INTU-1187 | Add unit test for the gesture class

self/gestures/gesture.py

@@ -24,8 +24,12 @@ def __init__(self, gesture_id, instance_id):
 
     def get_gesture_id(self):
         ''' Return the gesture ID associated with this gesture '''
+        if self.gesture_id is None or self.gesture_id == '':
+            raise Exception('gesture_id should not be empty or None')
         return self.gesture_id
 
     def get_instance_id(self):
         ''' Return the instance ID associated with this gesture '''
+        if self.instance_id is None or self.instance_id == '':
+            raise Exception('instance_id should not be empty or None')
         return self.instance_id

tests/GestureTest.py

@@ -0,0 +1,40 @@
+''' Unit test for the Gesture class '''
+
+import unittest
+import sys
+sys.path.append('../')
+from self.gestures.gesture import Gesture
+
+class TestGesture(unittest.TestCase):
+    ''' A bunch of unit tests that test the basic functionality of the Gesture
+    class '''
+
+    def test_get_instance(self):
+        ''' Verify that the object gets instantiated correctly with default
+        values '''
+        test_gesture = Gesture(1, 2)
+        self.assertEqual(test_gesture.get_gesture_id(), 1)
+        self.assertEqual(test_gesture.get_instance_id(), 2)
+
+    def test_gesture_id_sanity(self):
+        ''' Should not allow a blank or None gesture ID to go unnoticed '''
+        test_gesture = Gesture(None, 2)
+        with self.assertRaises(Exception):
+            test_gesture.get_gesture_id()
+
+        test_gesture = Gesture('', 2)
+        with self.assertRaises(Exception):
+            test_gesture.get_gesture_id()
+
+    def test_instance_id_sanity(self):
+        ''' Should not allow a blank or None instance ID to go unnoticed '''
+        test_gesture = Gesture(1, None)
+        with self.assertRaises(Exception):
+            test_gesture.get_instance_id()
+
+        test_gesture = Gesture(1, '')
+        with self.assertRaises(Exception):
+            test_gesture.get_instance_id()
+
+if __name__ == '__main__':
+    unittest.main()