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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.
// @dart = 2.8
import 'dart:async';
import 'package:flutter_tools/src/application_package.dart';
import 'package:flutter_tools/src/build_info.dart';
import 'package:flutter_tools/src/device.dart';
import 'package:flutter_tools/src/project.dart';
/// A list of fake devices to test JSON serialization
/// (`Device.toJson()` and `--machine` flag for `devices` command)
List<FakeDeviceJsonData> fakeDevices = <FakeDeviceJsonData>[
FakeDeviceJsonData(
FakeDevice('ephemeral', 'ephemeral', type: PlatformType.android),
<String, Object>{
'name': 'ephemeral',
'id': 'ephemeral',
'isSupported': true,
'targetPlatform': 'android-arm',
'emulator': true,
'sdk': 'Test SDK (1.2.3)',
'capabilities': <String, Object>{
'hotReload': true,
'hotRestart': true,
'screenshot': false,
'fastStart': false,
'flutterExit': true,
'hardwareRendering': true,
'startPaused': true
}
}
),
FakeDeviceJsonData(
FakeDevice('webby', 'webby')
..targetPlatform = Future<TargetPlatform>.value(TargetPlatform.web_javascript)
..sdkNameAndVersion = Future<String>.value('Web SDK (1.2.4)'),
<String,Object>{
'name': 'webby',
'id': 'webby',
'isSupported': true,
'targetPlatform': 'web-javascript',
'emulator': true,
'sdk': 'Web SDK (1.2.4)',
'capabilities': <String, Object>{
'hotReload': true,
'hotRestart': true,
'screenshot': false,
'fastStart': false,
'flutterExit': true,
'hardwareRendering': true,
'startPaused': true
}
}
),
];
/// Fake device to test `devices` command.
class FakeDevice extends Device {
FakeDevice(this.name, String id, {
bool ephemeral = true,
bool isSupported = true,
PlatformType type = PlatformType.web,
LaunchResult launchResult,
}) : _isSupported = isSupported,
_launchResult = launchResult ?? LaunchResult.succeeded(),
super(
id,
platformType: type,
category: Category.mobile,
ephemeral: ephemeral,
);
final bool _isSupported;
final LaunchResult _launchResult;
@override
final String name;
@override
Future<LaunchResult> startApp(covariant ApplicationPackage package, {
String mainPath,
String route,
DebuggingOptions debuggingOptions,
Map<String, dynamic> platformArgs,
bool prebuiltApplication = false,
bool ipv6 = false,
String userIdentifier,
}) async => _launchResult;
@override
Future<bool> stopApp(covariant ApplicationPackage app, {
String userIdentifier,
}) async => true;
@override
Future<bool> uninstallApp(
covariant ApplicationPackage app, {
String userIdentifier,
}) async => true;
@override
Future<void> dispose() async {}
@override
Future<TargetPlatform> targetPlatform = Future<TargetPlatform>.value(TargetPlatform.android_arm);
@override
void noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation);
@override
bool isSupportedForProject(FlutterProject flutterProject) => _isSupported;
@override
bool isSupported() => _isSupported;
@override
Future<bool> isLocalEmulator = Future<bool>.value(true);
@override
Future<String> sdkNameAndVersion = Future<String>.value('Test SDK (1.2.3)');
}
/// Combines fake device with its canonical JSON representation.
class FakeDeviceJsonData {
FakeDeviceJsonData(this.dev, this.json);
final FakeDevice dev;
final Map<String, Object> json;
}
class FakePollingDeviceDiscovery extends PollingDeviceDiscovery {
FakePollingDeviceDiscovery() : super('mock');
final List<Device> _devices = <Device>[];
final StreamController<Device> _onAddedController = StreamController<Device>.broadcast();
final StreamController<Device> _onRemovedController = StreamController<Device>.broadcast();
@override
Future<List<Device>> pollingGetDevices({ Duration timeout }) async {
lastPollingTimeout = timeout;
return _devices;
}
Duration lastPollingTimeout;
@override
bool get supportsPlatform => true;
@override
bool get canListAnything => true;
void addDevice(Device device) {
_devices.add(device);
_onAddedController.add(device);
}
void _removeDevice(Device device) {
_devices.remove(device);
_onRemovedController.add(device);
}
void setDevices(List<Device> devices) {
while(_devices.isNotEmpty) {
_removeDevice(_devices.first);
}
devices.forEach(addDevice);
}
@override
Stream<Device> get onAdded => _onAddedController.stream;
@override
Stream<Device> get onRemoved => _onRemovedController.stream;
}
/// A fake implementation of the [DeviceLogReader].
class FakeDeviceLogReader extends DeviceLogReader {
@override
String get name => 'FakeLogReader';
StreamController<String> _cachedLinesController;
final List<String> _lineQueue = <String>[];
StreamController<String> get _linesController {
_cachedLinesController ??= StreamController<String>
.broadcast(onListen: () {
_lineQueue.forEach(_linesController.add);
_lineQueue.clear();
});
return _cachedLinesController;
}
@override
Stream<String> get logLines => _linesController.stream;
void addLine(String line) {
if (_linesController.hasListener) {
_linesController.add(line);
} else {
_lineQueue.add(line);
}
}
@override
Future<void> dispose() async {
_lineQueue.clear();
await _linesController.close();
}
}