62 lines
2.0 KiB
Dart
62 lines
2.0 KiB
Dart
import 'dart:typed_data';
|
|
|
|
import 'package:flutter_test/flutter_test.dart';
|
|
import 'package:image/image.dart' as img;
|
|
|
|
import 'package:bully/services/ai_export_service.dart';
|
|
|
|
/// Construit un JPEG porteur de métadonnées EXIF comme le ferait un téléphone :
|
|
/// position GPS, modèle d'appareil et orientation.
|
|
Uint8List _photoWithExif({int orientation = 1}) {
|
|
final image = img.Image(width: 40, height: 20);
|
|
img.fill(image, color: img.ColorRgb8(120, 120, 120));
|
|
|
|
image.exif.imageIfd['Model'] = 'Pixel 8';
|
|
image.exif.imageIfd.orientation = orientation;
|
|
image.exif.gpsIfd['GPSLatitude'] = 48.8584;
|
|
image.exif.gpsIfd['GPSLongitude'] = 2.2945;
|
|
|
|
return img.encodeJpg(image);
|
|
}
|
|
|
|
void main() {
|
|
final service = AiExportService();
|
|
|
|
group('stripMetadata', () {
|
|
test('supprime le GPS et les autres métadonnées EXIF', () {
|
|
final original = _photoWithExif();
|
|
|
|
// Garde-fou : sans EXIF au départ, le test ne prouverait rien.
|
|
expect(img.decodeImage(original)!.exif.isEmpty, isFalse);
|
|
|
|
final stripped = service.stripMetadata(original);
|
|
final result = img.decodeImage(stripped!)!;
|
|
|
|
expect(result.exif.isEmpty, isTrue);
|
|
expect(result.exif.gpsIfd.isEmpty, isTrue);
|
|
});
|
|
|
|
test('applique l\'orientation aux pixels avant de retirer le tag', () {
|
|
// Orientation 6 = rotation de 90°, donc les dimensions s'inversent.
|
|
final original = _photoWithExif(orientation: 6);
|
|
|
|
final result = img.decodeImage(service.stripMetadata(original)!)!;
|
|
|
|
expect(result.width, 20);
|
|
expect(result.height, 40);
|
|
expect(result.exif.isEmpty, isTrue);
|
|
});
|
|
|
|
test('conserve les dimensions quand il n\'y a pas d\'orientation', () {
|
|
final result = img.decodeImage(service.stripMetadata(_photoWithExif())!)!;
|
|
|
|
expect(result.width, 40);
|
|
expect(result.height, 20);
|
|
});
|
|
|
|
test('retourne null sur une image illisible', () {
|
|
expect(service.stripMetadata(Uint8List.fromList([1, 2, 3, 4])), isNull);
|
|
});
|
|
});
|
|
}
|