Move integration test to null safety for multiple plugins (flutter#3932)

Cherry-picks flutter#3646 from the NNBD integration test branch, and updates it for changes on master.

Co-authored-by: Chris Yang <[email protected]>

packages/connectivity/connectivity/example/integration_test/connectivity_test.dart

@@ -2,9 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// TODO(cyanglaz): Remove once https://github.com/flutter/plugins/pull/3158 is landed.
-// @dart = 2.9
-
 import 'package:integration_test/integration_test.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:connectivity/connectivity.dart';
@@ -13,7 +10,7 @@ void main() {
   IntegrationTestWidgetsFlutterBinding.ensureInitialized();
 
   group('Connectivity test driver', () {
-    Connectivity _connectivity;
+    late Connectivity _connectivity;
 
     setUpAll(() async {
       _connectivity = Connectivity();

packages/connectivity/connectivity/example/test_driver/integration_test.dart

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// @dart=2.9
-
 import 'package:integration_test/integration_test_driver.dart';
 
 Future<void> main() => integrationDriver();

packages/connectivity/connectivity/pubspec.yaml

@@ -30,11 +30,9 @@ dev_dependencies:
     sdk: flutter
   flutter_driver:
     sdk: flutter
-  test: ^1.16.3
-  integration_test:
-    sdk: flutter
   plugin_platform_interface: ^2.0.0
   pedantic: ^1.10.0
+  test: ^1.16.3
 
 environment:
   sdk: ">=2.12.0 <3.0.0"

packages/connectivity/connectivity_macos/example/integration_test/connectivity_test.dart

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// @dart = 2.9
 import 'dart:io';
 import 'package:integration_test/integration_test.dart';
 import 'package:flutter_test/flutter_test.dart';
@@ -12,7 +11,7 @@ void main() {
   IntegrationTestWidgetsFlutterBinding.ensureInitialized();
 
   group('Connectivity test driver', () {
-    ConnectivityPlatform _connectivity;
+    late ConnectivityPlatform _connectivity;
 
     setUpAll(() async {
       _connectivity = ConnectivityPlatform.instance;

packages/connectivity/connectivity_macos/example/test_driver/integration_test.dart

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// @dart=2.9
-
 import 'package:integration_test/integration_test_driver.dart';
 
 Future<void> main() => integrationDriver();

packages/device_info/device_info/example/integration_test/device_info_test.dart

@@ -2,9 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// TODO(cyanglaz): Remove once https://github.com/flutter/plugins/pull/3158 is landed.
-// @dart = 2.9
-
 import 'dart:io';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:device_info/device_info.dart';
@@ -13,8 +10,8 @@ import 'package:integration_test/integration_test.dart';
 void main() {
   IntegrationTestWidgetsFlutterBinding.ensureInitialized();
 
-  IosDeviceInfo iosInfo;
-  AndroidDeviceInfo androidInfo;
+  late IosDeviceInfo iosInfo;
+  late AndroidDeviceInfo androidInfo;
 
   setUpAll(() async {
     final DeviceInfoPlugin deviceInfoPlugin = DeviceInfoPlugin();

packages/device_info/device_info/example/test_driver/integration_test.dart

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// @dart=2.9
-
 import 'package:integration_test/integration_test_driver.dart';
 
 Future<void> main() => integrationDriver();

packages/image_picker/image_picker/example/integration_test/old_image_picker_test.dart

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// @dart=2.9
-
 import 'package:integration_test/integration_test.dart';
 
 void main() {

packages/image_picker/image_picker/example/test_driver/integration_test.dart

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// @dart=2.9
-
 import 'package:integration_test/integration_test_driver.dart';
 
 Future<void> main() => integrationDriver();

packages/image_picker/image_picker/pubspec.yaml

@@ -30,8 +30,6 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  integration_test:
-    sdk: flutter
   mockito: ^5.0.0-nullsafety.7
   pedantic: ^1.10.0
   plugin_platform_interface: ^2.0.0

packages/in_app_purchase/in_app_purchase/example/integration_test/in_app_purchase_test.dart

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// @dart = 2.9
 import 'package:flutter_test/flutter_test.dart';
 import 'package:in_app_purchase/in_app_purchase.dart';
 import 'package:integration_test/integration_test.dart';

packages/in_app_purchase/in_app_purchase/example/test_driver/integration_test.dart

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// @dart=2.9
-
 import 'package:integration_test/integration_test_driver.dart';
 
 Future<void> main() => integrationDriver();

packages/in_app_purchase/in_app_purchase_android/example/integration_test/in_app_purchase_test.dart

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// @dart = 2.9
 import 'package:flutter_test/flutter_test.dart';
 import 'package:in_app_purchase_android/in_app_purchase_android.dart';
 import 'package:in_app_purchase_platform_interface/in_app_purchase_platform_interface.dart';

packages/in_app_purchase/in_app_purchase_android/example/test_driver/test/integration_test.dart

@@ -2,17 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// @dart = 2.9
-import 'dart:async';
-import 'dart:convert';
-import 'dart:io';
-import 'package:flutter_driver/flutter_driver.dart';
+import 'package:integration_test/integration_test_driver.dart';
 
-Future<void> main() async {
-  final FlutterDriver driver = await FlutterDriver.connect();
-  final String data =
-      await driver.requestData(null, timeout: const Duration(minutes: 1));
-  await driver.close();
-  final Map<String, dynamic> result = jsonDecode(data);
-  exit(result['result'] == 'true' ? 0 : 1);
-}
+Future<void> main() => integrationDriver();

packages/in_app_purchase/in_app_purchase_ios/example/integration_test/in_app_purchase_test.dart

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// @dart = 2.9
 import 'package:flutter_test/flutter_test.dart';
 import 'package:in_app_purchase_ios/in_app_purchase_ios.dart';
 import 'package:in_app_purchase_platform_interface/in_app_purchase_platform_interface.dart';

packages/in_app_purchase/in_app_purchase_ios/example/test_driver/test/integration_test.dart

@@ -2,17 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// @dart = 2.9
-import 'dart:async';
-import 'dart:convert';
-import 'dart:io';
-import 'package:flutter_driver/flutter_driver.dart';
+import 'package:integration_test/integration_test_driver.dart';
 
-Future<void> main() async {
-  final FlutterDriver driver = await FlutterDriver.connect();
-  final String data =
-      await driver.requestData(null, timeout: const Duration(minutes: 1));
-  await driver.close();
-  final Map<String, dynamic> result = jsonDecode(data);
-  exit(result['result'] == 'true' ? 0 : 1);
-}
+Future<void> main() => integrationDriver();

packages/quick_actions/quick_actions/example/integration_test/quick_actions_test.dart

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// @dart = 2.9
 import 'package:flutter_test/flutter_test.dart';
 import 'package:integration_test/integration_test.dart';
 import 'package:quick_actions/quick_actions.dart';
@@ -12,7 +11,7 @@ void main() {
 
   testWidgets('Can set shortcuts', (WidgetTester tester) async {
     final QuickActions quickActions = QuickActions();
-    await quickActions.initialize(null);
+    await quickActions.initialize((String shortcutType) => {});
 
     const ShortcutItem shortCutItem = ShortcutItem(
       type: 'action_one',

packages/quick_actions/quick_actions/example/test_driver/integration_test.dart

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// @dart=2.9
-
 import 'package:integration_test/integration_test_driver.dart';
 
 Future<void> main() => integrationDriver();

packages/quick_actions/quick_actions/pubspec.yaml

@@ -27,8 +27,6 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  integration_test:
-    sdk: flutter
-  mockito: ^5.0.0-nullsafety.7
+  mockito: ^5.0.0
   pedantic: ^1.11.0
   plugin_platform_interface: ^2.0.0

packages/webview_flutter/example/integration_test/webview_flutter_test.dart

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// @dart = 2.9
-
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
@@ -36,7 +34,7 @@ void main() {
       ),
     );
     final WebViewController controller = await controllerCompleter.future;
-    final String currentUrl = await controller.currentUrl();
+    final String? currentUrl = await controller.currentUrl();
     expect(currentUrl, 'https://flutter.dev/');
   });
 
@@ -57,7 +55,7 @@ void main() {
     );
     final WebViewController controller = await controllerCompleter.future;
     await controller.loadUrl('https://www.google.com/');
-    final String currentUrl = await controller.currentUrl();
+    final String? currentUrl = await controller.currentUrl();
     expect(currentUrl, 'https://www.google.com/');
   });
 
@@ -91,7 +89,7 @@ void main() {
     };
     await controller.loadUrl('https://flutter-header-echo.herokuapp.com/',
         headers: headers);
-    final String currentUrl = await controller.currentUrl();
+    final String? currentUrl = await controller.currentUrl();
     expect(currentUrl, 'https://flutter-header-echo.herokuapp.com/');
 
     await pageStarts.stream.firstWhere((String url) => url == currentUrl);
@@ -328,7 +326,7 @@ void main() {
   });
 
   group('Video playback policy', () {
-    String videoTestBase64;
+    late String videoTestBase64;
     setUpAll(() async {
       final ByteData videoData =
           await rootBundle.load('assets/sample_video.mp4');
@@ -587,7 +585,7 @@ void main() {
   });
 
   group('Audio playback policy', () {
-    String audioTestBase64;
+    late String audioTestBase64;
     setUpAll(() async {
       final ByteData audioData =
           await rootBundle.load('assets/sample_audio.ogg');
@@ -793,7 +791,7 @@ void main() {
     await pageStarted.future;
     await pageLoaded.future;
 
-    final String title = await controller.getTitle();
+    final String? title = await controller.getTitle();
     expect(title, 'Some title');
   });
 
@@ -1094,7 +1092,7 @@ void main() {
           .evaluateJavascript('location.href = "https://www.google.com/"');
 
       await pageLoads.stream.first; // Wait for the next page load.
-      final String currentUrl = await controller.currentUrl();
+      final String? currentUrl = await controller.currentUrl();
       expect(currentUrl, 'https://www.google.com/');
     });
 
@@ -1123,7 +1121,7 @@ void main() {
         expect(error.failingUrl, isNull);
       } else if (Platform.isAndroid) {
         expect(error.errorType, isNotNull);
-        expect(error.failingUrl.startsWith('https://www.notawebsite..com'),
+        expect(error.failingUrl?.startsWith('https://www.notawebsite..com'),
             isTrue);
       }
     });
@@ -1184,8 +1182,8 @@ void main() {
       // blocked. Still wait for a potential page change for some time in order
       // to give the test a chance to fail.
       await pageLoads.stream.first
-          .timeout(const Duration(milliseconds: 500), onTimeout: () => null);
-      final String currentUrl = await controller.currentUrl();
+          .timeout(const Duration(milliseconds: 500), onTimeout: () => '');
+      final String? currentUrl = await controller.currentUrl();
       expect(currentUrl, isNot(contains('youtube.com')));
     });
 
@@ -1222,7 +1220,7 @@ void main() {
           .evaluateJavascript('location.href = "https://www.google.com"');
 
       await pageLoads.stream.first; // Wait for second page to load.
-      final String currentUrl = await controller.currentUrl();
+      final String? currentUrl = await controller.currentUrl();
       expect(currentUrl, 'https://www.google.com/');
     });
   });
@@ -1249,7 +1247,7 @@ void main() {
       ),
     );
     final WebViewController controller = await controllerCompleter.future;
-    final String currentUrl = await controller.currentUrl();
+    final String? currentUrl = await controller.currentUrl();
     expect(currentUrl, 'https://flutter.dev/');
   });
 
@@ -1276,7 +1274,7 @@ void main() {
     final WebViewController controller = await controllerCompleter.future;
     await controller.evaluateJavascript('window.open("about:blank", "_blank")');
     await pageLoaded.future;
-    final String currentUrl = await controller.currentUrl();
+    final String? currentUrl = await controller.currentUrl();
     expect(currentUrl, 'about:blank');
   });
 

packages/webview_flutter/example/test_driver/integration_test.dart

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// @dart=2.9
-
 import 'package:integration_test/integration_test_driver.dart';
 
 Future<void> main() => integrationDriver();

packages/wifi_info_flutter/wifi_info_flutter/example/integration_test/wifi_info_test.dart

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// @dart = 2.9
-
 import 'dart:io';
 import 'package:integration_test/integration_test.dart';
 import 'package:flutter_test/flutter_test.dart';
@@ -13,7 +11,7 @@ void main() {
   IntegrationTestWidgetsFlutterBinding.ensureInitialized();
 
   group('$WifiInfo test driver', () {
-    WifiInfo _wifiInfo;
+    late WifiInfo _wifiInfo;
 
     setUpAll(() async {
       _wifiInfo = WifiInfo();

packages/wifi_info_flutter/wifi_info_flutter/example/test_driver/integration_test.dart

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// @dart=2.9
-
 import 'package:integration_test/integration_test_driver.dart';
 
 Future<void> main() => integrationDriver();

packages/wifi_info_flutter/wifi_info_flutter/pubspec.yaml

@@ -13,8 +13,6 @@ dependencies:
   wifi_info_flutter_platform_interface: ^2.0.0
 
 dev_dependencies:
-  integration_test:
-    sdk: flutter
   flutter_test:
     sdk: flutter