MediaWikiTitleCodecTest.php

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<?php
class MediaWikiTitleCodecTest extends MediaWikiTestCase {
 
    public function setUp() {
        parent::setUp();
 
        $this->setMwGlobals( array(
            'wgLanguageCode' => 'en',
            'wgContLang' => Language::factory( 'en' ),
            // User language
            'wgLang' => Language::factory( 'en' ),
            'wgAllowUserJs' => false,
            'wgDefaultLanguageVariant' => false,
            'wgLocalInterwikis' => array( 'localtestiw' ),
 
            // NOTE: this is why global state is evil.
            // TODO: refactor access to the interwiki codes so it can be injected.
            'wgHooks' => array(
                'InterwikiLoadPrefix' => array(
                    function ( $prefix, &$data ) {
                        if ( $prefix === 'localtestiw' ) {
                            $data = array( 'iw_url' => 'localtestiw' );
                        } elseif ( $prefix === 'remotetestiw' ) {
                            $data = array( 'iw_url' => 'remotetestiw' );
                        }
                        return false;
                    }
                )
            )
        ) );
    }
 
    private function getGenderCache() {
        $genderCache = $this->getMockBuilder( 'GenderCache' )
            ->disableOriginalConstructor()
            ->getMock();
 
        $genderCache->expects( $this->any() )
            ->method( 'getGenderOf' )
            ->will( $this->returnCallback( function( $userName ) {
                return preg_match( '/^[^- _]+a( |_|$)/u', $userName ) ? 'female' : 'male';
            } ) );
 
        return $genderCache;
    }
 
    protected function makeCodec( $lang ) {
        $gender = $this->getGenderCache();
        $lang = Language::factory( $lang );
        return new MediaWikiTitleCodec( $lang, $gender );
    }
 
    public function provideFormat() {
        return array(
            array( NS_MAIN, 'Foo_Bar', '', 'en', 'Foo Bar' ),
            array( NS_USER, 'Hansi_Maier', 'stuff_and_so_on', 'en', 'User:Hansi Maier#stuff and so on' ),
            array( false, 'Hansi_Maier', '', 'en', 'Hansi Maier' ),
            array( NS_USER_TALK, 'hansi__maier', '', 'en', 'User talk:hansi  maier', 'User talk:Hansi maier' ),
 
            // getGenderCache() provides a mock that considers first
            // names ending in "a" to be female.
            array( NS_USER, 'Lisa_Müller', '', 'de', 'Benutzerin:Lisa Müller' ),
        );
    }
 
    public function testFormat( $namespace, $text, $fragment, $lang, $expected, $normalized = null ) {
        if ( $normalized === null ) {
            $normalized = $expected;
        }
 
        $codec = $this->makeCodec( $lang );
        $actual = $codec->formatTitle( $namespace, $text, $fragment );
 
        $this->assertEquals( $expected, $actual, 'formatted' );
 
        // test round trip
        $parsed = $codec->parseTitle( $actual, NS_MAIN );
        $actual2 = $codec->formatTitle( $parsed->getNamespace(), $parsed->getText(), $parsed->getFragment() );
 
        $this->assertEquals( $normalized, $actual2, 'normalized after round trip' );
    }
 
    public function provideGetText() {
        return array(
            array( NS_MAIN, 'Foo_Bar', '', 'en', 'Foo Bar' ),
            array( NS_USER, 'Hansi_Maier', 'stuff_and_so_on', 'en', 'Hansi Maier' ),
        );
    }
 
    public function testGetText( $namespace, $dbkey, $fragment, $lang, $expected ) {
        $codec = $this->makeCodec( $lang );
        $title = new TitleValue( $namespace, $dbkey, $fragment );
 
        $actual = $codec->getText( $title );
 
        $this->assertEquals( $expected, $actual );
    }
 
    public function provideGetPrefixedText() {
        return array(
            array( NS_MAIN, 'Foo_Bar', '', 'en', 'Foo Bar' ),
            array( NS_USER, 'Hansi_Maier', 'stuff_and_so_on', 'en', 'User:Hansi Maier' ),
 
            // No capitalization or normalization is applied while formatting!
            array( NS_USER_TALK, 'hansi__maier', '', 'en', 'User talk:hansi  maier' ),
 
            // getGenderCache() provides a mock that considers first
            // names ending in "a" to be female.
            array( NS_USER, 'Lisa_Müller', '', 'de', 'Benutzerin:Lisa Müller' ),
        );
    }
 
    public function testGetPrefixedText( $namespace, $dbkey, $fragment, $lang, $expected ) {
        $codec = $this->makeCodec( $lang );
        $title = new TitleValue( $namespace, $dbkey, $fragment );
 
        $actual = $codec->getPrefixedText( $title );
 
        $this->assertEquals( $expected, $actual );
    }
 
    public function provideGetFullText() {
        return array(
            array( NS_MAIN, 'Foo_Bar', '', 'en', 'Foo Bar' ),
            array( NS_USER, 'Hansi_Maier', 'stuff_and_so_on', 'en', 'User:Hansi Maier#stuff and so on' ),
 
            // No capitalization or normalization is applied while formatting!
            array( NS_USER_TALK, 'hansi__maier', '', 'en', 'User talk:hansi  maier' ),
        );
    }
 
    public function testGetFullText( $namespace, $dbkey, $fragment, $lang, $expected ) {
        $codec = $this->makeCodec( $lang );
        $title = new TitleValue( $namespace, $dbkey, $fragment );
 
        $actual = $codec->getFullText( $title );
 
        $this->assertEquals( $expected, $actual );
    }
 
    public function provideParseTitle() {
        //TODO: test capitalization and trimming
        //TODO: test unicode normalization
 
        return array(
            array( '  : Hansi_Maier _ ', NS_MAIN, 'en',
                new TitleValue( NS_MAIN, 'Hansi_Maier', '' ) ),
            array( 'User:::1', NS_MAIN, 'de',
                new TitleValue( NS_USER, '0:0:0:0:0:0:0:1', '' ) ),
            array( ' lisa Müller', NS_USER, 'de',
                new TitleValue( NS_USER, 'Lisa_Müller', '' ) ),
            array( 'benutzerin:lisa Müller#stuff', NS_MAIN, 'de',
                new TitleValue( NS_USER, 'Lisa_Müller', 'stuff' ) ),
 
            array( ':Category:Quux', NS_MAIN, 'en',
                new TitleValue( NS_CATEGORY, 'Quux', '' ) ),
            array( 'Category:Quux', NS_MAIN, 'en',
                new TitleValue( NS_CATEGORY, 'Quux', '' ) ),
            array( 'Category:Quux', NS_CATEGORY, 'en',
                new TitleValue( NS_CATEGORY, 'Quux', '' ) ),
            array( 'Quux', NS_CATEGORY, 'en',
                new TitleValue( NS_CATEGORY, 'Quux', '' ) ),
            array( ':Quux', NS_CATEGORY, 'en',
                new TitleValue( NS_MAIN, 'Quux', '' ) ),
 
            // getGenderCache() provides a mock that considers first
            // names ending in "a" to be female.
 
            array( 'a b c', NS_MAIN, 'en',
                new TitleValue( NS_MAIN, 'A_b_c' ) ),
            array( ' a  b  c ', NS_MAIN, 'en',
                new TitleValue( NS_MAIN, 'A_b_c' ) ),
            array( ' _ Foo __ Bar_ _', NS_MAIN, 'en',
                new TitleValue( NS_MAIN, 'Foo_Bar' ) ),
 
            //NOTE: cases copied from TitleTest::testSecureAndSplit. Keep in sync.
            array( 'Sandbox', NS_MAIN, 'en', ),
            array( 'A "B"', NS_MAIN, 'en', ),
            array( 'A \'B\'', NS_MAIN, 'en', ),
            array( '.com', NS_MAIN, 'en', ),
            array( '~', NS_MAIN, 'en', ),
            array( '"', NS_MAIN, 'en', ),
            array( '\'', NS_MAIN, 'en', ),
 
            array( 'Talk:Sandbox', NS_MAIN, 'en',
                new TitleValue( NS_TALK, 'Sandbox' ) ),
            array( 'Talk:Foo:Sandbox', NS_MAIN, 'en',
                new TitleValue( NS_TALK, 'Foo:Sandbox' ) ),
            array( 'File:Example.svg', NS_MAIN, 'en',
                new TitleValue( NS_FILE, 'Example.svg' ) ),
            array( 'File_talk:Example.svg', NS_MAIN, 'en',
                new TitleValue( NS_FILE_TALK, 'Example.svg' ) ),
            array( 'Foo/.../Sandbox', NS_MAIN, 'en',
                'Foo/.../Sandbox' ),
            array( 'Sandbox/...', NS_MAIN, 'en',
                'Sandbox/...' ),
            array( 'A~~', NS_MAIN, 'en',
                'A~~' ),
            // Length is 256 total, but only title part matters
            array( 'Category:' . str_repeat( 'x', 248 ), NS_MAIN, 'en',
                new TitleValue( NS_CATEGORY,
                    'X' . str_repeat( 'x', 247 ) ) ),
            array( str_repeat( 'x', 252 ), NS_MAIN, 'en',
                'X' . str_repeat( 'x', 251 ) )
        );
    }
 
    public function testParseTitle( $text, $ns, $lang, $title = null ) {
        if ( $title === null ) {
            $title = str_replace( ' ', '_', trim( $text ) );
        }
 
        if ( is_string( $title ) ) {
            $title = new TitleValue( NS_MAIN, $title, '' );
        }
 
        $codec = $this->makeCodec( $lang );
        $actual = $codec->parseTitle( $text, $ns );
 
        $this->assertEquals( $title, $actual );
    }
 
    public function provideParseTitle_invalid() {
        //TODO: test unicode errors
 
        return array(
            array( '#' ),
            array( '::' ),
            array( '::xx' ),
            array( '::##' ),
            array( ' :: x' ),
 
            array( 'Talk:File:Foo.jpg' ),
            array( 'Talk:localtestiw:Foo' ),
            array( 'remotetestiw:Foo' ),
            array( '::1' ), // only valid in user namespace
            array( 'User::x' ), // leading ":" in a user name is only valid of IPv6 addresses
 
            //NOTE: cases copied from TitleTest::testSecureAndSplit. Keep in sync.
            array( '' ),
            array( ':' ),
            array( '__  __' ),
            array( '  __  ' ),
            // Bad characters forbidden regardless of wgLegalTitleChars
            array( 'A [ B' ),
            array( 'A ] B' ),
            array( 'A { B' ),
            array( 'A } B' ),
            array( 'A < B' ),
            array( 'A > B' ),
            array( 'A | B' ),
            // URL encoding
            array( 'A%20B' ),
            array( 'A%23B' ),
            array( 'A%2523B' ),
            // XML/HTML character entity references
            // Note: Commented out because they are not marked invalid by the PHP test as
            // Title::newFromText runs Sanitizer::decodeCharReferencesAndNormalize first.
            //array( 'A &eacute; B' ),
            //array( 'A &#233; B' ),
            //array( 'A &#x00E9; B' ),
            // Subject of NS_TALK does not roundtrip to NS_MAIN
            array( 'Talk:File:Example.svg' ),
            // Directory navigation
            array( '.' ),
            array( '..' ),
            array( './Sandbox' ),
            array( '../Sandbox' ),
            array( 'Foo/./Sandbox' ),
            array( 'Foo/../Sandbox' ),
            array( 'Sandbox/.' ),
            array( 'Sandbox/..' ),
            // Tilde
            array( 'A ~~~ Name' ),
            array( 'A ~~~~ Signature' ),
            array( 'A ~~~~~ Timestamp' ),
            array( str_repeat( 'x', 256 ) ),
            // Namespace prefix without actual title
            array( 'Talk:' ),
            array( 'Category: ' ),
            array( 'Category: #bar' )
        );
    }
 
    public function testParseTitle_invalid( $text ) {
        $this->setExpectedException( 'MalformedTitleException' );
 
        $codec = $this->makeCodec( 'en' );
        $codec->parseTitle( $text, NS_MAIN );
    }
 
    public function provideGetNamespaceName() {
        return array(
            array( NS_MAIN, 'Foo', 'en', '' ),
            array( NS_USER, 'Foo', 'en', 'User' ),
            array( NS_USER, 'Hansi Maier', 'de', 'Benutzer' ),
 
            // getGenderCache() provides a mock that considers first
            // names ending in "a" to be female.
            array( NS_USER, 'Lisa Müller', 'de', 'Benutzerin' ),
        );
    }
 
    public function testGetNamespaceName( $namespace, $text, $lang, $expected ) {
        $codec = $this->makeCodec( $lang );
        $name = $codec->getNamespaceName( $namespace, $text );
 
        $this->assertEquals( $expected, $name );
    }
}