MergeHistoryTest.php

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<?php

class MergeHistoryTest extends MediaWikiTestCase {

    public function addDBDataOnce() {
        // Pages that won't actually be merged
        $this->insertPage( 'Test' );
        $this->insertPage( 'Test2' );

        // Pages that will be merged
        $this->insertPage( 'Merge1' );
        $this->insertPage( 'Merge2' );
    }

    public function testIsValidMerge( $source, $dest, $timestamp, $error ) {
        $this->setMwGlobals( 'wgContentHandlerUseDB', false );
        $mh = new MergeHistory(
            Title::newFromText( $source ),
            Title::newFromText( $dest ),
            $timestamp
        );
        $status = $mh->isValidMerge();
        if ( $error === true ) {
            $this->assertTrue( $status->isGood() );
        } else {
            $this->assertTrue( $status->hasMessage( $error ) );
        }
    }

    public static function provideIsValidMerge() {
        return [
            // for MergeHistory::isValidMerge
            [ 'Test', 'Test2', false, true ],
            // Although this timestamp is after the latest timestamp of both pages,
            // MergeHistory should select the latest source timestamp up to this which should
            // still work for the merge.
            [ 'Test', 'Test2', strtotime( 'tomorrow' ), true ],
            [ 'Test', 'Test', false, 'mergehistory-fail-self-merge' ],
            [ 'Nonexistant', 'Test2', false, 'mergehistory-fail-invalid-source' ],
            [ 'Test', 'Nonexistant', false, 'mergehistory-fail-invalid-dest' ],
            [
                'Test',
                'Test2',
                'This is obviously an invalid timestamp',
                'mergehistory-fail-bad-timestamp'
            ],
        ];
    }

    public function testIsValidMergeRevisionLimit() {
        $limit = MergeHistory::REVISION_LIMIT;

        $mh = $this->getMockBuilder( 'MergeHistory' )
            ->setMethods( [ 'getRevisionCount' ] )
            ->setConstructorArgs( [
                Title::newFromText( 'Test' ),
                Title::newFromText( 'Test2' ),
            ] )
            ->getMock();
        $mh->expects( $this->once() )
            ->method( 'getRevisionCount' )
            ->will( $this->returnValue( $limit + 1 ) );

        $status = $mh->isValidMerge();
        $this->assertTrue( $status->hasMessage( 'mergehistory-fail-toobig' ) );
        $errors = $status->getErrorsByType( 'error' );
        $params = $errors[0]['params'];
        $this->assertEquals( $params[0], Message::numParam( $limit ) );
    }

    public function testCheckPermissions() {
        $mh = new MergeHistory(
            Title::newFromText( 'Test' ),
            Title::newFromText( 'Test2' )
        );

        // Sysop with mergehistory permission
        $sysop = User::newFromName( 'UTSysop' );
        $status = $mh->checkPermissions( $sysop, '' );
        $this->assertTrue( $status->isOK() );

        // Normal user
        $notSysop = User::newFromName( 'UTNotSysop' );
        $notSysop->addToDatabase();
        $status = $mh->checkPermissions( $notSysop, '' );
        $this->assertTrue( $status->hasMessage( 'mergehistory-fail-permission' ) );
    }

    public function testGetMergedRevisionCount() {
        $mh = new MergeHistory(
            Title::newFromText( 'Merge1' ),
            Title::newFromText( 'Merge2' )
        );

        $mh->merge( User::newFromName( 'UTSysop' ) );
        $this->assertEquals( $mh->getMergedRevisionCount(), 1 );
    }
}