lifetime_test.dart 1.49 KB
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// Copyright 2014 The Flutter Authors. All rights reserved.
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// 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';

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import '../src/common.dart';
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import 'test_data/basic_project.dart';
import 'test_driver.dart';
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import 'test_utils.dart';
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/// This duration is arbitrary but is ideally:
/// a) long enough to ensure that if the app is crashing at startup, we notice
/// b) as short as possible, to avoid inflating build times
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const Duration requiredLifespan = Duration(seconds: 5);
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void main() {
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  final BasicProject _project = BasicProject();
  FlutterRunTestDriver _flutter;
  Directory tempDir;

  setUp(() async {
    tempDir = createResolvedTempDirectorySync('lifetime_test.');
    await _project.setUpIn(tempDir);
    _flutter = FlutterRunTestDriver(tempDir);
  });

  tearDown(() async {
    await _flutter.stop();
    tryToDelete(tempDir);
  });

  test('flutter run does not terminate when a debugger is attached', () async {
    await _flutter.run(withDebugger: true);
    await Future<void>.delayed(requiredLifespan);
    expect(_flutter.hasExited, equals(false));
  });

  test('fluter run does not terminate when a debugger is attached and pause-on-exceptions', () async {
    await _flutter.run(withDebugger: true, pauseOnExceptions: true);
    await Future<void>.delayed(requiredLifespan);
    expect(_flutter.hasExited, equals(false));
  });
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}