Add and use an integration test with native(ADB) screenshots (#152326)

Closes https://github.com/flutter/flutter/issues/152325.

This PR is large due to generate `flutter create --platforms android`. A quick summary:

- Moves the integration test from `packages/flutter_driver/test` to `dev/integration_tests`
- Created a sample Flutter app that draws a blue rectangle
- Forked a subset of `package:flutter_goldens` that will work on the standalone Dart VM
- Forked a subset of `goldens.dart` (from `flutter_test`) to `src/native/goldens.dart` (i.e. `matchesGoldenFile`)

This ... works locally, but as usual I have no idea if it will work on Skia Gold so let's roll some dice.
This commit is contained in:
Matan Lurey
2024-07-26 09:09:29 -07:00
committed by GitHub
parent 4b5d24e6a8
commit 7f8ad8a4cb
31 changed files with 932 additions and 20 deletions

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# This file tracks properties of this Flutter project.
# Used by Flutter tool to assess capabilities and perform upgrades etc.
#
# This file should be version controlled and should not be manually edited.
version:
revision: "6a346df51b97840ff2c06805e5482be28c6dd7c4"
channel: "[user-branch]"
project_type: app
# Tracks metadata for the flutter migrate command
migration:
platforms:
- platform: root
create_revision: 6a346df51b97840ff2c06805e5482be28c6dd7c4
base_revision: 6a346df51b97840ff2c06805e5482be28c6dd7c4
- platform: android
create_revision: 6a346df51b97840ff2c06805e5482be28c6dd7c4
base_revision: 6a346df51b97840ff2c06805e5482be28c6dd7c4
# User provided section
# List of Local paths (relative to this file) that should be
# ignored by the migrate tool.
#
# Files that are not part of the templates will be ignored by default.
unmanaged_files:
- 'lib/main.dart'
- 'ios/Runner.xcodeproj/project.pbxproj'

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# Flutter Driver Android Integration Tests
This directory contains a sample app and tests that demonstrate how to use the
(experimental) _native_ Flutter Driver API to drive Flutter apps that run on
Android devices or emulators, interact with and capture screenshots of the app,
and compare the screenshots against golden images.

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gradle-wrapper.jar
/.gradle
/captures/
/gradlew
/gradlew.bat
/local.properties
GeneratedPluginRegistrant.java
# Remember to never publicly share your keystore.
# See https://flutter.dev/to/reference-keystore
key.properties
**/*.keystore
**/*.jks

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// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
plugins {
id "com.android.application"
id "kotlin-android"
// The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins.
id "dev.flutter.flutter-gradle-plugin"
}
android {
namespace = "com.example.android_driver_test"
compileSdk = flutter.compileSdkVersion
ndkVersion = flutter.ndkVersion
compileOptions {
sourceCompatibility = JavaVersion.VERSION_1_8
targetCompatibility = JavaVersion.VERSION_1_8
}
kotlinOptions {
jvmTarget = JavaVersion.VERSION_1_8
}
defaultConfig {
// TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
applicationId = "com.example.android_driver_test"
// You can update the following values to match your application needs.
// For more information, see: https://flutter.dev/to/review-gradle-config.
minSdk = flutter.minSdkVersion
targetSdk = flutter.targetSdkVersion
versionCode = flutter.versionCode
versionName = flutter.versionName
}
buildTypes {
release {
// TODO: Add your own signing config for the release build.
// Signing with the debug keys for now, so `flutter run --release` works.
signingConfig = signingConfigs.debug
}
}
}
flutter {
source = "../.."
}

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<!-- Copyright 2014 The Flutter Authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file. -->
<manifest xmlns:android="http://schemas.android.com/apk/res/android">
<!-- The INTERNET permission is required for development. Specifically,
the Flutter tool needs it to communicate with the running application
to allow setting breakpoints, to provide hot reload, etc.
-->
<uses-permission android:name="android.permission.INTERNET"/>
</manifest>

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<!-- Copyright 2014 The Flutter Authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file. -->
<manifest xmlns:android="http://schemas.android.com/apk/res/android">
<application
android:label="android_driver_test"
android:name="${applicationName}"
android:icon="@mipmap/ic_launcher">
<activity
android:name=".MainActivity"
android:exported="true"
android:launchMode="singleTop"
android:taskAffinity=""
android:theme="@style/LaunchTheme"
android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
android:hardwareAccelerated="true"
android:windowSoftInputMode="adjustResize">
<!-- Specifies an Android theme to apply to this Activity as soon as
the Android process has started. This theme is visible to the user
while the Flutter UI initializes. After that, this theme continues
to determine the Window background behind the Flutter UI. -->
<meta-data
android:name="io.flutter.embedding.android.NormalTheme"
android:resource="@style/NormalTheme"
/>
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
</activity>
<!-- Don't delete the meta-data below.
This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
<meta-data
android:name="flutterEmbedding"
android:value="2" />
</application>
<!-- Required to query activities that can process text, see:
https://developer.android.com/training/package-visibility and
https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->
<queries>
<intent>
<action android:name="android.intent.action.PROCESS_TEXT"/>
<data android:mimeType="text/plain"/>
</intent>
</queries>
</manifest>

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// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
@file:Suppress("PackageName")
package com.example.android_driver_test
import android.os.Bundle
import androidx.core.view.WindowCompat
import androidx.core.view.WindowInsetsCompat
import androidx.core.view.WindowInsetsControllerCompat
import io.flutter.embedding.android.FlutterActivity
class MainActivity : FlutterActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
// https://developer.android.com/training/system-ui
val windowInsetsController = WindowCompat.getInsetsController(window, window.decorView)
windowInsetsController.systemBarsBehavior = WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
windowInsetsController.hide(WindowInsetsCompat.Type.systemBars())
actionBar?.hide()
}
}

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<!-- Copyright 2014 The Flutter Authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file. -->
<?xml version="1.0" encoding="utf-8"?>
<!-- Modify this file to customize your launch splash screen -->
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="?android:colorBackground" />
<!-- You can insert your own image assets here -->
<!-- <item>
<bitmap
android:gravity="center"
android:src="@mipmap/launch_image" />
</item> -->
</layer-list>

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<!-- Copyright 2014 The Flutter Authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file. -->
<?xml version="1.0" encoding="utf-8"?>
<!-- Modify this file to customize your launch splash screen -->
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@android:color/white" />
<!-- You can insert your own image assets here -->
<!-- <item>
<bitmap
android:gravity="center"
android:src="@mipmap/launch_image" />
</item> -->
</layer-list>

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<!-- Copyright 2014 The Flutter Authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file. -->
<?xml version="1.0" encoding="utf-8"?>
<resources>
<!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is on -->
<style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
<!-- Show a splash screen on the activity. Automatically removed when
the Flutter engine draws its first frame -->
<item name="android:windowBackground">@drawable/launch_background</item>
</style>
<!-- Theme applied to the Android Window as soon as the process has started.
This theme determines the color of the Android Window while your
Flutter UI initializes, as well as behind your Flutter UI while its
running.
This Theme is only used starting with V2 of Flutter's Android embedding. -->
<style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
<item name="android:windowBackground">?android:colorBackground</item>
</style>
</resources>

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<!-- Copyright 2014 The Flutter Authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file. -->
<?xml version="1.0" encoding="utf-8"?>
<resources>
<!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
<style name="LaunchTheme" parent="@android:style/Theme.Light.NoTitleBar">
<!-- Show a splash screen on the activity. Automatically removed when
the Flutter engine draws its first frame -->
<item name="android:windowBackground">@drawable/launch_background</item>
</style>
<!-- Theme applied to the Android Window as soon as the process has started.
This theme determines the color of the Android Window while your
Flutter UI initializes, as well as behind your Flutter UI while its
running.
This Theme is only used starting with V2 of Flutter's Android embedding. -->
<style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
<item name="android:windowBackground">?android:colorBackground</item>
</style>
</resources>

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<!-- Copyright 2014 The Flutter Authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file. -->
<manifest xmlns:android="http://schemas.android.com/apk/res/android">
<!-- The INTERNET permission is required for development. Specifically,
the Flutter tool needs it to communicate with the running application
to allow setting breakpoints, to provide hot reload, etc.
-->
<uses-permission android:name="android.permission.INTERNET"/>
</manifest>

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// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
allprojects {
repositories {
google()
mavenCentral()
}
}
rootProject.buildDir = "../build"
subprojects {
project.buildDir = "${rootProject.buildDir}/${project.name}"
}
subprojects {
project.evaluationDependsOn(":app")
}
tasks.register("clean", Delete) {
delete rootProject.buildDir
}

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org.gradle.jvmargs=-Xmx4G -XX:MaxMetaspaceSize=2G -XX:+HeapDumpOnOutOfMemoryError
android.useAndroidX=true
android.enableJetifier=true

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distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-all.zip

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// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
pluginManagement {
def flutterSdkPath = {
def properties = new Properties()
file("local.properties").withInputStream { properties.load(it) }
def flutterSdkPath = properties.getProperty("flutter.sdk")
assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
return flutterSdkPath
}()
includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
repositories {
google()
mavenCentral()
gradlePluginPortal()
}
}
plugins {
id "dev.flutter.flutter-plugin-loader" version "1.0.0"
id "com.android.application" version "8.1.0" apply false
id "org.jetbrains.kotlin.android" version "1.8.22" apply false
}
include ":app"

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// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'dart:io' as io;
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_driver/driver_extension.dart';
void main() {
enableFlutterDriverExtension();
if (kIsWeb || !io.Platform.isAndroid) {
throw UnsupportedError('This app should only run on Android devices.');
}
runApp(const MainApp());
}
final class MainApp extends StatelessWidget {
const MainApp({super.key});
@override
Widget build(BuildContext context) {
// Draw a full-screen blue rectangle.
return const DecoratedBox(decoration: BoxDecoration(color: Colors.blue));
}
}

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name: android_driver_test
publish_to: none
environment:
sdk: ^3.6.0-77.0.dev
dependencies:
flutter:
sdk: flutter
flutter_driver:
sdk: flutter
async: 2.11.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
boolean_selector: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
characters: 1.3.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
collection: 1.18.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
file: 7.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
matcher: 0.12.16+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
material_color_utilities: 0.11.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
meta: 1.15.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
path: 1.9.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
source_span: 1.10.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
stack_trace: 1.11.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
stream_channel: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
string_scanner: 1.3.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
sync_http: 0.3.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
term_glyph: 1.2.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
test_api: 0.7.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
vector_math: 2.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
vm_service: 14.2.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
webdriver: 3.0.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
dev_dependencies:
flutter_goldens:
sdk: flutter
platform: 3.1.5
process: 5.0.2
test: 1.25.8
_fe_analyzer_shared: 72.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
analyzer: 6.7.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
args: 2.5.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
convert: 3.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
coverage: 1.8.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
crypto: 3.0.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
frontend_server_client: 4.0.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
glob: 2.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
http_multi_server: 3.2.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
http_parser: 4.0.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
io: 1.0.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
js: 0.7.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
logging: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
mime: 1.0.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
node_preamble: 2.0.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
package_config: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
pool: 1.5.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
pub_semver: 2.1.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
shelf: 1.4.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
shelf_packages_handler: 3.0.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
shelf_static: 1.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
shelf_web_socket: 1.0.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
source_map_stack_trace: 2.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
source_maps: 0.10.12 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
test_core: 0.6.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
typed_data: 1.3.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
watcher: 1.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
web: 0.5.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
web_socket_channel: 2.4.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
webkit_inspection_protocol: 1.2.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
yaml: 3.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
# PUBSPEC CHECKSUM: f6a7

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# In flutter/flutter, all screenshot tests are run on Skia Gold.
#
# However, local development might require running screenshot tests locally.
*.png

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// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/// A fork of `package:flutter_goldens/flutter_goldens.dart` without the
/// dependency on `package:flutter_test` or `package:flutter`; this allows
/// the library to be used in a standalone Dart VM context.
library;
import 'dart:async';
import 'dart:io' as io;
import 'dart:typed_data';
import 'package:file/local.dart';
import 'package:flutter_driver/src/native_driver.dart';
import 'package:flutter_goldens/skia_client.dart';
import 'package:path/path.dart' as path;
import 'package:platform/platform.dart';
import 'package:process/process.dart';
const LocalFileSystem _localFs = LocalFileSystem();
// TODO(matanlurey): Refactor flutter_goldens to just re-use that code instead.
Future<void> testExecutable(
FutureOr<void> Function() testMain, {
String? namePrefix,
}) async {
assert(
goldenFileComparator is NaiveLocalFileComparator,
'The flutter_goldens_fork library should be used from a *_test.dart file '
'where the "goldenFileComparator" has not yet been set. This is to ensure '
'that the correct comparator is used for the current test environment.',
);
final io.Directory tmpDir = io.Directory.systemTemp.createTempSync('android_driver_test');
goldenFileComparator = _GoldenFileComparator(
SkiaGoldClient(
_localFs.directory(tmpDir.path),
fs: _localFs,
process: const LocalProcessManager(),
platform: const LocalPlatform(),
httpClient: io.HttpClient(),
log: io.stderr.writeln,
),
namePrefix: namePrefix,
isPresubmit: false,
);
}
final class _GoldenFileComparator extends GoldenFileComparator {
_GoldenFileComparator(
this.skiaClient, {
required this.isPresubmit,
this.namePrefix,
Uri? baseDir,
}) : baseDir = baseDir ?? Uri.parse(path.dirname(io.Platform.script.path));
final Uri baseDir;
final SkiaGoldClient skiaClient;
final String? namePrefix;
final bool isPresubmit;
@override
Future<bool> compare(Uint8List imageBytes, Uri golden) async {
if (isPresubmit) {
await skiaClient.tryjobInit();
} else {
await skiaClient.imgtestInit();
}
golden = _addPrefix(golden);
await update(golden, imageBytes);
final io.File goldenFile = _getGoldenFile(golden);
if (isPresubmit) {
await skiaClient.tryjobAdd(golden.path, _localFs.file(goldenFile.path));
return true;
} else {
return skiaClient.imgtestAdd(golden.path, _localFs.file(goldenFile.path));
}
}
@override
Future<void> update(Uri golden, Uint8List imageBytes) async {
final io.File goldenFile = _getGoldenFile(golden);
await goldenFile.parent.create(recursive: true);
await goldenFile.writeAsBytes(imageBytes, flush: true);
}
io.File _getGoldenFile(Uri uri) {
return io.File.fromUri(baseDir.resolveUri(uri));
}
Uri _addPrefix(Uri golden) {
assert(
golden.toString().split('.').last == 'png',
'Golden files in the Flutter framework must end with the file extension '
'.png.',
);
return Uri.parse(<String>[
if (namePrefix != null) namePrefix!,
baseDir.pathSegments[baseDir.pathSegments.length - 2],
golden.toString(),
].join('.'));
}
}

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// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter_driver/flutter_driver.dart';
import 'package:flutter_driver/src/native_driver.dart';
import 'package:test/test.dart';
import '_flutter_goldens_fork.dart';
// TODO(matanlurey): This is done automatically by 'flutter test' but not by
// 'flutter drive'. If we get closer to shipping the native 'flutter drive'
// command, we should look into if 'flutter_test_config.dart', or a similar
// mechanism, can be used to configure this automatically.
void main() async {
await testExecutable(_main);
}
Future<void> _main() async {
// To generate golden files locally, uncomment the following line.
// autoUpdateGoldenFiles = true;
late FlutterDriver flutterDriver;
late NativeDriver nativeDriver;
setUpAll(() async {
flutterDriver = await FlutterDriver.connect();
nativeDriver = await AndroidNativeDriver.connect();
});
tearDownAll(() async {
await nativeDriver.close();
await flutterDriver.close();
});
test('should screenshot and match a full-screen blue rectangle', () async {
await flutterDriver.waitFor(find.byType('DecoratedBox'));
await expectLater(
nativeDriver.screenshot(),
matchesGoldenFile('android_driver_test.BlueRectangle.png'),
);
}, timeout: Timeout.none);
}