fix: fix test.

Signed-off-by: xsahil03x <[email protected]>

packages/stream_chat_flutter/lib/src/message_list_view/floating_date_divider.dart

@@ -1,3 +1,4 @@
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:stream_chat_flutter/scrollable_positioned_list/scrollable_positioned_list.dart';
 import 'package:stream_chat_flutter/src/message_list_view/mlv_utils.dart';
@@ -22,7 +23,7 @@ class FloatingDateDivider extends StatelessWidget {
   final bool isThreadConversation;
 
   // ignore: public_member_api_docs
-  final ItemPositionsListener itemPositionListener;
+  final ValueListenable<Iterable<ItemPosition>> itemPositionListener;
 
   // ignore: public_member_api_docs
   final bool reverse;
@@ -38,9 +39,8 @@ class FloatingDateDivider extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final itemPositions = itemPositionListener.itemPositions;
     return ValueListenableBuilder(
-      valueListenable: itemPositions,
+      valueListenable: itemPositionListener,
       builder: (context, positions, child) {
         if (positions.isEmpty || messages.isEmpty) {
           return const Offstage();

packages/stream_chat_flutter/lib/src/message_list_view/message_list_view.dart

@@ -817,7 +817,7 @@ class _StreamMessageListViewState extends State<StreamMessageListView> {
             child: FloatingDateDivider(
               itemCount: itemCount,
               reverse: widget.reverse,
-              itemPositionListener: _itemPositionListener,
+              itemPositionListener: _itemPositionListener.itemPositions,
               messages: messages,
               dateDividerBuilder: widget.dateDividerBuilder,
               isThreadConversation: _isThreadConversation,

packages/stream_chat_flutter/test/src/message_list_view/floating_date_divider_test.dart

@@ -1,11 +1,32 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:mocktail/mocktail.dart';
 import 'package:stream_chat_flutter/scrollable_positioned_list/scrollable_positioned_list.dart';
 import 'package:stream_chat_flutter/src/message_list_view/floating_date_divider.dart';
 import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 
+import '../mocks.dart';
+
 void main() {
   testWidgets('FloatingDateDivider', (tester) async {
+    final client = MockClient();
+    final clientState = MockClientState();
+
+    when(() => client.state).thenReturn(clientState);
+    when(() => clientState.currentUser).thenReturn(OwnUser(id: 'user-id'));
+
+    final createdAt = DateTime.now();
+
+    final itemPositionsListener = ValueNotifier(
+      [
+        const ItemPosition(
+          index: 0,
+          itemLeadingEdge: 0,
+          itemTrailingEdge: 0,
+        ),
+      ],
+    );
+
     await tester.pumpWidget(
       MaterialApp(
         home: Scaffold(
@@ -14,12 +35,9 @@ void main() {
               FloatingDateDivider(
                 reverse: false,
                 itemCount: 3,
-                itemPositionListener: ItemPositionsListener.create(),
+                itemPositionListener: itemPositionsListener,
-                messages: [
+                messages: [Message(createdAt: createdAt)],
-                  Message(),
+                dateDividerBuilder: (dateTime) => Text('$dateTime'),
-                  Message(),
-                  Message(),
-                ],
               ),
             ],
           ),
@@ -27,6 +45,6 @@ void main() {
       ),
     );
 
-    expect(find.byType(Positioned), findsOneWidget);
+    expect(find.text('$createdAt'), findsOneWidget);
   });
 }