MediaWiki 1.30.2

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

diff --git a/tests/phpunit/includes/libs/objectcache/ReplicatedBagOStuffTest.php b/tests/phpunit/includes/libs/objectcache/ReplicatedBagOStuffTest.php
new file mode 100644 (file)
index 0000000..1b502ec
--- /dev/null
+++ b/tests/phpunit/includes/libs/objectcache/ReplicatedBagOStuffTest.php
@@ -0,0 +1,62 @@
+<?php
+
+class ReplicatedBagOStuffTest extends MediaWikiTestCase {
+       /** @var HashBagOStuff */
+       private $writeCache;
+       /** @var HashBagOStuff */
+       private $readCache;
+       /** @var ReplicatedBagOStuff */
+       private $cache;
+
+       protected function setUp() {
+               parent::setUp();
+
+               $this->writeCache = new HashBagOStuff();
+               $this->readCache = new HashBagOStuff();
+               $this->cache = new ReplicatedBagOStuff( [
+                       'writeFactory' => $this->writeCache,
+                       'readFactory' => $this->readCache,
+               ] );
+       }
+
+       /**
+        * @covers ReplicatedBagOStuff::set
+        */
+       public function testSet() {
+               $key = wfRandomString();
+               $value = wfRandomString();
+               $this->cache->set( $key, $value );
+
+               // Write to master.
+               $this->assertEquals( $this->writeCache->get( $key ), $value );
+               // Don't write to slave. Replication is deferred to backend.
+               $this->assertEquals( $this->readCache->get( $key ), false );
+       }
+
+       /**
+        * @covers ReplicatedBagOStuff::get
+        */
+       public function testGet() {
+               $key = wfRandomString();
+
+               $write = wfRandomString();
+               $this->writeCache->set( $key, $write );
+               $read = wfRandomString();
+               $this->readCache->set( $key, $read );
+
+               // Read from slave.
+               $this->assertEquals( $this->cache->get( $key ), $read );
+       }
+
+       /**
+        * @covers ReplicatedBagOStuff::get
+        */
+       public function testGetAbsent() {
+               $key = wfRandomString();
+               $value = wfRandomString();
+               $this->writeCache->set( $key, $value );
+
+               // Don't read from master. No failover if value is absent.
+               $this->assertEquals( $this->cache->get( $key ), false );
+       }
+}