Automatically reset namespace caches when needed

[lhc/web/wiklou.git] / tests / phpunit / languages / LanguageTest.php

diff --git a/tests/phpunit/languages/LanguageTest.php b/tests/phpunit/languages/LanguageTest.php
index 35bb1f0..f99bc70 100644 (file)
--- a/tests/phpunit/languages/LanguageTest.php
+++ b/tests/phpunit/languages/LanguageTest.php
@@ -1,5 +1,7 @@
 <?php
 
+use Wikimedia\TestingAccessWrapper;
+
 class LanguageTest extends LanguageClassesTestCase {
        /**
         * @covers Language::convertDoubleWidth
@@ -1771,6 +1773,45 @@ class LanguageTest extends LanguageClassesTestCase {
                $this->assertEquals( "a{$c}b{$c}c{$and}{$s}d", $lang->listToText( [ 'a', 'b', 'c', 'd' ] ) );
        }
 
+       /**
+        * @covers Language::clearCaches
+        */
+       public function testClearCaches() {
+               $languageClass = TestingAccessWrapper::newFromClass( Language::class );
+
+               // Populate $dataCache
+               Language::getLocalisationCache()->getItem( 'zh', 'mainpage' );
+               $oldCacheObj = Language::$dataCache;
+               $this->assertNotCount( 0,
+                       TestingAccessWrapper::newFromObject( Language::$dataCache )->loadedItems );
+
+               // Populate $mLangObjCache
+               $lang = Language::factory( 'en' );
+               $this->assertNotCount( 0, Language::$mLangObjCache );
+
+               // Populate $fallbackLanguageCache
+               Language::getFallbacksIncludingSiteLanguage( 'en' );
+               $this->assertNotCount( 0, $languageClass->fallbackLanguageCache );
+
+               // Populate $grammarTransformations
+               $lang->getGrammarTransformations();
+               $this->assertNotNull( $languageClass->grammarTransformations );
+
+               // Populate $languageNameCache
+               Language::fetchLanguageNames();
+               $this->assertNotNull( $languageClass->languageNameCache );
+
+               Language::clearCaches();
+
+               $this->assertNotSame( $oldCacheObj, Language::$dataCache );
+               $this->assertCount( 0,
+                       TestingAccessWrapper::newFromObject( Language::$dataCache )->loadedItems );
+               $this->assertCount( 0, Language::$mLangObjCache );
+               $this->assertCount( 0, $languageClass->fallbackLanguageCache );
+               $this->assertNull( $languageClass->grammarTransformations );
+               $this->assertNull( $languageClass->languageNameCache );
+       }
+
        /**
         * @dataProvider provideIsSupportedLanguage
         * @covers Language::isSupportedLanguage