// 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:file/file.dart'; import 'package:flutter_tools/src/base/file_system.dart'; import 'package:flutter_tools/src/base/io.dart'; import 'package:process/process.dart'; import '../src/common.dart'; import 'test_data/basic_project.dart'; import 'test_driver.dart'; import 'test_utils.dart'; void main() { testWithoutContext('device.getDevices', () async { final Directory tempDir = createResolvedTempDirectorySync('daemon_mode_test.'); final BasicProject _project = BasicProject(); await _project.setUpIn(tempDir); final String flutterBin = fileSystem.path.join(getFlutterRoot(), 'bin', 'flutter'); const ProcessManager processManager = LocalProcessManager(); final Process process = await processManager.start( <String>[flutterBin, ...getLocalEngineArguments(), '--show-test-device', 'daemon'], workingDirectory: tempDir.path, ); final StreamController<String> stdout = StreamController<String>.broadcast(); transformToLines(process.stdout).listen((String line) => stdout.add(line)); final Stream<Map<String, dynamic>> stream = stdout .stream .map<Map<String, dynamic>>(parseFlutterResponse) .where((Map<String, dynamic> value) => value != null); Map<String, dynamic> response = await stream.first; expect(response['event'], 'daemon.connected'); // start listening for devices process.stdin.writeln('[${jsonEncode(<String, dynamic>{ 'id': 1, 'method': 'device.enable', })}]'); response = await stream.firstWhere((Map<String, Object> json) => json['id'] == 1); expect(response['id'], 1); expect(response['error'], isNull); // [{"event":"device.added","params":{"id":"flutter-tester","name": // "Flutter test device","platform":"flutter-tester","emulator":false}}] response = await stream.first; expect(response['event'], 'device.added'); // get the list of all devices process.stdin.writeln('[${jsonEncode(<String, dynamic>{ 'id': 2, 'method': 'device.getDevices', })}]'); // Skip other device.added events that may fire (desktop/web devices). response = await stream.firstWhere((Map<String, dynamic> response) => response['event'] != 'device.added'); expect(response['id'], 2); expect(response['error'], isNull); final dynamic result = response['result']; expect(result, isList); expect(result, isNotEmpty); tryToDelete(tempDir); process.kill(); }); }