flutter/packages/flutter_localizations/test/translations_test.dart
Ian Hickson 75960f35d4
Cleanup in localizations code (#20018)
The following changes are made by this PR:

 * Translation bundles now implement MaterialLocalizations directly,
   and are public so that they can be directly extended.

 * The list of supported languages is now a generated constant.

 * The icuShortTimePattern/TimeOfDayFormat values are now pre-parsed.

 * Various other changes for consistency with the style guide and the
   rest of the codebase, e.g. the class names don't use `_`, the
   `path` library is imported as such, more dartdocs, fewer `//
   ignore`s, validation using exceptions.

This reduces our technical debt benchmark.
2018-08-03 16:41:21 -07:00

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// Copyright 2017 The Chromium 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 'package:flutter/material.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:flutter_test/flutter_test.dart';
void main() {
for (String language in kSupportedLanguages) {
testWidgets('translations exist for $language', (WidgetTester tester) async {
final Locale locale = new Locale(language, '');
expect(GlobalMaterialLocalizations.delegate.isSupported(locale), isTrue);
final MaterialLocalizations localizations = await GlobalMaterialLocalizations.delegate.load(locale);
expect(localizations.openAppDrawerTooltip, isNotNull);
expect(localizations.backButtonTooltip, isNotNull);
expect(localizations.closeButtonTooltip, isNotNull);
expect(localizations.nextMonthTooltip, isNotNull);
expect(localizations.previousMonthTooltip, isNotNull);
expect(localizations.nextPageTooltip, isNotNull);
expect(localizations.previousPageTooltip, isNotNull);
expect(localizations.showMenuTooltip, isNotNull);
expect(localizations.licensesPageTitle, isNotNull);
expect(localizations.rowsPerPageTitle, isNotNull);
expect(localizations.cancelButtonLabel, isNotNull);
expect(localizations.closeButtonLabel, isNotNull);
expect(localizations.continueButtonLabel, isNotNull);
expect(localizations.copyButtonLabel, isNotNull);
expect(localizations.cutButtonLabel, isNotNull);
expect(localizations.okButtonLabel, isNotNull);
expect(localizations.pasteButtonLabel, isNotNull);
expect(localizations.selectAllButtonLabel, isNotNull);
expect(localizations.viewLicensesButtonLabel, isNotNull);
expect(localizations.drawerLabel, isNotNull);
expect(localizations.popupMenuLabel, isNotNull);
expect(localizations.dialogLabel, isNotNull);
expect(localizations.alertDialogLabel, isNotNull);
expect(localizations.aboutListTileTitle('FOO'), isNotNull);
expect(localizations.aboutListTileTitle('FOO'), contains('FOO'));
expect(localizations.selectedRowCountTitle(0), isNotNull);
expect(localizations.selectedRowCountTitle(1), isNotNull);
expect(localizations.selectedRowCountTitle(2), isNotNull);
expect(localizations.selectedRowCountTitle(100), isNotNull);
expect(localizations.selectedRowCountTitle(0), isNot(contains(r'$selectedRowCount')));
expect(localizations.selectedRowCountTitle(1), isNot(contains(r'$selectedRowCount')));
expect(localizations.selectedRowCountTitle(2), isNot(contains(r'$selectedRowCount')));
expect(localizations.selectedRowCountTitle(100), isNot(contains(r'$selectedRowCount')));
expect(localizations.pageRowsInfoTitle(1, 10, 100, true), isNotNull);
expect(localizations.pageRowsInfoTitle(1, 10, 100, false), isNotNull);
expect(localizations.pageRowsInfoTitle(1, 10, 100, true), isNot(contains(r'$firstRow')));
expect(localizations.pageRowsInfoTitle(1, 10, 100, true), isNot(contains(r'$lastRow')));
expect(localizations.pageRowsInfoTitle(1, 10, 100, true), isNot(contains(r'$rowCount')));
expect(localizations.pageRowsInfoTitle(1, 10, 100, false), isNot(contains(r'$firstRow')));
expect(localizations.pageRowsInfoTitle(1, 10, 100, false), isNot(contains(r'$lastRow')));
expect(localizations.pageRowsInfoTitle(1, 10, 100, false), isNot(contains(r'$rowCount')));
expect(localizations.tabLabel(tabIndex: 2, tabCount: 5), isNotNull);
expect(localizations.tabLabel(tabIndex: 2, tabCount: 5), isNot(contains(r'$tabIndex')));
expect(localizations.tabLabel(tabIndex: 2, tabCount: 5), isNot(contains(r'$tabCount')));
expect(() => localizations.tabLabel(tabIndex: 0, tabCount: 5), throwsAssertionError);
expect(() => localizations.tabLabel(tabIndex: 2, tabCount: 0), throwsAssertionError);
});
}
testWidgets('spot check selectedRowCount translations', (WidgetTester tester) async {
MaterialLocalizations localizations = await GlobalMaterialLocalizations.delegate.load(const Locale('en', ''));
expect(localizations.selectedRowCountTitle(0), 'No items selected');
expect(localizations.selectedRowCountTitle(1), '1 item selected');
expect(localizations.selectedRowCountTitle(2), '2 items selected');
expect(localizations.selectedRowCountTitle(3), '3 items selected');
expect(localizations.selectedRowCountTitle(5), '5 items selected');
expect(localizations.selectedRowCountTitle(10), '10 items selected');
expect(localizations.selectedRowCountTitle(15), '15 items selected');
expect(localizations.selectedRowCountTitle(29), '29 items selected');
expect(localizations.selectedRowCountTitle(10000), '10,000 items selected');
expect(localizations.selectedRowCountTitle(10019), '10,019 items selected');
expect(localizations.selectedRowCountTitle(123456789), '123,456,789 items selected');
localizations = await GlobalMaterialLocalizations.delegate.load(const Locale('es', ''));
expect(localizations.selectedRowCountTitle(0), 'No se han seleccionado elementos');
expect(localizations.selectedRowCountTitle(1), '1 elemento seleccionado');
expect(localizations.selectedRowCountTitle(2), '2 elementos seleccionados');
expect(localizations.selectedRowCountTitle(3), '3 elementos seleccionados');
expect(localizations.selectedRowCountTitle(5), '5 elementos seleccionados');
expect(localizations.selectedRowCountTitle(10), '10 elementos seleccionados');
expect(localizations.selectedRowCountTitle(15), '15 elementos seleccionados');
expect(localizations.selectedRowCountTitle(29), '29 elementos seleccionados');
expect(localizations.selectedRowCountTitle(10000), '10.000 elementos seleccionados');
expect(localizations.selectedRowCountTitle(10019), '10.019 elementos seleccionados');
expect(localizations.selectedRowCountTitle(123456789), '123.456.789 elementos seleccionados');
localizations = await GlobalMaterialLocalizations.delegate.load(const Locale('ro', ''));
expect(localizations.selectedRowCountTitle(0), 'Nu există elemente selectate');
expect(localizations.selectedRowCountTitle(1), 'Un articol selectat');
expect(localizations.selectedRowCountTitle(2), '2 articole selectate');
expect(localizations.selectedRowCountTitle(3), '3 articole selectate');
expect(localizations.selectedRowCountTitle(5), '5 articole selectate');
expect(localizations.selectedRowCountTitle(10), '10 articole selectate');
expect(localizations.selectedRowCountTitle(15), '15 articole selectate');
expect(localizations.selectedRowCountTitle(29), '29 de articole selectate');
expect(localizations.selectedRowCountTitle(10000), '10.000 de articole selectate');
expect(localizations.selectedRowCountTitle(10019), '10.019 articole selectate');
expect(localizations.selectedRowCountTitle(123456789), '123.456.789 de articole selectate');
});
}