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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 'dart:convert';
import 'dart:io';
import 'package:flutter_devicelab/common.dart';
import 'package:flutter_devicelab/framework/devices.dart';
import 'package:flutter_devicelab/framework/framework.dart';
import 'package:flutter_devicelab/framework/task_result.dart';
import 'package:flutter_devicelab/framework/utils.dart';
import 'package:path/path.dart' as path;
import 'package:vm_service/vm_service.dart';
import 'package:vm_service/vm_service_io.dart';
void main() {
task(() async {
int vmServicePort;
final Device device = await devices.workingDevice;
await device.unlock();
final Directory appDir = dir(path.join(flutterDirectory.path, 'dev/integration_tests/ui'));
await inDirectory(appDir, () async {
final Completer<void> ready = Completer<void>();
bool ok;
print('run: starting...');
final Process run = await startProcess(
path.join(flutterDirectory.path, 'bin', 'flutter'),
<String>['run', '--verbose', '--no-fast-start', '--no-publish-port', '--disable-service-auth-codes', '-d', device.deviceId, 'lib/main.dart'],
);
run.stdout
.transform<String>(utf8.decoder)
.transform<String>(const LineSplitter())
.listen((String line) {
print('run:stdout: $line');
if (vmServicePort == null) {
vmServicePort = parseServicePort(line);
if (vmServicePort != null) {
print('service protocol connection available at port $vmServicePort');
print('run: ready!');
ready.complete();
ok ??= true;
}
}
});
run.stderr
.transform<String>(utf8.decoder)
.transform<String>(const LineSplitter())
.listen((String line) {
stderr.writeln('run:stderr: $line');
});
unawaited(run.exitCode.then<void>((int exitCode) { ok = false; }));
await Future.any<dynamic>(<Future<dynamic>>[ ready.future, run.exitCode ]);
if (!ok)
throw 'Failed to run test app.';
final VmService client = await vmServiceConnectUri('ws://localhost:$vmServicePort/ws');
final VM vm = await client.getVM();
final IsolateRef isolate = vm.isolates.first;
final StreamController<Event> frameEventsController = StreamController<Event>();
final StreamController<Event> navigationEventsController = StreamController<Event>();
try {
await client.streamListen(EventKind.kExtension);
} catch (err) {
// Do nothing on errors.
}
client.onExtensionEvent.listen((Event event) {
if (event.extensionKind == 'Flutter.Frame') {
frameEventsController.add(event);
} else if (event.extensionKind == 'Flutter.Navigation') {
navigationEventsController.add(event);
}
});
final Stream<Event> frameEvents = frameEventsController.stream;
final Stream<Event> navigationEvents = navigationEventsController.stream;
print('reassembling app...');
final Future<Event> frameFuture = frameEvents.first;
await client.callServiceExtension('ext.flutter.reassemble', isolateId: isolate.id);
// ensure we get an event
final Event event = await frameFuture;
print('${event.kind}: ${event.data}');
// validate the fields
// {number: 8, startTime: 0, elapsed: 1437, build: 600, raster: 800}
print(event.extensionData.data);
expect(event.extensionData.data['number'] is int);
expect((event.extensionData.data['number'] as int) >= 0);
expect(event.extensionData.data['startTime'] is int);
expect((event.extensionData.data['startTime'] as int) >= 0);
expect(event.extensionData.data['elapsed'] is int);
expect((event.extensionData.data['elapsed'] as int) >= 0);
expect(event.extensionData.data['build'] is int);
expect((event.extensionData.data['build'] as int) >= 0);
expect(event.extensionData.data['raster'] is int);
expect((event.extensionData.data['raster'] as int) >= 0);
final Future<Event> navigationFuture = navigationEvents.first;
// This tap triggers a navigation event.
unawaited(device.tap(100, 200));
final Event navigationEvent = await navigationFuture;
// validate the fields
expect(navigationEvent.extensionData.data['route'] is Map<dynamic, dynamic>);
final Map<dynamic, dynamic> route = navigationEvent.extensionData.data['route'] as Map<dynamic, dynamic>;
expect(route['description'] is String);
expect(route['settings'] is Map<dynamic, dynamic>);
final Map<dynamic, dynamic> settings = route['settings'] as Map<dynamic, dynamic>;
expect(settings.containsKey('name'));
run.stdin.write('q');
final int result = await run.exitCode;
if (result != 0)
throw 'Received unexpected exit code $result from run process.';
});
return TaskResult.success(null);
});
}
void expect(bool value) {
if (!value)
throw 'failed assertion in service extensions test';
}