LocalisationCacheTest.php

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<?php
class LocalisationCacheTest extends MediaWikiTestCase {
    protected function setUp() {
        parent::setUp();
        $this->setMwGlobals( [
            'wgExtensionMessagesFiles' => [],
            'wgHooks' => [],
        ] );
    }
 
    protected function getMockLocalisationCache() {
        global $IP;
        $lc = $this->getMockBuilder( 'LocalisationCache' )
            ->setConstructorArgs( [ [ 'store' => 'detect' ] ] )
            ->setMethods( [ 'getMessagesDirs' ] )
            ->getMock();
        $lc->expects( $this->any() )->method( 'getMessagesDirs' )
            ->will( $this->returnValue(
                [ "$IP/tests/phpunit/data/localisationcache" ]
            ) );
 
        return $lc;
    }
 
    public function testPuralRulesFallback() {
        $cache = $this->getMockLocalisationCache();
 
        $this->assertEquals(
            $cache->getItem( 'ar', 'pluralRules' ),
            $cache->getItem( 'arz', 'pluralRules' ),
            'arz plural rules (undefined) fallback to ar (defined)'
        );
 
        $this->assertEquals(
            $cache->getItem( 'ar', 'compiledPluralRules' ),
            $cache->getItem( 'arz', 'compiledPluralRules' ),
            'arz compiled plural rules (undefined) fallback to ar (defined)'
        );
 
        $this->assertNotEquals(
            $cache->getItem( 'ksh', 'pluralRules' ),
            $cache->getItem( 'de', 'pluralRules' ),
            'ksh plural rules (defined) dont fallback to de (defined)'
        );
 
        $this->assertNotEquals(
            $cache->getItem( 'ksh', 'compiledPluralRules' ),
            $cache->getItem( 'de', 'compiledPluralRules' ),
            'ksh compiled plural rules (defined) dont fallback to de (defined)'
        );
    }
 
    public function testRecacheFallbacks() {
        $lc = $this->getMockLocalisationCache();
        $lc->recache( 'ba' );
        $this->assertEquals(
            [
                'present-ba' => 'ba',
                'present-ru' => 'ru',
                'present-en' => 'en',
            ],
            $lc->getItem( 'ba', 'messages' ),
            'Fallbacks are only used to fill missing data'
        );
    }
 
    public function testRecacheFallbacksWithHooks() {
        // Use hook to provide updates for messages. This is what the
        // LocalisationUpdate extension does. See T70781.
        $this->mergeMwGlobalArrayValue( 'wgHooks', [
            'LocalisationCacheRecacheFallback' => [
                function (
                    LocalisationCache $lc,
                    $code,
                    array &$cache
                ) {
                    if ( $code === 'ru' ) {
                        $cache['messages']['present-ba'] = 'ru-override';
                        $cache['messages']['present-ru'] = 'ru-override';
                        $cache['messages']['present-en'] = 'ru-override';
                    }
                }
            ]
        ] );
 
        $lc = $this->getMockLocalisationCache();
        $lc->recache( 'ba' );
        $this->assertEquals(
            [
                'present-ba' => 'ba',
                'present-ru' => 'ru-override',
                'present-en' => 'ru-override',
            ],
            $lc->getItem( 'ba', 'messages' ),
            'Updates provided by hooks follow the normal fallback order.'
        );
    }
}