West Midlands | 26-Jan-ITP | Fida H Ali Zada | Sprint 3 | Implement and Rewrite Tests

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

@@ -16,6 +16,19 @@
 
 function getAngleType(angle) {
   // TODO: Implement this function
+  if (angle > 0 && angle < 90) {
+    return 'Acute angle';
+  } else if (angle === 90) {
+    return 'Right 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';
+  } else {
+    return 'Invalid angle';
+  }
 }
 
 // The line below allows us to load the getAngleType function into tests in other files.
@@ -35,3 +48,23 @@ function assertEquals(actualOutput, targetOutput) {
 // Example: Identify Right Angles
 const right = getAngleType(90);
 assertEquals(right, "Right angle");
+
+// acute angles
+const acute = getAngleType(45);
+assertEquals(acute, "Acute angle");
+
+// invalid angle
+const invalid = getAngleType(0);
+assertEquals(invalid, "Invalid angle");
+
+// obtuse angle
+const obtuse = getAngleType(91);
+assertEquals(obtuse, "Obtuse angle");
+
+// straight angle
+const straight = getAngleType(180);
+assertEquals(straight, "Straight angle");
+
+// other invalid angles
+assertEquals(getAngleType(360), "Invalid angle");
+assertEquals(getAngleType(-180), "Invalid angle");

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

@@ -11,7 +11,8 @@
 // execute the code to ensure all tests pass.
 
 function isProperFraction(numerator, denominator) {
-  // TODO: Implement this function
+  // should change negative numbers to absolute numbers
+  return Math.abs(numerator) < Math.abs(denominator);
 }
 
 // The line below allows us to load the isProperFraction function into tests in other files.
@@ -31,3 +32,18 @@ function assertEquals(actualOutput, targetOutput) {
 
 // Example: 1/2 is a proper fraction
 assertEquals(isProperFraction(1, 2), true);
+
+
+// Tests
+assertEquals(isProperFraction(2, 3), true);
+assertEquals(isProperFraction(3, 1), false);
+assertEquals(isProperFraction(-1, -6), true);
+assertEquals(isProperFraction(-1, 0), false);
+assertEquals(isProperFraction(1, 1), false);
+assertEquals(isProperFraction(-6, 6), false);
+
+assertEquals(isProperFraction(-1, -2), true);
+assertEquals(isProperFraction(1, -2), true);
+assertEquals(isProperFraction(-1, 2), true);
+assertEquals(isProperFraction(1, 0), false);
+assertEquals(isProperFraction(-1, 0), false);

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

@@ -22,7 +22,22 @@
 // execute the code to ensure all tests pass.
 
 function getCardValue(card) {
-  // TODO: Implement this function
+  const ranks = ["A", "2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K"];
+  const suits = ["♠", "♥", "♦", "♣"];
+  const rankPart = card.slice(0, card.length - 1);
+  const suitPart = card.slice(-1);
+
+  if (ranks.includes(rankPart) && suits.includes(suitPart)) {
+    if (rankPart == "A") {
+      return 11;
+    } else if (rankPart == "J" || rankPart == "Q" || rankPart == "K") {
+      return 10;
+    } else {
+      return Number(rankPart);
+    }
+  } else {
+    throw new Error("Invalid card. A valid card should contain a rank followed by the suit"); 
+  }
 }
 
 // The line below allows us to load the getCardValue function into tests in other files.
@@ -41,6 +56,12 @@ function assertEquals(actualOutput, targetOutput) {
 // Examples:
 assertEquals(getCardValue("9♠"), 9);
 
+assertEquals(getCardValue("10♣"), 10);
+assertEquals(getCardValue("J♥"), 10);
+assertEquals(getCardValue("K♥"), 10);
+assertEquals(getCardValue("A♦"), 11);
+assertEquals(getCardValue("2♦"), 2);
+
 // Handling invalid cards
 try {
   getCardValue("invalid");
@@ -50,3 +71,19 @@ try {
 } catch (e) {}
 
 // What other invalid card cases can you think of?
+// Handling invalid cards
+function assertThrows(testFunction) {
+  let threw = false;
+
+  try {
+    testFunction();
+  } catch (error) {
+    threw = true;
+  }
+
+  console.assert(threw, "Expected function to throw an error.")
+}
+
+assertThrows(() => getCardValue("1♣"));
+assertThrows(() => getCardValue("12"));
+assertThrows(() => getCardValue("♦3"));

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

@@ -14,7 +14,34 @@ test(`should return "Acute angle" when (0 < angle < 90)`, () => {
 });
 
 // Case 2: Right angle
+test(`should return "Right angle" (when angle === 90)`, () => {
+  expect(getAngleType(90)).toEqual("Right angle");
+})
+
 // Case 3: Obtuse angles
+test(`should return "Obtuse angle" when (90 < angle < 180)`, () => {
+  expect(getAngleType(91)).toEqual("Obtuse angle");
+  expect(getAngleType(135)).toEqual("Obtuse angle");
+  expect(getAngleType(179)).toEqual("Obtuse angle");
+  expect(getAngleType(90.1)).toEqual("Obtuse angle");
+})
+
 // Case 4: Straight angle
+test(`should return "Straight angle" when (angle === 180)`, () => {
+  expect(getAngleType(180)).toEqual("Straight angle");
+})
+
 // Case 5: Reflex angles
+test(`should return "Reflex angle" when (180 < angle < 360)`, () => {
+  expect(getAngleType(181)).toEqual("Reflex angle");
+  expect(getAngleType(270)).toEqual("Reflex angle");
+  expect(getAngleType(359)).toEqual("Reflex angle");
+})
+
 // Case 6: Invalid angles
+test(`should return "Invalid angle" for angles outside the valid range`, () => {
+  expect(getAngleType(360)).toEqual("Invalid angle");
+  expect(getAngleType(0)).toEqual("Invalid angle");
+  expect(getAngleType(-90)).toEqual("Invalid angle");
+  expect(getAngleType(-0.9)).toEqual("Invalid angle");
+})

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

@@ -8,3 +8,18 @@ const isProperFraction = require("../implement/2-is-proper-fraction");
 test(`should return false when denominator is zero`, () => {
   expect(isProperFraction(1, 0)).toEqual(false);
 });
+
+test(`should return true when abs(numerator) < abs(denominator)`, () => {
+  expect(isProperFraction(0, 1)).toEqual(true);
+  expect(isProperFraction(-3, -6)).toEqual(true);
+  expect(isProperFraction(1, 2)).toEqual(true);
+})
+
+test(`should return false when abs(numerator) > abs(denominator)`, () => {
+  expect(isProperFraction(2, 1)).toEqual(false);
+  expect(isProperFraction(-2, -1)).toEqual(false);
+})
+
+test(`should return false when (numerator == denominator)`, () => {
+  expect(isProperFraction(0, 0)).toEqual(false);
+})

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

@@ -18,3 +18,26 @@ test(`Should return 11 when given an ace card`, () => {
 // please refer to the Jest documentation:
 // https://jestjs.io/docs/expect#tothrowerror
 
+// Number Cards (2-10)
+test(`should return the numeric value of number cards`, () => {
+  expect(getCardValue("2♠")).toEqual(2);
+  expect(getCardValue("10♥")).toEqual(10);
+  expect(getCardValue("9♦")).toEqual(9);
+  expect(getCardValue("4♣")).toEqual(4);
+  expect(getCardValue("5♦")).toEqual(5);
+})
+
+// Face Cards (J, Q, K)
+test(`should return 10 for face cards ("J", "Q", "K")`, () => {
+  expect(getCardValue("J♠")).toEqual(10);
+  expect(getCardValue("Q♣")).toEqual(10);
+  expect(getCardValue("K♥")).toEqual(10);
+})
+
+// Invalid Cards
+test(`should throw for invalid cards`, () => {
+  expect(() => getCardValue("1♠")).toThrow();
+  expect(() => getCardValue("11")).toThrow();
+  expect(() => getCardValue("♣10")).toThrow();
+  expect(() => getCardValue("♣")).toThrow();
+})