import 'dart:io';
import 'package:flutter_test/flutter_test.dart';
import 'package:app_pfm_ocr_v2/core/utils/exif_helper.dart';

void main() {
  test('ExifHelper returns null for non-existent file', () async {
    final result = await ExifHelper.extractGps('non_existent_file.jpg');
    expect(result, isNull);
  });

  test('ExifHelper returns null for plain text files / invalid images', () async {
    final tempDir = Directory.systemTemp.createTempSync();
    final tempFile = File('${tempDir.path}/plain_text.txt');
    tempFile.writeAsStringSync('not a jpg image file data');

    try {
      final result = await ExifHelper.extractGps(tempFile.path);
      expect(result, isNull);
    } finally {
      tempFile.deleteSync();
      tempDir.deleteSync();
    }
  });
}