385 lines
16 KiB
PHP
385 lines
16 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Contracts\Translation\Test;
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use PHPUnit\Framework\TestCase;
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use Symfony\Contracts\Translation\TranslatorInterface;
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use Symfony\Contracts\Translation\TranslatorTrait;
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/**
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* Test should cover all languages mentioned on http://translate.sourceforge.net/wiki/l10n/pluralforms
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* and Plural forms mentioned on http://www.gnu.org/software/gettext/manual/gettext.html#Plural-forms.
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*
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* See also https://developer.mozilla.org/en/Localization_and_Plurals which mentions 15 rules having a maximum of 6 forms.
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* The mozilla code is also interesting to check for.
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*
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* As mentioned by chx http://drupal.org/node/1273968 we can cover all by testing number from 0 to 199
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*
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* The goal to cover all languages is to far fetched so this test case is smaller.
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*
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* @author Clemens Tolboom clemens@build2be.nl
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*/
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class TranslatorTest extends TestCase
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{
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private $defaultLocale;
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protected function setUp(): void
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{
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$this->defaultLocale = \Locale::getDefault();
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\Locale::setDefault('en');
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}
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protected function tearDown(): void
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{
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\Locale::setDefault($this->defaultLocale);
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}
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public function getTranslator(): TranslatorInterface
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{
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return new class() implements TranslatorInterface {
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use TranslatorTrait;
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};
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}
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/**
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* @dataProvider getTransTests
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*/
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public function testTrans($expected, $id, $parameters)
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{
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$translator = $this->getTranslator();
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$this->assertEquals($expected, $translator->trans($id, $parameters));
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}
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/**
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* @dataProvider getTransChoiceTests
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*/
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public function testTransChoiceWithExplicitLocale($expected, $id, $number)
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{
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$translator = $this->getTranslator();
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$this->assertEquals($expected, $translator->trans($id, ['%count%' => $number]));
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}
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/**
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* @requires extension intl
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*
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* @dataProvider getTransChoiceTests
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*/
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public function testTransChoiceWithDefaultLocale($expected, $id, $number)
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{
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$translator = $this->getTranslator();
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$this->assertEquals($expected, $translator->trans($id, ['%count%' => $number]));
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}
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/**
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* @dataProvider getTransChoiceTests
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*/
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public function testTransChoiceWithEnUsPosix($expected, $id, $number)
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{
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$translator = $this->getTranslator();
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$translator->setLocale('en_US_POSIX');
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$this->assertEquals($expected, $translator->trans($id, ['%count%' => $number]));
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}
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public function testGetSetLocale()
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{
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$translator = $this->getTranslator();
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$this->assertEquals('en', $translator->getLocale());
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}
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/**
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* @requires extension intl
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*/
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public function testGetLocaleReturnsDefaultLocaleIfNotSet()
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{
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$translator = $this->getTranslator();
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\Locale::setDefault('pt_BR');
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$this->assertEquals('pt_BR', $translator->getLocale());
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\Locale::setDefault('en');
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$this->assertEquals('en', $translator->getLocale());
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}
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public static function getTransTests()
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{
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return [
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['Symfony is great!', 'Symfony is great!', []],
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['Symfony is awesome!', 'Symfony is %what%!', ['%what%' => 'awesome']],
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];
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}
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public static function getTransChoiceTests()
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{
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return [
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['There are no apples', '{0} There are no apples|{1} There is one apple|]1,Inf] There are %count% apples', 0],
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['There is one apple', '{0} There are no apples|{1} There is one apple|]1,Inf] There are %count% apples', 1],
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['There are 10 apples', '{0} There are no apples|{1} There is one apple|]1,Inf] There are %count% apples', 10],
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['There are 0 apples', 'There is 1 apple|There are %count% apples', 0],
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['There is 1 apple', 'There is 1 apple|There are %count% apples', 1],
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['There are 10 apples', 'There is 1 apple|There are %count% apples', 10],
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// custom validation messages may be coded with a fixed value
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['There are 2 apples', 'There are 2 apples', 2],
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];
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}
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/**
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* @dataProvider getInterval
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*/
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public function testInterval($expected, $number, $interval)
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{
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$translator = $this->getTranslator();
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$this->assertEquals($expected, $translator->trans($interval.' foo|[1,Inf[ bar', ['%count%' => $number]));
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}
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public static function getInterval()
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{
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return [
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['foo', 3, '{1,2, 3 ,4}'],
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['bar', 10, '{1,2, 3 ,4}'],
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['bar', 3, '[1,2]'],
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['foo', 1, '[1,2]'],
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['foo', 2, '[1,2]'],
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['bar', 1, ']1,2['],
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['bar', 2, ']1,2['],
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['foo', log(0), '[-Inf,2['],
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['foo', -log(0), '[-2,+Inf]'],
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];
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}
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/**
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* @dataProvider getChooseTests
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*/
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public function testChoose($expected, $id, $number, $locale = null)
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{
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$translator = $this->getTranslator();
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$this->assertEquals($expected, $translator->trans($id, ['%count%' => $number], null, $locale));
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}
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public function testReturnMessageIfExactlyOneStandardRuleIsGiven()
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{
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$translator = $this->getTranslator();
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$this->assertEquals('There are two apples', $translator->trans('There are two apples', ['%count%' => 2]));
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}
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/**
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* @dataProvider getNonMatchingMessages
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*/
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public function testThrowExceptionIfMatchingMessageCannotBeFound($id, $number)
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{
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$this->expectException(\InvalidArgumentException::class);
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$translator = $this->getTranslator();
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$translator->trans($id, ['%count%' => $number]);
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}
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public static function getNonMatchingMessages()
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{
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return [
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['{0} There are no apples|{1} There is one apple', 2],
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['{1} There is one apple|]1,Inf] There are %count% apples', 0],
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['{1} There is one apple|]2,Inf] There are %count% apples', 2],
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['{0} There are no apples|There is one apple', 2],
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];
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}
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public static function getChooseTests()
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{
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return [
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['There are no apples', '{0} There are no apples|{1} There is one apple|]1,Inf] There are %count% apples', 0],
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['There are no apples', '{0} There are no apples|{1} There is one apple|]1,Inf] There are %count% apples', 0],
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['There are no apples', '{0}There are no apples|{1} There is one apple|]1,Inf] There are %count% apples', 0],
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['There is one apple', '{0} There are no apples|{1} There is one apple|]1,Inf] There are %count% apples', 1],
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['There are 10 apples', '{0} There are no apples|{1} There is one apple|]1,Inf] There are %count% apples', 10],
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['There are 10 apples', '{0} There are no apples|{1} There is one apple|]1,Inf]There are %count% apples', 10],
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['There are 10 apples', '{0} There are no apples|{1} There is one apple|]1,Inf] There are %count% apples', 10],
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['There are 0 apples', 'There is one apple|There are %count% apples', 0],
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['There is one apple', 'There is one apple|There are %count% apples', 1],
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['There are 10 apples', 'There is one apple|There are %count% apples', 10],
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['There are 0 apples', 'one: There is one apple|more: There are %count% apples', 0],
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['There is one apple', 'one: There is one apple|more: There are %count% apples', 1],
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['There are 10 apples', 'one: There is one apple|more: There are %count% apples', 10],
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['There are no apples', '{0} There are no apples|one: There is one apple|more: There are %count% apples', 0],
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['There is one apple', '{0} There are no apples|one: There is one apple|more: There are %count% apples', 1],
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['There are 10 apples', '{0} There are no apples|one: There is one apple|more: There are %count% apples', 10],
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['', '{0}|{1} There is one apple|]1,Inf] There are %count% apples', 0],
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['', '{0} There are no apples|{1}|]1,Inf] There are %count% apples', 1],
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// Indexed only tests which are Gettext PoFile* compatible strings.
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['There are 0 apples', 'There is one apple|There are %count% apples', 0],
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['There is one apple', 'There is one apple|There are %count% apples', 1],
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['There are 2 apples', 'There is one apple|There are %count% apples', 2],
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// Tests for float numbers
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['There is almost one apple', '{0} There are no apples|]0,1[ There is almost one apple|{1} There is one apple|[1,Inf] There is more than one apple', 0.7],
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['There is one apple', '{0} There are no apples|]0,1[There are %count% apples|{1} There is one apple|[1,Inf] There is more than one apple', 1],
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['There is more than one apple', '{0} There are no apples|]0,1[There are %count% apples|{1} There is one apple|[1,Inf] There is more than one apple', 1.7],
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['There are no apples', '{0} There are no apples|]0,1[There are %count% apples|{1} There is one apple|[1,Inf] There is more than one apple', 0],
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['There are no apples', '{0} There are no apples|]0,1[There are %count% apples|{1} There is one apple|[1,Inf] There is more than one apple', 0.0],
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['There are no apples', '{0.0} There are no apples|]0,1[There are %count% apples|{1} There is one apple|[1,Inf] There is more than one apple', 0],
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// Test texts with new-lines
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// with double-quotes and \n in id & double-quotes and actual newlines in text
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["This is a text with a\n new-line in it. Selector = 0.", '{0}This is a text with a
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new-line in it. Selector = 0.|{1}This is a text with a
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new-line in it. Selector = 1.|[1,Inf]This is a text with a
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new-line in it. Selector > 1.', 0],
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// with double-quotes and \n in id and single-quotes and actual newlines in text
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["This is a text with a\n new-line in it. Selector = 1.", '{0}This is a text with a
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new-line in it. Selector = 0.|{1}This is a text with a
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new-line in it. Selector = 1.|[1,Inf]This is a text with a
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new-line in it. Selector > 1.', 1],
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["This is a text with a\n new-line in it. Selector > 1.", '{0}This is a text with a
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new-line in it. Selector = 0.|{1}This is a text with a
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new-line in it. Selector = 1.|[1,Inf]This is a text with a
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new-line in it. Selector > 1.', 5],
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// with double-quotes and id split accros lines
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['This is a text with a
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new-line in it. Selector = 1.', '{0}This is a text with a
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new-line in it. Selector = 0.|{1}This is a text with a
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new-line in it. Selector = 1.|[1,Inf]This is a text with a
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new-line in it. Selector > 1.', 1],
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// with single-quotes and id split accros lines
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['This is a text with a
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new-line in it. Selector > 1.', '{0}This is a text with a
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new-line in it. Selector = 0.|{1}This is a text with a
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new-line in it. Selector = 1.|[1,Inf]This is a text with a
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new-line in it. Selector > 1.', 5],
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// with single-quotes and \n in text
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['This is a text with a\nnew-line in it. Selector = 0.', '{0}This is a text with a\nnew-line in it. Selector = 0.|{1}This is a text with a\nnew-line in it. Selector = 1.|[1,Inf]This is a text with a\nnew-line in it. Selector > 1.', 0],
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// with double-quotes and id split accros lines
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["This is a text with a\nnew-line in it. Selector = 1.", "{0}This is a text with a\nnew-line in it. Selector = 0.|{1}This is a text with a\nnew-line in it. Selector = 1.|[1,Inf]This is a text with a\nnew-line in it. Selector > 1.", 1],
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// escape pipe
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['This is a text with | in it. Selector = 0.', '{0}This is a text with || in it. Selector = 0.|{1}This is a text with || in it. Selector = 1.', 0],
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// Empty plural set (2 plural forms) from a .PO file
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['', '|', 1],
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// Empty plural set (3 plural forms) from a .PO file
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['', '||', 1],
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// Floating values
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['1.5 liters', '%count% liter|%count% liters', 1.5],
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['1.5 litre', '%count% litre|%count% litres', 1.5, 'fr'],
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// Negative values
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['-1 degree', '%count% degree|%count% degrees', -1],
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['-1 degré', '%count% degré|%count% degrés', -1],
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['-1.5 degrees', '%count% degree|%count% degrees', -1.5],
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['-1.5 degré', '%count% degré|%count% degrés', -1.5, 'fr'],
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['-2 degrees', '%count% degree|%count% degrees', -2],
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['-2 degrés', '%count% degré|%count% degrés', -2],
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];
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}
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/**
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* @dataProvider failingLangcodes
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*/
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public function testFailedLangcodes($nplural, $langCodes)
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{
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$matrix = $this->generateTestData($langCodes);
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$this->validateMatrix($nplural, $matrix, false);
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}
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/**
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* @dataProvider successLangcodes
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*/
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public function testLangcodes($nplural, $langCodes)
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{
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$matrix = $this->generateTestData($langCodes);
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$this->validateMatrix($nplural, $matrix);
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}
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/**
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* This array should contain all currently known langcodes.
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*
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* As it is impossible to have this ever complete we should try as hard as possible to have it almost complete.
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*/
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public static function successLangcodes(): array
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{
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return [
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['1', ['ay', 'bo', 'cgg', 'dz', 'id', 'ja', 'jbo', 'ka', 'kk', 'km', 'ko', 'ky']],
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['2', ['nl', 'fr', 'en', 'de', 'de_GE', 'hy', 'hy_AM', 'en_US_POSIX']],
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['3', ['be', 'bs', 'cs', 'hr']],
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['4', ['cy', 'mt', 'sl']],
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['6', ['ar']],
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];
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}
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/**
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* This array should be at least empty within the near future.
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*
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* This both depends on a complete list trying to add above as understanding
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* the plural rules of the current failing languages.
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*
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* @return array with nplural together with langcodes
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*/
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public static function failingLangcodes(): array
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{
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return [
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['1', ['fa']],
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['2', ['jbo']],
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['3', ['cbs']],
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['4', ['gd', 'kw']],
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['5', ['ga']],
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];
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}
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/**
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* We validate only on the plural coverage. Thus the real rules is not tested.
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*
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* @param string $nplural Plural expected
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* @param array $matrix Containing langcodes and their plural index values
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*/
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protected function validateMatrix(string $nplural, array $matrix, bool $expectSuccess = true)
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{
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foreach ($matrix as $langCode => $data) {
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$indexes = array_flip($data);
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if ($expectSuccess) {
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$this->assertCount($nplural, $indexes, "Langcode '$langCode' has '$nplural' plural forms.");
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} else {
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$this->assertNotEquals((int) $nplural, \count($indexes), "Langcode '$langCode' has '$nplural' plural forms.");
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}
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}
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}
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protected function generateTestData($langCodes)
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{
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$translator = new class() {
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use TranslatorTrait {
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getPluralizationRule as public;
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}
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};
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$matrix = [];
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foreach ($langCodes as $langCode) {
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for ($count = 0; $count < 200; ++$count) {
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$plural = $translator->getPluralizationRule($count, $langCode);
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$matrix[$langCode][$count] = $plural;
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}
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}
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return $matrix;
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}
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}
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