RefreshLinksPartitionTest.php

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<?php

class RefreshLinksPartitionTest extends MediaWikiTestCase {
    public function __construct( $name = null, array $data = [], $dataName = '' ) {
        parent::__construct( $name, $data, $dataName );

        $this->tablesUsed[] = 'page';
        $this->tablesUsed[] = 'revision';
        $this->tablesUsed[] = 'pagelinks';
    }

    public function testRefreshLinks( $ns, $dbKey, $pages ) {
        $title = Title::makeTitle( $ns, $dbKey );

        foreach ( $pages as $page ) {
            list( $bns, $bdbkey ) = $page;
            $bpage = WikiPage::factory( Title::makeTitle( $bns, $bdbkey ) );
            $content = ContentHandler::makeContent( "[[{$title->getPrefixedText()}]]", $bpage->getTitle() );
            $bpage->doEditContent( $content, "test" );
        }

        $title->getBacklinkCache()->clear();
        $this->assertEquals(
            20,
            $title->getBacklinkCache()->getNumLinks( 'pagelinks' ),
            'Correct number of backlinks'
        );

        $job = new RefreshLinksJob( $title, [ 'recursive' => true, 'table' => 'pagelinks' ]
            + Job::newRootJobParams( "refreshlinks:pagelinks:{$title->getPrefixedText()}" ) );
        $extraParams = $job->getRootJobParams();
        $jobs = BacklinkJobUtils::partitionBacklinkJob( $job, 9, 1, [ 'params' => $extraParams ] );

        $this->assertEquals( 10, count( $jobs ), 'Correct number of sub-jobs' );
        $this->assertEquals( $pages[0], current( $jobs[0]->params['pages'] ),
            'First job is leaf job with proper title' );
        $this->assertEquals( $pages[8], current( $jobs[8]->params['pages'] ),
            'Last leaf job is leaf job with proper title' );
        $this->assertEquals( true, isset( $jobs[9]->params['recursive'] ),
            'Last job is recursive sub-job' );
        $this->assertEquals( true, $jobs[9]->params['recursive'],
            'Last job is recursive sub-job' );
        $this->assertEquals( true, is_array( $jobs[9]->params['range'] ),
            'Last job is recursive sub-job' );
        $this->assertEquals( $title->getPrefixedText(), $jobs[0]->getTitle()->getPrefixedText(),
            'Base job title retainend in leaf job' );
        $this->assertEquals( $title->getPrefixedText(), $jobs[9]->getTitle()->getPrefixedText(),
            'Base job title retainend recursive sub-job' );
        $this->assertEquals( $extraParams['rootJobSignature'], $jobs[0]->params['rootJobSignature'],
            'Leaf job has root params' );
        $this->assertEquals( $extraParams['rootJobSignature'], $jobs[9]->params['rootJobSignature'],
            'Recursive sub-job has root params' );

        $jobs2 = BacklinkJobUtils::partitionBacklinkJob(
            $jobs[9],
            9,
            1,
            [ 'params' => $extraParams ]
        );

        $this->assertEquals( 10, count( $jobs2 ), 'Correct number of sub-jobs' );
        $this->assertEquals( $pages[9], current( $jobs2[0]->params['pages'] ),
            'First job is leaf job with proper title' );
        $this->assertEquals( $pages[17], current( $jobs2[8]->params['pages'] ),
            'Last leaf job is leaf job with proper title' );
        $this->assertEquals( true, isset( $jobs2[9]->params['recursive'] ),
            'Last job is recursive sub-job' );
        $this->assertEquals( true, $jobs2[9]->params['recursive'],
            'Last job is recursive sub-job' );
        $this->assertEquals( true, is_array( $jobs2[9]->params['range'] ),
            'Last job is recursive sub-job' );
        $this->assertEquals( $extraParams['rootJobSignature'], $jobs2[0]->params['rootJobSignature'],
            'Leaf job has root params' );
        $this->assertEquals( $extraParams['rootJobSignature'], $jobs2[9]->params['rootJobSignature'],
            'Recursive sub-job has root params' );

        $jobs3 = BacklinkJobUtils::partitionBacklinkJob(
            $jobs2[9],
            9,
            1,
            [ 'params' => $extraParams ]
        );

        $this->assertEquals( 2, count( $jobs3 ), 'Correct number of sub-jobs' );
        $this->assertEquals( $pages[18], current( $jobs3[0]->params['pages'] ),
            'First job is leaf job with proper title' );
        $this->assertEquals( $extraParams['rootJobSignature'], $jobs3[0]->params['rootJobSignature'],
            'Leaf job has root params' );
        $this->assertEquals( $pages[19], current( $jobs3[1]->params['pages'] ),
            'Last job is leaf job with proper title' );
        $this->assertEquals( $extraParams['rootJobSignature'], $jobs3[1]->params['rootJobSignature'],
            'Last leaf job has root params' );
    }

    public static function provider_backlinks() {
        $pages = [];
        for ( $i = 0; $i < 20; ++$i ) {
            $pages[] = [ 0, "Page-$i" ];
        }
        return [
            [ 10, 'Bang', $pages ]
        ];
    }
}