ELECTRON-32 Added unit test cases for activity detection (#84)

tests/activityDetection.test.js

@@ -0,0 +1,40 @@
+const activityDetection = require('../js/activityDetection/activityDetection.js');
+const electron = require('./__mocks__/electron');
+
+describe('Tests for Activity Detection', function() {
+
+    beforeAll(function () {
+        activityDetection.setActivityWindow(120000, electron.ipcRenderer);
+    });
+
+    it('should get user activity where user is not idle', function() {
+        const data = activityDetection.activityDetection();
+
+        expect(data.isUserIdle).toBe(false);
+        expect(data.systemIdleTime).toBeLessThan(120000);
+    });
+
+    it('should return null', function() {
+        const spy = jest.spyOn(activityDetection, 'activityDetection');
+        const data = activityDetection.activityDetection();
+
+        expect(spy).toHaveBeenCalled();
+        expect(data.isUserIdle).toBe(false);
+
+        activityDetection.setActivityWindow(0, electron.ipcRenderer);
+        const noData = activityDetection.activityDetection();
+        expect(noData).toBeNull();
+
+    });
+
+    it('should send activity event', function () {
+        const spy = jest.spyOn(activityDetection, 'send');
+
+        expect(spy).not.toBeCalled();
+
+        activityDetection.send({systemIdleTime: 120000});
+        expect(spy).toHaveBeenCalledWith({systemIdleTime: 120000});
+
+    });
+
+});