client side unit test for dialog onBackgroundMouseDown()

client/core/src/dialog/dialog.spec.js

@@ -122,4 +122,40 @@ describe('Component vnDialog', () => {
             expect(controller.fireResponse).toHaveBeenCalledWith('I am the response!');
         });
     });
+
+    describe('onDialogMouseDown()', () => {
+        it(`should set controller's lastEvent property`, () => {
+            let controller = $componentController('vnDialog', {$element});
+            controller.element = document.createElement('div');
+            let event = {target: controller.element};
+            controller.onDialogMouseDown(event);
+
+            expect(controller.lastEvent).toEqual(event);
+        });
+    });
+
+    describe('onBackgroundMouseDown()', () => {
+        it(`shouldn't call hide() function as event equals lastEvent`, () => {
+            let controller = $componentController('vnDialog', {$element});
+            controller.element = document.createElement('div');
+            let event = {target: controller.element};
+            controller.lastEvent = event;
+            spyOn(controller, 'hide');
+            controller.onBackgroundMouseDown(event);
+
+            expect(controller.hide).not.toHaveBeenCalledWith();
+        });
+
+        it(`should call hide() function as event doesn't equal lastEvent`, () => {
+            let controller = $componentController('vnDialog', {$element});
+            controller.element = document.createElement('div');
+            let event = {target: controller.element};
+            controller.lastEvent = event;
+            controller.lastEvent = 'the singularity event!';
+            spyOn(controller, 'hide');
+            controller.onBackgroundMouseDown(event);
+
+            expect(controller.hide).toHaveBeenCalledWith();
+        });
+    });
 });