MediaWikiTitleCodecTest.php

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<?php
class MediaWikiTitleCodecTest extends MediaWikiTestCase {
 
    public function setUp() {
        parent::setUp();
 
        $this->setMwGlobals( [
            'wgAllowUserJs' => false,
            'wgDefaultLanguageVariant' => false,
            'wgMetaNamespace' => 'Project',
            'wgLocalInterwikis' => [ 'localtestiw' ],
            'wgCapitalLinks' => true,
 
            // NOTE: this is why global state is evil.
            // TODO: refactor access to the interwiki codes so it can be injected.
            'wgHooks' => [
                'InterwikiLoadPrefix' => [
                    function ( $prefix, &$data ) {
                        if ( $prefix === 'localtestiw' ) {
                            $data = [ 'iw_url' => 'localtestiw' ];
                        } elseif ( $prefix === 'remotetestiw' ) {
                            $data = [ 'iw_url' => 'remotetestiw' ];
                        }
                        return false;
                    }
                ]
            ]
        ] );
        $this->setUserLang( 'en' );
        $this->setContentLang( 'en' );
    }
 
    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 );
        // language object can came from cache, which does not respect test settings
        $lang->resetNamespaces();
        return new MediaWikiTitleCodec( $lang, $gender );
    }
 
    public static function provideFormat() {
        return [
            [ NS_MAIN, 'Foo_Bar', '', '', 'en', 'Foo Bar' ],
            [ NS_USER, 'Hansi_Maier', 'stuff_and_so_on', '', 'en', 'User:Hansi Maier#stuff and so on' ],
            [ false, 'Hansi_Maier', '', '', 'en', 'Hansi Maier' ],
            [
                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.
            [ NS_USER, 'Lisa_Müller', '', '', 'de', 'Benutzerin:Lisa Müller' ],
            [ NS_MAIN, 'FooBar', '', 'remotetestiw', 'en', 'remotetestiw:FooBar' ],
        ];
    }
 
    public function testFormat( $namespace, $text, $fragment, $interwiki, $lang, $expected,
        $normalized = null
    ) {
        if ( $normalized === null ) {
            $normalized = $expected;
        }
 
        $codec = $this->makeCodec( $lang );
        $actual = $codec->formatTitle( $namespace, $text, $fragment, $interwiki );
 
        $this->assertEquals( $expected, $actual, 'formatted' );
 
        // test round trip
        $parsed = $codec->parseTitle( $actual, NS_MAIN );
        $actual2 = $codec->formatTitle(
            $parsed->getNamespace(),
            $parsed->getText(),
            $parsed->getFragment(),
            $parsed->getInterwiki()
        );
 
        $this->assertEquals( $normalized, $actual2, 'normalized after round trip' );
    }
 
    public static function provideGetText() {
        return [
            [ NS_MAIN, 'Foo_Bar', '', 'en', 'Foo Bar' ],
            [ 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 static function provideGetPrefixedText() {
        return [
            [ NS_MAIN, 'Foo_Bar', '', 'en', 'Foo Bar' ],
            [ NS_USER, 'Hansi_Maier', 'stuff_and_so_on', 'en', 'User:Hansi Maier' ],
 
            // No capitalization or normalization is applied while formatting!
            [ NS_USER_TALK, 'hansi__maier', '', 'en', 'User talk:hansi  maier' ],
 
            // getGenderCache() provides a mock that considers first
            // names ending in "a" to be female.
            [ NS_USER, 'Lisa_Müller', '', 'de', 'Benutzerin:Lisa Müller' ],
            [ 1000000, 'Invalid_namespace', '', 'en', ':Invalid namespace' ],
        ];
    }
 
    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 static function provideGetPrefixedDBkey() {
        return [
            [ NS_MAIN, 'Foo_Bar', '', '', 'en', 'Foo_Bar' ],
            [ NS_USER, 'Hansi_Maier', 'stuff_and_so_on', '', 'en', 'User:Hansi_Maier' ],
 
            // No capitalization or normalization is applied while formatting!
            [ NS_USER_TALK, 'hansi__maier', '', '', 'en', 'User_talk:hansi__maier' ],
 
            // getGenderCache() provides a mock that considers first
            // names ending in "a" to be female.
            [ NS_USER, 'Lisa_Müller', '', '', 'de', 'Benutzerin:Lisa_Müller' ],
 
            [ NS_MAIN, 'Remote_page', '', 'remotetestiw', 'en', 'remotetestiw:Remote_page' ],
 
            // non-existent namespace
            [ 10000000, 'Foobar', '', '', 'en', ':Foobar' ],
        ];
    }
 
    public function testGetPrefixedDBkey( $namespace, $dbkey, $fragment,
        $interwiki, $lang, $expected
    ) {
        $codec = $this->makeCodec( $lang );
        $title = new TitleValue( $namespace, $dbkey, $fragment, $interwiki );
 
        $actual = $codec->getPrefixedDBkey( $title );
 
        $this->assertEquals( $expected, $actual );
    }
 
    public static function provideGetFullText() {
        return [
            [ NS_MAIN, 'Foo_Bar', '', 'en', 'Foo Bar' ],
            [ NS_USER, 'Hansi_Maier', 'stuff_and_so_on', 'en', 'User:Hansi Maier#stuff and so on' ],
 
            // No capitalization or normalization is applied while formatting!
            [ 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 static function provideParseTitle() {
        // TODO: test capitalization and trimming
        // TODO: test unicode normalization
 
        return [
            [ '  : Hansi_Maier _ ', NS_MAIN, 'en',
                new TitleValue( NS_MAIN, 'Hansi_Maier', '' ) ],
            [ 'User:::1', NS_MAIN, 'de',
                new TitleValue( NS_USER, '0:0:0:0:0:0:0:1', '' ) ],
            [ ' lisa Müller', NS_USER, 'de',
                new TitleValue( NS_USER, 'Lisa_Müller', '' ) ],
            [ 'benutzerin:lisa Müller#stuff', NS_MAIN, 'de',
                new TitleValue( NS_USER, 'Lisa_Müller', 'stuff' ) ],
 
            [ ':Category:Quux', NS_MAIN, 'en',
                new TitleValue( NS_CATEGORY, 'Quux', '' ) ],
            [ 'Category:Quux', NS_MAIN, 'en',
                new TitleValue( NS_CATEGORY, 'Quux', '' ) ],
            [ 'Category:Quux', NS_CATEGORY, 'en',
                new TitleValue( NS_CATEGORY, 'Quux', '' ) ],
            [ 'Quux', NS_CATEGORY, 'en',
                new TitleValue( NS_CATEGORY, 'Quux', '' ) ],
            [ ':Quux', NS_CATEGORY, 'en',
                new TitleValue( NS_MAIN, 'Quux', '' ) ],
 
            // getGenderCache() provides a mock that considers first
            // names ending in "a" to be female.
 
            [ 'a b c', NS_MAIN, 'en',
                new TitleValue( NS_MAIN, 'A_b_c' ) ],
            [ ' a  b  c ', NS_MAIN, 'en',
                new TitleValue( NS_MAIN, 'A_b_c' ) ],
            [ ' _ Foo __ Bar_ _', NS_MAIN, 'en',
                new TitleValue( NS_MAIN, 'Foo_Bar' ) ],
 
            // NOTE: cases copied from TitleTest::testSecureAndSplit. Keep in sync.
            [ 'Sandbox', NS_MAIN, 'en', ],
            [ 'A "B"', NS_MAIN, 'en', ],
            [ 'A \'B\'', NS_MAIN, 'en', ],
            [ '.com', NS_MAIN, 'en', ],
            [ '~', NS_MAIN, 'en', ],
            [ '"', NS_MAIN, 'en', ],
            [ '\'', NS_MAIN, 'en', ],
 
            [ 'Talk:Sandbox', NS_MAIN, 'en',
                new TitleValue( NS_TALK, 'Sandbox' ) ],
            [ 'Talk:Foo:Sandbox', NS_MAIN, 'en',
                new TitleValue( NS_TALK, 'Foo:Sandbox' ) ],
            [ 'File:Example.svg', NS_MAIN, 'en',
                new TitleValue( NS_FILE, 'Example.svg' ) ],
            [ 'File_talk:Example.svg', NS_MAIN, 'en',
                new TitleValue( NS_FILE_TALK, 'Example.svg' ) ],
            [ 'Foo/.../Sandbox', NS_MAIN, 'en',
                'Foo/.../Sandbox' ],
            [ 'Sandbox/...', NS_MAIN, 'en',
                'Sandbox/...' ],
            [ 'A~~', NS_MAIN, 'en',
                'A~~' ],
            // Length is 256 total, but only title part matters
            [ 'Category:' . str_repeat( 'x', 248 ), NS_MAIN, 'en',
                new TitleValue( NS_CATEGORY,
                    'X' . str_repeat( 'x', 247 ) ) ],
            [ 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 static function provideParseTitle_invalid() {
        // TODO: test unicode errors
 
        return [
            [ '#' ],
            [ '::' ],
            [ '::xx' ],
            [ '::##' ],
            [ ' :: x' ],
 
            [ 'Talk:File:Foo.jpg' ],
            [ 'Talk:localtestiw:Foo' ],
            [ '::1' ], // only valid in user namespace
            [ 'User::x' ], // leading ":" in a user name is only valid of IPv6 addresses
 
            // NOTE: cases copied from TitleTest::testSecureAndSplit. Keep in sync.
            [ '' ],
            [ ':' ],
            [ '__  __' ],
            [ '  __  ' ],
            // Bad characters forbidden regardless of wgLegalTitleChars
            [ 'A [ B' ],
            [ 'A ] B' ],
            [ 'A { B' ],
            [ 'A } B' ],
            [ 'A < B' ],
            [ 'A > B' ],
            [ 'A | B' ],
            // URL encoding
            [ 'A%20B' ],
            [ 'A%23B' ],
            [ '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.
            // [ 'A &eacute; B' ],
            // [ 'A &#233; B' ],
            // [ 'A &#x00E9; B' ],
            // Subject of NS_TALK does not roundtrip to NS_MAIN
            [ 'Talk:File:Example.svg' ],
            // Directory navigation
            [ '.' ],
            [ '..' ],
            [ './Sandbox' ],
            [ '../Sandbox' ],
            [ 'Foo/./Sandbox' ],
            [ 'Foo/../Sandbox' ],
            [ 'Sandbox/.' ],
            [ 'Sandbox/..' ],
            // Tilde
            [ 'A ~~~ Name' ],
            [ 'A ~~~~ Signature' ],
            [ 'A ~~~~~ Timestamp' ],
            [ str_repeat( 'x', 256 ) ],
            // Namespace prefix without actual title
            [ 'Talk:' ],
            [ 'Category: ' ],
            [ 'Category: #bar' ]
        ];
    }
 
    public function testParseTitle_invalid( $text ) {
        $this->setExpectedException( 'MalformedTitleException' );
 
        $codec = $this->makeCodec( 'en' );
        $codec->parseTitle( $text, NS_MAIN );
    }
 
    public static function provideGetNamespaceName() {
        return [
            [ NS_MAIN, 'Foo', 'en', '' ],
            [ NS_USER, 'Foo', 'en', 'User' ],
            [ NS_USER, 'Hansi Maier', 'de', 'Benutzer' ],
 
            // getGenderCache() provides a mock that considers first
            // names ending in "a" to be female.
            [ 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 );
    }
}