// 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:async'; import 'dart:convert'; import 'dart:io'; import 'package:flutter_devicelab/framework/adb.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: $line'); }); run.exitCode.then<void>((int exitCode) { ok = false; }); await Future.any<dynamic>(<Future<dynamic>>[ ready.future, run.exitCode ]); if (!ok) throw 'Failed to run test app.'; final VmService client = await vmServiceConnectUri('ws://localhost:$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. 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'; }