이벤트 가져오기 위젯 테스트 추가 및 테스트 훅 도입

mobile/lib/screens/subscription/subscription_details_screen.dart

@@ -136,7 +136,7 @@ class _SubscriptionDetailsScreenState extends State<SubscriptionDetailsScreen> {
                 color: Colors.white,
                 boxShadow: [
                   BoxShadow(
-                    color: Colors.black.withOpacity(0.1),
+                    color: Colors.black.withValues(alpha: 0.1),
                     blurRadius: 10,
                     offset: const Offset(0, -5),
                   ),
@@ -207,7 +207,7 @@ class _SubscriptionDetailsScreenState extends State<SubscriptionDetailsScreen> {
                           vertical: 2,
                         ),
                         decoration: BoxDecoration(
-                          color: Colors.amber.withOpacity(0.1),
+                          color: Colors.amber.withValues(alpha: 0.1),
                           borderRadius: BorderRadius.circular(12),
                           border: Border.all(color: Colors.amber),
                         ),
@@ -349,6 +349,8 @@ class _SubscriptionDetailsScreenState extends State<SubscriptionDetailsScreen> {
   }
 
   Future<void> _subscribe(BuildContext context) async {
+    final messenger = ScaffoldMessenger.of(context);
+    final navigator = Navigator.of(context);
     setState(() {
       _isLoading = true;
     });
@@ -361,12 +363,12 @@ class _SubscriptionDetailsScreenState extends State<SubscriptionDetailsScreen> {
       );
 
       if (success && mounted) {
-        ScaffoldMessenger.of(context).showSnackBar(
+        messenger.showSnackBar(
           const SnackBar(content: Text('구독이 성공적으로 완료되었습니다')),
         );
-        Navigator.of(context).pop(); // 상세 화면 닫기
+        navigator.pop(); // 상세 화면 닫기
       } else if (mounted) {
-        ScaffoldMessenger.of(context).showSnackBar(
+        messenger.showSnackBar(
           SnackBar(
             content: Text(subscriptionService.error ?? '구독 처리 중 오류가 발생했습니다'),
             backgroundColor: Colors.red,
@@ -375,7 +377,7 @@ class _SubscriptionDetailsScreenState extends State<SubscriptionDetailsScreen> {
       }
     } catch (e) {
       if (mounted) {
-        ScaffoldMessenger.of(context).showSnackBar(
+        messenger.showSnackBar(
           SnackBar(
             content: Text('오류: $e'),
             backgroundColor: Colors.red,

mobile/lib/screens/subscription/subscription_screen.dart

@@ -4,6 +4,7 @@ import 'package:provider/provider.dart';
 import '../../models/subscription_model.dart';
 import '../../services/subscription_service.dart';
 import 'subscription_details_screen.dart';
+import '../../widgets/dialog_actions.dart';
 
 class SubscriptionScreen extends StatefulWidget {
   const SubscriptionScreen({super.key});
@@ -24,7 +25,7 @@ class _SubscriptionScreenState extends State<SubscriptionScreen> {
         context,
         listen: false,
       );
-      subscriptionService.fetchCurrentSubscription();
+      subscriptionService.loadCurrentSubscription();
     });
   }
 
@@ -49,7 +50,7 @@ class _SubscriptionScreenState extends State<SubscriptionScreen> {
                   const SizedBox(height: 16),
                   ElevatedButton(
                     onPressed: () =>
-                        subscriptionService.fetchCurrentSubscription(),
+                        subscriptionService.loadCurrentSubscription(),
                     child: const Text('다시 시도'),
                   ),
                 ],
@@ -121,8 +122,8 @@ class _SubscriptionScreenState extends State<SubscriptionScreen> {
                         ),
                         decoration: BoxDecoration(
                           color: subscription.isActive
-                              ? Colors.green.withOpacity(0.1)
-                              : Colors.grey.withOpacity(0.1),
+                              ? Colors.green.withValues(alpha: 0.1)
+                              : Colors.grey.withValues(alpha: 0.1),
                           borderRadius: BorderRadius.circular(16),
                           border: Border.all(
                             color: subscription.isActive
@@ -222,7 +223,7 @@ class _SubscriptionScreenState extends State<SubscriptionScreen> {
             onPressed: () {
               setState(() {
                 // 플랜 선택 화면으로 전환
-                subscriptionService.fetchCurrentSubscription();
+                subscriptionService.loadCurrentSubscription();
               });
             },
             icon: const Icon(Icons.upgrade),
@@ -271,7 +272,7 @@ class _SubscriptionScreenState extends State<SubscriptionScreen> {
                       vertical: 2,
                     ),
                     decoration: BoxDecoration(
-                      color: Colors.green.withOpacity(0.1),
+                      color: Colors.green.withValues(alpha: 0.1),
                       borderRadius: BorderRadius.circular(12),
                       border: Border.all(color: Colors.green),
                     ),
@@ -340,7 +341,7 @@ class _SubscriptionScreenState extends State<SubscriptionScreen> {
                                   vertical: 4,
                                 ),
                                 decoration: BoxDecoration(
-                                  color: Colors.amber.withOpacity(0.1),
+                                  color: Colors.amber.withValues(alpha: 0.1),
                                   borderRadius: BorderRadius.circular(16),
                                   border: Border.all(color: Colors.amber),
                                 ),
@@ -441,42 +442,40 @@ class _SubscriptionScreenState extends State<SubscriptionScreen> {
   }
 
   void _showCancelDialog(SubscriptionService subscriptionService) {
+    final messenger = ScaffoldMessenger.of(context);
+    final navigator = Navigator.of(context);
     showDialog(
       context: context,
-      builder: (context) => AlertDialog(
+      builder: (dialogContext) => AlertDialog(
         title: const Text('구독 취소'),
         content: const Text(
           '정말로 구독을 취소하시겠습니까?\n'
           '취소하면 현재 구독 기간이 끝날 때까지만 서비스를 이용할 수 있습니다.',
         ),
-        actions: [
-          TextButton(
-            onPressed: () => Navigator.of(context).pop(),
-            child: const Text('아니오'),
-          ),
-          TextButton(
-            onPressed: () async {
-              Navigator.of(context).pop();
-              final success = await subscriptionService.cancelSubscription();
-              if (success && mounted) {
-                ScaffoldMessenger.of(
-                  context,
-                ).showSnackBar(const SnackBar(content: Text('구독이 취소되었습니다')));
-              }
-            },
-            style: TextButton.styleFrom(foregroundColor: Colors.red),
-            child: const Text('예, 취소합니다'),
-          ),
-        ],
+        actions: DialogActions.confirm(
+          onCancel: () => Navigator.of(dialogContext).pop(),
+          onConfirm: () async {
+            navigator.pop();
+            final success = await subscriptionService.cancelSubscription();
+            if (success && mounted) {
+              messenger.showSnackBar(
+                const SnackBar(content: Text('구독이 취소되었습니다')),
+              );
+            }
+          },
+          destructive: true,
+          confirmText: '예, 취소합니다',
+        ),
       ),
     );
   }
 
   void _toggleAutoRenew(SubscriptionService subscriptionService) async {
+    final messenger = ScaffoldMessenger.of(context);
     final success = await subscriptionService.toggleAutoRenew();
     if (success && mounted) {
       final isAutoRenew = subscriptionService.currentSubscription!.autoRenew;
-      ScaffoldMessenger.of(context).showSnackBar(
+      messenger.showSnackBar(
         SnackBar(
           content: Text(isAutoRenew ? '자동 갱신이 활성화되었습니다' : '자동 갱신이 비활성화되었습니다'),
         ),