return "Acute angle"
 const acute = getAngleType(45);
 assertEquals(acute, "Acute angle");
+console.log(getAngleType(45));
 
 // 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);
+assertEquals (obtuse, "Obtuse angle");
+console.log(getAngleType(120));
 // ====> 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"
+const straight = getAngleType(180);
+assertEquals (straight, "Straight angle");
+console.log(getAngleType(180));
+
 // ====> write your test here, and then add a line to pass the test in the function above
 
 // 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"
+const Reflex = getAngleType(200);
+assertEquals (Reflex, "Reflex angle");
+console.log(getAngleType(200));
 // ====> write your test here, and then add a line to pass the test in the function above

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

@@ -8,9 +8,11 @@
 // write one test at a time, and make it pass, build your solution up methodically
 
 function isProperFraction(numerator, denominator) {
-  if (numerator < denominator) {
+if (Math.abs(numerator) < Math.abs(denominator)) {
     return true;
-  }
+  } else {
+    return false;
+  } 
 }
 
 // The line below allows us to load the isProperFraction function into tests in other files.
@@ -46,14 +48,25 @@ 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 zeroNumerator = isProperFraction(0, 5);
+assertEquals(zeroNumerator, true);
+
+const negativeDenominator = isProperFraction(4, -7);
+assertEquals(negativeDenominator, true);
+
+const bothNegative = isProperFraction(-4, -7);
+assertEquals(bothNegative, true);
+

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

@@ -8,8 +8,16 @@
 // 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) {
+  const rank = card.slice(0, -1); // remove suit
+
   if (rank === "A") {
     return 11;
+  } else if (["K", "Q", "J", "10"].includes(rank)) {
+    return 10;
+  } else if (["2","3","4","5","6","7","8","9"].includes(rank)) {
+    return Number(rank);
+  } else {
+    throw new Error("Invalid card rank.");
   }
 }
 
@@ -39,12 +47,25 @@ assertEquals(aceofSpades, 11);
 // 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♥");
+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 tenOfDiamonds = getCardValue("10♦");
+assertEquals(tenOfDiamonds, 10);
+
+const jackOfClubs = getCardValue("J♣");
+assertEquals(jackOfClubs, 10);
+
+const queenOfSpades = getCardValue("Q♠");
+assertEquals(queenOfSpades, 10);
+
+const kingOfHearts = getCardValue("K♥");
+assertEquals(kingOfHearts, 10);
+
 
 // Handle Ace (A):
 // Given a card with a rank of "A",
@@ -55,3 +76,10 @@ 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."
+
+try {
+  getCardValue("1♠"); 
+  console.error("Test failed: invalid card did not throw error"); 
+} catch (error) {
+  console.log("Invalid card test passed"); 
+}

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

@@ -12,15 +12,27 @@ 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 angles (> 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(270)).toEqual("Reflex angle")
+  });

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

@@ -7,7 +7,16 @@ test("should return true for a proper fraction", () => {
 });
 
 // Case 2: Identify Improper Fractions:
+test("should return false when numerator is greater than denominator", () => {
+  expect(isProperFraction(5, 2)).toEqual(false);
+});
 
 // Case 3: Identify Negative Fractions:
+test("should return true when absolute numerator is less than absolute denominator", () => {
+  expect(isProperFraction(-4, 7)).toEqual(true);
+});
 
 // Case 4: Identify Equal Numerator and Denominator:
+test("should return false when numerator equals denominator", () => {
+  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 +8,20 @@ test("should return 11 for Ace of Spades", () => {
 });
 
 // Case 2: Handle Number Cards (2-10):
+test("should return the value of number cards", () => {
+  expect(getCardValue("2♣")).toEqual(2);
+  expect(getCardValue("5♠")).toEqual(5);
+  expect(getCardValue("10♦")).toEqual(10);
+});
+
 // Case 3: Handle Face Cards (J, Q, K):
-// Case 4: Handle Ace (A):
+test("should return 10 for face cards", () => {
+  expect(getCardValue("J♣")).toEqual(10);
+  expect(getCardValue("Q♥")).toEqual(10);
+  expect(getCardValue("K♠")).toEqual(10);
+});
+
 // Case 5: Handle Invalid Cards:
+test("should throw an error for Invalid card", () => {
+  expect(() => getCardValue("1♣")).toThrow("Invalid card rank.");
+});