// 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/base/io.dart'; import 'package:flutter_tools/src/base/logger.dart'; import 'package:flutter_tools/src/cache.dart'; import 'package:flutter_tools/src/devtools_launcher.dart'; import 'package:flutter_tools/src/resident_runner.dart'; import '../src/common.dart'; import '../src/fake_process_manager.dart'; void main() { BufferLogger logger; Cache.flutterRoot = ''; setUp(() { logger = BufferLogger.test(); }); testWithoutContext('DevtoolsLauncher launches DevTools from the SDK and saves the URI', () async { final Completer<void> completer = Completer<void>(); final DevtoolsLauncher launcher = DevtoolsServerLauncher( dartExecutable: 'dart', logger: logger, processManager: FakeProcessManager.list(<FakeCommand>[ FakeCommand( command: const <String>[ 'dart', 'devtools', '--no-launch-browser', ], stdout: 'Serving DevTools at http://127.0.0.1:9100\n', completer: completer, ), ]), ); final DevToolsServerAddress address = await launcher.serve(); expect(address.host, '127.0.0.1'); expect(address.port, 9100); }); testWithoutContext('DevtoolsLauncher does not launch a new DevTools instance if one is already active', () async { final Completer<void> completer = Completer<void>(); final DevtoolsLauncher launcher = DevtoolsServerLauncher( dartExecutable: 'dart', logger: logger, processManager: FakeProcessManager.list(<FakeCommand>[ FakeCommand( command: const <String>[ 'dart', 'devtools', '--no-launch-browser', ], stdout: 'Serving DevTools at http://127.0.0.1:9100\n', completer: completer, ), ]), ); DevToolsServerAddress address = await launcher.serve(); expect(address.host, '127.0.0.1'); expect(address.port, 9100); // Call `serve` again and verify that the already running server is returned. address = await launcher.serve(); expect(address.host, '127.0.0.1'); expect(address.port, 9100); }); testWithoutContext('DevtoolsLauncher can launch devtools with a memory profile', () async { final FakeProcessManager processManager = FakeProcessManager.list(<FakeCommand>[ const FakeCommand( command: <String>[ 'dart', 'devtools', '--no-launch-browser', '--vm-uri=localhost:8181/abcdefg', '--profile-memory=foo' ], stdout: 'Serving DevTools at http://127.0.0.1:9100\n', ), ]); final DevtoolsLauncher launcher = DevtoolsServerLauncher( dartExecutable: 'dart', logger: logger, processManager: processManager, ); await launcher.launch(Uri.parse('localhost:8181/abcdefg'), additionalArguments: <String>['--profile-memory=foo']); expect(launcher.processStart, completes); expect(processManager, hasNoRemainingExpectations); }); testWithoutContext('DevtoolsLauncher prints error if exception is thrown during launch', () async { final DevtoolsLauncher launcher = DevtoolsServerLauncher( dartExecutable: 'dart', logger: logger, processManager: FakeProcessManager.list(<FakeCommand>[ const FakeCommand( command: <String>[ 'dart', 'devtools', '--no-launch-browser', '--vm-uri=http://127.0.0.1:1234/abcdefg', ], exception: ProcessException('pub', <String>[]), ) ]), ); await launcher.launch(Uri.parse('http://127.0.0.1:1234/abcdefg')); expect(logger.errorText, contains('Failed to launch DevTools: ProcessException')); }); }