+ public function testSyncMerge() {
+ $key = wfRandomString();
+ $value = wfRandomString();
+ $func = function () use ( $value ) {
+ return $value;
+ };
+
+ // XXX: DeferredUpdates bound to transactions in CLI mode
+ $dbw = wfGetDB( DB_MASTER );
+ $dbw->begin();
+ $this->cache->merge( $key, $func );
+
+ // Set in tier 1
+ $this->assertEquals( $value, $this->cache1->get( $key ), 'Written to tier 1' );
+ // Not yet set in tier 2
+ $this->assertEquals( false, $this->cache2->get( $key ), 'Not written to tier 2' );
+
+ $dbw->commit();
+
+ // Set in tier 2
+ $this->assertEquals( $value, $this->cache2->get( $key ), 'Written to tier 2' );
+
+ $key = wfRandomString();
+
+ $dbw->begin();
+ $this->cache->merge( $key, $func, 0, 1, BagOStuff::WRITE_SYNC );
+
+ // Set in tier 1
+ $this->assertEquals( $value, $this->cache1->get( $key ), 'Written to tier 1' );
+ // Also set in tier 2
+ $this->assertEquals( $value, $this->cache2->get( $key ), 'Written to tier 2' );
+
+ $dbw->commit();
+ }
+