PrivateBin/tst/I18nTest.php

<?php

use PrivateBin\I18n;

class I18nTest extends PHPUnit_Framework_TestCase
{
    private $_translations = array();

    public function setUp()
    {
        /* Setup Routine */
        $this->_translations = json_decode(
            file_get_contents(PATH . 'i18n' . DIRECTORY_SEPARATOR . 'de.json'),
            true
        );
    }

    public function tearDown()
    {
        /* Tear Down Routine */
    }

    public function testTranslationFallback()
    {
        $_SERVER['HTTP_ACCEPT_LANGUAGE'] = 'foobar';
        $messageId                       = 'It does not matter if the message ID exists';
        I18n::loadTranslations();
        $this->assertEquals($messageId, I18n::_($messageId), 'fallback to en');
    }

    public function testCookieLanguageDeDetection()
    {
        $_COOKIE['lang'] = 'de';
        I18n::loadTranslations();
        $this->assertEquals($this->_translations['en'], I18n::_('en'), 'browser language de');
        $this->assertEquals('0 Stunden', I18n::_('%d hours', 0), '0 hours in German');
        $this->assertEquals('1 Stunde',  I18n::_('%d hours', 1), '1 hour in German');
        $this->assertEquals('2 Stunden', I18n::_('%d hours', 2), '2 hours in German');
    }

    public function testBrowserLanguageDeDetection()
    {
        $_SERVER['HTTP_ACCEPT_LANGUAGE'] = 'de-CH,de;q=0.8,en-GB;q=0.6,en-US;q=0.4,en;q=0.2';
        I18n::loadTranslations();
        $this->assertEquals($this->_translations['en'], I18n::_('en'), 'browser language de');
        $this->assertEquals('0 Stunden', I18n::_('%d hours', 0), '0 hours in German');
        $this->assertEquals('1 Stunde',  I18n::_('%d hours', 1), '1 hour in German');
        $this->assertEquals('2 Stunden', I18n::_('%d hours', 2), '2 hours in German');
    }

    public function testBrowserLanguageFrDetection()
    {
        $_SERVER['HTTP_ACCEPT_LANGUAGE'] = 'fr-CH,fr;q=0.8,en-GB;q=0.6,en-US;q=0.4,en;q=0.2';
        I18n::loadTranslations();
        $this->assertEquals('fr', I18n::_('en'), 'browser language fr');
        $this->assertEquals('0 heure',  I18n::_('%d hours', 0), '0 hours in French');
        $this->assertEquals('1 heure',  I18n::_('%d hours', 1), '1 hour in French');
        $this->assertEquals('2 heures', I18n::_('%d hours', 2), '2 hours in French');
    }

    public function testBrowserLanguageNoDetection()
    {
        $_SERVER['HTTP_ACCEPT_LANGUAGE'] = 'no;q=0.8,en-GB;q=0.6,en-US;q=0.4,en;q=0.2';
        I18n::loadTranslations();
        $this->assertEquals('no', I18n::_('en'), 'browser language no');
        $this->assertEquals('0 timer',  I18n::_('%d hours', 0), '0 hours in Norwegian');
        $this->assertEquals('1 time',  I18n::_('%d hours', 1), '1 hour in Norwegian');
        $this->assertEquals('2 timer', I18n::_('%d hours', 2), '2 hours in Norwegian');
    }

    public function testBrowserLanguageOcDetection()
    {
        $_SERVER['HTTP_ACCEPT_LANGUAGE'] = 'oc;q=0.8,en-GB;q=0.6,en-US;q=0.4,en;q=0.2';
        I18n::loadTranslations();
        $this->assertEquals('oc', I18n::_('en'), 'browser language oc');
        $this->assertEquals('0 ora',  I18n::_('%d hours', 0), '0 hours in Occitan');
        $this->assertEquals('1 ora',  I18n::_('%d hours', 1), '1 hour in Occitan');
        $this->assertEquals('2 oras', I18n::_('%d hours', 2), '2 hours in Occitan');
    }

    public function testBrowserLanguageZhDetection()
    {
        $_SERVER['HTTP_ACCEPT_LANGUAGE'] = 'zh;q=0.8,en-GB;q=0.6,en-US;q=0.4,en;q=0.2';
        I18n::loadTranslations();
        $this->assertEquals('zh', I18n::_('en'), 'browser language zh');
        $this->assertEquals('0 小时',  I18n::_('%d hours', 0), '0 hours in Chinese');
        $this->assertEquals('1 小时',  I18n::_('%d hours', 1), '1 hour in Chinese');
        $this->assertEquals('2 小时', I18n::_('%d hours', 2), '2 hours in Chinese');
    }

    public function testBrowserLanguagePlDetection()
    {
        $_SERVER['HTTP_ACCEPT_LANGUAGE'] = 'pl;q=0.8,en-GB;q=0.6,en-US;q=0.4,en;q=0.2';
        I18n::loadTranslations();
        $this->assertEquals('pl', I18n::_('en'), 'browser language pl');
        $this->assertEquals('1 godzina', I18n::_('%d hours', 1), '1 hour in Polish');
        $this->assertEquals('2 godzina', I18n::_('%d hours', 2), '2 hours in Polish');
        $this->assertEquals('12 godzinę', I18n::_('%d hours', 12), '12 hours in Polish');
        $this->assertEquals('22 godzina', I18n::_('%d hours', 22), '22 hours in Polish');
        $this->assertEquals('1 minut',  I18n::_('%d minutes', 1), '1 minute in Polish');
        $this->assertEquals('3 minut',  I18n::_('%d minutes', 3), '3 minutes in Polish');
        $this->assertEquals('13 minut',  I18n::_('%d minutes', 13), '13 minutes in Polish');
        $this->assertEquals('23 minut',  I18n::_('%d minutes', 23), '23 minutes in Polish');
    }

    public function testBrowserLanguageRuDetection()
    {
        $_SERVER['HTTP_ACCEPT_LANGUAGE'] = 'ru;q=0.8,en-GB;q=0.6,en-US;q=0.4,en;q=0.2';
        I18n::loadTranslations();
        $this->assertEquals('ru', I18n::_('en'), 'browser language ru');
        $this->assertEquals('1 минуту',  I18n::_('%d minutes', 1), '1 minute in Russian');
        $this->assertEquals('3 минуты',  I18n::_('%d minutes', 3), '3 minutes in Russian');
        $this->assertEquals('10 минут',  I18n::_('%d minutes', 10), '10 minutes in Russian');
        $this->assertEquals('21 минуту',  I18n::_('%d minutes', 21), '21 minutes in Russian');
    }

    public function testBrowserLanguageSlDetection()
    {
        $_SERVER['HTTP_ACCEPT_LANGUAGE'] = 'sl;q=0.8,en-GB;q=0.6,en-US;q=0.4,en;q=0.2';
        I18n::loadTranslations();
        $this->assertEquals('sl', I18n::_('en'), 'browser language sl');
        $this->assertEquals('0 ura',  I18n::_('%d hours', 0), '0 hours in Slowene');
        $this->assertEquals('1 uri',  I18n::_('%d hours', 1), '1 hour in Slowene');
        $this->assertEquals('2 ure', I18n::_('%d hours', 2), '2 hours in Slowene');
        $this->assertEquals('3 ur',  I18n::_('%d hours', 3), '3 hours in Slowene');
        $this->assertEquals('11 ura',  I18n::_('%d hours', 11), '11 hours in Slowene');
        $this->assertEquals('101 uri',  I18n::_('%d hours', 101), '101 hours in Slowene');
        $this->assertEquals('102 ure', I18n::_('%d hours', 102), '102 hours in Slowene');
        $this->assertEquals('104 ur',  I18n::_('%d hours', 104), '104 hours in Slowene');
    }

    public function testBrowserLanguageAnyDetection()
    {
        $_SERVER['HTTP_ACCEPT_LANGUAGE'] = '*';
        I18n::loadTranslations();
        $this->assertTrue(strlen(I18n::_('en')) == 2, 'browser language any');
    }

    public function testVariableInjection()
    {
        $_SERVER['HTTP_ACCEPT_LANGUAGE'] = 'foobar';
        I18n::loadTranslations();
        $this->assertEquals('some string + 1', I18n::_('some %s + %d', 'string', 1), 'browser language en');
    }

    public function testMessageIdsExistInAllLanguages()
    {
        $messageIds = array();
        $languages = array();
        $dir = dir(PATH . 'i18n');
        while (false !== ($file = $dir->read())) {
            if (strlen($file) === 7) {
                $language = substr($file, 0, 2);
                $translations = json_decode(file_get_contents(PATH . 'i18n' . DIRECTORY_SEPARATOR . $file), true);
                $messageIds = array_unique($messageIds + array_keys($translations));
                $languages[$language] = $translations;
            }
        }
        foreach ($messageIds as $messageId) {
            foreach (array_keys($languages) as $language) {
                $this->assertArrayHasKey($messageId, $languages[$language], "message ID '$messageId' exists in translation file $language.json");
            }
        }
    }
}