mirror of
https://github.com/flutter/flutter
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108 lines
4.1 KiB
Dart
108 lines
4.1 KiB
Dart
// 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
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// found in the LICENSE file.
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import 'dart:async';
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import 'package:file/file.dart';
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import 'package:flutter_tools/src/base/file_system.dart';
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import 'package:flutter_tools/src/base/io.dart';
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import 'package:flutter_tools/src/globals.dart' as globals;
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import 'package:process/process.dart';
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import '../src/common.dart';
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import 'test_data/gen_l10n_project.dart';
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import 'test_driver.dart';
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import 'test_utils.dart';
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// Verify that the code generated by gen_l10n executes correctly.
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// It can fail if gen_l10n produces a lib/l10n/app_localizations.dart that:
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// - Does not analyze cleanly.
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// - Can't be processed by the intl_translation:generate_from_arb tool.
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// The generate_from_arb step can take close to a minute on a lightly
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// loaded workstation, so the test could time out on a heavily loaded bot.
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void main() {
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Directory tempDir;
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final GenL10nProject _project = GenL10nProject();
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FlutterRunTestDriver _flutter;
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setUp(() async {
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tempDir = createResolvedTempDirectorySync('gen_l10n_test.');
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await _project.setUpIn(tempDir);
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_flutter = FlutterRunTestDriver(tempDir);
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});
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tearDown(() async {
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await _flutter.stop();
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tryToDelete(tempDir);
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});
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void runCommand(List<String> command) {
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final ProcessResult result = const LocalProcessManager().runSync(
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command,
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workingDirectory: tempDir.path,
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environment: <String, String>{ 'FLUTTER_ROOT': getFlutterRoot() },
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);
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if (result.exitCode != 0) {
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throw Exception('FAILED [${result.exitCode}]: ${command.join(' ')}\n${result.stderr}\n${result.stdout}');
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}
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}
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test('generated l10n classes produce expected localized strings', () async {
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// Get the intl packages before running gen_l10n.
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final String flutterBin = globals.platform.isWindows ? 'flutter.bat' : 'flutter';
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final String flutterPath = globals.fs.path.join(getFlutterRoot(), 'bin', flutterBin);
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runCommand(<String>[flutterPath, 'pub', 'get']);
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// Generate lib/l10n/app_localizations.dart
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final String genL10nPath = globals.fs.path.join(getFlutterRoot(), 'dev', 'tools', 'localization', 'bin', 'gen_l10n.dart');
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final String dartBin = globals.platform.isWindows ? 'dart.exe' : 'dart';
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final String dartPath = globals.fs.path.join(getFlutterRoot(), 'bin', 'cache', 'dart-sdk', 'bin', dartBin);
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runCommand(<String>[dartPath, genL10nPath]);
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// Run the app defined in GenL10nProject.main and wait for it to
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// send '#l10n END' to its stdout.
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final Completer<void> l10nEnd = Completer<void>();
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final StringBuffer stdout = StringBuffer();
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final StreamSubscription<String> subscription = _flutter.stdout.listen((String line) {
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if (line.contains('#l10n')) {
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stdout.writeln(line.substring(line.indexOf('#l10n')));
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}
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if (line.contains('#l10n END')) {
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l10nEnd.complete();
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}
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});
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await _flutter.run();
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await l10nEnd.future;
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await subscription.cancel();
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expect(stdout.toString(),
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'#l10n 0 (CA Hello World)\n'
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'#l10n 1 (Hello CA fallback World)\n'
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'#l10n 2 (GB Hello World)\n'
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'#l10n 3 (Hello GB fallback World)\n'
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'#l10n 4 (Hello World)\n'
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'#l10n 5 (Hello World)\n'
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'#l10n 6 (Hello World)\n'
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'#l10n 7 (Hello World on Friday, January 1, 1960)\n'
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'#l10n 8 (Hello world argument on 1/1/1960 at 00:00)\n'
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'#l10n 9 (Hello World from 1960 to 2020)\n'
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'#l10n 10 (Hello for 123)\n'
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'#l10n 11 (Hello for price USD123.00)\n'
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'#l10n 12 (Hello)\n'
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'#l10n 13 (Hello World)\n'
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'#l10n 14 (Hello two worlds)\n'
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'#l10n 15 (Hello)\n'
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'#l10n 16 (Hello new World)\n'
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'#l10n 17 (Hello two new worlds)\n'
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'#l10n 18 (Hello on Friday, January 1, 1960)\n'
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'#l10n 19 (Hello World, on Friday, January 1, 1960)\n'
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'#l10n 20 (Hello two worlds, on Friday, January 1, 1960)\n'
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'#l10n 21 (Hello other 0 worlds, with a total of 100 citizens)\n'
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'#l10n 22 (Hello World of 101 citizens)\n'
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'#l10n 23 (Hello two worlds with 102 total citizens)\n'
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'#l10n 24 ([Hello] -World- #123#)\n'
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'#l10n END\n'
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);
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});
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}
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