add initialized channel tests

Signed-off-by: Sahil Kumar <[email protected]>

packages/stream_chat/test/src/fakes.dart

@@ -82,3 +82,24 @@ class FakeChatApi extends Fake implements StreamChatApi {
   AttachmentFileUploader get fileUploader =>
       _fileUploader ??= MockAttachmentFileUploader();
 }
+
+class FakeClientState extends Fake implements ClientState {
+  @override
+  OwnUser? get user => OwnUser(id: 'test-user-id');
+
+  var _totalUnreadCount = 0;
+
+  @override
+  int? get totalUnreadCount => _totalUnreadCount;
+
+  @override
+  set totalUnreadCount(int? unreadCount) {
+    _totalUnreadCount += unreadCount ?? 0;
+  }
+}
+
+class FakeMessage extends Fake implements Message {}
+
+class FakeAttachmentFile extends Fake implements AttachmentFile {}
+
+class FakeEvent extends Fake implements Event {}

packages/stream_chat/test/src/matchers.dart

@@ -1,4 +1,7 @@
+import 'package:collection/collection.dart';
 import 'package:dio/dio.dart' show MultipartFile;
+import 'package:stream_chat/src/core/models/event.dart';
+import 'package:stream_chat/src/core/models/message.dart';
 import 'package:test/test.dart';
 
 Matcher isSameMultipartFileAs(MultipartFile targetFile) =>
@@ -17,3 +20,72 @@ class _IsSameMultipartFileAs extends Matcher {
   bool matches(covariant MultipartFile file, Map matchState) =>
       file.length == targetFile.length;
 }
+
+Matcher isSameEventAs(Event targetEvent) =>
+    _IsSameEventAs(targetEvent: targetEvent);
+
+class _IsSameEventAs extends Matcher {
+  const _IsSameEventAs({required this.targetEvent});
+
+  final Event targetEvent;
+
+  @override
+  Description describe(Description description) =>
+      description.add('is same event as $targetEvent');
+
+  @override
+  bool matches(covariant Event event, Map matchState) =>
+      event.type == targetEvent.type;
+}
+
+Matcher isSameMessageAs(
+  Message targetMessage, {
+  bool matchReactions = false,
+  bool matchSendingStatus = false,
+}) =>
+    _IsSameMessageAs(
+      targetMessage: targetMessage,
+      matchReactions: matchReactions,
+      matchSendingStatus: matchSendingStatus,
+    );
+
+class _IsSameMessageAs extends Matcher {
+  const _IsSameMessageAs({
+    required this.targetMessage,
+    this.matchReactions = false,
+    this.matchSendingStatus = false,
+  });
+
+  final Message targetMessage;
+  final bool matchReactions;
+  final bool matchSendingStatus;
+
+  @override
+  Description describe(Description description) =>
+      description.add('is same message as $targetMessage');
+
+  @override
+  bool matches(covariant Message message, Map matchState) {
+    var matches = message.id == targetMessage.id;
+    if (matchSendingStatus) {
+      matches &= message.status == targetMessage.status;
+    }
+    if (matchReactions) {
+      matches &= const ListEquality().equals(
+          message.ownReactions
+              ?.map((it) => '${it.type}-${it.messageId}')
+              .toList(),
+          targetMessage.ownReactions
+              ?.map((it) => '${it.type}-${it.messageId}')
+              .toList());
+      matches &= const ListEquality().equals(
+          message.latestReactions
+              ?.map((it) => '${it.type}-${it.messageId}')
+              .toList(),
+          targetMessage.latestReactions
+              ?.map((it) => '${it.type}-${it.messageId}')
+              .toList());
+    }
+    return matches;
+  }
+}

packages/stream_chat/test/src/mocks.dart

@@ -1,6 +1,7 @@
 import 'package:dio/dio.dart';
 import 'package:logging/logging.dart';
 import 'package:mocktail/mocktail.dart';
+import 'package:stream_chat/src/client/client.dart';
 import 'package:stream_chat/src/core/api/attachment_file_uploader.dart';
 import 'package:stream_chat/src/core/api/channel_api.dart';
 import 'package:stream_chat/src/core/api/device_api.dart';
@@ -12,8 +13,13 @@ import 'package:stream_chat/src/core/api/user_api.dart';
 import 'package:stream_chat/src/core/http/connection_id_manager.dart';
 import 'package:stream_chat/src/core/http/stream_http_client.dart';
 import 'package:stream_chat/src/core/http/token_manager.dart';
+import 'package:stream_chat/src/core/models/channel_config.dart';
+import 'package:stream_chat/src/core/models/channel_model.dart';
+import 'package:stream_chat/src/db/chat_persistence_client.dart';
 import 'package:web_socket_channel/web_socket_channel.dart';
 
+import 'db/chat_persistence_client_test.dart';
+
 class MockWebSocketChannel extends Mock implements WebSocketChannel {}
 
 class MockWebSocketSink extends Mock implements WebSocketSink {}
@@ -57,3 +63,24 @@ class MockGeneralApi extends Mock implements GeneralApi {}
 
 class MockAttachmentFileUploader extends Mock
     implements AttachmentFileUploader {}
+
+class MockPersistenceClient extends Mock implements ChatPersistenceClient {}
+
+class MockStreamChatClient extends Mock implements StreamChatClient {
+  @override
+  bool get persistenceEnabled => false;
+}
+
+class MockStreamChatClientWithPersistence extends Mock
+    implements StreamChatClient {
+  ChatPersistenceClient? _persistenceClient;
+
+  @override
+  ChatPersistenceClient get chatPersistenceClient =>
+      _persistenceClient ??= MockPersistenceClient();
+
+  @override
+  bool get persistenceEnabled => true;
+}
+
+class MockChannelConfig extends Mock implements ChannelConfig {}