fix(stream_chat_persistence): tests

packages/stream_chat_flutter/lib/src/channel_preview.dart

@@ -170,14 +170,14 @@ class ChannelPreview extends StatelessWidget {
 
         if (lastMessageAt.millisecondsSinceEpoch >=
             startOfDay.millisecondsSinceEpoch) {
-          stringDate = Jiffy(lastMessageAt.toLocal()).format('HH:mm');
+          stringDate = Jiffy(lastMessageAt.toLocal()).jm;
         } else if (lastMessageAt.millisecondsSinceEpoch >=
             startOfDay.subtract(Duration(days: 1)).millisecondsSinceEpoch) {
           stringDate = 'Yesterday';
         } else if (startOfDay.difference(lastMessageAt).inDays < 7) {
           stringDate = Jiffy(lastMessageAt.toLocal()).EEEE;
         } else {
-          stringDate = Jiffy(lastMessageAt.toLocal()).format('dd/MM/yyyy');
+          stringDate = Jiffy(lastMessageAt.toLocal()).yMd;
         }
 
         return Text(

packages/stream_chat_flutter/lib/src/date_divider.dart

@@ -28,14 +28,14 @@ class DateDivider extends StatelessWidget {
       now.subtract(Duration(days: 7)),
       Units.DAY,
     )) {
-      dayInfo = createdAt.format('EEEE');
+      dayInfo = createdAt.EEEE;
     } else if (Jiffy(createdAt).isAfter(
       Jiffy(now).subtract(years: 1),
       Units.DAY,
     )) {
-      dayInfo = createdAt.format('MMMM d');
+      dayInfo = createdAt.MMMd;
     } else {
-      dayInfo = createdAt.format('MMMM d');
+      dayInfo = createdAt.MMMd;
     }
 
     if (uppercase) dayInfo = dayInfo.toUpperCase();

packages/stream_chat_flutter/lib/src/full_screen_media.dart

@@ -220,7 +220,7 @@ class _FullScreenMediaState extends State<FullScreenMedia>
         24) {
       return 'yesterday';
     } else {
-      return 'on ${Jiffy(dateTime).format("MMM do")}';
+      return 'on ${Jiffy(dateTime).MMMd}';
     }
   }
 

packages/stream_chat_flutter/lib/src/message_input.dart

@@ -2233,7 +2233,7 @@ class MessageInputState extends State<MessageInput> {
   void _parseExistingMessage(Message message) {
     textEditingController.text = message.text;
     _messageIsPresent = true;
-    for (final attachment in message.attachments) {
+    for (final attachment in message?.attachments) {
       _attachments[attachment.id] = attachment.copyWith(
         uploadState: attachment.uploadState ?? UploadState.success(),
       );

packages/stream_chat_flutter/lib/src/message_search_item.dart

@@ -84,9 +84,9 @@ class MessageSearchItem extends StatelessWidget {
     if (now.year != createdAt.year ||
         now.month != createdAt.month ||
         now.day != createdAt.day) {
-      stringDate = Jiffy(createdAt.toLocal()).format('dd/MM/yyyy');
+      stringDate = Jiffy(createdAt.toLocal()).yMd;
     } else {
-      stringDate = Jiffy(createdAt.toLocal()).format('HH:mm');
+      stringDate = Jiffy(createdAt.toLocal()).jm;
     }
 
     return Text(

packages/stream_chat_flutter/lib/src/stream_chat.dart

@@ -3,9 +3,11 @@ import 'dart:async';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_portal/flutter_portal.dart';
+import 'package:jiffy/jiffy.dart';
 import 'package:stream_chat_flutter/src/stream_chat_theme.dart';
 import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 import 'package:stream_chat_flutter_core/stream_chat_flutter_core.dart';
+import 'dart:ui' as ui;
 
 /// Widget used to provide information about the chat to the widget tree
 ///
@@ -121,4 +123,11 @@ class StreamChatState extends State<StreamChat> {
   void initState() {
     super.initState();
   }
+
+  @override
+  void didChangeDependencies() {
+    final locale = ui.window.locale;
+    Jiffy.locale(locale.languageCode);
+    super.didChangeDependencies();
+  }
 }

packages/stream_chat_flutter/pubspec.yaml

@@ -36,11 +36,9 @@ dependencies:
   lottie: ^1.0.0
   substring_highlight: ^0.1.2
   flutter_slidable: ^0.5.7
-  clipboard: ^0.1.2+8
   image_gallery_saver: ^1.6.7
   share_plus: ^2.0.0
   photo_manager: ^1.0.0
-  transparent_image: ^1.0.0
   ezanimation: ^0.4.1
   synchronized: ^3.0.0
   characters: ^1.0.0

packages/stream_chat_flutter/test/src/channel_preview_test.dart

@@ -69,7 +69,7 @@ void main() {
         ),
       ));
 
-      expect(find.text('22/06/2020'), findsOneWidget);
+      expect(find.text('6/22/2020'), findsOneWidget);
       expect(find.text('test name'), findsOneWidget);
       expect(find.text('1'), findsOneWidget);
       expect(find.text('hello'), findsOneWidget);