setMwGlobals( 'wgCommandLineMode', false ); $urls1 = []; $title = Title::newMainPage(); $urls1[] = $title->getCanonicalURL( '?x=1' ); $urls1[] = $title->getCanonicalURL( '?x=2' ); $urls1[] = $title->getCanonicalURL( '?x=3' ); $update1 = new CdnCacheUpdate( $urls1 ); DeferredUpdates::addUpdate( $update1 ); $urls2 = []; $urls2[] = $title->getCanonicalURL( '?x=2' ); $urls2[] = $title->getCanonicalURL( '?x=3' ); $urls2[] = $title->getCanonicalURL( '?x=4' ); $update2 = new CdnCacheUpdate( $urls2 ); DeferredUpdates::addUpdate( $update2 ); $wrapper = TestingAccessWrapper::newFromObject( $update1 ); $this->assertEquals( array_merge( $urls1, $urls2 ), $wrapper->urls ); } }