diff --git a/lib/features/public_asset/domain/exceptions/public_asset_exceptions.dart b/lib/features/public_asset/domain/exceptions/public_asset_exceptions.dart
index 80a4906b9..66302c268 100644
--- a/lib/features/public_asset/domain/exceptions/public_asset_exceptions.dart
+++ b/lib/features/public_asset/domain/exceptions/public_asset_exceptions.dart
@@ -1,7 +1,3 @@
-class UnsupportedCapabilityException implements Exception {
-  const UnsupportedCapabilityException();
-}
-
 class CannotCreatePublicAssetException implements Exception {
   const CannotCreatePublicAssetException();
 }
diff --git a/test/features/public_asset/data/datasource_impl/remote_public_asset_datasource_impl_test.dart b/test/features/public_asset/data/datasource_impl/remote_public_asset_datasource_impl_test.dart
new file mode 100644
index 000000000..46098de68
--- /dev/null
+++ b/test/features/public_asset/data/datasource_impl/remote_public_asset_datasource_impl_test.dart
@@ -0,0 +1,231 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:jmap_dart_client/jmap/core/id.dart';
+import 'package:jmap_dart_client/jmap/core/session/session.dart';
+import 'package:jmap_dart_client/jmap/identities/identity.dart';
+import 'package:jmap_dart_client/jmap/mail/extensions/public_asset/public_asset.dart';
+import 'package:mockito/annotations.dart';
+import 'package:mockito/mockito.dart';
+import 'package:tmail_ui_user/features/public_asset/data/datasource_impl/remote_public_asset_datasource_impl.dart';
+import 'package:tmail_ui_user/features/public_asset/data/network/public_asset_api.dart';
+import 'package:tmail_ui_user/main/exceptions/exception_thrower.dart';
+
+import 'remote_public_asset_datasource_impl_test.mocks.dart';
+
+@GenerateNiceMocks([
+  MockSpec<PublicAssetApi>(),
+  MockSpec<ExceptionThrower>(),
+  MockSpec<Session>(),
+  MockSpec<AccountId>(),
+])
+void main() {
+  final publicAssetApi = MockPublicAssetApi();
+  final exceptionThrower = MockExceptionThrower();
+  final publicAssetDatasource = RemotePublicAssetDatasourceImpl(
+    publicAssetApi,
+    exceptionThrower);
+  final session = MockSession();
+  final accoundId = MockAccountId();
+  final identityId = IdentityId(Id('123'));
+
+  group('remote public asset datasource impl test:', () {
+    test(
+      'should return expected public assets '
+      'when publicAssetApi.getPublicAssets is called '
+      'and publicAssetApi.getPublicAssets return public assets',
+    () async {
+      // arrange
+      final publicAssetId = Id('123');
+      final publicAsset = PublicAsset(id: publicAssetId);
+      when(
+        publicAssetApi.getPublicAssets(
+          any,
+          any,
+          publicAssetIds: anyNamed('publicAssetIds')),
+      ).thenAnswer((_) => Future.value([publicAsset]));
+
+      // act
+      final result = await publicAssetDatasource.getPublicAssetFromIds(
+        session,
+        accoundId,
+        publicAssetIds: [publicAssetId],
+      );
+      
+      // assert
+      verify(publicAssetApi.getPublicAssets(
+        session,
+        accoundId,
+        publicAssetIds: [publicAssetId],
+      )).called(1);
+      expect(result, equals([publicAsset]));
+    });
+
+    test(
+      'should throw expected exception '
+      'when publicAssetApi.getPublicAssets is called '
+      'and publicAssetApi.getPublicAssets throw exception',
+    () async {
+      // arrange
+      when(
+        publicAssetApi.getPublicAssets(
+          any,
+          any,
+          publicAssetIds: anyNamed('publicAssetIds')),
+      ).thenThrow(Exception());
+      when(exceptionThrower.throwException(any, any)).thenThrow(Exception());
+      
+      // assert
+      expect(() => publicAssetDatasource.getPublicAssetFromIds(
+        session,
+        accoundId,
+        publicAssetIds: [Id('123')],
+      ), throwsException);
+    });
+
+    test(
+      'should return expected public asset '
+      'when publicAssetApi.createPublicAsset is called '
+      'and publicAssetApi.createPublicAsset return public asset',
+    () async {
+      // arrange
+      final blobId = Id('123');
+      final publicAsset = PublicAsset();
+      when(
+        publicAssetApi.createPublicAsset(
+          any,
+          any,
+          blobId: anyNamed('blobId'),
+          identityId: anyNamed('identityId')),
+      ).thenAnswer((_) => Future.value(publicAsset));
+      
+      // act
+      final result = await publicAssetDatasource.createPublicAsset(
+        session,
+        accoundId,
+        blobId: blobId,
+        identityId: identityId,
+      );
+      
+      // assert
+      verify(publicAssetApi.createPublicAsset(
+        session,
+        accoundId,
+        blobId: blobId,
+        identityId: identityId,
+      )).called(1);
+      expect(result, equals(publicAsset));  
+    });
+
+    test(
+      'should throw expected exception '
+      'when publicAssetApi.createPublicAsset is called '
+      'and publicAssetApi.createPublicAsset throw exception',
+    () async {
+      // arrange
+      when(
+        publicAssetApi.createPublicAsset(
+          any,
+          any,
+          blobId: anyNamed('blobId'),
+          identityId: anyNamed('identityId')),
+      ).thenThrow(Exception());
+      when(exceptionThrower.throwException(any, any)).thenThrow(Exception());
+      
+      // assert
+      expect(() => publicAssetDatasource.createPublicAsset(
+        session,
+        accoundId,
+        blobId: Id('123'),
+        identityId: identityId,
+      ), throwsException);
+    });
+
+    test(
+      'should redirect the call to publicAssetApi.destroyPublicAssets '
+      'when deletePublicAssets is called',
+    () async {
+      // arrange
+      final publicAssetIds = [Id('123')];
+      
+      // act
+      await publicAssetDatasource.deletePublicAssets(
+        session,
+        accoundId,
+        publicAssetIds: publicAssetIds,
+      );
+      
+      // assert
+      verify(publicAssetApi.destroyPublicAssets(
+        session,
+        accoundId,
+        publicAssetIds: publicAssetIds,
+      )).called(1);
+    });
+
+    test(
+      'should throw expected exception '
+      'when publicAssetApi.destroyPublicAssets is called '
+      'and publicAssetApi.destroyPublicAssets throw exception',
+    () async {
+      // arrange
+      when(
+        publicAssetApi.destroyPublicAssets(
+          any,
+          any,
+          publicAssetIds: anyNamed('publicAssetIds')),
+      ).thenThrow(Exception());
+      when(exceptionThrower.throwException(any, any)).thenThrow(Exception());
+      
+      // assert
+      expect(() => publicAssetDatasource.deletePublicAssets(
+        session,
+        accoundId,
+        publicAssetIds: [Id('123')],
+      ), throwsException);
+    });
+
+    test(
+      'should redirect the call to publicAssetApi.updatePublicAssets '
+      'when updatePublicAssets is called',
+    () async {
+      // arrange
+      final publicAssets = [PublicAsset()];
+      
+      // act
+      await publicAssetDatasource.updatePublicAssets(
+        session,
+        accoundId,
+        publicAssets: publicAssets,
+      );
+      
+      // assert
+      verify(publicAssetApi.updatePublicAssets(
+        session,
+        accoundId,
+        publicAssets: publicAssets,
+      )).called(1);
+    });
+
+    test(
+      'should throw expected exception '
+      'when publicAssetApi.updatePublicAssets is called '
+      'and publicAssetApi.updatePublicAssets throw exception',
+    () async {
+      // arrange
+      when(
+        publicAssetApi.updatePublicAssets(
+          any,
+          any,
+          publicAssets: anyNamed('publicAssets')),
+      ).thenThrow(Exception());
+      when(exceptionThrower.throwException(any, any)).thenThrow(Exception());
+      
+      // assert
+      expect(() => publicAssetDatasource.updatePublicAssets(
+        session,
+        accoundId,
+        publicAssets: [PublicAsset()],
+      ), throwsException);
+    });
+  });
+}
\ No newline at end of file
diff --git a/test/features/public_asset/data/repository/public_asset_repository_impl_test.dart b/test/features/public_asset/data/repository/public_asset_repository_impl_test.dart
new file mode 100644
index 000000000..6a2796246
--- /dev/null
+++ b/test/features/public_asset/data/repository/public_asset_repository_impl_test.dart
@@ -0,0 +1,117 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:jmap_dart_client/jmap/core/id.dart';
+import 'package:jmap_dart_client/jmap/core/session/session.dart';
+import 'package:jmap_dart_client/jmap/identities/identity.dart';
+import 'package:jmap_dart_client/jmap/mail/extensions/public_asset/public_asset.dart';
+import 'package:mockito/annotations.dart';
+import 'package:mockito/mockito.dart';
+import 'package:tmail_ui_user/features/public_asset/data/datasource/public_asset_datasource.dart';
+import 'package:tmail_ui_user/features/public_asset/data/repository/public_asset_repository_impl.dart';
+
+import 'public_asset_repository_impl_test.mocks.dart';
+
+@GenerateNiceMocks([
+  MockSpec<PublicAssetDatasource>(),
+  MockSpec<Session>(),
+  MockSpec<AccountId>(),
+])
+void main() {
+  final publicAssetDatasource = MockPublicAssetDatasource();
+  final publicAssetRepository = PublicAssetRepositoryImpl(publicAssetDatasource);
+  final session = MockSession();
+  final accoundId = MockAccountId();
+  final identityId = IdentityId(Id('123'));
+
+  group('public asset repository impl test:', () {
+    test(
+      'should redirect the call to publicAssetDatasource.getPublicAssetFromIds '
+      'when getPublicAssetFromIds in repository is called',
+    () async {
+      // arrange
+      final publicAssetIds = [Id('123')];
+      
+      // act
+      await publicAssetRepository.getPublicAssetsFromIds(
+        session,
+        accoundId,
+        publicAssetIds: publicAssetIds
+      );
+      
+      // assert
+      verify(publicAssetDatasource.getPublicAssetFromIds(
+        session,
+        accoundId,
+        publicAssetIds: publicAssetIds
+      )).called(1);
+    });
+
+    test(
+      'should redirect the call to publicAssetDatasource.createPublicAsset '
+      'when createPublicAsset in repository is called',
+    () async {
+      // arrange
+      final blobId = Id('123');
+      
+      // act
+      await publicAssetRepository.createPublicAsset(
+        session,
+        accoundId,
+        blobId: blobId,
+        identityId: identityId
+      );
+      
+      // assert
+      verify(publicAssetDatasource.createPublicAsset(
+        session,
+        accoundId,
+        blobId: blobId,
+        identityId: identityId
+      )).called(1);
+    });
+
+    test(
+      'should redirect the call to publicAssetDatasource.deletePublicAssets '
+      'when deletePublicAssets in repository is called',
+    () async {
+      // arrange
+      final publicAssetIds = [Id('123')];
+      
+      // act
+      await publicAssetRepository.deletePublicAssets(
+        session,
+        accoundId,
+        publicAssetIds: publicAssetIds
+      );
+      
+      // assert
+      verify(publicAssetDatasource.deletePublicAssets(
+        session,
+        accoundId,
+        publicAssetIds: publicAssetIds
+      )).called(1);
+    });
+
+    test(
+      'should redirect the call to publicAssetDatasource.updatePublicAssets '
+      'when updatePublicAssets in repository is called',
+    () async {
+      // arrange
+      final publicAssets = [PublicAsset(id: Id('123'))];
+      
+      // act
+      await publicAssetRepository.updatePublicAssets(
+        session,
+        accoundId,
+        publicAssets: publicAssets
+      );
+      
+      // assert
+      verify(publicAssetDatasource.updatePublicAssets(
+        session,
+        accoundId,
+        publicAssets: publicAssets
+      )).called(1);
+    });
+  });
+}
\ No newline at end of file