London | 25 -ITP-May | Dagim Daniel | Sprint 3 | implement and rewrite-test with jest

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
+    {
+  return "Invalid angle";
+  }
 }
 
 // The line below allows us to load the getAngleType function into tests in other files.
@@ -35,3 +59,30 @@ function assertEquals(actualOutput, targetOutput) {
 // Example: Identify Right Angles
 const right = getAngleType(90);
 assertEquals(right, "Right angle");
+
+const acute = getAngleType(1);
+assertEquals(acute,"Acute angle");
+
+const obtuse = getAngleType(90.5);
+assertEquals(obtuse,"Obtuse angle");
+
+const straight = getAngleType(180);
+assertEquals(straight,"Straight angle");
+
+const reflex = getAngleType(359.9);
+assertEquals(reflex,"Reflex angle");
+
+const invalid = getAngleType(380);
+assertEquals(invalid,"Invalid angle");
+
+const straight2 = getAngleType(180);
+assertEquals(straight2,"Straight angle");
+
+const invalid2 = getAngleType(360);
+assertEquals(invalid2,"Invalid angle");
+
+const acute2 = getAngleType(0.1);
+assertEquals(acute2,"Acute angle");
+
+const invalid3 = getAngleType(0);
+assertEquals(invalid3,"Invalid angle");

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

@@ -12,8 +12,10 @@
 
 function isProperFraction(numerator, denominator) {
   // TODO: Implement this function
+  numerator = Math.abs(numerator);
+  denominator = Math.abs(denominator);
+  return numerator < denominator;
 }
-
 // The line below allows us to load the isProperFraction function into tests in other files.
 // This will be useful in the "rewrite tests with jest" step.
 module.exports = isProperFraction;
@@ -29,5 +31,12 @@ function assertEquals(actualOutput, targetOutput) {
 // TODO: Write tests to cover all cases.
 // What combinations of numerators and denominators should you test?
 
-// Example: 1/2 is a proper fraction
+// Example: 1/2 is a proper fraction.
 assertEquals(isProperFraction(1, 2), true);
+
+assertEquals(isProperFraction(1, 1), false);
+assertEquals(isProperFraction(40234, 98543), true);
+assertEquals(isProperFraction(2, 1), false);
+assertEquals(isProperFraction(-10, -1), false);
+assertEquals(isProperFraction(-1, -10), true);
+assertEquals(isProperFraction(1.5, 1), false);

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

@@ -23,6 +23,31 @@
 
 function getCardValue(card) {
   // TODO: Implement this function
+  const value = card.slice(0, -1).toUpperCase();
+  const validSuits = "♠,♥,♦,♣".split(",");
+  const suit = card.slice(-1);
+
+  if (!validSuits.includes(suit)) {
+    throw new Error("Invalid card");
+  }
+
+  const faceCardValues = { A: 11, J: 10, Q: 10, K: 10 };
+
+  if (
+    faceCardValues[value] === undefined &&
+    (Number(value) < 2 || Number(value) > 10)
+  ) {
+    throw new Error("Invalid card");
+  }
+
+  if (faceCardValues[value] !== undefined) {
+    return faceCardValues[value];
+  }
+
+  const numvalue = Number(value);
+  if (numvalue >= 2 && numvalue <= 10) {
+    return numvalue;
+  }
 }
 
 // The line below allows us to load the getCardValue function into tests in other files.
@@ -41,6 +66,13 @@ function assertEquals(actualOutput, targetOutput) {
 // Examples:
 assertEquals(getCardValue("9♠"), 9);
 
+assertEquals(getCardValue("A♥"), 11);
+assertEquals(getCardValue("10♠"), 10);
+
+assertEquals(getCardValue("2♠"), 2);
+assertEquals(getCardValue("K♠"), 10);
+assertEquals(getCardValue("q♦"), 10);
+assertEquals(getCardValue("J♣"), 10);
 // Handling invalid cards
 try {
   getCardValue("invalid");

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

@@ -14,7 +14,37 @@ test(`should return "Acute angle" when (0 < angle < 90)`, () => {
 });
 
 // Case 2: Right angle
+test(`should return "Right angle" when (Angle ===90)`, () => {
+  // Test various acute angles, including boundary cases
+  expect(getAngleType(90)).toEqual("Right angle");
+
+});
+
 // Case 3: Obtuse angles
+test(`should return "Obtuse angle" when ( 90 < angle < 180)`, () => {
+  // Test various acute angles, including boundary cases
+  expect(getAngleType(91)).toEqual("Obtuse angle");
+  expect(getAngleType(125)).toEqual("Obtuse angle");
+  expect(getAngleType(179)).toEqual("Obtuse angle");
+});
+
 // Case 4: Straight angle
+test(`should return "Straight angle" when (angle === 180)`, () => {
+  // Test various acute angles, including boundary cases
+  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(270)).toEqual("Reflex angle");
+  expect(getAngleType(359)).toEqual("Reflex angle");
+});
 // Case 6: Invalid angles
+test(`should return "Invalid angle" when (angle < 0 || angle > 360)`, () => {
+  // Test various invalid angles
+  expect(getAngleType(-1)).toEqual("Invalid angle");
+  expect(getAngleType(361)).toEqual("Invalid angle");
+  expect(getAngleType(0)).toEqual("Invalid angle");
+});
+

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

@@ -3,8 +3,24 @@
 const isProperFraction = require("../implement/2-is-proper-fraction");
 
 // TODO: Write tests in Jest syntax to cover all combinations of positives, negatives, zeros, and other categories.
+test(`should return True when denominator is positive and  less than numerator`, () => {
+  expect(isProperFraction(1, 2)).toEqual(true);
+  expect(isProperFraction(-1, 2)).toEqual(true );
+  expect(isProperFraction(1, 10)).toEqual(true);
+});
+
+test(`should return false when denominator is less than numerator`, () => {
+  expect(isProperFraction(22, 20)).toEqual(false);
+  expect(isProperFraction(11, 10)).toEqual(false);
+});
+
+test(`should return false when denominator and numerator are equal`, () => {
+  expect(isProperFraction(1, 1)).toEqual(false);
+  expect(isProperFraction(-1, -1)).toEqual(false);
+});
 
 // Special case: numerator is zero
 test(`should return false when denominator is zero`, () => {
   expect(isProperFraction(1, 0)).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

@@ -11,9 +11,34 @@ test(`Should return 11 when given an ace card`, () => {
 
 // Suggestion: Group the remaining test data into these categories:
 //   Number Cards (2-10)
+test(`Should return 10 when given a number card`, () => {
+  expect(getCardValue("2♠")).toEqual(2);
+  expect(getCardValue("3♦")).toEqual(3);
+  expect(getCardValue("4♣")).toEqual(4);
+  expect(getCardValue("5♠")).toEqual(5);
+  expect(getCardValue("6♦")).toEqual(6);
+  expect(getCardValue("7♣")).toEqual(7);
+  expect(getCardValue("8♠")).toEqual(8);
+  expect(getCardValue("9♦")).toEqual(9);
+  expect(getCardValue("10♣")).toEqual(10);
+});
 //   Face Cards (J, Q, K)
-//   Invalid Cards
+test(`Should return 10 when given a number card`, () => {
+  expect(getCardValue("K♠")).toEqual(10);
+  expect(getCardValue("q♦")).toEqual(10);
+  expect(getCardValue("J♣")).toEqual(10);
+});
 
+//   Invalid Cards
+test(`Should return Invalid Cards when given invalid inputs`, () => {
+  expect(() => getCardValue("")).toThrow();
+  expect(() => getCardValue("11")).toThrow();
+  expect(() => getCardValue("♠10")).toThrow();
+  expect(() => getCardValue("invalid")).toThrow();
+  expect(() => getCardValue("♠1")).toThrow();
+  expect(() => getCardValue("ab")).toThrow();
+
+});
 // 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