Implement getAngleType function and corresponding tests for angle classifications

Author: mervereis

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

@@ -15,7 +15,13 @@
 // execute the code to ensure all tests pass.
 
 function getAngleType(angle) {
-  // TODO: Implement this function
+  if (angle === 90) return "Right angle";
+  if (angle === 180) return "Straight angle";
+  if (angle > 0 && angle < 90) return "Acute angle";
+  if (angle > 90 && angle < 180) return "Obtuse angle";
+  if (angle > 180 && angle < 360) return "Reflex angle";
+
+  return "Invalid angle";
 }
 
 // The line below allows us to load the getAngleType function into tests in other files.
@@ -35,3 +41,24 @@ function assertEquals(actualOutput, targetOutput) {
 // Example: Identify Right Angles
 const right = getAngleType(90);
 assertEquals(right, "Right angle");
+
+const acute = getAngleType(50);
+assertEquals(acute, "Acute angle");
+
+const obtuse = getAngleType(130);
+assertEquals(obtuse, "Obtuse angle");
+
+const straight = getAngleType(180);
+assertEquals(straight, "Straight angle");
+
+const reflex = getAngleType(225);
+assertEquals(reflex, "Reflex angle");
+
+const invalidZero = getAngleType(0);
+assertEquals(invalidZero, "Invalid angle");
+
+const invalidNegative = getAngleType(-45);
+assertEquals(invalidNegative, "Invalid angle");
+
+const invalidOver = getAngleType(361);
+assertEquals(invalidOver, "Invalid angle");

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

@@ -9,12 +9,37 @@ const getAngleType = require("../implement/1-get-angle-type");
 test(`should return "Acute angle" when (0 < angle < 90)`, () => {
   // Test various acute angles, including boundary cases
   expect(getAngleType(1)).toEqual("Acute angle");
-  expect(getAngleType(45)).toEqual("Acute angle");
+  expect(getAngleType(50)).toEqual("Acute angle");
   expect(getAngleType(89)).toEqual("Acute angle");
 });
 
 // Case 2: Right angle
+test(`should return "Right angle" when angle is 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(130)).toEqual("Obtuse angle");
+  expect(getAngleType(179)).toEqual("Obtuse angle");
+});
+
 // Case 4: Straight angle
+test(`should return "Straight angle" when angle is 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(225)).toEqual("Reflex angle");
+  expect(getAngleType(359)).toEqual("Reflex angle");
+});
+
 // Case 6: Invalid angles
+test(`should return "Invalid angle" when angle is <= 0 or >= 360`, () => {
+  expect(getAngleType(0)).toEqual("Invalid angle");
+  expect(getAngleType(-45)).toEqual("Invalid angle");
+  expect(getAngleType(361)).toEqual("Invalid angle");
+});