Install npm and jest test ino the section of the course work begin the first course work test

Author: Jacknguyen4438

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

@@ -16,6 +16,20 @@
 
 function getAngleType(angle) {
   // TODO: Implement this function
+  switch (true) {
+    case (0 < angle && angle < 90):
+      return "Acute angle";
+    case (angle === 90):
+      return "Right angle";
+    case (90 < angle && angle < 180):
+      return "Obtuse angle";
+    case (angle === 180):
+      return "Straight angle";
+    case (180 < angle && angle < 360):
+      return "Reflex angle";
+    case (  angle <= 0 || angle >= 360) :
+      return "Invalid angle";
+  }
 }
 
 // The line below allows us to load the getAngleType function into tests in other files.
@@ -33,5 +47,30 @@ function assertEquals(actualOutput, targetOutput) {
 
 // TODO: Write tests to cover all cases, including boundary and invalid cases.
 // Example: Identify Right Angles
+// Acute angle
+const acute = getAngleType(45);
+assertEquals(acute, "Acute angle");
+
+// Right angle
 const right = getAngleType(90);
 assertEquals(right, "Right angle");
+
+// Obtuse angle
+const obtuse = getAngleType(120);
+assertEquals(obtuse, "Obtuse angle");
+
+// Straight angle
+const straight = getAngleType(180);
+assertEquals(straight, "Straight angle");
+
+// Reflex angle
+const reflex = getAngleType(270);
+assertEquals(reflex, "Reflex angle");
+
+// Invalid angle (below range)
+const invalidLow = getAngleType(0);
+assertEquals(invalidLow, "Invalid angle");
+
+// Invalid angle (above range)
+const invalidHigh = getAngleType(360);
+assertEquals(invalidHigh, "Invalid angle");