编辑：在颤振问题列表中发现问题：https ://github.com/flutter/flutter/issues/65952
当flutter drive集成测试失败时，我在哪里寻找失败发生的行号？我似乎无法在flutter drive输出中找到它！
任何帮助/指针将不胜感激。提前致谢。
使用的命令：flutter drive --target=test_driver/app.dart
输出：
Warning: You are using these overridden dependencies:
! pedantic 1.10.0-nullsafety
Running "flutter pub get" in aip_app... 865ms
Running Xcode build...
└─Compiling, linking and signing... 3.4s
Xcode build done. 10.1s
00:00 +0: Integration tests (setUpAll)
VMServiceFlutterDriver: Connecting to Flutter application at http://127.0.0.1:60646/0zFtd5Zu3Rs=/
VMServiceFlutterDriver: Isolate found with number: 3931090751816747
VMServiceFlutterDriver: Isolate is paused at start.
VMServiceFlutterDriver: Attempting to resume isolate
flutter: ===== STARTING APP =====
flutter: 2020-12-19 16:02:02.193821: MainApp INFO: ===== STARTING APP =====
VMServiceFlutterDriver: Connected to Flutter application.
flutter: 2020-12-19 16:02:02.384157: Utils INFO: Supported Biometrics: []
flutter: 2020-12-19 16:02:02.394761: MainApp INFO: Build tag calculated: v1.0.1+5
flutter: 2020-12-19 16:02:02.469009: AppSettingsBloc INFO: Building App Data with brightness Brightness.dark, buildTag: v1.0.1+5
flutter: 2020-12-19 16:02:02.799421: MainApp INFO: AppNavigationObserver didPush from null to CupertinoPageRoute<dynamic>(RouteSettings("/", null),
animation: AnimationController#66eb9(⏭ 1.000; paused; for CupertinoPageRoute<dynamic>(/)))
flutter: 2020-12-19 16:02:03.075460: BackendProvider INFO: ====>>>> StateChange to: UserInfo: Anon: false, TCtmVckk7dMFqbCco6h9NhGBiA42, null, null,
null, Instance of 'UserData'
flutter: 2020-12-19 16:02:03.089937: SimpleBlocDelegate INFO: onTransition Transition { currentState: BackendInitialized, event: SignInAtStartupEvent,
nextState: BackendActionInProgress }
flutter: 2020-12-19 16:02:03.093207: BackendProvider INFO: Hello Anon. Loading...
00:02 +1 ~1: Integration tests cash games flow
flutter: Handling request from Flutter driver: navigate_to_root
flutter: 2020-12-19 16:02:04.279687: SimpleBlocDelegate INFO: onTransition Transition { currentState: BackendActionInProgress, event:
SignInAtStartupEvent, nextState: BackendDataLoaded }
flutter: 2020-12-19 16:02:04.492851: MainApp INFO: AppNavigationObserver didPush from CupertinoPageRoute<dynamic>(RouteSettings("/", null), animation:
AnimationController#66eb9(⏭ 1.000; paused; for CupertinoPageRoute<dynamic>(/))) to ===||MainMenuScreen||===
[PageTransition<dynamic>(RouteSettings("/main-menu", null), animation: AnimationController#ff2aa(▶ 0.000; for PageTransition<dynamic>))]
flutter: 2020-12-19 16:02:04.973825: MainApp INFO: AppNavigationObserver didPush from ===||MainMenuScreen||===
[PageTransition<dynamic>(RouteSettings("/main-menu", null), animation: AnimationController#ff2aa(⏭ 1.000; paused; for PageTransition<dynamic>))] to
===||CashGamesWelcomeScreen||=== [PageTransition<dynamic>(RouteSettings("CashGamesWelcomeScreen", null), animation: AnimationController#ed347(▶ 0.000;
for PageTransition<dynamic>))]
flutter: 2020-12-19 16:02:05.418700: MainApp INFO: AppNavigationObserver didPush from ===||CashGamesWelcomeScreen||===
[PageTransition<dynamic>(RouteSettings("CashGamesWelcomeScreen", null), animation: AnimationController#ed347(⏭ 1.000; paused; for
PageTransition<dynamic>))] to ===||CashGamesNewGameScreen||=== [PageTransition<dynamic>(RouteSettings("CashGamesNewGameScreen", null), animation:
AnimationController#4c19b(▶ 0.000; for PageTransition<dynamic>))]
flutter: 2020-12-19 16:02:06.560730: SimpleBlocDelegate INFO: onTransition Transition { currentState: BackendDataLoaded, event: UpdateCashGame,
nextState: BackendActionInProgressWithData }
flutter: 2020-12-19 16:02:06.878949: SimpleBlocDelegate INFO: onTransition Transition { currentState: BackendActionInProgressWithData, event:
UpdateCashGame, nextState: UserDataUpdateCompleted }
flutter: 2020-12-19 16:02:06.901741: MainApp INFO: AppNavigationObserver didPush from ===||CashGamesNewGameScreen||===
[PageTransition<dynamic>(RouteSettings("CashGamesNewGameScreen", null), animation: AnimationController#4c19b(⏭ 1.000; paused; for
PageTransition<dynamic>))] to ===||CashGamesGameDetailsScreen||=== [PageTransition<dynamic>(RouteSettings("CashGamesGameDetailsScreen", null),
animation: AnimationController#e1937(▶ 0.000; for PageTransition<dynamic>))]
flutter: 2020-12-19 16:02:06.912362: SimpleBlocDelegate INFO: onTransition Transition { currentState: UserDataUpdateCompleted, event: UpdateCashGame,
nextState: BackendDataLoaded }
VMServiceFlutterDriver: waitFor message is taking a long time to complete...
00:32 +1 ~1 -1: Integration tests cash games flow [E]
TimeoutException after 0:00:30.000000: Test timed out after 30 seconds. See https://pub.dev/packages/test#timeouts
package:test_api/src/backend/invoker.dart 318:28 Invoker._handleError.<fn>
dart:async/zone.dart 1178:47 _rootRun
dart:async/zone.dart 1090:19 _CustomZone.run
package:test_api/src/backend/invoker.dart 316:10 Invoker._handleError
package:test_api/src/backend/invoker.dart 272:9 Invoker.heartbeat.<fn>.<fn>
dart:async/zone.dart 1186:13 _rootRun
dart:async/zone.dart 1090:19 _CustomZone.run
package:test_api/src/backend/invoker.dart 271:38 Invoker.heartbeat.<fn>
dart:async-patch/timer_patch.dart 18:15 Timer._createTimer.<fn>
dart:isolate-patch/timer_impl.dart 395:19 _Timer._runTimers
dart:isolate-patch/timer_impl.dart 426:5 _Timer._handleMessage
dart:isolate-patch/isolate_patch.dart 184:12 _RawReceivePortImpl._handleMessage
00:32 +1 ~2 -1: Integration tests (tearDownAll)
flutter: Handling request from Flutter driver: quit_app
00:32 +1 ~2 -1: Integration tests cash games flow [E]
DriverError: Failed to fulfill WaitFor due to remote error
Original error: ext.flutter.driver: (-32000) Service connection disposed
Original stack trace:
dart:async/future_impl.dart 23:44 _Completer.completeError
package:vm_service/src/vm_service.dart 1972:16 VmService.dispose.<fn>
dart:collection-patch/compact_hash.dart 387:8 _LinkedHashMapMixin.forEach
package:vm_service/src/vm_service.dart 1970:17 VmService.dispose
package:flutter_driver/src/driver/vmservice_driver.dart 528:20 VMServiceFlutterDriver.close
test_driver/app_test.dart 32:21 main.<fn>.<fn>
===== asynchronous gap ===========================
dart:async/zone.dart 1118:19 _CustomZone.registerUnaryCallback
dart:async-patch/async_patch.dart 40:23 _asyncThenWrapperHelper
test_driver/app_test.dart main.<fn>.<fn>
dart:async/future.dart 226:31 new Future.sync
package:test_api/src/util/test.dart 21:12 errorsDontStopTest.<fn>
package:test_api/src/backend/invoker.dart 231:15 Invoker.waitForOutstandingCallbacks.<fn>
package:test_api/src/backend/invoker.dart 228:14 Invoker.waitForOutstandingCallbacks.<fn>
dart:async/zone.dart 1186:13 _rootRun
dart:async/zone.dart 1090:19 _CustomZone.run
dart:async/zone.dart 1626:10 _runZoned
dart:async/zone.dart 1546:10 runZoned
package:test_api/src/backend/invoker.dart 228:5 Invoker.waitForOutstandingCallbacks
package:test_api/src/util/test.dart 20:20 errorsDontStopTest
package:test_api/src/backend/declarer.dart 358:19 Declarer._tearDownAll.<fn>.<fn>.<fn>
package:test_api/src/backend/declarer.dart 356:44 Declarer._tearDownAll.<fn>.<fn>.<fn>
dart:async/zone.dart 1186:13 _rootRun
dart:async/zone.dart 1090:19 _CustomZone.run
dart:async/zone.dart 1626:10 _runZoned
dart:async/zone.dart 1546:10 runZoned
package:test_api/src/backend/invoker.dart 248:12 Invoker.unclosable
package:test_api/src/backend/declarer.dart 356:33 Declarer._tearDownAll.<fn>.<fn>
dart:async/zone.dart 1186:13 _rootRun
dart:async/zone.dart 1090:19 _CustomZone.run
dart:async/zone.dart 1626:10 _runZoned
dart:async/zone.dart 1546:10 runZoned
package:test_api/src/backend/declarer.dart 355:14 Declarer._tearDownAll.<fn>
package:test_api/src/backend/invoker.dart 231:15 Invoker.waitForOutstandingCallbacks.<fn>
package:test_api/src/backend/invoker.dart 228:14 Invoker.waitForOutstandingCallbacks.<fn>
dart:async/zone.dart 1186:13 _rootRun
dart:async/zone.dart 1090:19 _CustomZone.run
dart:async/zone.dart 1626:10 _runZoned
dart:async/zone.dart 1546:10 runZoned
package:test_api/src/backend/invoker.dart 228:5 Invoker.waitForOutstandingCallbacks
package:test_api/src/backend/invoker.dart 383:17 Invoker._onRun.<fn>.<fn>.<fn>
===== asynchronous gap ===========================
dart:async/zone.dart 1118:19 _CustomZone.registerUnaryCallback
dart:async-patch/async_patch.dart 40:23 _asyncThenWrapperHelper
package:test_api/src/backend/invoker.dart Invoker._onRun.<fn>.<fn>.<fn>
dart:async/zone.dart 1186:13 _rootRun
dart:async/zone.dart 1090:19 _CustomZone.run
dart:async/zone.dart 1626:10 _runZoned
dart:async/zone.dart 1546:10 runZoned
package:test_api/src/backend/invoker.dart 370:9 Invoker._onRun.<fn>.<fn>
package:test_api/src/backend/invoker.dart 415:15 Invoker._guardIfGuarded
package:test_api/src/backend/invoker.dart 369:7 Invoker._onRun.<fn>
package:stack_trace/src/chain.dart 94:24 Chain.capture.<fn>
dart:async/zone.dart 1186:13 _rootRun
dart:async/zone.dart 1090:19 _CustomZone.run
dart:async/zone.dart 1626:10 _runZoned
dart:async/zone.dart 1546:10 runZoned
package:stack_trace/src/chain.dart 92:12 Chain.capture
package:test_api/src/backend/invoker.dart 368:11 Invoker._onRun
package:test_api/src/backend/live_test_controller.dart 153:11 LiveTestController.run
dart:async/future.dart 204:37 new Future.microtask.<fn>
dart:async/zone.dart 1178:47 _rootRun
dart:async/zone.dart 1090:19 _CustomZone.run
dart:async/zone.dart 994:7 _CustomZone.runGuarded
dart:async/zone.dart 1034:23 _CustomZone.bindCallbackGuarded.<fn>
dart:async/zone.dart 1186:13 _rootRun
dart:async/zone.dart 1090:19 _CustomZone.run
dart:async/zone.dart 994:7 _CustomZone.runGuarded
dart:async/zone.dart 1034:23 _CustomZone.bindCallbackGuarded.<fn>
dart:async/schedule_microtask.dart 41:21 _microtaskLoop
dart:async/schedule_microtask.dart 50:5 _startMicrotaskLoop
dart:isolate-patch/isolate_patch.dart 120:13 _runPendingImmediateCallback
dart:isolate-patch/timer_impl.dart 402:11 _Timer._runTimers
dart:isolate-patch/timer_impl.dart 426:5 _Timer._handleMessage
dart:isolate-patch/isolate_patch.dart 184:12 _RawReceivePortImpl._handleMessage
package:flutter_driver/src/driver/vmservice_driver.dart 322:7 VMServiceFlutterDriver.sendCommand
===== asynchronous gap ===========================
dart:async/zone.dart 1126:19 _CustomZone.registerBinaryCallback
dart:async-patch/async_patch.dart 51:8 _asyncErrorWrapperHelper
package:test_api/src/backend/invoker.dart Invoker.waitForOutstandingCallbacks.<fn>
dart:async/zone.dart 1186:13 _rootRun
dart:async/zone.dart 1090:19 _CustomZone.run
dart:async/zone.dart 1626:10 _runZoned
dart:async/zone.dart 1546:10 runZoned
package:test_api/src/backend/invoker.dart 228:5 Invoker.waitForOutstandingCallbacks
package:test_api/src/backend/invoker.dart 383:17 Invoker._onRun.<fn>.<fn>.<fn>
===== asynchronous gap ===========================
dart:async/zone.dart 1118:19 _CustomZone.registerUnaryCallback
dart:async-patch/async_patch.dart 40:23 _asyncThenWrapperHelper
package:test_api/src/backend/invoker.dart Invoker._onRun.<fn>.<fn>.<fn>
dart:async/zone.dart 1186:13 _rootRun
dart:async/zone.dart 1090:19 _CustomZone.run
dart:async/zone.dart 1626:10 _runZoned
dart:async/zone.dart 1546:10 runZoned
package:test_api/src/backend/invoker.dart 370:9 Invoker._onRun.<fn>.<fn>
package:test_api/src/backend/invoker.dart 415:15 Invoker._guardIfGuarded
package:test_api/src/backend/invoker.dart 369:7 Invoker._onRun.<fn>
package:stack_trace/src/chain.dart 94:24 Chain.capture.<fn>
dart:async/zone.dart 1186:13 _rootRun
dart:async/zone.dart 1090:19 _CustomZone.run
dart:async/zone.dart 1626:10 _runZoned
dart:async/zone.dart 1546:10 runZoned
package:stack_trace/src/chain.dart 92:12 Chain.capture
package:test_api/src/backend/invoker.dart 368:11 Invoker._onRun
package:test_api/src/backend/live_test_controller.dart 153:11 LiveTestController.run
dart:async/future.dart 204:37 new Future.microtask.<fn>
dart:async/zone.dart 1178:47 _rootRun
dart:async/zone.dart 1090:19 _CustomZone.run
dart:async/zone.dart 994:7 _CustomZone.runGuarded
dart:async/zone.dart 1034:23 _CustomZone.bindCallbackGuarded.<fn>
dart:async/zone.dart 1186:13 _rootRun
dart:async/zone.dart 1090:19 _CustomZone.run
dart:async/zone.dart 994:7 _CustomZone.runGuarded
dart:async/zone.dart 1034:23 _CustomZone.bindCallbackGuarded.<fn>
dart:async/schedule_microtask.dart 41:21 _microtaskLoop
dart:async/schedule_microtask.dart 50:5 _startMicrotaskLoop
dart:isolate-patch/isolate_patch.dart 120:13 _runPendingImmediateCallback
dart:isolate-patch/timer_impl.dart 402:11 _Timer._runTimers
dart:isolate-patch/timer_impl.dart 426:5 _Timer._handleMessage
dart:isolate-patch/isolate_patch.dart 184:12 _RawReceivePortImpl._handleMessage
00:32 +1 ~2 -1: Some tests failed.
Unhandled exception:
Dummy exception to set exit code.
Failed to stop app
测试代码：
import 'dart:io';
import 'package:flutter_driver/flutter_driver.dart';
import 'package:intl/intl.dart';
import 'package:test/test.dart';
const String appDateFormatFullMonth = "MMMM dd, yyyy";
final DateFormat appDateFormatterFullMonth = DateFormat(appDateFormatFullMonth);
void main() {
group('Integration tests', () {
FlutterDriver driver;
setUpAll(() async {
driver = await FlutterDriver.connect();
// Wait for the first frame to be rasterized during the app launch.
await driver.waitUntilFirstFrameRasterized();
});
tearDownAll(() async {
await driver.requestData("quit_app");
await driver?.close();
});
Future<bool> isPresent(SerializableFinder byValueKey, {Duration timeout = const Duration(seconds: 1)}) async {
try {
await driver.waitFor(byValueKey, timeout: timeout);
return true;
} catch (exception) {
return false;
}
}
setUp(() async => await driver.requestData("navigate_to_root"));
tearDown(() async {}); // TODO - cleanup user data?
test('cash games flow', () async {
final welcomeButtonUseAnon = find.byValueKey('welcome-useAnon');
expect(await isPresent(welcomeButtonUseAnon), true, reason: "Unable to find welcome useAnon");
await driver.tap(welcomeButtonUseAnon);
final mainMenuButtonCashGames = find.byValueKey('mainMenu-cashGames');
expect(await isPresent(mainMenuButtonCashGames), true, reason: "Unable to find Cash Games on main menu button");
await driver.tap(mainMenuButtonCashGames);
// cash games welcome screen
final cashGamesButtonAddSession = find.byValueKey('cashGames-addSession');
final cashGamesButtonUpdateSession = find.byValueKey('cashGames-updateSession');
expect(await isPresent(cashGamesButtonAddSession), true, reason: "Unable to find Cash Games add session button");
expect(await isPresent(cashGamesButtonUpdateSession), true,
reason: "Unable to find Cash Games Update Session button");
// Next screen - new game
await driver.tap(cashGamesButtonAddSession);
expect(await isPresent(find.text("New game")), true, reason: "Unable to locate new cash game title");
final venueTextField = find.byValueKey('cashGames-new-venue');
final dateTextField = find.byValueKey('cashGames-new-date');
var cancelButton = find.byValueKey('cashGames-new-cancelBtn');
var nextButton = find.byValueKey('cashGames-new-nextBtn');
expect(await isPresent(cancelButton), true);
// Fill out new game info
var testVenueName = 'Restaurant at End of the world';
expect(await isPresent(venueTextField), true);
await driver.tap(venueTextField);
await driver.enterText(testVenueName);
await driver.waitFor(find.text(testVenueName));
expect(await isPresent(dateTextField), true);
await driver.tap(dateTextField);
await driver.enterText(appDateFormatterFullMonth.format(DateTime.now()));
expect(await isPresent(nextButton), true);
await driver.tap(nextButton);
// Next screen - Game details
await driver.waitFor(find.text(testVenueName));
await driver.waitFor(find.text("Game type:"));
await driver.waitFor(find.byValueKey("cashGames-details-cancelBtn"));
nextButton = find.byValueKey("cashGames-details-startSessionBtn");
await driver.waitFor(nextButton);
await driver.tap(nextButton);
// Next screen - ...
await driver.waitFor(find.text('Coming soon')); // on the next screen
});
});
}
颤振医生-v
[✓] Flutter (Channel beta, 1.25.0-8.1.pre, on macOS 11.1 20C69 darwin-arm, locale en-US)
• Flutter version 1.25.0-8.1.pre at /Users/agautam/tools/flutter
• Framework revision 8f89f6505b (4 days ago), 2020-12-15 15:07:52 -0800
• Engine revision 92ae191c17
• Dart version 2.12.0 (build 2.12.0-133.2.beta)
[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
• Android SDK at /Users/agautam/Library/Android/sdk
• Platform android-30, build-tools 30.0.3
• Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
• Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6915495)
• All Android licenses accepted.
[✓] Xcode - develop for iOS and macOS (Xcode 12.3)
• Xcode at /Applications/Xcode.app/Contents/Developer
• Xcode 12.3, Build version 12C33
• CocoaPods version 1.10.0
[✓] Android Studio
• Android Studio at /Applications/Android Studio 4.2 Preview.app/Contents
• Flutter plugin can be installed from:
https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
https://plugins.jetbrains.com/plugin/6351-dart
• Java version OpenJDK Runtime Environment (build 11.0.8+10-b944.6842174)
[✓] Android Studio (version 4.1)
• Android Studio at /Applications/Android Studio.app/Contents
• Flutter plugin can be installed from:
https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
https://plugins.jetbrains.com/plugin/6351-dart
• Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6915495)
[✓] VS Code (version 1.52.1)
• VS Code at /Applications/Visual Studio Code.app/Contents
• Flutter extension version 3.17.0
[✓] Connected device (1 available)
• iPhone 12 Pro Max (mobile) • D52F7EE5-34D4-4444-B05E-743F72B240A9 • ios • com.apple.CoreSimulator.SimRuntime.iOS-14-3 (simulator)
• No issues found!
谢谢
阿杰