Imrpoved image handling since the size of the image is about 5MB.

hartmann-foto-documentation-frontend/pubspec.yaml

@@ -75,6 +75,7 @@ dev_dependencies:
   flutter_lints: ^6.0.0
   mockito: ^5.4.5
   build_runner: ^2.4.14
+  flutter_image_test_utils: ^1.1.0
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec

hartmann-foto-documentation-frontend/test/pages/customer_widget_test.dart

@@ -12,6 +12,7 @@ import 'package:fotodocumentation/controller/customer_controller.dart';
 import 'package:fotodocumentation/controller/picture_controller.dart';
 import 'package:fotodocumentation/dto/customer_dto.dart';
 import 'package:fotodocumentation/utils/di_container.dart';
+import 'package:flutter_image_test_utils/flutter_image_test_utils.dart';
 
 import '../testing/test_utils.dart';
 import '../testing/test_utils.mocks.dart';
@@ -31,7 +32,7 @@ void main() {
 
       when(controller.get(id: 1)).thenAnswer((_) async => _dto);
       when(controller.getAll("", "")).thenAnswer((_) async => _list);
-
+      provideMockedNetworkImages(() async {
         await pumpAppConfig(tester, "${GlobalRouter.pathHome}${GlobalRouter.pathCustomer}/1");
         verify(controller.get(id: 1)).called(1);
 
@@ -42,6 +43,7 @@ void main() {
         // Verify that the popup is shown by checking for the PictureWidget
         expect(find.byType(PictureWidget), findsOneWidget);
       });
+    });
 
     testWidgets('Customer delete yes', (WidgetTester tester) async {
       setScreenSize(tester, 1024, 1024);
@@ -55,6 +57,7 @@ void main() {
       when(controller.getAll("", "")).thenAnswer((_) async => _list);
       when(pictureController.delete(argThat(isA<PictureDto>()))).thenAnswer((_) async => true);
 
+      provideMockedNetworkImages(() async {
         await pumpAppConfig(tester, "${GlobalRouter.pathHome}${GlobalRouter.pathCustomer}/1");
         verify(controller.get(id: 1)).called(1);
 
@@ -72,6 +75,7 @@ void main() {
         // Verify that the delete method was called on the picture controller
         verify(pictureController.delete(argThat(isA<PictureDto>()))).called(1);
       });
+    });
 
     testWidgets('Customer delete no', (WidgetTester tester) async {
       setScreenSize(tester, 1024, 1024);
@@ -84,6 +88,7 @@ void main() {
       when(controller.get(id: 1)).thenAnswer((_) async => _dto);
       when(controller.getAll("", "")).thenAnswer((_) async => _list);
 
+      provideMockedNetworkImages(() async {
         await pumpAppConfig(tester, "${GlobalRouter.pathHome}${GlobalRouter.pathCustomer}/1");
         verify(controller.get(id: 1)).called(1);
 
@@ -102,10 +107,20 @@ void main() {
         verifyNever(pictureController.delete(argThat(isA<PictureDto>())));
       });
     });
+  });
 }
 
 CustomerDto _dto = CustomerDto(id: 1, customerNumber: "CODE1", name: "Customer 1", pictures: [
-  PictureDto(id: 1, comment: "Some comment", category: "category", pictureDate: DateTime.now(), username: "username", imageUrl: "", evaluation: 1, normalSizeUrl: "", thumbnailSizeUrl: ""),
+  PictureDto(
-  ]);
+      id: 1,
+      comment: "Some comment",
+      category: "category",
+      pictureDate: DateTime.now(),
+      username: "username",
+      imageUrl: "https://en.wikipedia.org/wiki/File:Keir_Starmer_meets_T%C3%B4_L%C3%A2m_29-10-2025_(6)_(cropped).jpg",
+      evaluation: 1,
+      normalSizeUrl: "https://en.wikipedia.org/wiki/File:Keir_Starmer_meets_T%C3%B4_L%C3%A2m_29-10-2025_(6)_(cropped).jpg",
+      thumbnailSizeUrl: "https://en.wikipedia.org/wiki/File:Keir_Starmer_meets_T%C3%B4_L%C3%A2m_29-10-2025_(6)_(cropped).jpg"),
+]);
 
 List<CustomerListDto> _list = [CustomerListDto(id: 1, customerNumber: "CODE1", name: "Customer 1"), CustomerListDto(id: 2, customerNumber: "CODE2", name: "Customer 2")];

hartmann-foto-documentation-frontend/test/pages/picture_widget_test.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_image_test_utils/image_test/image_test_io.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:fotodocumentation/controller/customer_controller.dart';
 import 'package:fotodocumentation/dto/customer_dto.dart' show CustomerDto, CustomerListDto;
@@ -78,6 +79,7 @@ void main() {
       when(mockCustomerController.get(id: 1)).thenAnswer((_) async => customerDto);
       when(mockCustomerController.getAll("", "")).thenAnswer((_) async => _list);
 
+      provideMockedNetworkImages(() async {
         await pumpAppConfig(tester, "${GlobalRouter.pathHome}${GlobalRouter.pathCustomer}/1${GlobalRouter.pathPicture}/1");
         await tester.pumpAndSettle();
 
@@ -91,6 +93,7 @@ void main() {
         expect(find.text('KUNDENNUMMER'), findsOneWidget);
         expect(find.text('KOMMENTAR'), findsOneWidget);
       });
+    });
 
     testWidgets('displays picture comment', (WidgetTester tester) async {
       setScreenSize(tester, 1024, 1024);
@@ -98,25 +101,28 @@ void main() {
       when(mockCustomerController.get(id: 1)).thenAnswer((_) async => customerDto);
       when(mockCustomerController.getAll("", "")).thenAnswer((_) async => _list);
 
+      provideMockedNetworkImages(() async {
         await pumpAppConfig(tester, "${GlobalRouter.pathHome}${GlobalRouter.pathCustomer}/1${GlobalRouter.pathPicture}/1");
         await tester.pumpAndSettle();
 
         // Verify the comment is displayed
         expect(find.text('First picture comment'), findsOneWidget);
       });
+    });
 
     testWidgets('displays empty string when comment is null', (WidgetTester tester) async {
       setScreenSize(tester, 1024, 1024);
 
       when(mockCustomerController.get(id: 1)).thenAnswer((_) async => customerDto);
       when(mockCustomerController.getAll("", "")).thenAnswer((_) async => _list);
-
+      provideMockedNetworkImages(() async {
         await pumpAppConfig(tester, "${GlobalRouter.pathHome}${GlobalRouter.pathCustomer}/1${GlobalRouter.pathPicture}/1");
         await tester.pumpAndSettle();
 
         // The comment field should be empty but the label should exist
         expect(find.text('KOMMENTAR'), findsOneWidget);
       });
+    });
 
     testWidgets('shows both navigation buttons at bottom', (WidgetTester tester) async {
       setScreenSize(tester, 1024, 1024);
@@ -124,6 +130,7 @@ void main() {
       when(mockCustomerController.get(id: 1)).thenAnswer((_) async => customerDto);
       when(mockCustomerController.getAll("", "")).thenAnswer((_) async => _list);
 
+      provideMockedNetworkImages(() async {
         await pumpAppConfig(tester, "${GlobalRouter.pathHome}${GlobalRouter.pathCustomer}/1${GlobalRouter.pathPicture}/1");
         await tester.pumpAndSettle();
 
@@ -131,13 +138,14 @@ void main() {
         expect(find.byKey(Key("navigate_left")), findsOneWidget);
         expect(find.byKey(Key("navigate_right")), findsOneWidget);
       });
+    });
 
     testWidgets('shows both navigation buttons when on middle picture', (WidgetTester tester) async {
       setScreenSize(tester, 1024, 1024);
 
       when(mockCustomerController.get(id: 1)).thenAnswer((_) async => customerDto);
       when(mockCustomerController.getAll("", "")).thenAnswer((_) async => _list);
-
+      provideMockedNetworkImages(() async {
         await pumpAppConfig(tester, "${GlobalRouter.pathHome}${GlobalRouter.pathCustomer}/1${GlobalRouter.pathPicture}/1");
         await tester.pumpAndSettle();
 
@@ -145,13 +153,14 @@ void main() {
         expect(find.byKey(Key("navigate_left")), findsOneWidget);
         expect(find.byKey(Key("navigate_right")), findsOneWidget);
       });
+    });
 
     testWidgets('shows both navigation buttons on last picture', (WidgetTester tester) async {
       setScreenSize(tester, 1024, 1024);
 
       when(mockCustomerController.get(id: 1)).thenAnswer((_) async => customerDto);
       when(mockCustomerController.getAll("", "")).thenAnswer((_) async => _list);
-
+      provideMockedNetworkImages(() async {
         await pumpAppConfig(tester, "${GlobalRouter.pathHome}${GlobalRouter.pathCustomer}/1${GlobalRouter.pathPicture}/1");
         await tester.pumpAndSettle();
 
@@ -159,13 +168,14 @@ void main() {
         expect(find.byKey(Key("navigate_left")), findsOneWidget);
         expect(find.byKey(Key("navigate_right")), findsOneWidget);
       });
+    });
 
     testWidgets('navigates to next picture when right button is tapped', (WidgetTester tester) async {
       setScreenSize(tester, 1024, 1024);
 
       when(mockCustomerController.get(id: 1)).thenAnswer((_) async => customerDto);
       when(mockCustomerController.getAll("", "")).thenAnswer((_) async => _list);
-
+      provideMockedNetworkImages(() async {
         await pumpAppConfig(tester, "${GlobalRouter.pathHome}${GlobalRouter.pathCustomer}/1${GlobalRouter.pathPicture}/1");
         await tester.pumpAndSettle();
 
@@ -180,6 +190,7 @@ void main() {
         expect(find.text('Second picture comment'), findsOneWidget);
         expect(find.text('First picture comment'), findsNothing);
       });
+    });
 
     testWidgets('navigates to previous picture when left button is tapped', (WidgetTester tester) async {
       setScreenSize(tester, 1024, 1024);
@@ -187,6 +198,7 @@ void main() {
       when(mockCustomerController.get(id: 1)).thenAnswer((_) async => customerDto);
       when(mockCustomerController.getAll("", "")).thenAnswer((_) async => _list);
 
+      provideMockedNetworkImages(() async {
         await pumpAppConfig(tester, "${GlobalRouter.pathHome}${GlobalRouter.pathCustomer}/1${GlobalRouter.pathPicture}/2");
         await tester.pumpAndSettle();
 
@@ -201,6 +213,7 @@ void main() {
         expect(find.text('First picture comment'), findsOneWidget);
         expect(find.text('Second picture comment'), findsNothing);
       });
+    });
 
     testWidgets('shows disabled navigation buttons when only one picture', (WidgetTester tester) async {
       setScreenSize(tester, 1024, 1024);
@@ -215,6 +228,7 @@ void main() {
       when(mockCustomerController.get(id: 1)).thenAnswer((_) async => singlePictureCustomer);
       when(mockCustomerController.getAll("", "")).thenAnswer((_) async => _list);
 
+      provideMockedNetworkImages(() async {
         await pumpAppConfig(tester, "${GlobalRouter.pathHome}${GlobalRouter.pathCustomer}/1${GlobalRouter.pathPicture}/1");
         await tester.pumpAndSettle();
 
@@ -222,13 +236,14 @@ void main() {
         expect(find.byKey(Key("navigate_left")), findsOneWidget);
         expect(find.byKey(Key("navigate_right")), findsOneWidget);
       });
+    });
 
     testWidgets('opens fullscreen dialog when image is tapped', (WidgetTester tester) async {
       setScreenSize(tester, 2048, 2048);
 
       when(mockCustomerController.get(id: 1)).thenAnswer((_) async => customerDto);
       when(mockCustomerController.getAll("", "")).thenAnswer((_) async => _list);
-
+      provideMockedNetworkImages(() async {
         await pumpAppConfig(tester, "${GlobalRouter.pathHome}${GlobalRouter.pathCustomer}/1${GlobalRouter.pathPicture}/1");
         await tester.pumpAndSettle();
 
@@ -249,6 +264,7 @@ void main() {
         expect(find.byType(PictureFullscreenDialog), findsOneWidget);
       });
     });
+  });
 }
 
 List<CustomerListDto> _list = [CustomerListDto(id: 1, customerNumber: "CODE1", name: "Customer 1"), CustomerListDto(id: 2, customerNumber: "CODE2", name: "Customer 2")];