flutter/packages/flutter_tools/test/integration/flutter_tester_test.dart
Ian Hickson 35ad2a786d
Remove race conditions involving finding available ports (#18698)
This is an attempt to reland #18488 with less breakage on macOS.
2018-06-27 16:44:28 -07:00

112 lines
2.9 KiB
Dart

// Copyright 2018 The Chromium 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 'package:file/file.dart';
import 'package:flutter_tools/src/base/file_system.dart';
import 'package:flutter_tools/src/build_info.dart';
import 'package:flutter_tools/src/device.dart';
import 'package:flutter_tools/src/tester/flutter_tester.dart';
import 'package:test/test.dart';
import '../src/context.dart';
import 'util.dart';
void main() {
Directory tempDir;
Directory oldCurrentDir;
setUp(() async {
tempDir = await fs.systemTempDirectory.createTemp('flutter_tester_device');
oldCurrentDir = fs.currentDirectory;
fs.currentDirectory = tempDir;
});
tearDown(() {
fs.currentDirectory = oldCurrentDir;
try {
tempDir?.deleteSync(recursive: true);
tempDir = null;
} catch (e) {
// Ignored.
}
});
group('FlutterTesterDevice', () {
FlutterTesterDevice device;
setUp(() {
device = new FlutterTesterDevice('flutter-tester');
});
Future<LaunchResult> start(String mainPath) async {
return await device.startApp(
null,
mainPath: mainPath,
debuggingOptions: new DebuggingOptions.enabled(
const BuildInfo(BuildMode.debug, null),
),
);
}
testUsingContext('start', () async {
writePubspec(tempDir.path);
writePackages(tempDir.path);
final String mainPath = fs.path.join('lib', 'main.dart');
writeFile(mainPath, r'''
import 'dart:async';
void main() {
new Timer.periodic(const Duration(milliseconds: 1), (Timer timer) {
print('Hello!');
});
}
''');
final LaunchResult result = await start(mainPath);
expect(result.started, isTrue);
expect(result.observatoryUri, isNotNull);
final String line = await device.getLogReader().logLines.firstWhere((String line) => !line.contains('TeXGyreSchola'));
expect(line, equals('Hello!'));
expect(await device.stopApp(null), isTrue);
});
testUsingContext('keeps running', () async {
writePubspec(tempDir.path);
writePackages(tempDir.path);
await getPackages(tempDir.path);
final String mainPath = fs.path.join('lib', 'main.dart');
writeFile(mainPath, r'''
import 'package:flutter/material.dart';
void main() => runApp(new MyApp());
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return new MaterialApp(
title: 'Flutter Demo',
home: new Container(),
);
}
}
''');
final LaunchResult result = await start(mainPath);
expect(result.started, isTrue);
expect(result.observatoryUri, isNotNull);
await new Future<void>.delayed(const Duration(seconds: 3));
expect(device.isRunning, true);
expect(await device.stopApp(null), isTrue);
}, skip: true);
});
}