generate_localizations_test.dart 5.13 KB
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// 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.

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// @dart = 2.8

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import 'package:file/memory.dart';
import 'package:flutter_tools/src/base/file_system.dart';
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import 'package:flutter_tools/src/base/logger.dart';
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import 'package:flutter_tools/src/commands/generate_localizations.dart';
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import 'package:flutter_tools/src/runner/flutter_command.dart';
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import '../../integration.shard/test_data/basic_project.dart';
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import '../../src/common.dart';
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import '../../src/context.dart';
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import '../../src/test_flutter_command_runner.dart';
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void main() {
  testUsingContext('default l10n settings', () async {
    final MemoryFileSystem fileSystem = MemoryFileSystem.test();
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    final BufferLogger logger = BufferLogger.test();
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    final File arbFile = fileSystem.file(fileSystem.path.join('lib', 'l10n', 'app_en.arb'))
      ..createSync(recursive: true);
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    arbFile.writeAsStringSync('''
{
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  "helloWorld": "Hello, World!",
  "@helloWorld": {
    "description": "Sample description"
  }
}''');
    final GenerateLocalizationsCommand command = GenerateLocalizationsCommand(
      fileSystem: fileSystem,
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      logger: logger,
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    );
    await createTestCommandRunner(command).run(<String>['gen-l10n']);

    final FlutterCommandResult result = await command.runCommand();
    expect(result.exitStatus, ExitStatus.success);
    final Directory outputDirectory = fileSystem.directory(fileSystem.path.join('.dart_tool', 'flutter_gen', 'gen_l10n'));
    expect(outputDirectory.existsSync(), true);
    expect(outputDirectory.childFile('app_localizations_en.dart').existsSync(), true);
    expect(outputDirectory.childFile('app_localizations.dart').existsSync(), true);
  });

  testUsingContext('not using synthetic packages', () async {
    final MemoryFileSystem fileSystem = MemoryFileSystem.test();
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    final BufferLogger logger = BufferLogger.test();
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    final Directory l10nDirectory = fileSystem.directory(
      fileSystem.path.join('lib', 'l10n'),
    );
    final File arbFile = l10nDirectory.childFile(
      'app_en.arb',
    )..createSync(recursive: true);

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    arbFile.writeAsStringSync('''
{
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  "helloWorld": "Hello, World!",
  "@helloWorld": {
    "description": "Sample description"
  }
}''');

    final GenerateLocalizationsCommand command = GenerateLocalizationsCommand(
      fileSystem: fileSystem,
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      logger: logger,
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    );
    await createTestCommandRunner(command).run(<String>[
      'gen-l10n',
      '--no-synthetic-package',
    ]);

    final FlutterCommandResult result = await command.runCommand();
    expect(result.exitStatus, ExitStatus.success);
    expect(l10nDirectory.existsSync(), true);
    expect(l10nDirectory.childFile('app_localizations_en.dart').existsSync(), true);
    expect(l10nDirectory.childFile('app_localizations.dart').existsSync(), true);
  });

  testUsingContext('throws error when arguments are invalid', () async {
    final MemoryFileSystem fileSystem = MemoryFileSystem.test();
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    final BufferLogger logger = BufferLogger.test();
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    final File arbFile = fileSystem.file(fileSystem.path.join('lib', 'l10n', 'app_en.arb'))
      ..createSync(recursive: true);
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    arbFile.writeAsStringSync('''
{
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  "helloWorld": "Hello, World!",
  "@helloWorld": {
    "description": "Sample description"
  }
}''');
    fileSystem.file('header.txt').writeAsStringSync('a header file');

    final GenerateLocalizationsCommand command = GenerateLocalizationsCommand(
      fileSystem: fileSystem,
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      logger: logger,
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    );
    expect(
      () => createTestCommandRunner(command).run(<String>[
        'gen-l10n',
        '--header="some header',
        '--header-file="header.txt"',
      ]),
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      throwsToolExit(),
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    );
  });
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  testUsingContext('l10n yaml file takes precedence over command line arguments', () async {
    final MemoryFileSystem fileSystem = MemoryFileSystem.test();
    final BufferLogger logger = BufferLogger.test();
    final File arbFile = fileSystem.file(fileSystem.path.join('lib', 'l10n', 'app_en.arb'))
      ..createSync(recursive: true);
    arbFile.writeAsStringSync('''
{
  "helloWorld": "Hello, World!",
  "@helloWorld": {
    "description": "Sample description"
  }
}''');
    fileSystem.file('l10n.yaml').createSync();
    final File pubspecFile = fileSystem.file('pubspec.yaml')..createSync();
    pubspecFile.writeAsStringSync(BasicProjectWithFlutterGen().pubspec);
    final GenerateLocalizationsCommand command = GenerateLocalizationsCommand(
      fileSystem: fileSystem,
      logger: logger,
    );
    await createTestCommandRunner(command).run(<String>['gen-l10n']);

    final FlutterCommandResult result = await command.runCommand();
    expect(result.exitStatus, ExitStatus.success);
    expect(logger.statusText, contains('Because l10n.yaml exists, the options defined there will be used instead.'));
    final Directory outputDirectory = fileSystem.directory(fileSystem.path.join('.dart_tool', 'flutter_gen', 'gen_l10n'));
    expect(outputDirectory.existsSync(), true);
    expect(outputDirectory.childFile('app_localizations_en.dart').existsSync(), true);
    expect(outputDirectory.childFile('app_localizations.dart').existsSync(), true);
  });
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}