diff --git a/lib/features/caching/config/hive_cache_client.dart b/lib/features/caching/config/hive_cache_client.dart
index 9fdac09d2..45575db70 100644
--- a/lib/features/caching/config/hive_cache_client.dart
+++ b/lib/features/caching/config/hive_cache_client.dart
@@ -5,7 +5,7 @@ abstract class HiveCacheClient<T> {
 
   String get tableName;
 
-  Future<Box<T>> openTable();
+  Future<Box<T>> openBox();
 
   Future<void> insertItem(String key, T newObject);
 
@@ -26,4 +26,8 @@ abstract class HiveCacheClient<T> {
   Future<bool> isExistItem(String key);
 
   Future<bool> isExistTable();
+
+  Future<void> deleteBox() {
+    return Hive.deleteBoxFromDisk(tableName);
+  }
 }
\ No newline at end of file
diff --git a/lib/features/caching/config/hive_cache_config.dart b/lib/features/caching/config/hive_cache_config.dart
index 35567968d..3d45d73e7 100644
--- a/lib/features/caching/config/hive_cache_config.dart
+++ b/lib/features/caching/config/hive_cache_config.dart
@@ -9,14 +9,19 @@ import 'package:tmail_ui_user/features/mailbox/data/model/state_type.dart';
 
 class HiveCacheConfig {
 
-  Future setUp() async {
-    await initializeDatabase();
+  Future setUp({String? cachePath}) async {
+    await initializeDatabase(databasePath: cachePath);
     registerAdapter();
   }
 
-  Future initializeDatabase() async {
-    Directory directory = await pathProvider.getApplicationDocumentsDirectory();
-    Hive.init(directory.path);
+  Future initializeDatabase({String? databasePath}) async {
+    if (databasePath != null) {
+      Hive.init(databasePath);
+    } else {
+      Directory directory = await pathProvider
+        .getApplicationDocumentsDirectory();
+      Hive.init(directory.path);
+    }
   }
 
   void registerAdapter() {
diff --git a/lib/features/caching/mailbox_cache_client.dart b/lib/features/caching/mailbox_cache_client.dart
index 662e6a0dc..3301772d3 100644
--- a/lib/features/caching/mailbox_cache_client.dart
+++ b/lib/features/caching/mailbox_cache_client.dart
@@ -9,7 +9,7 @@ class MailboxCacheClient extends HiveCacheClient<MailboxCache> {
   String get tableName => 'MailboxCache';
 
   @override
-  Future<Box<MailboxCache>> openTable() {
+  Future<Box<MailboxCache>> openBox() {
     return Future.sync(() async {
       if (Hive.isBoxOpen(tableName)) {
         return Hive.box<MailboxCache>(tableName);
@@ -23,7 +23,7 @@ class MailboxCacheClient extends HiveCacheClient<MailboxCache> {
   @override
   Future<bool> isExistItem(String key) {
     return Future.sync(() async {
-      final boxMailbox = await openTable();
+      final boxMailbox = await openBox();
       return boxMailbox.containsKey(key);
     }).catchError((error) {
       throw error;
@@ -33,7 +33,7 @@ class MailboxCacheClient extends HiveCacheClient<MailboxCache> {
   @override
   Future<void> deleteItem(String key) {
     return Future.sync(() async {
-      final boxMailbox = await openTable();
+      final boxMailbox = await openBox();
       return boxMailbox.delete(key);
     }).catchError((error) {
       throw error;
@@ -43,7 +43,7 @@ class MailboxCacheClient extends HiveCacheClient<MailboxCache> {
   @override
   Future<MailboxCache?> getItem(String key) {
     return Future.sync(() async {
-      final boxMailbox = await openTable();
+      final boxMailbox = await openBox();
       return boxMailbox.get(key);
     }).catchError((error) {
       throw error;
@@ -53,7 +53,7 @@ class MailboxCacheClient extends HiveCacheClient<MailboxCache> {
   @override
   Future<List<MailboxCache>> getAll() {
     return Future.sync(() async {
-      final boxMailbox = await openTable();
+      final boxMailbox = await openBox();
       return boxMailbox.values.toList();
     }).catchError((error) {
       throw error;
@@ -63,7 +63,7 @@ class MailboxCacheClient extends HiveCacheClient<MailboxCache> {
   @override
   Future<void> insertItem(String key, MailboxCache newObject) {
     return Future.sync(() async {
-      final boxMailbox = await openTable();
+      final boxMailbox = await openBox();
       boxMailbox.put(key, newObject);
     }).catchError((error) {
       throw error;
@@ -73,7 +73,7 @@ class MailboxCacheClient extends HiveCacheClient<MailboxCache> {
   @override
   Future<void> insertMultipleItem(Map<String, MailboxCache> mapObject) {
     return Future.sync(() async {
-      final boxMailbox = await openTable();
+      final boxMailbox = await openBox();
       boxMailbox.putAll(mapObject);
     }).catchError((error) {
       throw error;
@@ -83,7 +83,7 @@ class MailboxCacheClient extends HiveCacheClient<MailboxCache> {
   @override
   Future<void> updateItem(String key, MailboxCache newObject) {
     return Future.sync(() async {
-      final boxMailbox = await openTable();
+      final boxMailbox = await openBox();
       boxMailbox.put(key, newObject);
     }).catchError((error) {
       throw error;
@@ -102,7 +102,7 @@ class MailboxCacheClient extends HiveCacheClient<MailboxCache> {
   @override
   Future<void> deleteMultipleItem(List<String> listKey) {
     return Future.sync(() async {
-      final boxMailbox = await openTable();
+      final boxMailbox = await openBox();
       return boxMailbox.deleteAll(listKey);
     }).catchError((error) {
       throw error;
@@ -112,7 +112,7 @@ class MailboxCacheClient extends HiveCacheClient<MailboxCache> {
   @override
   Future<void> updateMultipleItem(Map<String, MailboxCache> mapObject) {
     return Future.sync(() async {
-      final boxMailbox = await openTable();
+      final boxMailbox = await openBox();
       boxMailbox.putAll(mapObject);
     }).catchError((error) {
       throw error;
diff --git a/lib/features/caching/state_cache_client.dart b/lib/features/caching/state_cache_client.dart
index 71ffefd64..cd54ea422 100644
--- a/lib/features/caching/state_cache_client.dart
+++ b/lib/features/caching/state_cache_client.dart
@@ -9,7 +9,7 @@ class StateCacheClient extends HiveCacheClient<StateCache> {
   String get tableName => 'StateCache';
 
   @override
-  Future<Box<StateCache>> openTable() {
+  Future<Box<StateCache>> openBox() {
     return Future.sync(() async {
       if (Hive.isBoxOpen(tableName)) {
         return Hive.box<StateCache>(tableName);
@@ -23,7 +23,7 @@ class StateCacheClient extends HiveCacheClient<StateCache> {
   @override
   Future<bool> isExistItem(String key) {
     return Future.sync(() async {
-      final boxState = await openTable();
+      final boxState = await openBox();
       return boxState.containsKey(key);
     }).catchError((error) {
       throw error;
@@ -33,7 +33,7 @@ class StateCacheClient extends HiveCacheClient<StateCache> {
   @override
   Future<void> deleteItem(String key) {
     return Future.sync(() async {
-      final boxState = await openTable();
+      final boxState = await openBox();
       return boxState.delete(key);
     }).catchError((error) {
       throw error;
@@ -43,7 +43,7 @@ class StateCacheClient extends HiveCacheClient<StateCache> {
   @override
   Future<StateCache?> getItem(String key) {
     return Future.sync(() async {
-      final boxState = await openTable();
+      final boxState = await openBox();
       return boxState.get(key);
     }).catchError((error) {
       throw error;
@@ -53,7 +53,7 @@ class StateCacheClient extends HiveCacheClient<StateCache> {
   @override
   Future<List<StateCache>> getAll() {
     return Future.sync(() async {
-      final boxState = await openTable();
+      final boxState = await openBox();
       return boxState.values.toList();
     }).catchError((error) {
       throw error;
@@ -63,7 +63,7 @@ class StateCacheClient extends HiveCacheClient<StateCache> {
   @override
   Future<void> insertItem(String key, StateCache newObject) {
     return Future.sync(() async {
-      final boxState = await openTable();
+      final boxState = await openBox();
       boxState.put(key, newObject);
     }).catchError((error) {
       throw error;
@@ -73,7 +73,7 @@ class StateCacheClient extends HiveCacheClient<StateCache> {
   @override
   Future<void> insertMultipleItem(Map<String, StateCache> mapObject) {
     return Future.sync(() async {
-      final boxState = await openTable();
+      final boxState = await openBox();
       boxState.putAll(mapObject);
     }).catchError((error) {
       throw error;
@@ -83,7 +83,7 @@ class StateCacheClient extends HiveCacheClient<StateCache> {
   @override
   Future<void> updateItem(String key, StateCache newObject) {
     return Future.sync(() async {
-      final boxState = await openTable();
+      final boxState = await openBox();
       boxState.put(key, newObject);
     }).catchError((error) {
       throw error;
@@ -102,7 +102,7 @@ class StateCacheClient extends HiveCacheClient<StateCache> {
   @override
   Future<void> deleteMultipleItem(List<String> listKey) {
     return Future.sync(() async {
-      final boxState = await openTable();
+      final boxState = await openBox();
       boxState.deleteAll(listKey);
     }).catchError((error) {
       throw error;
@@ -112,7 +112,7 @@ class StateCacheClient extends HiveCacheClient<StateCache> {
   @override
   Future<void> updateMultipleItem(Map<String, StateCache> mapObject) {
     return Future.sync(() async {
-      final boxState = await openTable();
+      final boxState = await openBox();
       boxState.putAll(mapObject);
     }).catchError((error) {
       throw error;
diff --git a/test/features/caching/mailbox_cache_client_test.dart b/test/features/caching/mailbox_cache_client_test.dart
new file mode 100644
index 000000000..de1f281af
--- /dev/null
+++ b/test/features/caching/mailbox_cache_client_test.dart
@@ -0,0 +1,181 @@
+import 'dart:io';
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:tmail_ui_user/features/caching/config/hive_cache_config.dart';
+import 'package:tmail_ui_user/features/caching/mailbox_cache_client.dart';
+import 'package:tmail_ui_user/features/mailbox/data/extensions/mailbox_extension.dart';
+
+import '../../fixtures/mailbox_fixtures.dart';
+
+void main() {
+
+  late MailboxCacheClient _mailboxCacheClient;
+
+  setUpAll(() {
+    HiveCacheConfig().setUp(cachePath: Directory.current.path);
+  });
+
+  setUp(() {
+    _mailboxCacheClient = MailboxCacheClient();
+  });
+
+  group('[delete]', () {
+    test('cache should delete item successfully when cache empty', () async {
+      await _mailboxCacheClient.deleteItem(MailboxFixtures.inboxMailbox.id.toString());
+
+      final remainingItems = await _mailboxCacheClient.getAll();
+
+      expect(remainingItems.length, equals(0));
+    });
+
+    test('cache should not delete item which not in the list', () async {
+      await _mailboxCacheClient.insertItem(
+          MailboxFixtures.inboxMailbox.id.toString(),
+          MailboxFixtures.inboxMailbox.toMailboxCache());
+
+      await _mailboxCacheClient.insertItem(
+          MailboxFixtures.sentMailbox.id.toString(),
+          MailboxFixtures.sentMailbox.toMailboxCache());
+
+      await _mailboxCacheClient.deleteItem(MailboxFixtures.folder1.id.toString());
+
+      final remainingItems = await _mailboxCacheClient.getAll();
+
+      expect(remainingItems.length, equals(2));
+      expect(
+        remainingItems,
+        containsAll({
+          MailboxFixtures.inboxMailbox.toMailboxCache(),
+          MailboxFixtures.sentMailbox.toMailboxCache()
+        }));
+    });
+
+    test('cache should delete item successfully', () async {
+      await _mailboxCacheClient.insertItem(
+        MailboxFixtures.inboxMailbox.id.toString(),
+        MailboxFixtures.inboxMailbox.toMailboxCache());
+
+      await _mailboxCacheClient.insertItem(
+        MailboxFixtures.sentMailbox.id.toString(),
+        MailboxFixtures.sentMailbox.toMailboxCache());
+
+      await _mailboxCacheClient.deleteItem(MailboxFixtures.inboxMailbox.id.toString());
+
+      final remainingItems = await _mailboxCacheClient.getAll();
+
+      expect(remainingItems.length, equals(1));
+      expect(remainingItems[0], equals(MailboxFixtures.sentMailbox.toMailboxCache()));
+    });
+
+    test('cache should not delete item twice', () async {
+      await _mailboxCacheClient.insertItem(
+          MailboxFixtures.inboxMailbox.id.toString(),
+          MailboxFixtures.inboxMailbox.toMailboxCache());
+
+      await _mailboxCacheClient.insertItem(
+          MailboxFixtures.sentMailbox.id.toString(),
+          MailboxFixtures.sentMailbox.toMailboxCache());
+
+      await _mailboxCacheClient.deleteItem(MailboxFixtures.inboxMailbox.id.toString());
+      await _mailboxCacheClient.deleteItem(MailboxFixtures.inboxMailbox.id.toString());
+
+      final remainingItems = await _mailboxCacheClient.getAll();
+
+      expect(remainingItems.length, equals(1));
+      expect(remainingItems[0], equals(MailboxFixtures.sentMailbox.toMailboxCache()));
+    });
+  });
+
+  group('[add]', () {
+    test('cache should add item when cache empty', () async {
+      await _mailboxCacheClient.insertItem(
+          MailboxFixtures.inboxMailbox.id.toString(),
+          MailboxFixtures.inboxMailbox.toMailboxCache());
+
+      final remainingItems = await _mailboxCacheClient.getAll();
+
+      expect(remainingItems.length, equals(1));
+      expect(remainingItems[0], equals(MailboxFixtures.inboxMailbox.toMailboxCache()));
+    });
+
+    test('cache should add item when cache not empty', () async {
+      await _mailboxCacheClient.insertItem(
+          MailboxFixtures.inboxMailbox.id.toString(),
+          MailboxFixtures.inboxMailbox.toMailboxCache());
+
+      await _mailboxCacheClient.insertItem(
+          MailboxFixtures.sentMailbox.id.toString(),
+          MailboxFixtures.sentMailbox.toMailboxCache());
+
+      final remainingItems = await _mailboxCacheClient.getAll();
+
+      expect(remainingItems.length, equals(2));
+      expect(
+        remainingItems,
+        containsAll({
+          MailboxFixtures.inboxMailbox.toMailboxCache(),
+          MailboxFixtures.sentMailbox.toMailboxCache()
+        }));
+    });
+
+    test('cache should not add item twice', () async {
+      await _mailboxCacheClient.insertItem(
+          MailboxFixtures.inboxMailbox.id.toString(),
+          MailboxFixtures.inboxMailbox.toMailboxCache());
+
+      await _mailboxCacheClient.insertItem(
+          MailboxFixtures.inboxMailbox.id.toString(),
+          MailboxFixtures.inboxMailbox.toMailboxCache());
+
+      final remainingItems = await _mailboxCacheClient.getAll();
+
+      expect(remainingItems.length, equals(1));
+      expect(
+        remainingItems,
+        containsAll({
+          MailboxFixtures.inboxMailbox.toMailboxCache(),
+        }));
+    });
+  });
+
+  group('[update]', () {
+    test('cache should update item when update to iem which not in cache', () async {
+      await _mailboxCacheClient.updateItem(
+          MailboxFixtures.inboxMailbox.id.toString(),
+          MailboxFixtures.inboxMailbox.toMailboxCache());
+
+      final remainingItems = await _mailboxCacheClient.getAll();
+
+      expect(remainingItems.length, equals(1));
+      expect(remainingItems[0], equals(MailboxFixtures.inboxMailbox.toMailboxCache()));
+    });
+
+    test('cache should update correctly item', () async {
+      await _mailboxCacheClient.insertItem(
+          MailboxFixtures.inboxMailbox.id.toString(),
+          MailboxFixtures.inboxMailbox.toMailboxCache());
+
+      await _mailboxCacheClient.insertItem(
+          MailboxFixtures.sentMailbox.id.toString(),
+          MailboxFixtures.sentMailbox.toMailboxCache());
+
+      await _mailboxCacheClient.updateItem(
+          MailboxFixtures.inboxMailbox.id.toString(),
+          MailboxFixtures.folder1.toMailboxCache());
+
+      final remainingItems = await _mailboxCacheClient.getAll();
+
+      expect(remainingItems.length, equals(2));
+      expect(
+        remainingItems,
+        containsAll({
+          MailboxFixtures.sentMailbox.toMailboxCache(),
+          MailboxFixtures.folder1.toMailboxCache()
+        }));
+    });
+  });
+
+  tearDown(() async {
+    await _mailboxCacheClient.deleteBox();
+  });
+}
\ No newline at end of file
diff --git a/test/fixtures/mailbox_fixtures.dart b/test/fixtures/mailbox_fixtures.dart
index 42cc2723f..2476fa58a 100644
--- a/test/fixtures/mailbox_fixtures.dart
+++ b/test/fixtures/mailbox_fixtures.dart
@@ -95,4 +95,4 @@ class MailboxFixtures {
           true),
       IsSubscribed(true)
   );
-}
+}
\ No newline at end of file