TF-2877 Create notification data source & repo

test/features/manage_account/data/datasource_impl/notification_datasource_impl_test.dart

@@ -0,0 +1,101 @@
+import 'package:flutter/foundation.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:jmap_dart_client/jmap/core/user_name.dart';
+import 'package:mockito/annotations.dart';
+import 'package:mockito/mockito.dart';
+import 'package:tmail_ui_user/features/manage_account/data/datasource_impl/notification_datasource_impl.dart';
+import 'package:tmail_ui_user/main/exceptions/exception_thrower.dart';
+import 'package:tmail_ui_user/main/permissions/notification_permission_service.dart';
+
+import 'notification_datasource_impl_test.mocks.dart';
+
+@GenerateNiceMocks([
+  MockSpec<NotificationPermissionService>(),
+  MockSpec<ExceptionThrower>()])
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+  
+  final permissionService = MockNotificationPermissionService();
+  final exceptionThrower = MockExceptionThrower();
+  final notificationDatasourceImpl = NotificationDataSourceImpl(
+    permissionService,
+    exceptionThrower);
+
+  final userName = UserName('value');
+
+  void setMockNotificationPermission({
+    VoidCallback? openAppSettingsCallback,
+  }) {
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+      .setMockMethodCallHandler(
+        const MethodChannel('com.spencerccf.app_settings/methods'),
+        (message) async {
+          if (message.method == 'openSettings') {
+            openAppSettingsCallback?.call();
+            return true;
+          }
+
+          return null;
+        });
+  }
+
+  group('notification datasource test:', () {
+    group('getAppNotificationSetting test:', () {
+      test(
+        'should return true '
+        'when user grants notification permission',
+      () async {
+        // arrange
+        debugDefaultTargetPlatformOverride = TargetPlatform.android;
+        when(permissionService.checkNotificationPermissionEnabled(any)).thenAnswer((_) async => true);
+
+        // act
+        final result = await notificationDatasourceImpl.getNotificationSetting(userName);
+
+        // assert
+        verify(permissionService.checkNotificationPermissionEnabled(userName.value));
+        expect(result, true);
+        debugDefaultTargetPlatformOverride = null;
+      });
+
+      test(
+        'should return false '
+        'when user denies notification permission',
+      () async {
+        // arrange
+        debugDefaultTargetPlatformOverride = TargetPlatform.android;
+        when(permissionService.checkNotificationPermissionEnabled(any)).thenAnswer((_) async => false);
+
+        // act
+        final result = await notificationDatasourceImpl.getNotificationSetting(userName);
+
+        // assert
+        verify(permissionService.checkNotificationPermissionEnabled(userName.value));
+        expect(result, false);
+        debugDefaultTargetPlatformOverride = null;
+      });
+    });
+
+    group('toggleAppNotificationSetting test:', () {
+      test(
+        'should call openAppSettings '
+        'when user toggles notification setting on',
+      () async {
+        // arrange
+        debugDefaultTargetPlatformOverride = TargetPlatform.android;
+        bool openAppSettingsCalled = false;
+        setMockNotificationPermission(openAppSettingsCallback: () {
+          openAppSettingsCalled = true;
+        });
+
+        // act
+        await notificationDatasourceImpl.toggleNotificationSetting();
+
+        // assert
+        expect(openAppSettingsCalled, true);
+        debugDefaultTargetPlatformOverride = null;
+      });
+    });
+  });
+}

test/features/manage_account/data/repository/notification_repository_impl_test.dart

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+import 'package:flutter_test/flutter_test.dart';
+import 'package:jmap_dart_client/jmap/core/user_name.dart';
+import 'package:mockito/annotations.dart';
+import 'package:mockito/mockito.dart';
+import 'package:tmail_ui_user/features/manage_account/data/datasource/notification_datasource.dart';
+import 'package:tmail_ui_user/features/manage_account/data/repository/notification_repository_impl.dart';
+
+import 'notification_repository_impl_test.mocks.dart';
+
+@GenerateNiceMocks([MockSpec<NotificationDataSource>()])
+void main() {
+  final notificationDataSource = MockNotificationDataSource();
+  final notificationRepositoryImpl = NotificationRepositoryImpl(notificationDataSource);
+
+  final userName = UserName('value');
+
+  group('notification repository impl test:', () {
+    test(
+      'should call getNotificationSetting '
+      'when getNotificationSetting in datasource is called',
+    () {
+      // arrange
+      when(notificationDataSource.getNotificationSetting(any))
+        .thenAnswer((_) async => true);
+
+      // act
+      notificationRepositoryImpl.getNotificationSetting(userName);
+
+      // assert
+      verify(notificationDataSource.getNotificationSetting(userName)).called(1);
+    });
+
+    test(
+      'should call toggleNotificationSetting '
+      'when toggleNotificationSetting in datasource is called',
+    () {
+      // arrange
+      when(notificationDataSource.toggleNotificationSetting())
+        .thenAnswer((_) async => true);
+
+      // act
+      notificationRepositoryImpl.toggleNotificationSetting();
+
+      // assert
+      verify(notificationDataSource.toggleNotificationSetting()).called(1);
+    });
+  });
+}