Implement angle type function and tests

Author: gideondefar

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

@@ -15,9 +15,28 @@
 // execute the code to ensure all tests pass.
 
 function getAngleType(angle) {
-  // TODO: Implement this function
-}
+  if (angle > 0 && angle < 90) {
+    return "Acute angle";
+  }
+
+  if (angle === 90) {
+    return "Right angle";
+  }
+
+  if (angle > 90 && angle < 180) {
+    return "Obtuse angle";
+  }
+
+  if (angle === 180) {
+    return "Straight 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.
 // This will be useful in the "rewrite tests with jest" step.
 module.exports = getAngleType;
@@ -33,5 +52,33 @@ 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");
+// const right = getAngleType(90);
+// assertEquals(right, "Right angle");
+
+
+// Acute angles
+assertEquals(getAngleType(1), "Acute angle");
+assertEquals(getAngleType(45), "Acute angle");
+assertEquals(getAngleType(89), "Acute angle");
+
+// Right angle
+assertEquals(getAngleType(90), "Right angle");
+
+// Obtuse angles
+assertEquals(getAngleType(91), "Obtuse angle");
+assertEquals(getAngleType(135), "Obtuse angle");
+assertEquals(getAngleType(179), "Obtuse angle");
+
+// Straight angle
+assertEquals(getAngleType(180), "Straight angle");
+
+// Reflex angles
+assertEquals(getAngleType(181), "Reflex angle");
+assertEquals(getAngleType(270), "Reflex angle");
+assertEquals(getAngleType(359), "Reflex angle");
+
+// Invalid angles
+assertEquals(getAngleType(0), "Invalid angle");
+assertEquals(getAngleType(-1), "Invalid angle");
+assertEquals(getAngleType(360), "Invalid angle");
+assertEquals(getAngleType(400), "Invalid angle");