LocalisationCacheTest.php
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LocalisationCacheTest.php
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	<?php

	use MediaWiki\Tests\Language\MockLocalisationCacheTrait;
	use MediaWiki\Tests\Unit\DummyServicesTrait;
	use Wikimedia\TestingAccessWrapper;

	/**
	* @group Language
	* @group Database
	* @covers \LocalisationCache
	* @author Niklas Laxström
	*/
	class LocalisationCacheTest extends MediaWikiIntegrationTestCase {
	use DummyServicesTrait;
	use MockLocalisationCacheTrait;

	public function testPluralRulesFallback() {
	$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' );
	$messages = $lc->getItem( 'ba', 'messages' );

	// Fallbacks are only used to fill missing data
	$this->assertSame( 'ba', $messages['present-ba'] );
	$this->assertSame( 'ru', $messages['present-ru'] );
	$this->assertSame( 'en', $messages['present-en'] );
	}

	public function testRecacheFallbacksWithHooks() {
	// Use hook to provide updates for messages. This is what the
	// LocalisationUpdate extension does. See T70781.

	$lc = $this->getMockLocalisationCache( [
	'LocalisationCacheRecacheFallback' =>
	static 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->recache( 'ba' );
	$messages = $lc->getItem( 'ba', 'messages' );

	// Updates provided by hooks follow the normal fallback order.
	$this->assertSame( 'ba', $messages['present-ba'] );
	$this->assertSame( 'ru-override', $messages['present-ru'] );
	$this->assertSame( 'ru-override', $messages['present-en'] );
	}

	public function testRecacheExtensionMessagesFiles(): void {
	global $IP;

	// first, recache the l10n cache and test it
	$lc = $this->getMockLocalisationCache( [], [
	'ExtensionMessagesFiles' => [
	__METHOD__ => "$IP/tests/phpunit/data/localisationcache/ExtensionMessagesFiles.php",
	]
	] );
	$lc->recache( 'de' );
	$this->assertExtensionMessagesFiles( $lc );

	// then, make another l10n cache sharing the first one’s LCStore and test that (T343375)
	$lc = $this->getMockLocalisationCache( [], [
	'ExtensionMessagesFiles' => [
	__METHOD__ => "$IP/tests/phpunit/data/localisationcache/ExtensionMessagesFiles.php",
	]
	] );
	// no recache this time, but load only the core data first by getting the fallbackSequence
	$lc->getItem( 'de', 'fallbackSequence' );
	$this->assertExtensionMessagesFiles( $lc );
	}

	public function testRecacheTranslationAliasesDirs(): void {
	global $IP;

	$lc = $this->getMockLocalisationCache( [], [
	'TranslationAliasesDirs' => [
	__METHOD__ => "$IP/tests/phpunit/data/localisationcache/translation-alias/"
	]
	] );

	$lc->recache( 'nl' );
	$specialPageAliases = $lc->getItem( 'nl', 'specialPageAliases' );
	$this->assertSame(
	[ "Vertalersmeldingen(TEST)", "NotifyTranslators(TEST)" ],
	$specialPageAliases['NotifyTranslators'],
	'specialPageAliases can be set in TranslationAliasesDirs'
	);
	$this->assertSame(
	[ 'ActieveGebruikers(TEST)', 'ActieveGebruikers', 'ActiveUsers' ],
	$specialPageAliases['Activeusers'],
	'specialPageAliases from extension/core files are merged'
	);

	$lc->recache( 'pt' );
	$specialPageAliases = $lc->getItem( 'pt', 'specialPageAliases' );
	$this->assertSame(
	[ 'Utilizadores_activos(TEST)', 'Utilizadores_activos', 'Usuários_ativos', 'ActiveUsers' ],
	$specialPageAliases['Activeusers'],
	'specialPageAliases from extension/core files and fallback languages are merged'
	);

	$this->expectException( UnexpectedValueException::class );
	$this->expectExceptionMessageMatches( '/invalid key:/i' );
	$lc->recache( 'fr' );
	}

	/**
	* Assert that the given LocalisationCache, which should be configured with
	* ExtensionMessagesFiles containing the ExtensionMessagesFiles.php test fixture file,
	* contains the expected data.
	*/
	private function assertExtensionMessagesFiles( LocalisationCache $lc ): void {
	$specialPageAliases = $lc->getItem( 'de', 'specialPageAliases' );
	$this->assertSame(
	[ 'LokalisierungsPufferTest' ],
	$specialPageAliases['LocalisationCacheTest'],
	'specialPageAliases can be set in ExtensionMessagesFiles'
	);
	$this->assertSame(
	[ 'Aktive_Benutzer*innen', 'Aktive_Benutzer', 'ActiveFolx', 'ActiveUsers' ],
	$specialPageAliases['Activeusers'],
	'specialPageAliases from extension/core files and fallback languages are merged'
	);
	$namespaceNames = $lc->getItem( 'de', 'namespaceNames' );
	$this->assertSame(
	'LokalisierungsPufferTest',
	$namespaceNames[98]
	);
	$this->assertFalse(
	$lc->getItem( 'de', 'rtl' ),
	'rtl cannot be set in ExtensionMessagesFiles'
	);
	}

	public function testLoadCoreDataAvoidsInitLanguage(): void {
	$lc = $this->getMockLocalisationCache();

	$lc->getItem( 'de', 'fallback' );
	$lc->getItem( 'de', 'rtl' );
	$lc->getItem( 'de', 'fallbackSequence' );
	$lc->getItem( 'de', 'originalFallbackSequence' );

	$this->assertArrayNotHasKey( 'de',
	TestingAccessWrapper::newFromObject( $lc )->initialisedLangs );
	}

	public function testShallowFallbackForInvalidCode(): void {
	$lc = $this->getMockLocalisationCache();
	$invalidCode = '!invalid!';

	$this->assertSame( false, $lc->getItem( $invalidCode, 'rtl' ) );
	$this->assertSame( 'windows-1252', $lc->getItem( $invalidCode, 'fallback8bitEncoding' ) );
	}
	}

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