59 lines
1.9 KiB
Dart
59 lines
1.9 KiB
Dart
import 'dart:async';
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import 'dart:typed_data';
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import 'package:flutter/foundation.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:golden_toolkit/golden_toolkit.dart';
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import 'package:golden_toolkit/src/testing_tools.dart';
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import 'package:path/path.dart' as path;
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const double _kGoldenDiffTolerance = 0.05;
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/// Wrapper function for golden tests.
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Future<void> customExpectGoldenMatches(
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WidgetTester tester,
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String name, {
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bool? autoHeight,
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Finder? finder,
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CustomPump? customPump,
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@Deprecated('''
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This method level parameter will be removed in an upcoming release. This can be configured globally. If you have concerns, please file an issue with your use case.''') bool? skip,
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}) {
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final goldenPath = path.join('test/src/goldens');
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print('goldenPath: $goldenPath');
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goldenFileComparator = CustomGoldenFileComparator(Uri.parse(goldenPath));
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return compareWithGolden(
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tester,
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name,
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autoHeight: autoHeight,
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finder: finder,
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customPump: customPump,
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skip: skip,
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// This value is actually ignored. We are forced to pass it because the
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// downstream API is structured poorly. This should be refactored.
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device: Device.phone,
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fileNameFactory: (String name, Device device) =>
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GoldenToolkit.configuration.fileNameFactory(name),
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);
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}
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class CustomGoldenFileComparator extends LocalFileComparator {
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CustomGoldenFileComparator(Uri testFile) : super(testFile);
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@override
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Future<bool> compare(Uint8List imageBytes, Uri golden) async {
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print('golden.toString(): ${golden.toString()}');
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final result = await GoldenFileComparator.compareLists(
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imageBytes,
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await getGoldenBytes(golden),
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);
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if (!result.passed && result.diffPercent > _kGoldenDiffTolerance) {
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final error = await generateFailureOutput(result, golden, basedir);
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throw FlutterError(error);
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}
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return result.passed;
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}
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}
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