flutter/packages/flutter_tools/test/integration.shard/vmservice_integration_test.dart

// 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 'package:file/file.dart';
import 'package:flutter_tools/src/base/file_system.dart';
import 'package:vm_service/vm_service.dart';
import 'package:vm_service/vm_service_io.dart';

import '../src/common.dart';
import 'test_data/basic_project.dart';
import 'test_driver.dart';
import 'test_utils.dart';

void main() {
  Directory tempDir;
  FlutterRunTestDriver flutter;

  test('Flutter Tool VMService methods can be called', () async {
    tempDir = createResolvedTempDirectorySync('vmservice_integration_test.');

    final BasicProject _project = BasicProject();
    await _project.setUpIn(tempDir);

    flutter = FlutterRunTestDriver(tempDir);
    await flutter.run(withDebugger: true);
    final int port = flutter.vmServicePort;
    final VmService vmService = await vmServiceConnectUri('ws://localhost:$port/ws');

    final Response versionResponse = await vmService.callMethod('s0.flutterVersion');
    expect(versionResponse.type, 'Success');
    expect(versionResponse.json, containsPair('frameworkRevisionShort', isNotNull));
    expect(versionResponse.json, containsPair('engineRevisionShort', isNotNull));

    final Response memoryInfoResponse = await vmService.callMethod('s0.flutterMemoryInfo');
    expect(memoryInfoResponse.type, 'Success');
  });

  tearDown(() {
    tryToDelete(tempDir);
    flutter?.stop();
  });
}