test(persistence): add tests for read mapper

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

packages/stream_chat_persistence/test/src/mapper/reaction_mapper_test.dart

@@ -1,5 +1,3 @@
-import 'dart:math' as math;
-
 import 'package:test/test.dart';
 import 'package:stream_chat/stream_chat.dart';
 import 'package:stream_chat_persistence/src/db/moor_chat_database.dart';

packages/stream_chat_persistence/test/src/mapper/read_mapper_test.dart

@@ -0,0 +1,41 @@
+import 'package:test/test.dart';
+import 'package:stream_chat/stream_chat.dart';
+import 'package:stream_chat_persistence/src/db/moor_chat_database.dart';
+import 'package:stream_chat_persistence/src/mapper/read_mapper.dart';
+
+import '../utils/date_matcher.dart';
+
+void main() {
+  test('toRead should map entity into Read', () {
+    const cid = 'testCid';
+    final user = User(id: 'testUserId');
+    final entity = ReadEntity(
+      lastRead: DateTime.now(),
+      userId: user.id,
+      channelCid: cid,
+      unreadMessages: 33,
+    );
+
+    final read = entity.toRead(user: user);
+    expect(read, isA<Read>());
+    expect(read.lastRead, isSameDateAs(entity.lastRead));
+    expect(read.user.id, entity.userId);
+    expect(read.unreadMessages, entity.unreadMessages);
+  });
+
+  test('toEntity should map read into ReadEntity', () {
+    const cid = 'testCid';
+    final user = User(id: 'testUserId');
+    final read = Read(
+      lastRead: DateTime.now(),
+      user: user,
+      unreadMessages: 33,
+    );
+
+    final entity = read.toEntity(cid: cid);
+    expect(entity, isA<ReadEntity>());
+    expect(entity.lastRead, isSameDateAs(read.lastRead));
+    expect(entity.userId, read.user.id);
+    expect(entity.unreadMessages, read.unreadMessages);
+  });
+}