backup_LogTest.php

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<?php
class BackupDumperLoggerTest extends DumpTestCase {


    // We'll add several log entries and users for this test. The following
    // variables hold the corresponding ids.
    private $userId1, $userId2;
    private $logId1, $logId2, $logId3;

    private function addLogEntry( $type, $subtype, User $user, $ns, $title,
        $comment = null, $parameters = null
    ) {
        $logEntry = new ManualLogEntry( $type, $subtype );
        $logEntry->setPerformer( $user );
        $logEntry->setTarget( Title::newFromText( $title, $ns ) );
        if ( $comment !== null ) {
            $logEntry->setComment( $comment );
        }
        if ( $parameters !== null ) {
            $logEntry->setParameters( $parameters );
        }

        return $logEntry->insert();
    }

    function addDBData() {
        $this->tablesUsed[] = 'logging';
        $this->tablesUsed[] = 'user';

        try {
            $user1 = User::newFromName( 'BackupDumperLogUserA' );
            $this->userId1 = $user1->getId();
            if ( $this->userId1 === 0 ) {
                $user1->addToDatabase();
                $this->userId1 = $user1->getId();
            }
            $this->assertGreaterThan( 0, $this->userId1 );

            $user2 = User::newFromName( 'BackupDumperLogUserB' );
            $this->userId2 = $user2->getId();
            if ( $this->userId2 === 0 ) {
                $user2->addToDatabase();
                $this->userId2 = $user2->getId();
            }
            $this->assertGreaterThan( 0, $this->userId2 );

            $this->logId1 = $this->addLogEntry( 'type', 'subtype',
                $user1, NS_MAIN, "PageA" );
            $this->assertGreaterThan( 0, $this->logId1 );

            $this->logId2 = $this->addLogEntry( 'supress', 'delete',
                $user2, NS_TALK, "PageB", "SomeComment" );
            $this->assertGreaterThan( 0, $this->logId2 );

            $this->logId3 = $this->addLogEntry( 'move', 'delete',
                $user2, NS_MAIN, "PageA", "SomeOtherComment",
                array( 'key1' => 1, 3 => 'value3' ) );
            $this->assertGreaterThan( 0, $this->logId3 );
        } catch ( Exception $e ) {
            // We'd love to pass $e directly. However, ... see
            // documentation of exceptionFromAddDBData in
            // DumpTestCase
            $this->exceptionFromAddDBData = $e;
        }
    }


    private function assertLogItem( $id, $user_name, $user_id, $comment, $type,
        $subtype, $title, $parameters = array()
    ) {

        $this->assertNodeStart( "logitem" );
        $this->skipWhitespace();

        $this->assertTextNode( "id", $id );
        $this->assertTextNode( "timestamp", false );

        $this->assertNodeStart( "contributor" );
        $this->skipWhitespace();
        $this->assertTextNode( "username", $user_name );
        $this->assertTextNode( "id", $user_id );
        $this->assertNodeEnd( "contributor" );
        $this->skipWhitespace();

        if ( $comment !== null ) {
            $this->assertTextNode( "comment", $comment );
        }
        $this->assertTextNode( "type", $type );
        $this->assertTextNode( "action", $subtype );
        $this->assertTextNode( "logtitle", $title );

        $this->assertNodeStart( "params" );
        $parameters_xml = unserialize( $this->xml->value );
        $this->assertEquals( $parameters, $parameters_xml );
        $this->assertTrue( $this->xml->read(), "Skipping past processed text of params" );
        $this->assertNodeEnd( "params" );
        $this->skipWhitespace();

        $this->assertNodeEnd( "logitem" );
        $this->skipWhitespace();
    }

    function testPlain() {
        global $wgContLang;

        // Preparing the dump
        $fname = $this->getNewTempFile();
        $dumper = new BackupDumper( array( "--output=file:" . $fname ) );
        $dumper->startId = $this->logId1;
        $dumper->endId = $this->logId3 + 1;
        $dumper->reporting = false;
        $dumper->setDb( $this->db );

        // Performing the dump
        $dumper->dump( WikiExporter::LOGS, WikiExporter::TEXT );

        // Analyzing the dumped data
        $this->assertDumpStart( $fname );

        $this->assertLogItem( $this->logId1, "BackupDumperLogUserA",
            $this->userId1, null, "type", "subtype", "PageA" );

        $this->assertNotNull( $wgContLang, "Content language object validation" );
        $namespace = $wgContLang->getNsText( NS_TALK );
        $this->assertInternalType( 'string', $namespace );
        $this->assertGreaterThan( 0, strlen( $namespace ) );
        $this->assertLogItem( $this->logId2, "BackupDumperLogUserB",
            $this->userId2, "SomeComment", "supress", "delete",
            $namespace . ":PageB" );

        $this->assertLogItem( $this->logId3, "BackupDumperLogUserB",
            $this->userId2, "SomeOtherComment", "move", "delete",
            "PageA", array( 'key1' => 1, 3 => 'value3' ) );

        $this->assertDumpEnd();
    }

    function testXmlDumpsBackupUseCaseLogging() {
        global $wgContLang;

        $this->checkHasGzip();

        // Preparing the dump
        $fname = $this->getNewTempFile();
        $dumper = new BackupDumper( array( "--output=gzip:" . $fname,
            "--reporting=2" ) );
        $dumper->startId = $this->logId1;
        $dumper->endId = $this->logId3 + 1;
        $dumper->setDb( $this->db );

        // xmldumps-backup demands reporting, although this is currently not
        // implemented in BackupDumper, when dumping logging data. We
        // nevertheless capture the output of the dump process already now,
        // to be able to alert (once dumping produces reports) that this test
        // needs updates.
        $dumper->stderr = fopen( 'php://output', 'a' );
        if ( $dumper->stderr === false ) {
            $this->fail( "Could not open stream for stderr" );
        }

        // Performing the dump
        $dumper->dump( WikiExporter::LOGS, WikiExporter::TEXT );

        $this->assertTrue( fclose( $dumper->stderr ), "Closing stderr handle" );

        // Analyzing the dumped data
        $this->gunzip( $fname );

        $this->assertDumpStart( $fname );

        $this->assertLogItem( $this->logId1, "BackupDumperLogUserA",
            $this->userId1, null, "type", "subtype", "PageA" );

        $this->assertNotNull( $wgContLang, "Content language object validation" );
        $namespace = $wgContLang->getNsText( NS_TALK );
        $this->assertInternalType( 'string', $namespace );
        $this->assertGreaterThan( 0, strlen( $namespace ) );
        $this->assertLogItem( $this->logId2, "BackupDumperLogUserB",
            $this->userId2, "SomeComment", "supress", "delete",
            $namespace . ":PageB" );

        $this->assertLogItem( $this->logId3, "BackupDumperLogUserB",
            $this->userId2, "SomeOtherComment", "move", "delete",
            "PageA", array( 'key1' => 1, 3 => 'value3' ) );

        $this->assertDumpEnd();

        // Currently, no reporting is implemented. Alert via failure, once
        // this changes.
        // If reporting for log dumps has been implemented, please update
        // the following statement to catch good output
        $this->expectOutputString( '' );
    }
}