ITP25 | Beatriz Oliveira | Week 6 | Sprint 3 - practice TDD coursework & implement and rewrite tests coursework

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";
+  } 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.
 }
+console.log(getAngleType(200)); 
 
 // 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.
@@ -32,7 +41,7 @@ function assertEquals(actualOutput, targetOutput) {
 
 // Given an angle in degrees,
 // When the function getAngleType is called with this angle,
-// Then it should:
+// Then it should: return the correct angle type as a string
 
 // Case 1: Identify Right Angles:
 // When the angle is exactly 90 degrees,
@@ -50,14 +59,19 @@ 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"
+const straight = getAngleType(180);
+assertEquals(straight, "Straight angle");
 // ====> 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(250);
+assertEquals(reflex, "Reflex angle");
 // ====> 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

@@ -10,6 +10,8 @@
 function isProperFraction(numerator, denominator) {
   if (numerator < denominator) {
     return true;
+  } else {
+    return false;
   }
 }
 
@@ -47,13 +49,15 @@ 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?

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

@@ -7,12 +7,28 @@
 // complete the rest of the tests and cases
 // 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) {
+  // Extract the rank - handle "10" case first since it has 2 characters
+  let rank;
+  if (card.startsWith("10")) {
+    rank = "10";
+  } else {
+    rank = card[0]; // First character for other cards
+  }
+
   if (rank === "A") {
     return 11;
+  } else if (rank === "K" || rank === "Q" || rank === "J" || rank === "10") {
+    return 10;
+  } else if (rank >= "2" && rank <= "9") {
+    return Number(rank);
+  } else {
+    throw new Error("Invalid card rank");
   }
 }
 
+
 // The line below allows us to load the getCardValue function into tests in other files.
 // This will be useful in the "rewrite tests with jest" step.
 module.exports = getCardValue;
@@ -39,19 +55,30 @@ 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 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 aceofHearts = getCardValue ("A♥");
+assertEquals(aceofHearts, 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("X♠"); // Invalid rank
+  console.assert(false, "Should have thrown an error for invalid card");
+} catch (error) {
+  console.assert(error.message === "Invalid card rank", "Should throw correct error message");
+}

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

@@ -0,0 +1,7 @@
+const getAngleType = require('./1-get-angle-type');
+
+
+// your test
+test("indentifies type of angle", function () {
+    expect(getAngleType(200)).toEqual("Reflex angle");
+});  

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

@@ -0,0 +1,19 @@
+const isProperFraction = require('./2-is-proper-fraction');
+
+test("identifies type of fraction", function () {
+  // Test proper fractions (numerator < denominator)
+  expect(isProperFraction(1, 2)).toEqual(true);
+  expect(isProperFraction(3, 4)).toEqual(true);
+
+  // Test improper fractions (numerator > denominator)  
+  expect(isProperFraction(5, 2)).toEqual(false);
+  expect(isProperFraction(7, 3)).toEqual(false);
+
+  // Test negative numbers (-numerator)
+  expect(isProperFraction(-4, 2)).toEqual(true);
+  expect(isProperFraction(-9, 3)).toEqual(true);
+
+  // Test equal numbers (numerator = denominator)
+  expect(isProperFraction(3, 3)).toEqual(false);
+  expect(isProperFraction(5, 5)).toEqual(false);
+});