add message_reaction_modal_test

test/src/channel_preview_test.dart

@@ -3,13 +3,7 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:mockito/mockito.dart';
 import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 
-class MockClient extends Mock implements Client {}
-
-class MockClientState extends Mock implements ClientState {}
-
-class MockChannel extends Mock implements Channel {}
-
-class MockChannelState extends Mock implements ChannelClientState {}
+import 'mocks.dart';
 
 void main() {
   testWidgets(

test/src/message_reaction_modal_test.dart

@@ -0,0 +1,87 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:mockito/mockito.dart';
+import 'package:stream_chat_flutter/src/message_reactions_modal.dart';
+import 'package:stream_chat_flutter/stream_chat_flutter.dart';
+
+import 'mocks.dart';
+
+void main() {
+  testWidgets(
+    'it should show one thumbs from the picker',
+    (WidgetTester tester) async {
+      final themeData = ThemeData();
+      final streamTheme = StreamChatThemeData.getDefaultTheme(themeData);
+      await tester.pumpWidget(
+        MaterialApp(
+          theme: themeData,
+          home: StreamChatTheme(
+            data: streamTheme,
+            child: Container(
+              child: MessageReactionsModal(
+                message: Message(
+                  text: 'test',
+                  user: User(
+                    id: 'test-user',
+                  ),
+                ),
+                messageTheme: streamTheme.ownMessageTheme,
+              ),
+            ),
+          ),
+        ),
+      );
+
+      expect(find.byIcon(StreamIcons.thumbs_up_reaction), findsOneWidget);
+    },
+  );
+
+  testWidgets(
+    'it should show two reactions',
+    (WidgetTester tester) async {
+      final client = MockClient();
+      final clientState = MockClientState();
+
+      when(client.state).thenReturn(clientState);
+      when(clientState.user).thenReturn(OwnUser(id: 'user-id'));
+
+      final themeData = ThemeData();
+      final streamTheme = StreamChatThemeData.getDefaultTheme(themeData);
+      await tester.pumpWidget(
+        MaterialApp(
+          theme: themeData,
+          home: StreamChat(
+            streamChatThemeData: streamTheme,
+            client: client,
+            child: Container(
+              child: MessageReactionsModal(
+                message: Message(
+                  text: 'test',
+                  user: User(
+                    id: 'test-user',
+                  ),
+                  latestReactions: [
+                    Reaction(
+                      type: 'thumbs_up',
+                      user: User(id: 'test'),
+                    ),
+                    Reaction(
+                      type: 'love',
+                      user: User(id: 'test'),
+                    ),
+                  ],
+                ),
+                messageTheme: streamTheme.ownMessageTheme,
+              ),
+            ),
+          ),
+        ),
+      );
+      await tester.pump();
+
+      expect(find.byIcon(StreamIcons.thumbs_up_reaction), findsNWidgets(2));
+      expect(find.byIcon(StreamIcons.love_reaction), findsNWidgets(2));
+      expect(find.text('test'), findsNWidgets(2));
+    },
+  );
+}

test/src/mocks.dart

@@ -0,0 +1,10 @@
+import 'package:mockito/mockito.dart';
+import 'package:stream_chat/stream_chat.dart';
+
+class MockClient extends Mock implements Client {}
+
+class MockClientState extends Mock implements ClientState {}
+
+class MockChannel extends Mock implements Channel {}
+
+class MockChannelState extends Mock implements ChannelClientState {}