Glasgow| 25-ITP-Sep | Abraham-Habte| Sprint 3|Coursework/sprint-3-implement-and-rewrite

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

@@ -10,6 +10,18 @@
 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";
   }
    // 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.
@@ -51,13 +63,17 @@ 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:
 // 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(220);
+assertEquals(reflex, "Reflex angle");

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

@@ -11,6 +11,18 @@ function isProperFraction(numerator, denominator) {
   if (numerator < denominator) {
     return true;
   }
+  if (numerator > denominator) {
+    return false;
+  }
+  if (numerator === denominator) {
+    return false;
+  }
+  if (numerator === 0) {
+    return true;
+  }
+  if (denominator===0) {
+    return true;
+  }
 }
 
 // The line below allows us to load the isProperFraction function into tests in other files.
@@ -47,13 +59,28 @@ 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?
+// zero value check:
+// Input: numerator = 0, denominator = 5
+// target output: true
+// Explanation: The fraction 0/5 will be zero because zero divided any number will give zero. The function should return true.
+const zeroValue = isProperFraction(0, 5);
+assertEquals(zeroValue, true);
+
+// undefine value check:
+// Input: numerator = 5, denominator = 0
+// target output: true
+// Explanation: The fraction 5/0 will be undefine because any number divided by zero will be undefine. The function should return true.
+const undefine = isProperFraction(0, 5);
+assertEquals(undefine, true);

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

@@ -8,9 +8,19 @@
 // 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);
   if (rank === "A") {
     return 11;
   }
+   if (["K", "Q", "J"].includes(rank)) {
+    return 10;
+  }
+
+  const num = parseInt(rank, 10);
+  if (num >= 2 && num <= 10) {
+    return num;
+  }
+    throw new Error("Invalid card rank.");
 }
 
 // The line below allows us to load the getCardValue function into tests in other files.
@@ -40,18 +50,39 @@ 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 jack = getCardValue("J♦");
+assertEquals(jack, 10);
+
+const queen = getCardValue("Q♣");
+assertEquals(queen, 10);
+
+const king = getCardValue("K♠");
+assertEquals(king, 10);
+
+const ten = getCardValue("10♥");
+assertEquals(ten, 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("B");
+  console.error("Test failed: Expected error for invalid card rank.");
+} catch (e) {
+  assertEquals(e.message, "Invalid card rank.");
+}
+

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 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(220)).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 folse for a improper fraction", () => {
+  expect(isProperFraction(5, 2)).toEqual(false);
+});
 
 // Case 3: Identify Negative Fractions:
+test("should return true for a negative fraction", () => {
+  expect(isProperFraction(-4, 7)).toEqual(true);
+});
 
 // Case 4: Identify Equal Numerator and Denominator:
+test("should return true for a equal fraction", () => {
+  expect(isProperFraction(3, 3)).toEqual(true);
+});

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

@@ -8,6 +8,35 @@ test("should return 11 for Ace of Spades", () => {
 });
 
 // Case 2: Handle Number Cards (2-10):
+test("should return 3 for 3 of Clubs", () => {
+  expect(getCardValue("3♣")).toEqual(3);
+});
+
+test("should return 7 for 7 of Spades", () => {
+  expect(getCardValue("7♠")).toEqual(7);
+});
+
+test("should return 9 for 9 of Diamonds", () => {
+  expect(getCardValue("9♦")).toEqual(9);
+});
+
 // Case 3: Handle Face Cards (J, Q, K):
+test("should return 10 for Jack of Clubs", () => {
+  expect(getCardValue("J♦")).toEqual(10);
+});
+
+test("should return 10 for Queen of Spades", () => {
+  expect(getCardValue("Q♣")).toEqual(10);
+});
+
+test("should return 10 for King of Hearts", () => {
+  expect(getCardValue("K♠")).toEqual(10);
+});
 // Case 4: Handle Ace (A):
+test("should return 11 for Ace of Diamonds", () => {
+  expect(getCardValue("A♦")).toEqual(11);
+});
 // Case 5: Handle Invalid Cards:
+test("should throw an error for invalid card 'Z♠'", () => {
+  expect(() => getCardValue("Z♠")).toThrow("Invalid card");
+});