Initial commit: unionflow-mobile-apps

Application Flutter complète (sans build artifacts).

Signed-off-by: lions dev Team

test/features/events/domain/usecases/cancel_registration_test.dart

@@ -0,0 +1,65 @@
+/// Tests unitaires pour CancelRegistration use case
+library cancel_registration_test;
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:mockito/annotations.dart';
+import 'package:mockito/mockito.dart';
+import 'package:unionflow_mobile_apps/features/events/domain/repositories/evenement_repository.dart';
+import 'package:unionflow_mobile_apps/features/events/domain/usecases/cancel_registration.dart';
+
+@GenerateMocks([IEvenementRepository])
+import 'cancel_registration_test.mocks.dart';
+
+void main() {
+  late CancelRegistration useCase;
+  late MockIEvenementRepository mockRepository;
+
+  setUp(() {
+    mockRepository = MockIEvenementRepository();
+    useCase = CancelRegistration(mockRepository);
+  });
+
+  group('CancelRegistration Use Case', () {
+    const tEventId = 'event123';
+
+    test('should cancel registration successfully', () async {
+      // Arrange
+      when(mockRepository.desinscrireEvenement(tEventId))
+          .thenAnswer((_) async => Future.value());
+
+      // Act
+      await useCase(tEventId);
+
+      // Assert
+      verify(mockRepository.desinscrireEvenement(tEventId));
+      verifyNoMoreInteractions(mockRepository);
+    });
+
+    test('should throw exception when event not found', () async {
+      // Arrange
+      when(mockRepository.desinscrireEvenement(any))
+          .thenThrow(Exception('Événement non trouvé'));
+
+      // Act & Assert
+      expect(() => useCase('nonexistent'), throwsA(isA<Exception>()));
+    });
+
+    test('should throw exception when not registered', () async {
+      // Arrange
+      when(mockRepository.desinscrireEvenement(any))
+          .thenThrow(Exception('Vous n\'êtes pas inscrit à cet événement'));
+
+      // Act & Assert
+      expect(() => useCase(tEventId), throwsA(isA<Exception>()));
+    });
+
+    test('should throw exception when cancellation fails', () async {
+      // Arrange
+      when(mockRepository.desinscrireEvenement(any))
+          .thenThrow(Exception('Erreur de désinscription'));
+
+      // Act & Assert
+      expect(() => useCase(tEventId), throwsException);
+    });
+  });
+}