test(draghandle): add basic tests #1552

example/src/index.tsx

@@ -26,6 +26,7 @@ import UseZoomPanHelper from './UseZoomPanHelper';
 import UseUpdateNodeInternals from './UseUpdateNodeInternals';
 import Undirectional from './Undirectional';
 import MultiFlows from './MultiFlows';
+import DragHandle from './DragHandle';
 
 import './index.css';
 
@@ -126,6 +127,10 @@ const routes = [
     path: '/multiflows',
     component: MultiFlows,
   },
+  {
+    path: '/draghandle',
+    component: DragHandle,
+  },
 ];
 
 const Header = withRouter(({ history, location }) => {