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( '' );
        }

}