Derek Xu
56ccf437e6
TEST=pkg/vm_service/test/failure_to_start_vm_service_after_vm_is_initialized_test, pkg/vm_service/test/failure_to_start_vm_service_during_vm_initialization_test Fixes: https://github.com/dart-lang/sdk/issues/60256 Change-Id: I0543ab26e5721a4048136f27e8f4429bef04920f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/416300 Commit-Queue: Derek Xu <derekx@google.com> Reviewed-by: Ben Konyi <bkonyi@google.com>
62 lines
2.1 KiB
Dart
62 lines
2.1 KiB
Dart
// Copyright (c) 2024, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'dart:convert';
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import 'dart:io';
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// TODO(bkonyi): Share this logic with _ServiceTesteeRunner.launch.
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Future<(Process, Uri?)> spawnDartProcess(
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String script, {
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bool enableDds = true,
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int vmServicePort = 0,
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/// If true, the second element in the returned record will be a [Uri] that
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/// can be used to connect to the VM Service running on the testee. If false,
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/// the second element in the returned record will be null.
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bool returnServiceUri = true,
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bool serveObservatory = true,
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required bool pauseOnStart,
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required bool pauseOnExit,
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bool disableServiceAuthCodes = false,
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bool subscribeToStdio = true,
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}) async {
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final executable = Platform.executable;
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final tmpDir = await Directory.systemTemp.createTemp('dart_service');
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final serviceInfoUri = tmpDir.uri.resolve('service_info.json');
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final serviceInfoFile = await File.fromUri(serviceInfoUri).create();
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final arguments = [
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if (!enableDds) '--no-dds',
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'--observe=$vmServicePort',
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if (!serveObservatory) '--no-serve-observatory',
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if (pauseOnStart) '--pause-isolates-on-start',
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if (pauseOnExit) '--pause-isolates-on-exit',
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if (disableServiceAuthCodes) '--disable-service-auth-codes',
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'--write-service-info=$serviceInfoUri',
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...Platform.executableArguments,
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Platform.script.resolve(script).toString(),
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];
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final process = await Process.start(executable, arguments);
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if (subscribeToStdio) {
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process.stdout
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.transform(utf8.decoder)
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.listen((line) => print('TESTEE OUT: $line'));
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process.stderr
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.transform(utf8.decoder)
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.listen((line) => print('TESTEE ERR: $line'));
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}
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if (!returnServiceUri) {
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return (process, null);
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}
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while ((await serviceInfoFile.length()) <= 5) {
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await Future.delayed(const Duration(milliseconds: 50));
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}
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final content = await serviceInfoFile.readAsString();
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final infoJson = json.decode(content);
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return (process, Uri.parse(infoJson['uri']));
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}
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