feat(payment, chat): promo code mocked BottomSheet added

test/features/payment/presentation/widgets/promo_code_gate_bottom_sheet_test.dart

@@ -0,0 +1,65 @@
+import 'package:eatvio_app/core/theme/theme_helper.dart';
+import 'package:eatvio_app/core/widgets/bottom_sheet_handler_bar.dart';
+import 'package:eatvio_app/features/payment/presentation/widgets/promo_code_gate_bottom_sheet.dart';
+import 'package:eatvio_app/generated/l10n.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_localizations/flutter_localizations.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  group('PromoCodeGateBottomSheet', () {
+    Widget createTestWidget({required ValueChanged<bool?> onResult}) {
+      return MaterialApp(
+        theme: ThemeHelper().themeData(),
+        localizationsDelegates: const [
+          S.delegate,
+          GlobalMaterialLocalizations.delegate,
+          GlobalWidgetsLocalizations.delegate,
+          GlobalCupertinoLocalizations.delegate,
+        ],
+        supportedLocales: const [Locale('ru')],
+        home: Scaffold(
+          body: PromoCodeGateBottomSheet(onResult: onResult),
+        ),
+      );
+    }
+
+    testWidgets('показывает заголовок, BottomSheetHandlerBar и кнопки Да/Нет', (tester) async {
+      await tester.pumpWidget(createTestWidget(onResult: (_) {}));
+      await tester.pump();
+
+      expect(find.byType(BottomSheetHandlerBar), findsOneWidget);
+      expect(find.text('У вас есть промокод?'), findsOneWidget);
+      expect(find.text('Да'), findsOneWidget);
+      expect(find.text('Нет'), findsOneWidget);
+    });
+
+    testWidgets('tap Да вызывает onResult(true)', (tester) async {
+      bool? result;
+      await tester.pumpWidget(
+        createTestWidget(onResult: (v) => result = v),
+      );
+      await tester.pump();
+
+      await tester.tap(find.text('Да'));
+      await tester.pump();
+
+      expect(result, isTrue);
+    });
+
+    testWidgets('tap Нет вызывает onResult(false)', (tester) async {
+      bool? result;
+      await tester.pumpWidget(
+        createTestWidget(onResult: (v) => result = v),
+      );
+      await tester.pump();
+
+      await tester.tap(find.text('Нет'));
+      await tester.pump();
+
+      expect(result, isFalse);
+    });
+  });
+}

test/features/payment/presentation/widgets/promo_code_modal_test.dart

@@ -0,0 +1,101 @@
+import 'package:eatvio_app/core/theme/theme_helper.dart';
+import 'package:eatvio_app/features/payment/presentation/widgets/promo_code_modal.dart';
+import 'package:eatvio_app/generated/l10n.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_localizations/flutter_localizations.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  group('ItvioPromoCodeModal', () {
+    Widget createTestWidget({
+      Future<PromoValidation> Function(String)? onValidate,
+    }) {
+      return MaterialApp(
+        theme: ThemeHelper().themeData(),
+        localizationsDelegates: const [
+          S.delegate,
+          GlobalMaterialLocalizations.delegate,
+          GlobalWidgetsLocalizations.delegate,
+          GlobalCupertinoLocalizations.delegate,
+        ],
+        supportedLocales: const [Locale('ru')],
+        home: Builder(
+          builder: (context) => ElevatedButton(
+            onPressed: () => ItvioPromoCodeModal.show(
+              context,
+              onValidate: onValidate,
+            ),
+            child: const Text('Open'),
+          ),
+        ),
+      );
+    }
+
+    testWidgets('показывает заголовок Есть промокод? и кнопки Применить/Пропустить', (tester) async {
+      await tester.pumpWidget(createTestWidget());
+      await tester.tap(find.text('Open'));
+      await tester.pumpAndSettle();
+
+      expect(find.text('Есть промокод?'), findsOneWidget);
+      expect(find.text('Применить'), findsOneWidget);
+      expect(find.text('Пропустить'), findsOneWidget);
+    });
+
+    testWidgets('Применить с пустым полем показывает ошибку и не закрывает', (tester) async {
+      await tester.pumpWidget(createTestWidget());
+      await tester.tap(find.text('Open'));
+      await tester.pumpAndSettle();
+
+      await tester.tap(find.text('Применить'));
+      await tester.pump();
+
+      expect(find.text('Введите промокод'), findsAtLeast(1));
+      expect(find.text('Применить'), findsOneWidget);
+    });
+
+    testWidgets('Применить с вводом вызывает onValidate и показывает ошибку', (tester) async {
+      PromoValidation? captured;
+      await tester.pumpWidget(
+        createTestWidget(
+          onValidate: (code) async {
+            captured ??= PromoValidation.failure('Промокод не найден или истёк');
+            return captured!;
+          },
+        ),
+      );
+      await tester.tap(find.text('Open'));
+      await tester.pumpAndSettle();
+
+      await tester.enterText(find.byType(TextField), 'TEST123');
+      await tester.tap(find.text('Применить'));
+      await tester.pump();
+
+      expect(captured, isNotNull);
+      expect(find.text('Промокод не найден или истёк'), findsOneWidget);
+      expect(find.text('Применить'), findsOneWidget);
+    });
+
+    testWidgets('Пропустить закрывает шторку', (tester) async {
+      await tester.pumpWidget(createTestWidget());
+      await tester.tap(find.text('Open'));
+      await tester.pumpAndSettle();
+
+      await tester.tap(find.text('Пропустить'));
+      await tester.pumpAndSettle();
+
+      expect(find.text('Есть промокод?'), findsNothing);
+    });
+
+    testWidgets('отсутствует UI applied-состояния (Промокод применён)', (tester) async {
+      await tester.pumpWidget(createTestWidget());
+      await tester.tap(find.text('Open'));
+      await tester.pumpAndSettle();
+
+      expect(find.text('Промокод применён!'), findsNothing);
+      expect(find.text('Продолжить'), findsNothing);
+      expect(find.text('Убрать промокод'), findsNothing);
+    });
+  });
+}