London | 26-ITP-May | Rizqah Popoola | Sprint 3 | Implement and rewrite

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

@@ -16,6 +16,30 @@
 
 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 if(angle === 0){
+    return "Zero angle"
+  }
+  else if(angle === 360){
+    return "Complete angle"
+  }
+  else{
+    return "Invalid angle";
+  }
 }
 
 // The line below allows us to load the getAngleType function into tests in other files.
@@ -32,6 +56,32 @@ function assertEquals(actualOutput, targetOutput) {
 }
 
 // TODO: Write tests to cover all cases, including boundary and invalid cases.
-// Example: Identify Right Angles
-const right = getAngleType(90);
-assertEquals(right, "Right angle");
+
+// Tests for right angles
+assertEquals(getAngleType(90), "Right angle");
+
+// Tests for acute angles
+assertEquals(getAngleType(56), "Acute angle");
+assertEquals(getAngleType(1), "Acute angle");
+
+// Test for a straight line
+assertEquals(getAngleType(180), "Straight angle");
+
+// Test for obtuse angle
+assertEquals(getAngleType(95), "Obtuse angle");
+assertEquals(getAngleType(160), "Obtuse angle");
+assertEquals(getAngleType(102), "Obtuse angle");
+
+// Test for reflex angle
+assertEquals(getAngleType(181), "Reflex angle");
+assertEquals(getAngleType(249), "Reflex angle");
+
+// Test for invalid angles
+assertEquals(getAngleType(-980), "Invalid angle");
+assertEquals(getAngleType(9082), "Invalid angle"); 
+assertEquals(getAngleType(672), "Invalid angle");
+//
+assertEquals(getAngleType(0), "Zero angle");
+assertEquals(getAngleType(360), "Complete angle");
+console.log("Execution finished! If any test failed, console.assert errors will appear above.");
+

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

@@ -11,6 +11,7 @@
 // execute the code to ensure all tests pass.
 
 function isProperFraction(numerator, denominator) {
+  return Math.abs(numerator) < Math.abs(denominator);
   // TODO: Implement this function
 }
 
@@ -31,3 +32,11 @@ function assertEquals(actualOutput, targetOutput) {
 
 // Example: 1/2 is a proper fraction
 assertEquals(isProperFraction(1, 2), true);
+assertEquals(isProperFraction(93, 112), true);
+assertEquals(isProperFraction(2, 1), false);
+assertEquals(isProperFraction(80, 80), false);
+assertEquals(isProperFraction(-10, -15), true);
+assertEquals(isProperFraction(-35, 25), false);
+assertEquals(isProperFraction(1, 0), false);
+assertEquals(isProperFraction(0, 1), true);
+console.log("Execution finished! If any test failed, console.assert errors will appear above.");

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

@@ -23,8 +23,44 @@
 
 function getCardValue(card) {
   // TODO: Implement this function
+  if (typeof card !== "string" || card.length < 2 || card.length > 3) {
+    throw new Error("Invalid card");
+  }
+  const ranks = [
+    "A",
+    "2",
+    "3",
+    "4",
+    "5",
+    "6",
+    "7",
+    "8",
+    "9",
+    "10",
+    "J",
+    "Q",
+    "K",
+  ];
+  const suits = ["♠", "♥", "♦", "♣"];
+let rank = card.slice(0, -1)// This is extracting the bit before the suits alone
+let suit = card.slice(-1) // THis is extracting the suit in the string
+
+  if(!ranks.includes(rank)){
+    throw new Error("Invalid card")
+  }
+  if (!suits.includes(suit)){
+    throw new Error("Invalid card")
+  }
+  if (rank === "A"){
+    return 11}
+  if (["J", "K", "Q"].includes(rank)){
+    return 10
+  }
+  else{
+    return Number(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;
@@ -40,6 +76,20 @@ function assertEquals(actualOutput, targetOutput) {
 // TODO: Write tests to cover all outcomes, including throwing errors for invalid cards.
 // Examples:
 assertEquals(getCardValue("9♠"), 9);
+assertEquals(getCardValue("A♠"), 11);
+assertEquals(getCardValue("J♣"), 10);
+assertEquals(getCardValue("K♦"), 10);
+assertEquals(getCardValue("5♣"), 5);
+assertEquals(getCardValue("2♣"), 2);
+assertEquals(getCardValue("10♥"), 10);
+assertEquals(getCardValue("6♥"), 6);
+assertEquals(getCardValue("5♥"), 5);
+assertEquals(getCardValue("8♥"), 8);
+assertEquals(getCardValue("4♥"), 4);
+assertEquals(getCardValue("3♥"), 3);
+assertEquals(getCardValue("Q♦"), 10);
+assertEquals(getCardValue("7♥"), 7);
+
 
 // Handling invalid cards
 try {
@@ -52,3 +102,17 @@ try {
 }
 
 // What other invalid card cases can you think of?
+
+try {
+  getCardValue("A");
+  console.error("Error not thrown for invalid card missing suit");
+} catch (e) {
+  console.log("Error thrown for invalid card missing suit🎉");
+}
+
+try {
+  getCardValue("");
+  console.error("Error not thrown for invalid card containing empty string");
+} catch (e) {
+  console.log("Error thrown for invalid card containing empty string");
+}

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

@@ -14,7 +14,38 @@ 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)`, () => {
+  // Test various obtuse angles, including boundary cases
+  expect(getAngleType(90.1)).toEqual("Obtuse angle");
+  expect(getAngleType(179.9)).toEqual("Obtuse angle");
+  expect(getAngleType(99.8)).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)`, () => {
+  // Test various Reflex angles, including boundary cases
+  expect(getAngleType(181)).toEqual("Reflex angle");
+  expect(getAngleType(256)).toEqual("Reflex angle");
+  expect(getAngleType(359.9)).toEqual("Reflex angle");
+});
 // Case 6: Invalid angles
+test(`should return "Invalid angle" when (angle > 360 || angle < 0)`, () => {
+  // Test various invalid angles
+  expect(getAngleType(-180)).toEqual("Invalid angle");
+  expect(getAngleType(561)).toEqual("Invalid angle");
+  expect(getAngleType(980)).toEqual("Invalid angle");
+});
+test(`should return "Zero angle" when (angle === 0)`, () => {
+  expect(getAngleType(0)).toEqual("Zero angle");
+});
+test(`should return "Zero angle" when (angle === 360)`, () => {
+  expect(getAngleType(360)).toEqual("Complete angle");
+});
+

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

@@ -8,3 +8,21 @@ const isProperFraction = require("../implement/2-is-proper-fraction");
 test(`should return false when denominator is zero`, () => {
   expect(isProperFraction(1, 0)).toEqual(false);
 });
+// proper fractions
+test(`should return true when denominator is higher than numerator`, () => {
+  expect(isProperFraction(0, 1)).toEqual(true);
+  expect(isProperFraction(2, 7)).toEqual(true);
+  expect(isProperFraction(89, 101)).toEqual(true);
+});
+// Special case: numerator or denominator is negative, we consider the absolute values for fractions so ignore the negative signs
+test(`should return true when negative/positive numerator is less than the positive/negative denominator`, () => {
+  expect(isProperFraction(-20, -30)).toEqual(true);
+  expect(isProperFraction(-1, 2)).toEqual(true);
+  expect(isProperFraction(58, -68)).toEqual(true);
+});
+// Special case: numerator or denominator is negative, we consider the absolute values for fractions so ignore the negative signs
+test(`should return false when negative/positive numerator is greater than the positive/negative denominator`, () => {
+  expect(isProperFraction(-50, 10)).toEqual(false);
+  expect(isProperFraction(100, 2)).toEqual(false);
+  expect(isProperFraction(-1, -0)).toEqual(false);
+});

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

@@ -3,18 +3,35 @@
 const getCardValue = require("../implement/3-get-card-value");
 
 // TODO: Write tests in Jest syntax to cover all possible outcomes.
-
+//["♠", "♥", "♦", "♣"];
 // Case 1: Ace (A)
 test(`Should return 11 when given an ace card`, () => {
   expect(getCardValue("A♠")).toEqual(11);
 });
-
+//Case 2: Face Cards(J, Q,K)
+test(`Should return 10 when given a face card`, () => {
+  expect(getCardValue("J♠")).toEqual(10);
+  expect(getCardValue("K♣")).toEqual(10);
+  expect(getCardValue("J♦")).toEqual(10);
+});
+//case 3: Number Cards (2-10)
+test(`Should return the number when given a number card`, () => {
+  expect(getCardValue("4♠")).toEqual(4);
+  expect(getCardValue("9♣")).toEqual(9);
+  expect(getCardValue("2♦")).toEqual(2);
+});
+//Case 4: Invalid cards
+test(`Should return the invalid suit, invalid card or invalid card`, () => {
+  expect(() => getCardValue("Apple")).toThrow("Invalid card");
+  expect(() => getCardValue("4🎉")).toThrow("Invalid card");
+  expect(() => getCardValue("20♣")).toThrow("Invalid card");
+});
 // Suggestion: Group the remaining test data into these categories:
 //   Number Cards (2-10)
 //   Face Cards (J, Q, K)
 //   Invalid Cards
 
 // To learn how to test whether a function throws an error as expected in Jest,
 // please refer to the Jest documentation:
-// https://jestjs.io/docs/expect#tothrowerror
+// https://jestjs.io/docs/expecttothrowerror