f3be1d9d95
* Add emulatorId to Android and iOS emulator devices * Update docs * Review tweaks * Add tests for AndroidConsole for getting avd names * Remove unused import * Remove duplicated header * Fix imports
77 lines
2.2 KiB
Dart
77 lines
2.2 KiB
Dart
// Copyright 2019 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:async';
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import 'package:async/async.dart';
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import '../base/context.dart';
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import '../base/io.dart';
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import '../convert.dart';
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/// Default factory that creates a real Android console connection.
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final AndroidConsoleSocketFactory _kAndroidConsoleSocketFactory = (String host, int port) => Socket.connect( host, port);
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/// Currently active implementation of the AndroidConsoleFactory.
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///
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/// The default implementation will create real connections to a device.
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/// Override this in tests with an implementation that returns mock responses.
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AndroidConsoleSocketFactory get androidConsoleSocketFactory => context.get<AndroidConsoleSocketFactory>() ?? _kAndroidConsoleSocketFactory;
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typedef AndroidConsoleSocketFactory = Future<Socket> Function(String host, int port);
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/// Creates a console connection to an Android emulator that can be used to run
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/// commands such as "avd name" which are not available to ADB.
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///
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/// See documentation at
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/// https://developer.android.com/studio/run/emulator-console
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class AndroidConsole {
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AndroidConsole(this._socket);
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Socket _socket;
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StreamQueue<String> _queue;
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Future<void> connect() async {
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assert(_socket != null);
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assert(_queue == null);
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_queue = StreamQueue<String>(_socket.asyncMap(ascii.decode));
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// Discard any initial connection text.
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await _readResponse();
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}
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Future<String> getAvdName() async {
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_write('avd name\n');
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return _readResponse();
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}
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void destroy() {
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if (_socket != null) {
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_socket.destroy();
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_socket = null;
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_queue = null;
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}
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}
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Future<String> _readResponse() async {
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final StringBuffer output = StringBuffer();
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while (true) {
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final String text = await _queue.next;
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final String trimmedText = text.trim();
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if (trimmedText == 'OK')
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break;
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if (trimmedText.endsWith('\nOK')) {
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output.write(trimmedText.substring(0, trimmedText.length - 3));
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break;
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}
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output.write(text);
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}
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return output.toString().trim();
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}
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void _write(String text) {
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_socket.add(ascii.encode(text));
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}
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}
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