pdf_signature/test/widget/helpers.dart

73 lines
2.5 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:image/image.dart' as img;
import 'dart:typed_data';
import 'package:pdf_signature/ui/features/pdf/widgets/pdf_screen.dart';
import 'package:pdf_signature/ui/features/signature/view_model/signature_controller.dart';
import 'package:pdf_signature/ui/features/pdf/view_model/pdf_controller.dart';
import 'package:pdf_signature/data/services/export_providers.dart';
import 'package:pdf_signature/l10n/app_localizations.dart';
// preferences_providers.dart no longer exports pageViewModeProvider
Future<void> pumpWithOpenPdf(WidgetTester tester) async {
await tester.pumpWidget(
ProviderScope(
overrides: [
pdfProvider.overrideWith(
(ref) => PdfController()..openPicked(path: 'test.pdf'),
),
useMockViewerProvider.overrideWith((ref) => true),
// Continuous mode is always-on; no page view override needed
],
child: MaterialApp(
localizationsDelegates: AppLocalizations.localizationsDelegates,
supportedLocales: AppLocalizations.supportedLocales,
home: const PdfSignatureHomePage(),
),
),
);
await tester.pump();
}
Future<void> pumpWithOpenPdfAndSig(WidgetTester tester) async {
// Create a tiny sample signature image (PNG) for deterministic tests
final canvas = img.Image(width: 60, height: 30);
// White background
img.fill(canvas, color: img.ColorUint8.rgb(255, 255, 255));
// Black rectangle line as a "signature"
img.drawLine(
canvas,
x1: 5,
y1: 15,
x2: 55,
y2: 15,
color: img.ColorUint8.rgb(0, 0, 0),
);
final sigBytes = Uint8List.fromList(img.encodePng(canvas));
await tester.pumpWidget(
ProviderScope(
overrides: [
pdfProvider.overrideWith(
(ref) => PdfController()..openPicked(path: 'test.pdf'),
),
signatureProvider.overrideWith(
(ref) =>
SignatureController()
..setImageBytes(sigBytes)
..placeDefaultRect(),
),
useMockViewerProvider.overrideWith((ref) => true),
// Continuous mode is always-on; no page view override needed
],
child: MaterialApp(
localizationsDelegates: AppLocalizations.localizationsDelegates,
supportedLocales: AppLocalizations.supportedLocales,
home: const PdfSignatureHomePage(),
),
),
);
await tester.pump();
}