MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / tests / phpunit / includes / objectcache / ObjectCacheTest.php

diff --git a/tests/phpunit/includes/objectcache/ObjectCacheTest.php b/tests/phpunit/includes/objectcache/ObjectCacheTest.php
new file mode 100644 (file)
index 0000000..f8ce24e
--- /dev/null
+++ b/tests/phpunit/includes/objectcache/ObjectCacheTest.php
@@ -0,0 +1,115 @@
+<?php
+
+class ObjectCacheTest extends MediaWikiTestCase {
+
+       protected function setUp() {
+               // Parent calls ObjectCache::clear() among other things
+               parent::setUp();
+
+               $this->setCacheConfig();
+               $this->setMwGlobals( [
+                       'wgMainCacheType' => CACHE_NONE,
+                       'wgMessageCacheType' => CACHE_NONE,
+                       'wgParserCacheType' => CACHE_NONE,
+               ] );
+       }
+
+       private function setCacheConfig( $arr = [] ) {
+               $defaults = [
+                       CACHE_NONE => [ 'class' => 'EmptyBagOStuff' ],
+                       CACHE_DB => [ 'class' => 'SqlBagOStuff' ],
+                       CACHE_ANYTHING => [ 'factory' => 'ObjectCache::newAnything' ],
+                       // Mock ACCEL with 'hash' as being installed.
+                       // This makes tests deterministic regardless of APC.
+                       CACHE_ACCEL => [ 'class' => 'HashBagOStuff' ],
+                       'hash' => [ 'class' => 'HashBagOStuff' ],
+               ];
+               $this->setMwGlobals( 'wgObjectCaches', $arr + $defaults );
+       }
+
+       /** @covers ObjectCache::newAnything */
+       public function testNewAnythingNothing() {
+               $this->assertInstanceOf(
+                       SqlBagOStuff::class,
+                       ObjectCache::newAnything( [] ),
+                       'No available types. Fallback to DB'
+               );
+       }
+
+       /** @covers ObjectCache::newAnything */
+       public function testNewAnythingHash() {
+               $this->setMwGlobals( [
+                       'wgMainCacheType' => 'hash'
+               ] );
+
+               $this->assertInstanceOf(
+                       HashBagOStuff::class,
+                       ObjectCache::newAnything( [] ),
+                       'Use an available type (hash)'
+               );
+       }
+
+       /** @covers ObjectCache::newAnything */
+       public function testNewAnythingAccel() {
+               $this->setMwGlobals( [
+                       'wgMainCacheType' => CACHE_ACCEL
+               ] );
+
+               $this->assertInstanceOf(
+                       HashBagOStuff::class,
+                       ObjectCache::newAnything( [] ),
+                       'Use an available type (CACHE_ACCEL)'
+               );
+       }
+
+       /** @covers ObjectCache::newAnything */
+       public function testNewAnythingNoAccel() {
+               $this->setMwGlobals( [
+                       'wgMainCacheType' => CACHE_ACCEL
+               ] );
+
+               $this->setCacheConfig( [
+                       // Mock APC not being installed (T160519, T147161)
+                       CACHE_ACCEL => [ 'class' => 'EmptyBagOStuff' ]
+               ] );
+
+               $this->assertInstanceOf(
+                       SqlBagOStuff::class,
+                       ObjectCache::newAnything( [] ),
+                       'Fallback to DB if available types fall back to Empty'
+               );
+       }
+
+       /** @covers ObjectCache::newAnything */
+       public function testNewAnythingNoAccelNoDb() {
+               $this->overrideMwServices(); // Ensures restore on tear down
+               MediaWiki\MediaWikiServices::disableStorageBackend();
+
+               $this->setMwGlobals( [
+                       'wgMainCacheType' => CACHE_ACCEL
+               ] );
+
+               $this->setCacheConfig( [
+                       // Mock APC not being installed (T160519, T147161)
+                       CACHE_ACCEL => [ 'class' => 'EmptyBagOStuff' ]
+               ] );
+
+               $this->assertInstanceOf(
+                       EmptyBagOStuff::class,
+                       ObjectCache::newAnything( [] ),
+                       'Fallback to none if available types and DB are unavailable'
+               );
+       }
+
+       /** @covers ObjectCache::newAnything */
+       public function testNewAnythingNothingNoDb() {
+               $this->overrideMwServices();
+               MediaWiki\MediaWikiServices::disableStorageBackend();
+
+               $this->assertInstanceOf(
+                       EmptyBagOStuff::class,
+                       ObjectCache::newAnything( [] ),
+                       'No available types or DB. Fallback to none.'
+               );
+       }
+}