Merge remote-tracking branch 'origin/fix/message-search-pagination' into fix/message-search-pagination

packages/stream_chat_flutter/lib/src/message_search_list_view.dart

@@ -58,7 +58,7 @@ class MessageSearchListView extends StatefulWidget {
     required this.filters,
     this.messageQuery,
     this.sortOptions,
-    this.paginationParams,
+    this.paginationParams = const PaginationParams(limit: 30),
     this.messageFilters,
     this.separatorBuilder,
     this.itemBuilder,
@@ -93,7 +93,7 @@ class MessageSearchListView extends StatefulWidget {
   /// limit: the number of users to return (max is 30)
   /// offset: the offset (max is 1000)
   /// message_limit: how many messages should be included to each channel
-  final PaginationParams? paginationParams;
+  final PaginationParams paginationParams;
 
   /// The message query filters to use.
   /// You can query on any of the custom fields you've defined on the [Channel].

packages/stream_chat_flutter/lib/src/user_list_view.dart

@@ -51,7 +51,7 @@ class UserListView extends StatefulWidget {
     this.filter,
     this.sort,
     this.presence,
-    this.pagination,
+    this.pagination = const PaginationParams(limit: 30),
     this.onUserTap,
     this.onUserLongPress,
     this.userWidget,
@@ -93,7 +93,7 @@ class UserListView extends StatefulWidget {
   /// limit: the number of users to return (max is 30)
   /// offset: the offset (max is 1000)
   /// message_limit: how many messages should be included to each channel
-  final PaginationParams? pagination;
+  final PaginationParams pagination;
 
   /// Function called when tapping on a channel
   /// By default it calls [Navigator.push] building a [MaterialPageRoute]

packages/stream_chat_flutter_core/lib/src/message_search_bloc.dart

@@ -65,6 +65,8 @@ class MessageSearchBlocState extends State<MessageSearchBloc>
   Stream<bool> get queryMessagesLoading =>
       _queryMessagesLoadingController.stream;
 
+  bool _paginationEnded = false;
+
   /// Calls [StreamChatClient.search] updating
   /// [messagesStream] and [queryMessagesLoading] stream
   Future<void> search({
@@ -72,24 +74,31 @@ class MessageSearchBlocState extends State<MessageSearchBloc>
     Filter? messageFilter,
     List<SortOption>? sort,
     String? query,
-    PaginationParams? pagination,
+    PaginationParams pagination = const PaginationParams(limit: 30),
   }) async {
     final client = _streamChatCoreState.client;
 
-    if (_queryMessagesLoadingController.value == true) return;
+    var clear = false;
+    if (sort != null) {
+      clear |= pagination.next == null;
+    } else {
+      final offset = pagination.offset;
+      clear |= offset == null || offset == 0;
+    }
+
+    if (clear && _paginationEnded) {
+      _paginationEnded = false;
+    }
+
+    if ((!clear && _paginationEnded) ||
+        _queryMessagesLoadingController.value == true) {
+      return;
+    }
 
     if (_messageResponses.hasValue) {
       _queryMessagesLoadingController.add(true);
     }
     try {
-      var clear = pagination == null;
-      if (sort != null) {
-        clear |= pagination?.next == null;
-      } else {
-        final offset = pagination?.offset;
-        clear |= offset == null || offset == 0;
-      }
-
       final oldMessages = List<GetMessageResponse>.from(messageResponses ?? []);
 
       final response = await client.search(
@@ -110,15 +119,19 @@ class MessageSearchBlocState extends State<MessageSearchBloc>
           ? previous
           : /*reset previousId if we get nothing*/ null;
 
+      final newMessages = response.results;
       if (clear) {
-        _messageResponses.add(response.results);
+        _messageResponses.add(newMessages);
       } else {
-        final temp = oldMessages + response.results;
+        final temp = oldMessages + newMessages;
         _messageResponses.add(temp);
       }
       if (_messageResponses.hasValue && _queryMessagesLoadingController.value) {
         _queryMessagesLoadingController.add(false);
       }
+      if (newMessages.isEmpty || newMessages.length < pagination.limit) {
+        _paginationEnded = true;
+      }
     } catch (e, stk) {
       // reset loading controller
       _queryMessagesLoadingController.add(false);

packages/stream_chat_flutter_core/lib/src/message_search_list_core.dart

@@ -47,7 +47,7 @@ class MessageSearchListCore extends StatefulWidget {
     required this.filters,
     this.messageQuery,
     this.sortOptions,
-    this.paginationParams,
+    this.paginationParams = const PaginationParams(limit: 30),
     this.messageFilters,
     this.messageSearchListController,
   })  : assert(
@@ -84,7 +84,7 @@ class MessageSearchListCore extends StatefulWidget {
   /// Pagination parameters
   /// limit: the number of messages to return (max is 30)
   /// offset: the offset (max is 1000)
-  final PaginationParams? paginationParams;
+  final PaginationParams paginationParams;
 
   /// The message query filters to use.
   /// You can query on any of the custom fields you've defined on the [Channel].
@@ -163,13 +163,13 @@ class MessageSearchListCoreState extends State<MessageSearchListCore> {
 
   /// Fetches more messages with updated pagination and updates the widget
   Future<void> paginateData() {
-    PaginationParams? pagination;
+    PaginationParams pagination;
     if (widget.sortOptions != null) {
-      pagination = widget.paginationParams?.copyWith(
+      pagination = widget.paginationParams.copyWith(
         next: _messageSearchBloc?.nextId,
       );
     } else {
-      pagination = widget.paginationParams?.copyWith(
+      pagination = widget.paginationParams.copyWith(
         offset: _messageSearchBloc?.messageResponses?.length,
       );
     }
@@ -190,8 +190,8 @@ class MessageSearchListCoreState extends State<MessageSearchListCore> {
         widget.messageQuery?.toString() != oldWidget.messageQuery?.toString() ||
         widget.messageFilters?.toString() !=
             oldWidget.messageFilters?.toString() ||
-        widget.paginationParams?.toJson().toString() !=
+        widget.paginationParams.toJson().toString() !=
-            oldWidget.paginationParams?.toJson().toString()) {
+            oldWidget.paginationParams.toJson().toString()) {
       loadData();
     }
 

packages/stream_chat_flutter_core/lib/src/user_list_core.dart

@@ -66,7 +66,7 @@ class UserListCore extends StatefulWidget {
     this.filter,
     this.sort,
     this.presence,
-    this.pagination,
+    this.pagination = const PaginationParams(limit: 30),
     this.groupAlphabetically = false,
     this.userListController,
   }) : super(key: key);
@@ -106,7 +106,7 @@ class UserListCore extends StatefulWidget {
   /// limit: the number of users to return (max is 30)
   /// offset: the offset (max is 1000)
   /// message_limit: how many messages should be included to each channel
-  final PaginationParams? pagination;
+  final PaginationParams pagination;
 
   /// Set it to true to group users by their first character
   ///
@@ -201,7 +201,7 @@ class UserListCoreState extends State<UserListCore>
         filter: widget.filter,
         sort: widget.sort,
         presence: widget.presence,
-        pagination: widget.pagination!.copyWith(
+        pagination: widget.pagination.copyWith(
           offset: _usersBloc!.users?.length ?? 0,
         ),
       );
@@ -212,8 +212,8 @@ class UserListCoreState extends State<UserListCore>
     if (widget.filter?.toString() != oldWidget.filter?.toString() ||
         jsonEncode(widget.sort) != jsonEncode(oldWidget.sort) ||
         widget.presence != oldWidget.presence ||
-        widget.pagination?.toJson().toString() !=
+        widget.pagination.toJson().toString() !=
-            oldWidget.pagination?.toJson().toString()) {
+            oldWidget.pagination.toJson().toString()) {
       loadData();
     }
 

packages/stream_chat_flutter_core/lib/src/users_bloc.dart

@@ -57,6 +57,8 @@ class UsersBlocState extends State<UsersBloc>
 
   late StreamChatCoreState _streamChatCore;
 
+  bool _paginationEnded = false;
+
   /// The Query Users method allows you to search for users and see if they are
   /// online/offline.
   /// [API Reference](https://getstream.io/chat/docs/flutter-dart/query_users/?language=dart)
@@ -64,21 +66,27 @@ class UsersBlocState extends State<UsersBloc>
     Filter? filter,
     List<SortOption>? sort,
     bool? presence,
-    PaginationParams? pagination,
+    PaginationParams pagination = const PaginationParams(limit: 30),
   }) async {
     final client = _streamChatCore.client;
 
-    if (_queryUsersLoadingController.value == true) return;
+    final offset = pagination.offset;
+    final clear = offset == null || offset == 0;
+
+    if (clear && _paginationEnded) {
+      _paginationEnded = false;
+    }
+
+    if ((!clear && _paginationEnded) ||
+        _queryUsersLoadingController.value == true) {
+      return;
+    }
 
     if (_usersController.hasValue) {
       _queryUsersLoadingController.add(true);
     }
 
     try {
-      final clear = pagination == null ||
-          pagination.offset == null ||
-          pagination.offset == 0;
-
       final oldUsers = List<User>.from(users ?? []);
 
       final usersResponse = await client.queryUsers(
@@ -88,6 +96,7 @@ class UsersBlocState extends State<UsersBloc>
         pagination: pagination,
       );
 
+      final newUsers = usersResponse.users;
       if (clear) {
         _usersController.add(usersResponse.users);
       } else {
@@ -97,6 +106,9 @@ class UsersBlocState extends State<UsersBloc>
       if (_usersController.hasValue && _queryUsersLoadingController.value) {
         _queryUsersLoadingController.add(false);
       }
+      if (newUsers.isEmpty || newUsers.length < pagination.limit) {
+        _paginationEnded = true;
+      }
     } catch (e, stk) {
       // reset loading controller
       _queryUsersLoadingController.add(false);

packages/stream_chat_flutter_core/test/message_search_bloc_test.dart

@@ -31,8 +31,7 @@ void main() {
       );
 
   testWidgets(
-    'messageSearchBlocState.search() should throw if used where '
+    '''messageSearchBlocState.search() should throw if used where StreamChat is not present in the widget tree''',
-    'StreamChat is not present in the widget tree',
     (tester) async {
       const messageSearchBloc = MessageSearchBloc(
         child: Offstage(),
@@ -98,8 +97,7 @@ void main() {
   );
 
   testWidgets(
-    'messageSearchBlocState.messagesStream should emit error '
+    '''messageSearchBlocState.messagesStream should emit error if client.search() throws''',
-    'if client.search() throws',
     (tester) async {
       const messageSearchBlocKey = Key('messageSearchBloc');
       const childKey = Key('child');
@@ -147,9 +145,7 @@ void main() {
   );
 
   testWidgets(
-    'calling messageSearchBlocState.search() again with an offset '
+    '''calling messageSearchBlocState.search() again with an offset should emit new data through messagesStream and also emit loading state through queryMessagesLoading''',
-    'should emit new data through messagesStream and also emit loading state '
-    'through queryMessagesLoading',
     (tester) async {
       const messageSearchBlocKey = Key('messageSearchBloc');
       const childKey = Key('child');
@@ -171,14 +167,15 @@ void main() {
         find.byKey(messageSearchBlocKey),
       );
 
-      final messageResponseList = _generateMessages();
+      const pagination = PaginationParams(limit: 25);
+      final messageResponseList = _generateMessages(count: 25);
 
       when(() => mockClient.search(
             testFilter,
             query: any(named: 'query'),
             sort: any(named: 'sort'),
             messageFilters: any(named: 'messageFilters'),
-            paginationParams: any(named: 'paginationParams'),
+            paginationParams: pagination,
           )).thenAnswer(
         (_) async => SearchMessagesResponse()
           ..results = messageResponseList
@@ -186,7 +183,7 @@ void main() {
           ..previous = null,
       );
 
-      messageSearchBlocState.search(filter: testFilter);
+      messageSearchBlocState.search(pagination: pagination, filter: testFilter);
 
       await expectLater(
         messageSearchBlocState.messagesStream,
@@ -198,19 +195,19 @@ void main() {
             query: any(named: 'query'),
             sort: any(named: 'sort'),
             messageFilters: any(named: 'messageFilters'),
-            paginationParams: any(named: 'paginationParams'),
+            paginationParams: pagination,
           )).called(1);
 
       final offset = messageResponseList.length;
       final paginatedMessageResponseList = _generateMessages(offset: offset);
-      final pagination = PaginationParams(offset: offset);
+      final newPagination = pagination.copyWith(offset: offset);
 
       when(() => mockClient.search(
             testFilter,
             query: any(named: 'query'),
             sort: any(named: 'sort'),
             messageFilters: any(named: 'messageFilters'),
-            paginationParams: pagination,
+            paginationParams: newPagination,
           )).thenAnswer(
         (_) async => SearchMessagesResponse()
           ..results = paginatedMessageResponseList
@@ -244,9 +241,7 @@ void main() {
   );
 
   testWidgets(
-    'calling messageSearchBlocState.search() again with an offset '
+    '''calling messageSearchBlocState.search() again with an offset should emit error through queryUsersLoading if client.search() throws''',
-    'should emit error through queryUsersLoading if '
-    'client.search() throws',
     (tester) async {
       const messageSearchBlocKey = Key('messageSearchBloc');
       const childKey = Key('child');
@@ -268,14 +263,15 @@ void main() {
         find.byKey(messageSearchBlocKey),
       );
 
-      final messageResponseList = _generateMessages();
+      const pagination = PaginationParams(limit: 25);
+      final messageResponseList = _generateMessages(count: 25);
 
       when(() => mockClient.search(
             testFilter,
             query: any(named: 'query'),
             sort: any(named: 'sort'),
             messageFilters: any(named: 'messageFilters'),
-            paginationParams: any(named: 'paginationParams'),
+            paginationParams: pagination,
           )).thenAnswer(
         (_) async => SearchMessagesResponse()
           ..results = messageResponseList
@@ -283,7 +279,7 @@ void main() {
           ..previous = null,
       );
 
-      messageSearchBlocState.search(filter: testFilter);
+      messageSearchBlocState.search(pagination: pagination, filter: testFilter);
 
       await expectLater(
         messageSearchBlocState.messagesStream,
@@ -295,11 +291,11 @@ void main() {
             query: any(named: 'query'),
             sort: any(named: 'sort'),
             messageFilters: any(named: 'messageFilters'),
-            paginationParams: any(named: 'paginationParams'),
+            paginationParams: pagination,
           )).called(1);
 
       final offset = messageResponseList.length;
-      final pagination = PaginationParams(offset: offset);
+      final newPagination = pagination.copyWith(offset: offset);
 
       const error = 'Error! Error! Error!';
       when(() => mockClient.search(
@@ -307,10 +303,13 @@ void main() {
             query: any(named: 'query'),
             sort: any(named: 'sort'),
             messageFilters: any(named: 'messageFilters'),
-            paginationParams: pagination,
+            paginationParams: newPagination,
           )).thenThrow(error);
 
-      messageSearchBlocState.search(pagination: pagination, filter: testFilter);
+      messageSearchBlocState.search(
+        pagination: newPagination,
+        filter: testFilter,
+      );
 
       await expectLater(
         messageSearchBlocState.queryMessagesLoading,
@@ -322,8 +321,80 @@ void main() {
             query: any(named: 'query'),
             sort: any(named: 'sort'),
             messageFilters: any(named: 'messageFilters'),
-            paginationParams: pagination,
+            paginationParams: newPagination,
           )).called(1);
     },
   );
+
+  testWidgets(
+    '''calling messageSearchBlocState.search() again with an offset should do nothing and return if pagination is completed''',
+    (tester) async {
+      const messageSearchBlocKey = Key('messageSearchBloc');
+      const childKey = Key('child');
+      const messageSearchBloc = MessageSearchBloc(
+        key: messageSearchBlocKey,
+        child: Offstage(key: childKey),
+      );
+
+      final mockClient = MockClient();
+
+      await tester.pumpWidget(
+        StreamChatCore(
+          client: mockClient,
+          child: messageSearchBloc,
+        ),
+      );
+
+      final messageSearchBlocState = tester.state<MessageSearchBlocState>(
+        find.byKey(messageSearchBlocKey),
+      );
+
+      const pagination = PaginationParams(limit: 25);
+
+      final messageResponseList = _generateMessages(count: 20);
+
+      when(() => mockClient.search(
+            testFilter,
+            query: any(named: 'query'),
+            sort: any(named: 'sort'),
+            messageFilters: any(named: 'messageFilters'),
+            paginationParams: pagination,
+          )).thenAnswer(
+        (_) async => SearchMessagesResponse()
+          ..results = messageResponseList
+          ..next = null
+          ..previous = null,
+      );
+
+      messageSearchBlocState.search(pagination: pagination, filter: testFilter);
+
+      await expectLater(
+        messageSearchBlocState.messagesStream,
+        emits(isSameMessageResponseListAs(messageResponseList)),
+      );
+
+      verify(() => mockClient.search(
+            testFilter,
+            query: any(named: 'query'),
+            sort: any(named: 'sort'),
+            messageFilters: any(named: 'messageFilters'),
+            paginationParams: pagination,
+          )).called(1);
+
+      final offset = messageResponseList.length;
+      final newPagination = pagination.copyWith(offset: offset);
+
+      messageSearchBlocState.search(
+        filter: testFilter,
+        pagination: newPagination,
+      );
+
+      // should emit nothing.
+      await expectLater(
+        // skipping the initial data (behaviorSubject).
+        messageSearchBlocState.messagesStream.skip(1),
+        emitsInOrder([]),
+      );
+    },
+  );
 }

packages/stream_chat_flutter_core/test/message_search_list_core_test.dart

@@ -322,7 +322,7 @@ void main() {
     (tester) async {
       const messageSearchListCoreKey = Key('messageSearchListCore');
       const childWidgetKey = Key('childWidget');
-      const pagination = PaginationParams();
+      const pagination = PaginationParams(limit: 25);
       final messageSearchListCore = MessageSearchListCore(
         key: messageSearchListCoreKey,
         childBuilder: (List<GetMessageResponse> messages) => Container(
@@ -341,7 +341,7 @@ void main() {
 
       final mockClient = MockClient();
 
-      final messageResponseList = _generateMessages();
+      final messageResponseList = _generateMessages(count: 25);
       when(() => mockClient.search(
             testFilter,
             query: any(named: 'query'),

packages/stream_chat_flutter_core/test/user_list_core_test.dart

@@ -321,7 +321,7 @@ void main() {
     (tester) async {
       const userListCoreKey = Key('userListCore');
       const listWidgetKey = Key('listWidget');
-      const pagination = PaginationParams();
+      const pagination = PaginationParams(limit: 15);
       final userListCore = UserListCore(
         key: userListCoreKey,
         listBuilder: (_, items) => Container(
@@ -347,7 +347,7 @@ void main() {
 
       final mockClient = MockClient();
 
-      final users = _generateUsers();
+      final users = _generateUsers(count: 15);
       when(() => mockClient.queryUsers(
             filter: any(named: 'filter'),
             sort: any(named: 'sort'),

packages/stream_chat_flutter_core/test/users_bloc_test.dart

@@ -164,16 +164,17 @@ void main() {
         find.byKey(usersBlocKey),
       );
 
-      final users = _generateUsers();
+      const pagination = PaginationParams(limit: 25);
+      final users = _generateUsers(count: 25);
 
       when(() => mockClient.queryUsers(
             filter: any(named: 'filter'),
             sort: any(named: 'sort'),
             presence: any(named: 'presence'),
-            pagination: any(named: 'pagination'),
+            pagination: pagination,
           )).thenAnswer((_) async => QueryUsersResponse()..users = users);
 
-      usersBlocState.queryUsers();
+      usersBlocState.queryUsers(pagination: pagination);
 
       await expectLater(
         usersBlocState.usersStream,
@@ -184,23 +185,23 @@ void main() {
             filter: any(named: 'filter'),
             sort: any(named: 'sort'),
             presence: any(named: 'presence'),
-            pagination: any(named: 'pagination'),
+            pagination: pagination,
           )).called(1);
 
       final offset = users.length;
       final paginatedUsers = _generateUsers(offset: offset);
-      final pagination = PaginationParams(offset: offset);
+      final newPagination = pagination.copyWith(offset: offset);
 
       when(() => mockClient.queryUsers(
-                filter: any(named: 'filter'),
+            filter: any(named: 'filter'),
-                sort: any(named: 'sort'),
+            sort: any(named: 'sort'),
-                presence: any(named: 'presence'),
+            presence: any(named: 'presence'),
-                pagination: pagination,
+            pagination: newPagination,
-              ))
+          )).thenAnswer(
-          .thenAnswer(
+        (_) async => QueryUsersResponse()..users = paginatedUsers,
-              (_) async => QueryUsersResponse()..users = paginatedUsers);
+      );
 
-      usersBlocState.queryUsers(pagination: pagination);
+      usersBlocState.queryUsers(pagination: newPagination);
 
       await Future.wait([
         expectLater(
@@ -217,7 +218,7 @@ void main() {
             filter: any(named: 'filter'),
             sort: any(named: 'sort'),
             presence: any(named: 'presence'),
-            pagination: pagination,
+            pagination: newPagination,
           )).called(1);
     },
   );
@@ -247,13 +248,89 @@ void main() {
         find.byKey(usersBlocKey),
       );
 
-      final users = _generateUsers();
+      const pagination = PaginationParams(limit: 25);
+      final users = _generateUsers(count: 25);
 
       when(() => mockClient.queryUsers(
             filter: any(named: 'filter'),
             sort: any(named: 'sort'),
             presence: any(named: 'presence'),
-            pagination: any(named: 'pagination'),
+            pagination: pagination,
+          )).thenAnswer((_) async => QueryUsersResponse()..users = users);
+
+      usersBlocState.queryUsers(pagination: pagination);
+
+      await expectLater(
+        usersBlocState.usersStream,
+        emits(isSameUserListAs(users)),
+      );
+
+      verify(() => mockClient.queryUsers(
+            filter: any(named: 'filter'),
+            sort: any(named: 'sort'),
+            presence: any(named: 'presence'),
+            pagination: pagination,
+          )).called(1);
+
+      final offset = users.length;
+      final newPagination = pagination.copyWith(offset: offset);
+
+      const error = 'Error! Error! Error!';
+
+      when(() => mockClient.queryUsers(
+            filter: any(named: 'filter'),
+            sort: any(named: 'sort'),
+            presence: any(named: 'presence'),
+            pagination: newPagination,
+          )).thenThrow(error);
+
+      usersBlocState.queryUsers(pagination: newPagination);
+
+      await expectLater(
+        usersBlocState.queryUsersLoading,
+        emitsError(error),
+      );
+
+      verify(() => mockClient.queryUsers(
+            filter: any(named: 'filter'),
+            sort: any(named: 'sort'),
+            presence: any(named: 'presence'),
+            pagination: newPagination,
+          )).called(1);
+    },
+  );
+
+  testWidgets(
+    '''calling usersBlocState.queryUsers() again with an offset should do nothing and return if pagination is completed''',
+    (tester) async {
+      const usersBlocKey = Key('usersBloc');
+      const childKey = Key('child');
+      const usersBloc = UsersBloc(
+        key: usersBlocKey,
+        child: Offstage(key: childKey),
+      );
+
+      final mockClient = MockClient();
+
+      await tester.pumpWidget(
+        StreamChatCore(
+          client: mockClient,
+          child: usersBloc,
+        ),
+      );
+
+      final usersBlocState = tester.state<UsersBlocState>(
+        find.byKey(usersBlocKey),
+      );
+
+      const pagination = PaginationParams(limit: 30);
+      final users = _generateUsers(count: 25);
+
+      when(() => mockClient.queryUsers(
+            filter: any(named: 'filter'),
+            sort: any(named: 'sort'),
+            presence: any(named: 'presence'),
+            pagination: pagination,
           )).thenAnswer((_) async => QueryUsersResponse()..users = users);
 
       usersBlocState.queryUsers();
@@ -271,30 +348,16 @@ void main() {
           )).called(1);
 
       final offset = users.length;
-      final pagination = PaginationParams(offset: offset);
+      final newPagination = pagination.copyWith(offset: offset);
 
-      const error = 'Error! Error! Error!';
+      usersBlocState.queryUsers(pagination: newPagination);
-
-      when(() => mockClient.queryUsers(
-            filter: any(named: 'filter'),
-            sort: any(named: 'sort'),
-            presence: any(named: 'presence'),
-            pagination: pagination,
-          )).thenThrow(error);
-
-      usersBlocState.queryUsers(pagination: pagination);
 
+      // should emit nothing.
       await expectLater(
-        usersBlocState.queryUsersLoading,
+        // skipping the initial data (behaviorSubject).
-        emitsError(error),
+        usersBlocState.usersStream,
+        emitsInOrder([]),
       );
-
-      verify(() => mockClient.queryUsers(
-            filter: any(named: 'filter'),
-            sort: any(named: 'sort'),
-            presence: any(named: 'presence'),
-            pagination: pagination,
-          )).called(1);
     },
   );
 }