[gen-l10n] Fix untranslated messages (#68553)

dev/tools/localization/bin/gen_l10n.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 'dart:io';
-
-/// Runs `flutter generate_localizations with arguments passed in.
-///
-/// This script exists as a legacy entrypoint, since existing users of
-/// gen_l10n tool used to call
-/// `dart ${FLUTTER}/dev/tools/localizations/bin/gen_l10n.dart <options>` to
-/// generate their Flutter project's localizations resources.
-///
-/// Now, the appropriate way to use this tool is to either define an `l10n.yaml`
-/// file in the Flutter project repository, or call
-/// `flutter generate_localizations <options>`, since the code has moved
-/// into `flutter_tools`.
-Future<void> main(List<String> rawArgs) async {
-  final ProcessResult result = await Process.run(
-    'flutter',
-    <String>[
-      'generate_localizations',
-      ...rawArgs,
-    ],
-  );
-
-  stdout.write(result.stdout);
-  stderr.write(result.stderr);
-}

packages/flutter_tools/lib/src/build_system/targets/localizations.dart

@@ -62,13 +62,10 @@ void generateLocalizations({
         useDeferredLoading: options.deferredLoading ?? false,
         useSyntheticPackage: options.useSyntheticPackage ?? true,
         areResourceAttributesRequired: options.areResourceAttributesRequired ?? false,
+        untranslatedMessagesFile: options?.untranslatedMessagesFile?.toFilePath(),
       )
       ..loadResources()
-      ..writeOutputFiles()
-      ..outputUnimplementedMessages(
-        options?.untranslatedMessagesFile?.toFilePath(),
-        logger,
-      );
+      ..writeOutputFiles(logger);
   } on L10nException catch (e) {
     logger.printError(e.message);
     throw Exception();

packages/flutter_tools/lib/src/commands/generate_localizations.dart

@@ -206,10 +206,10 @@ class GenerateLocalizationsCommand extends FlutterCommand {
           useSyntheticPackage: useSyntheticPackage,
           projectPathString: projectPathString,
           areResourceAttributesRequired: areResourceAttributesRequired,
+          untranslatedMessagesFile: untranslatedMessagesFile,
         )
         ..loadResources()
-        ..writeOutputFiles()
-        ..outputUnimplementedMessages(untranslatedMessagesFile, globals.logger);
+        ..writeOutputFiles(globals.logger);
     } on L10nException catch (e) {
       throwToolExit(e.message);
     }

packages/flutter_tools/lib/src/localizations/gen_l10n.dart

@@ -520,6 +520,10 @@ class LocalizationsGenerator {
   /// classes.
   String _generatedLocalizationsFile;
 
+  /// A generated file that will contain the list of messages for each locale
+  /// that do not have a translation yet.
+  File _untranslatedMessagesFile;
+
   /// The file that contains the list of inputs and outputs for generating
   /// localizations.
   File _inputsAndOutputsListFile;
@@ -554,6 +558,7 @@ class LocalizationsGenerator {
     bool useSyntheticPackage = true,
     String projectPathString,
     bool areResourceAttributesRequired = false,
+    String untranslatedMessagesFile,
   }) {
     _useSyntheticPackage = useSyntheticPackage;
     setProjectDir(projectPathString);
@@ -564,6 +569,7 @@ class LocalizationsGenerator {
     setPreferredSupportedLocales(preferredSupportedLocale);
     _setHeader(headerString, headerFile);
     _setUseDeferredLoading(useDeferredLoading);
+    _setUntranslatedMessagesFile(untranslatedMessagesFile);
     className = classNameString;
     _setInputsAndOutputsListFile(inputsAndOutputsListPath);
     _areResourceAttributesRequired = areResourceAttributesRequired;
@@ -763,6 +769,16 @@ class LocalizationsGenerator {
     _useDeferredLoading = useDeferredLoading;
   }
 
+  void _setUntranslatedMessagesFile(String untranslatedMessagesFileString) {
+    if (untranslatedMessagesFileString == null || untranslatedMessagesFileString.isEmpty) {
+      return;
+    }
+
+    _untranslatedMessagesFile = _fs.file(
+      globals.fs.path.join(untranslatedMessagesFileString),
+    );
+  }
+
   void _setInputsAndOutputsListFile(String inputsAndOutputsListPath) {
     if (inputsAndOutputsListPath == null) {
       return;
@@ -1017,7 +1033,7 @@ class LocalizationsGenerator {
       .replaceAll('@(delegateClass)', delegateClass);
   }
 
-  void writeOutputFiles() {
+  void writeOutputFiles(Logger logger) {
     // First, generate the string contents of all necessary files.
     _generateCode();
 
@@ -1054,6 +1070,20 @@ class LocalizationsGenerator {
     });
 
     baseOutputFile.writeAsStringSync(_generatedLocalizationsFile);
+
+    if (_untranslatedMessagesFile != null) {
+      _generateUntranslatedMessagesFile(logger);
+    } else if (_unimplementedMessages.isNotEmpty) {
+      _unimplementedMessages.forEach((LocaleInfo locale, List<String> messages) {
+        logger.printStatus('"$locale": ${messages.length} untranslated message(s).');
+      });
+      logger.printStatus(
+        'To see a detailed report, use the --untranslated-messages-file \n'
+        'option in the tool to generate a JSON format file containing \n'
+        'all messages that need to be translated.'
+      );
+    }
+
     if (_inputsAndOutputsListFile != null) {
       _outputFileList.add(baseOutputFile.absolute.path);
 
@@ -1071,34 +1101,21 @@ class LocalizationsGenerator {
     }
   }
 
-  void outputUnimplementedMessages(String untranslatedMessagesFile, Logger logger) {
+  void _generateUntranslatedMessagesFile(Logger logger) {
     if (logger == null) {
       throw L10nException(
         'Logger must be defined when generating untranslated messages file.'
       );
     }
 
-    if (untranslatedMessagesFile == null || untranslatedMessagesFile == '') {
-      _unimplementedMessages.forEach((LocaleInfo locale, List<String> messages) {
-        logger.printStatus('"$locale": ${messages.length} untranslated message(s).');
-      });
-      logger.printStatus(
-        'To see a detailed report, use the --untranslated-messages-file \n'
-        'option in the tool to generate a JSON format file containing \n'
-        'all messages that need to be translated.'
-      );
-    } else {
-      _writeUnimplementedMessagesFile(untranslatedMessagesFile);
-    }
-  }
-
-  void _writeUnimplementedMessagesFile(String untranslatedMessagesFile) {
     if (_unimplementedMessages.isEmpty) {
+      _untranslatedMessagesFile.writeAsStringSync('{}');
+      if (_inputsAndOutputsListFile != null) {
+        _outputFileList.add(_untranslatedMessagesFile.absolute.path);
+      }
       return;
     }
 
-    final File unimplementedMessageTranslationsFile = _fs.file(untranslatedMessagesFile);
-
     String resultingFile = '{\n';
     int count = 0;
     final int numberOfLocales = _unimplementedMessages.length;
@@ -1122,6 +1139,9 @@ class LocalizationsGenerator {
     });
 
     resultingFile += '}\n';
-    unimplementedMessageTranslationsFile.writeAsStringSync(resultingFile);
+    _untranslatedMessagesFile.writeAsStringSync(resultingFile);
+    if (_inputsAndOutputsListFile != null) {
+      _outputFileList.add(_untranslatedMessagesFile.absolute.path);
+    }
   }
 }

packages/flutter_tools/test/general.shard/build_system/targets/localizations_test.dart

@@ -66,11 +66,11 @@ void main() {
         useSyntheticPackage: false,
         projectPathString: '/',
         areResourceAttributesRequired: true,
+        untranslatedMessagesFile: 'untranslated',
       ),
     ).called(1);
     verify(mockLocalizationsGenerator.loadResources()).called(1);
-    verify(mockLocalizationsGenerator.writeOutputFiles()).called(1);
-    verify(mockLocalizationsGenerator.outputUnimplementedMessages('untranslated', logger)).called(1);
+    verify(mockLocalizationsGenerator.writeOutputFiles(logger)).called(1);
   });
 
   testUsingContext('generateLocalizations throws exception on missing flutter: generate: true flag', () async {

packages/flutter_tools/test/general.shard/generate_localizations_test.dart

@@ -48,6 +48,11 @@ const String singleEsMessageArbFileString = '''
 {
   "title": "Título"
 }''';
+const String twoEsMessageArbFileString = '''
+{
+  "title": "Título",
+  "subtitle": "Subtitular"
+}''';
 const String singleZhMessageArbFileString = '''
 {
   "title": "标题"
@@ -232,7 +237,7 @@ void main() {
           classNameString: defaultClassNameString,
         );
         generator.loadResources();
-        generator.writeOutputFiles();
+        generator.writeOutputFiles(BufferLogger.test());
       } on L10nException catch (e) {
         throw TestFailure('Unexpected failure during test setup: ${e.message}');
       } on Exception catch (e) {
@@ -428,7 +433,7 @@ void main() {
           classNameString: defaultClassNameString,
         )
         ..loadResources()
-        ..writeOutputFiles();
+        ..writeOutputFiles(BufferLogger.test());
     } on L10nException catch (e) {
       fail('Generating output should not fail: \n${e.message}');
     }
@@ -465,7 +470,7 @@ void main() {
     fail('Using app_en_CA_foo.arb should fail as it is not a valid locale.');
   });
 
-  test('correctly creates an unimplemented messages file', () {
+  test('correctly creates an untranslated messages file (useSyntheticPackage = true)', () {
     fs.currentDirectory.childDirectory('lib').childDirectory('l10n')
       ..createSync(recursive: true)
       ..childFile(defaultTemplateArbFileName).writeAsStringSync(twoMessageArbFileString)
@@ -481,13 +486,49 @@ void main() {
           templateArbFileName: defaultTemplateArbFileName,
           outputFileString: defaultOutputFileString,
           classNameString: defaultClassNameString,
+          untranslatedMessagesFile: fs.path.join('lib', 'l10n', 'unimplemented_message_translations.json'),
         )
         ..loadResources()
-        ..writeOutputFiles()
-        ..outputUnimplementedMessages(
-          fs.path.join('lib', 'l10n', 'unimplemented_message_translations.json'),
-          BufferLogger.test(),
-        );
+        ..writeOutputFiles(BufferLogger.test());
+    } on L10nException catch (e) {
+      fail('Generating output should not fail: \n${e.message}');
+    }
+
+    final File unimplementedOutputFile = fs.file(
+      fs.path.join('lib', 'l10n', 'unimplemented_message_translations.json'),
+    );
+    final String unimplementedOutputString = unimplementedOutputFile.readAsStringSync();
+    try {
+      // Since ARB file is essentially JSON, decoding it should not fail.
+      json.decode(unimplementedOutputString);
+    } on Exception {
+      fail('Parsing arb file should not fail');
+    }
+    expect(unimplementedOutputString, contains('es'));
+    expect(unimplementedOutputString, contains('subtitle'));
+  });
+
+  test('correctly creates an untranslated messages file (useSyntheticPackage = false)', () {
+    fs.currentDirectory.childDirectory('lib').childDirectory('l10n')
+      ..createSync(recursive: true)
+      ..childFile(defaultTemplateArbFileName).writeAsStringSync(twoMessageArbFileString)
+      ..childFile(esArbFileName).writeAsStringSync(singleEsMessageArbFileString);
+
+    LocalizationsGenerator generator;
+    try {
+      generator = LocalizationsGenerator(fs);
+      generator
+        ..initialize(
+          inputPathString: defaultL10nPathString,
+          outputPathString: defaultL10nPathString,
+          templateArbFileName: defaultTemplateArbFileName,
+          outputFileString: defaultOutputFileString,
+          classNameString: defaultClassNameString,
+          useSyntheticPackage: false,
+          untranslatedMessagesFile: fs.path.join('lib', 'l10n', 'unimplemented_message_translations.json'),
+        )
+        ..loadResources()
+        ..writeOutputFiles(BufferLogger.test());
     } on L10nException catch (e) {
       fail('Generating output should not fail: \n${e.message}');
     }
@@ -506,6 +547,100 @@ void main() {
     expect(unimplementedOutputString, contains('subtitle'));
   });
 
+  test(
+    'untranslated messages suggestion is printed when translation is missing',
+    () {
+      final BufferLogger testLogger = BufferLogger.test();
+      fs.currentDirectory.childDirectory('lib').childDirectory('l10n')
+        ..createSync(recursive: true)
+        ..childFile(defaultTemplateArbFileName).writeAsStringSync(twoMessageArbFileString)
+        ..childFile(esArbFileName).writeAsStringSync(singleEsMessageArbFileString);
+
+      LocalizationsGenerator generator;
+      try {
+        generator = LocalizationsGenerator(fs);
+        generator
+          ..initialize(
+            inputPathString: defaultL10nPathString,
+            outputPathString: defaultL10nPathString,
+            templateArbFileName: defaultTemplateArbFileName,
+            outputFileString: defaultOutputFileString,
+            classNameString: defaultClassNameString,
+          )
+          ..loadResources()
+          ..writeOutputFiles(testLogger);
+      } on L10nException catch (e) {
+        fail('Generating output should not fail: \n${e.message}');
+      }
+
+      expect(testLogger.statusText, contains('To see a detailed report, use the --untranslated-messages-file'));
+    },
+  );
+
+  test(
+    'unimplemented messages suggestion is not printed when all messages '
+    'are fully translated',
+    () {
+      final BufferLogger testLogger = BufferLogger.test();
+      fs.currentDirectory.childDirectory('lib').childDirectory('l10n')
+        ..createSync(recursive: true)
+        ..childFile(defaultTemplateArbFileName).writeAsStringSync(twoMessageArbFileString)
+        ..childFile(esArbFileName).writeAsStringSync(twoMessageArbFileString);
+
+      LocalizationsGenerator generator;
+      try {
+        generator = LocalizationsGenerator(fs);
+        generator
+          ..initialize(
+            inputPathString: defaultL10nPathString,
+            outputPathString: defaultL10nPathString,
+            templateArbFileName: defaultTemplateArbFileName,
+            outputFileString: defaultOutputFileString,
+            classNameString: defaultClassNameString,
+          )
+          ..loadResources()
+          ..writeOutputFiles(testLogger);
+      } on L10nException catch (e) {
+        fail('Generating output should not fail: \n${e.message}');
+      }
+
+      expect(testLogger.statusText, '');
+    },
+  );
+
+  test('untranslated messages file included in generated JSON list of outputs', () {
+    _standardFlutterDirectoryL10nSetup(fs);
+
+    LocalizationsGenerator generator;
+    try {
+      generator = LocalizationsGenerator(fs);
+      generator
+        ..initialize(
+          inputPathString: defaultL10nPathString,
+          templateArbFileName: defaultTemplateArbFileName,
+          outputFileString: defaultOutputFileString,
+          classNameString: defaultClassNameString,
+          inputsAndOutputsListPath: syntheticL10nPackagePath,
+          untranslatedMessagesFile: fs.path.join('lib', 'l10n', 'unimplemented_message_translations.json'),
+        )
+        ..loadResources()
+        ..writeOutputFiles(BufferLogger.test());
+    } on L10nException catch (e) {
+      fail('Generating output should not fail: \n${e.message}');
+    }
+
+    final File inputsAndOutputsList = fs.file(
+      fs.path.join(syntheticL10nPackagePath, 'gen_l10n_inputs_and_outputs.json'),
+    );
+    expect(inputsAndOutputsList.existsSync(), isTrue);
+    final Map<String, dynamic> jsonResult = json.decode(
+      inputsAndOutputsList.readAsStringSync(),
+    ) as Map<String, dynamic>;
+    expect(jsonResult.containsKey('outputs'), isTrue);
+    final List<dynamic> outputList = jsonResult['outputs'] as List<dynamic>;
+    expect(outputList, contains(contains('unimplemented_message_translations.json')));
+  });
+
   test(
     'uses inputPathString as outputPathString when the outputPathString is '
     'null while not using the synthetic package option',
@@ -524,7 +659,7 @@ void main() {
             useSyntheticPackage: false,
           )
           ..loadResources()
-          ..writeOutputFiles();
+          ..writeOutputFiles(BufferLogger.test());
       } on L10nException catch (e) {
         fail('Generating output should not fail: \n${e.message}');
       }
@@ -567,7 +702,7 @@ void main() {
             useSyntheticPackage: false,
           )
           ..loadResources()
-          ..writeOutputFiles();
+          ..writeOutputFiles(BufferLogger.test());
       } on L10nException catch (e) {
         fail('Generating output should not fail: \n${e.message}');
       }
@@ -599,7 +734,7 @@ void main() {
             useSyntheticPackage: false,
           )
           ..loadResources()
-          ..writeOutputFiles();
+          ..writeOutputFiles(BufferLogger.test());
       } on L10nException catch (e) {
         fail('Generating output should not fail: \n${e.message}');
       }
@@ -627,7 +762,7 @@ void main() {
           inputsAndOutputsListPath: syntheticL10nPackagePath,
         )
         ..loadResources()
-        ..writeOutputFiles();
+        ..writeOutputFiles(BufferLogger.test());
     } on L10nException catch (e) {
       fail('Generating output should not fail: \n${e.message}');
     }
@@ -1074,6 +1209,7 @@ void main() {
     test('message without placeholders - should generate code comment with description and template message translation', () {
       _standardFlutterDirectoryL10nSetup(fs);
       final LocalizationsGenerator generator = LocalizationsGenerator(fs);
+      final BufferLogger testLogger = BufferLogger.test();
       try {
         generator.initialize(
           inputPathString: defaultL10nPathString,
@@ -1083,7 +1219,7 @@ void main() {
           classNameString: defaultClassNameString,
         );
         generator.loadResources();
-        generator.writeOutputFiles();
+        generator.writeOutputFiles(testLogger);
       } on Exception catch (e) {
         fail('Generating output files should not fail: $e');
       }
@@ -1116,9 +1252,9 @@ void main() {
       l10nDirectory.childFile(esArbFileName)
         .writeAsStringSync(singleEsMessageArbFileString);
 
-
-
       final LocalizationsGenerator generator = LocalizationsGenerator(fs);
+      final BufferLogger testLogger = BufferLogger.test();
+
       try {
         generator.initialize(
           inputPathString: defaultL10nPathString,
@@ -1128,7 +1264,7 @@ void main() {
           classNameString: defaultClassNameString,
         );
         generator.loadResources();
-        generator.writeOutputFiles();
+        generator.writeOutputFiles(testLogger);
       } on Exception catch (e) {
         fail('Generating output files should not fail: $e');
       }
@@ -1171,6 +1307,7 @@ void main() {
 }''');
 
       final LocalizationsGenerator generator = LocalizationsGenerator(fs);
+      final BufferLogger testLogger = BufferLogger.test();
       try {
         generator.initialize(
           inputPathString: defaultL10nPathString,
@@ -1180,7 +1317,7 @@ void main() {
           classNameString: defaultClassNameString,
         );
         generator.loadResources();
-        generator.writeOutputFiles();
+        generator.writeOutputFiles(testLogger);
       } on Exception catch (e) {
         final L10nException exception = e as L10nException;
         print(exception.message);
@@ -1220,7 +1357,7 @@ void main() {
           classNameString: defaultClassNameString,
         );
         generator.loadResources();
-        generator.writeOutputFiles();
+        generator.writeOutputFiles(BufferLogger.test());
       } on Exception catch (e) {
         fail('Generating output files should not fail: $e');
       }
@@ -1253,7 +1390,7 @@ void main() {
           preferredSupportedLocale: preferredSupportedLocale,
         );
         generator.loadResources();
-        generator.writeOutputFiles();
+        generator.writeOutputFiles(BufferLogger.test());
       } on Exception catch (e) {
         fail('Generating output files should not fail: $e');
       }
@@ -1283,7 +1420,7 @@ import 'output-localization-file_zh.dart';
           useDeferredLoading: true,
         );
         generator.loadResources();
-        generator.writeOutputFiles();
+        generator.writeOutputFiles(BufferLogger.test());
       } on Exception catch (e) {
         fail('Generating output files should not fail: $e');
       }
@@ -1328,7 +1465,7 @@ import 'output-localization-file_en.dart' deferred as output-localization-file_e
             classNameString: defaultClassNameString,
           );
           generator.loadResources();
-          generator.writeOutputFiles();
+          generator.writeOutputFiles(BufferLogger.test());
         } on L10nException catch (e) {
           expect(e.message, contains('asdf'));
           expect(e.message, contains('springStartDate'));
@@ -1367,7 +1504,7 @@ import 'output-localization-file_en.dart' deferred as output-localization-file_e
             classNameString: defaultClassNameString,
           );
           generator.loadResources();
-          generator.writeOutputFiles();
+          generator.writeOutputFiles(BufferLogger.test());
         } on L10nException catch (e) {
           expect(e.message, contains('the "format" attribute needs to be set'));
           return;
@@ -1405,7 +1542,7 @@ import 'output-localization-file_en.dart' deferred as output-localization-file_e
             classNameString: defaultClassNameString,
           );
           generator.loadResources();
-          generator.writeOutputFiles();
+          generator.writeOutputFiles(BufferLogger.test());
         } on L10nException catch (e) {
           expect(e.message, contains('asdf'));
           expect(e.message, contains('progress'));
@@ -1442,7 +1579,7 @@ import 'output-localization-file_en.dart' deferred as output-localization-file_e
             classNameString: defaultClassNameString,
           );
           generator.loadResources();
-          generator.writeOutputFiles();
+          generator.writeOutputFiles(BufferLogger.test());
         } on L10nException catch (e) {
           expect(e.message, contains('Check to see if the plural message is in the proper ICU syntax format'));
           return;
@@ -1475,7 +1612,7 @@ import 'output-localization-file_en.dart' deferred as output-localization-file_e
             classNameString: defaultClassNameString,
           );
           generator.loadResources();
-          generator.writeOutputFiles();
+          generator.writeOutputFiles(BufferLogger.test());
         } on L10nException catch (e) {
           expect(e.message, contains('Check to see if the plural message is in the proper ICU syntax format'));
           return;
@@ -1504,7 +1641,7 @@ import 'output-localization-file_en.dart' deferred as output-localization-file_e
             classNameString: defaultClassNameString,
           );
           generator.loadResources();
-          generator.writeOutputFiles();
+          generator.writeOutputFiles(BufferLogger.test());
         } on L10nException catch (e) {
           expect(e.message, contains('Resource attribute "@helloWorlds" was not found'));
           return;
@@ -1536,7 +1673,7 @@ import 'output-localization-file_en.dart' deferred as output-localization-file_e
             classNameString: defaultClassNameString,
           );
           generator.loadResources();
-          generator.writeOutputFiles();
+          generator.writeOutputFiles(BufferLogger.test());
         } on L10nException catch (e) {
           expect(e.message, contains('is not properly formatted'));
           expect(e.message, contains('Ensure that it is a map with string valued keys'));
@@ -1572,7 +1709,7 @@ import 'output-localization-file_en.dart' deferred as output-localization-file_e
             classNameString: defaultClassNameString,
           );
           generator.loadResources();
-          generator.writeOutputFiles();
+          generator.writeOutputFiles(BufferLogger.test());
         } on L10nException catch (e) {
           expect(e.message, contains('app_en.arb'));
           expect(e.message, contains('FormatException'));
@@ -1608,7 +1745,7 @@ import 'output-localization-file_en.dart' deferred as output-localization-file_e
           areResourceAttributesRequired: true,
         );
         generator.loadResources();
-        generator.writeOutputFiles();
+        generator.writeOutputFiles(BufferLogger.test());
       } on L10nException catch (e) {
         expect(e.message, contains('Resource attribute "@title" was not found'));
         return;
@@ -1644,7 +1781,7 @@ import 'output-localization-file_en.dart' deferred as output-localization-file_e
             classNameString: defaultClassNameString,
           );
           generator.loadResources();
-          generator.writeOutputFiles();
+          generator.writeOutputFiles(BufferLogger.test());
         } on L10nException catch (e) {
           expect(e.message, contains('Invalid ARB resource name'));
           return;
@@ -1676,7 +1813,7 @@ import 'output-localization-file_en.dart' deferred as output-localization-file_e
             classNameString: defaultClassNameString,
           );
           generator.loadResources();
-          generator.writeOutputFiles();
+          generator.writeOutputFiles(BufferLogger.test());
         } on L10nException catch (e) {
           expect(e.message, contains('Invalid ARB resource name'));
           return;
@@ -1707,7 +1844,7 @@ import 'output-localization-file_en.dart' deferred as output-localization-file_e
             classNameString: defaultClassNameString,
           );
           generator.loadResources();
-          generator.writeOutputFiles();
+          generator.writeOutputFiles(BufferLogger.test());
         } on L10nException catch (e) {
           expect(e.message, contains('Invalid ARB resource name'));
           return;
@@ -1731,7 +1868,7 @@ import 'output-localization-file_en.dart' deferred as output-localization-file_e
           classNameString: defaultClassNameString,
         )
         ..loadResources()
-        ..writeOutputFiles();
+        ..writeOutputFiles(BufferLogger.test());
     } on L10nException catch (e) {
       fail('Generating output should not fail: \n${e.message}');
     }
@@ -1767,7 +1904,7 @@ import 'output-localization-file_en.dart' deferred as output-localization-file_e
           classNameString: defaultClassNameString,
         )
         ..loadResources()
-        ..writeOutputFiles();
+        ..writeOutputFiles(BufferLogger.test());
     } on L10nException catch (e) {
       fail('Generating output should not fail: \n${e.message}');
     }

packages/flutter_tools/test/general.shard/resident_runner_test.dart

@@ -1444,7 +1444,7 @@ void main() {
     await residentRunner.runSourceGenerators();
 
     expect(testLogger.errorText, isEmpty);
-    expect(testLogger.statusText, contains('use the --untranslated-messages-file'));
+    expect(testLogger.statusText, isEmpty);
   }));
 
   testUsingContext('ResidentRunner can run source generation - generation fails', () => testbed.run(() async {