LinkerTest.php

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<?php
 
class LinkerTest extends MediaWikiLangTestCase {
 
    public function testUserLink( $expected, $userId, $userName, $altUserName = false, $msg = '' ) {
        $this->setMwGlobals( [
            'wgArticlePath' => '/wiki/$1',
        ] );
 
        $this->assertEquals(
            $expected,
            Linker::userLink( $userId, $userName, $altUserName ),
            $msg
        );
    }
 
    public static function provideCasesForUserLink() {
        # Format:
        # - expected
        # - userid
        # - username
        # - optional altUserName
        # - optional message
        return [
 
            # ## ANONYMOUS USER ########################################
            [
                '<a href="/wiki/Special:Contributions/JohnDoe" '
                    . 'class="mw-userlink mw-anonuserlink" '
                    . 'title="Special:Contributions/JohnDoe"><bdi>JohnDoe</bdi></a>',
                0, 'JohnDoe', false,
            ],
            [
                '<a href="/wiki/Special:Contributions/::1" '
                    . 'class="mw-userlink mw-anonuserlink" '
                    . 'title="Special:Contributions/::1"><bdi>::1</bdi></a>',
                0, '::1', false,
                'Anonymous with pretty IPv6'
            ],
            [
                '<a href="/wiki/Special:Contributions/0:0:0:0:0:0:0:1" '
                    . 'class="mw-userlink mw-anonuserlink" '
                    . 'title="Special:Contributions/0:0:0:0:0:0:0:1"><bdi>::1</bdi></a>',
                0, '0:0:0:0:0:0:0:1', false,
                'Anonymous with almost pretty IPv6'
            ],
            [
                '<a href="/wiki/Special:Contributions/0000:0000:0000:0000:0000:0000:0000:0001" '
                    . 'class="mw-userlink mw-anonuserlink" '
                    . 'title="Special:Contributions/0000:0000:0000:0000:0000:0000:0000:0001"><bdi>::1</bdi></a>',
                0, '0000:0000:0000:0000:0000:0000:0000:0001', false,
                'Anonymous with full IPv6'
            ],
            [
                '<a href="/wiki/Special:Contributions/::1" '
                    . 'class="mw-userlink mw-anonuserlink" '
                    . 'title="Special:Contributions/::1"><bdi>AlternativeUsername</bdi></a>',
                0, '::1', 'AlternativeUsername',
                'Anonymous with pretty IPv6 and an alternative username'
            ],
 
            # IPV4
            [
                '<a href="/wiki/Special:Contributions/127.0.0.1" '
                    . 'class="mw-userlink mw-anonuserlink" '
                    . 'title="Special:Contributions/127.0.0.1"><bdi>127.0.0.1</bdi></a>',
                0, '127.0.0.1', false,
                'Anonymous with IPv4'
            ],
            [
                '<a href="/wiki/Special:Contributions/127.0.0.1" '
                    . 'class="mw-userlink mw-anonuserlink" '
                    . 'title="Special:Contributions/127.0.0.1"><bdi>AlternativeUsername</bdi></a>',
                0, '127.0.0.1', 'AlternativeUsername',
                'Anonymous with IPv4 and an alternative username'
            ],
 
            # ## Regular user ##########################################
            # TODO!
        ];
    }
 
    public function testFormatComment(
        $expected, $comment, $title = false, $local = false, $wikiId = null
    ) {
        $conf = new SiteConfiguration();
        $conf->settings = [
            'wgServer' => [
                'enwiki' => '//en.example.org',
                'dewiki' => '//de.example.org',
            ],
            'wgArticlePath' => [
                'enwiki' => '/w/$1',
                'dewiki' => '/w/$1',
            ],
        ];
        $conf->suffixes = [ 'wiki' ];
 
        $this->setMwGlobals( [
            'wgScript' => '/wiki/index.php',
            'wgArticlePath' => '/wiki/$1',
            'wgCapitalLinks' => true,
            'wgConf' => $conf,
        ] );
 
        if ( $title === false ) {
            // We need a page title that exists
            $title = Title::newFromText( 'Special:BlankPage' );
        }
 
        $this->assertEquals(
            $expected,
            Linker::formatComment( $comment, $title, $local, $wikiId )
        );
    }
 
    public function provideCasesForFormatComment() {
        $wikiId = 'enwiki'; // $wgConf has a fake entry for this
 
        // phpcs:disable Generic.Files.LineLength
        return [
            // Linker::formatComment
            [
                'a&lt;script&gt;b',
                'a<script>b',
            ],
            [
                'a—b',
                'a&mdash;b',
            ],
            [
                "&#039;&#039;&#039;not bolded&#039;&#039;&#039;",
                "'''not bolded'''",
            ],
            [
                "try &lt;script&gt;evil&lt;/scipt&gt; things",
                "try <script>evil</scipt> things",
            ],
            // Linker::formatAutocomments
            [
                '<span dir="auto"><span class="autocomment"><a href="/wiki/Special:BlankPage#autocomment" title="Special:BlankPage">→‎autocomment</a></span></span>',
                "/* autocomment */",
            ],
            [
                '<span dir="auto"><span class="autocomment"><a href="/wiki/Special:BlankPage#linkie.3F" title="Special:BlankPage">→‎&#91;[linkie?]]</a></span></span>',
                "/* [[linkie?]] */",
            ],
            [
                '<span dir="auto"><span class="autocomment"><a href="/wiki/Special:BlankPage#autocomment" title="Special:BlankPage">→‎autocomment</a>: </span> post</span>',
                "/* autocomment */ post",
            ],
            [
                'pre <span dir="auto"><span class="autocomment"><a href="/wiki/Special:BlankPage#autocomment" title="Special:BlankPage">→‎autocomment</a></span></span>',
                "pre /* autocomment */",
            ],
            [
                'pre <span dir="auto"><span class="autocomment"><a href="/wiki/Special:BlankPage#autocomment" title="Special:BlankPage">→‎autocomment</a>: </span> post</span>',
                "pre /* autocomment */ post",
            ],
            [
                '<span dir="auto"><span class="autocomment"><a href="/wiki/Special:BlankPage#autocomment" title="Special:BlankPage">→‎autocomment</a>: </span> multiple? <span dir="auto"><span class="autocomment"><a href="/wiki/Special:BlankPage#autocomment2" title="Special:BlankPage">→‎autocomment2</a></span></span></span>',
                "/* autocomment */ multiple? /* autocomment2 */",
            ],
            [
                '<span dir="auto"><span class="autocomment"><a href="/wiki/Special:BlankPage#autocomment_containing_.2F.2A" title="Special:BlankPage">→‎autocomment containing /*</a>: </span> T70361</span>',
                "/* autocomment containing /* */ T70361"
            ],
            [
                '<span dir="auto"><span class="autocomment"><a href="/wiki/Special:BlankPage#autocomment_containing_.22quotes.22" title="Special:BlankPage">→‎autocomment containing &quot;quotes&quot;</a></span></span>',
                "/* autocomment containing \"quotes\" */"
            ],
            [
                '<span dir="auto"><span class="autocomment"><a href="/wiki/Special:BlankPage#autocomment_containing_.3Cscript.3Etags.3C.2Fscript.3E" title="Special:BlankPage">→‎autocomment containing &lt;script&gt;tags&lt;/script&gt;</a></span></span>',
                "/* autocomment containing <script>tags</script> */"
            ],
            [
                '<span dir="auto"><span class="autocomment"><a href="#autocomment">→‎autocomment</a></span></span>',
                "/* autocomment */",
                false, true
            ],
            [
                '<span dir="auto"><span class="autocomment">autocomment</span></span>',
                "/* autocomment */",
                null
            ],
            [
                '<span dir="auto"><span class="autocomment"><a href="/wiki/Special:BlankPage#autocomment" title="Special:BlankPage">→‎autocomment</a></span></span>',
                "/* autocomment */",
                false, false
            ],
            [
                '<span dir="auto"><span class="autocomment"><a class="external" rel="nofollow" href="//en.example.org/w/Special:BlankPage#autocomment">→‎autocomment</a></span></span>',
                "/* autocomment */",
                false, false, $wikiId
            ],
            // Linker::formatLinksInComment
            [
                'abc <a href="/wiki/index.php?title=Link&amp;action=edit&amp;redlink=1" class="new" title="Link (page does not exist)">link</a> def',
                "abc [[link]] def",
            ],
            [
                'abc <a href="/wiki/index.php?title=Link&amp;action=edit&amp;redlink=1" class="new" title="Link (page does not exist)">text</a> def',
                "abc [[link|text]] def",
            ],
            [
                'abc <a href="/wiki/Special:BlankPage" title="Special:BlankPage">Special:BlankPage</a> def',
                "abc [[Special:BlankPage|]] def",
            ],
            [
                'abc <a href="/wiki/index.php?title=%C4%84%C5%9B%C5%BC&amp;action=edit&amp;redlink=1" class="new" title="Ąśż (page does not exist)">ąśż</a> def',
                "abc [[%C4%85%C5%9B%C5%BC]] def",
            ],
            [
                'abc <a href="/wiki/Special:BlankPage#section" title="Special:BlankPage">#section</a> def',
                "abc [[#section]] def",
            ],
            [
                'abc <a href="/wiki/index.php?title=/subpage&amp;action=edit&amp;redlink=1" class="new" title="/subpage (page does not exist)">/subpage</a> def',
                "abc [[/subpage]] def",
            ],
            [
                'abc <a href="/wiki/index.php?title=%22evil!%22&amp;action=edit&amp;redlink=1" class="new" title="&quot;evil!&quot; (page does not exist)">&quot;evil!&quot;</a> def',
                "abc [[\"evil!\"]] def",
            ],
            [
                'abc [[&lt;script&gt;very evil&lt;/script&gt;]] def',
                "abc [[<script>very evil</script>]] def",
            ],
            [
                'abc [[|]] def',
                "abc [[|]] def",
            ],
            [
                'abc <a href="/wiki/index.php?title=Link&amp;action=edit&amp;redlink=1" class="new" title="Link (page does not exist)">link</a> def',
                "abc [[link]] def",
                false, false
            ],
            [
                'abc <a class="external" rel="nofollow" href="//en.example.org/w/Link">link</a> def',
                "abc [[link]] def",
                false, false, $wikiId
            ],
        ];
        // phpcs:enable
    }
 
    public function testFormatLinksInComment( $expected, $input, $wiki ) {
        $conf = new SiteConfiguration();
        $conf->settings = [
            'wgServer' => [
                'enwiki' => '//en.example.org'
            ],
            'wgArticlePath' => [
                'enwiki' => '/w/$1',
            ],
        ];
        $conf->suffixes = [ 'wiki' ];
        $this->setMwGlobals( [
            'wgScript' => '/wiki/index.php',
            'wgArticlePath' => '/wiki/$1',
            'wgCapitalLinks' => true,
            'wgConf' => $conf,
        ] );
 
        $this->assertEquals(
            $expected,
            Linker::formatLinksInComment( $input, Title::newFromText( 'Special:BlankPage' ), false, $wiki )
        );
    }
 
    public function testGenerateRollback( $rollbackEnabled, $expectedModules ) {
        $this->markTestSkippedIfDbType( 'postgres' );
 
        $context = RequestContext::getMain();
        $user = $context->getUser();
        $user->setOption( 'showrollbackconfirmation', $rollbackEnabled );
 
        $pageData = $this->insertPage( 'Rollback_Test_Page' );
        $page = WikiPage::factory( $pageData['title'] );
 
        $updater = $page->newPageUpdater( $user );
        $updater->setContent( \MediaWiki\Revision\SlotRecord::MAIN,
            new TextContent( 'Technical Wishes 123!' )
        );
        $summary = CommentStoreComment::newUnsavedComment( 'Some comment!' );
        $updater->saveRevision( $summary );
 
        $rollbackOutput = Linker::generateRollback( $page->getRevision(), $context );
        $modules = $context->getOutput()->getModules();
 
        $this->assertEquals( $expectedModules, $modules );
        $this->assertContains( 'rollback 1 edit', $rollbackOutput );
    }
 
    public static function provideCasesForRollbackGeneration() {
        return [
            [
                true,
                [ 'mediawiki.page.rollback.confirmation' ]
 
            ],
            [
                false,
                []
            ]
        ];
    }
 
    public static function provideCasesForFormatLinksInComment() {
        // phpcs:disable Generic.Files.LineLength
        return [
            [
                'foo bar <a href="/wiki/Special:BlankPage" title="Special:BlankPage">Special:BlankPage</a>',
                'foo bar [[Special:BlankPage]]',
                null,
            ],
            [
                '<a href="/wiki/Special:BlankPage" title="Special:BlankPage">Special:BlankPage</a>',
                '[[ :Special:BlankPage]]',
                null,
            ],
            [
                '<a class="external" rel="nofollow" href="//en.example.org/w/Foo%27bar">Foo\'bar</a>',
                "[[Foo'bar]]",
                'enwiki',
            ],
            [
                'foo bar <a class="external" rel="nofollow" href="//en.example.org/w/Special:BlankPage">Special:BlankPage</a>',
                'foo bar [[Special:BlankPage]]',
                'enwiki',
            ],
            [
                'foo bar <a class="external" rel="nofollow" href="//en.example.org/w/File:Example">Image:Example</a>',
                'foo bar [[Image:Example]]',
                'enwiki',
            ],
        ];
        // phpcs:enable
    }
 
    public static function provideLinkBeginHook() {
        // phpcs:disable Generic.Files.LineLength
        return [
            // Modify $html
            [
                function ( $dummy, $title, &$html, &$attribs, &$query, &$options, &$ret ) {
                    $html = 'foobar';
                },
                '<a href="/wiki/Special:BlankPage" title="Special:BlankPage">foobar</a>'
            ],
            // Modify $attribs
            [
                function ( $dummy, $title, &$html, &$attribs, &$query, &$options, &$ret ) {
                    $attribs['bar'] = 'baz';
                },
                '<a href="/wiki/Special:BlankPage" title="Special:BlankPage" bar="baz">Special:BlankPage</a>'
            ],
            // Modify $query
            [
                function ( $dummy, $title, &$html, &$attribs, &$query, &$options, &$ret ) {
                    $query['bar'] = 'baz';
                },
                '<a href="/w/index.php?title=Special:BlankPage&amp;bar=baz" title="Special:BlankPage">Special:BlankPage</a>'
            ],
            // Force HTTP $options
            [
                function ( $dummy, $title, &$html, &$attribs, &$query, &$options, &$ret ) {
                    $options = [ 'http' ];
                },
                '<a href="http://example.org/wiki/Special:BlankPage" title="Special:BlankPage">Special:BlankPage</a>'
            ],
            // Force 'forcearticlepath' in $options
            [
                function ( $dummy, $title, &$html, &$attribs, &$query, &$options, &$ret ) {
                    $options = [ 'forcearticlepath' ];
                    $query['foo'] = 'bar';
                },
                '<a href="/wiki/Special:BlankPage?foo=bar" title="Special:BlankPage">Special:BlankPage</a>'
            ],
            // Abort early
            [
                function ( $dummy, $title, &$html, &$attribs, &$query, &$options, &$ret ) {
                    $ret = 'foobar';
                    return false;
                },
                'foobar'
            ],
        ];
        // phpcs:enable
    }
 
    public function testLinkBeginHook( $callback, $expected ) {
        $this->hideDeprecated( 'LinkBegin hook (used in hook-LinkBegin-closure)' );
        $this->setMwGlobals( [
            'wgArticlePath' => '/wiki/$1',
            'wgServer' => '//example.org',
            'wgCanonicalServer' => 'http://example.org',
            'wgScriptPath' => '/w',
            'wgScript' => '/w/index.php',
        ] );
 
        $this->setMwGlobals( 'wgHooks', [ 'LinkBegin' => [ $callback ] ] );
        $title = SpecialPage::getTitleFor( 'Blankpage' );
        $out = Linker::link( $title );
        $this->assertEquals( $expected, $out );
    }
 
    public static function provideLinkEndHook() {
        return [
            // Override $html
            [
                function ( $dummy, $title, $options, &$html, &$attribs, &$ret ) {
                    $html = 'foobar';
                },
                '<a href="/wiki/Special:BlankPage" title="Special:BlankPage">foobar</a>'
            ],
            // Modify $attribs
            [
                function ( $dummy, $title, $options, &$html, &$attribs, &$ret ) {
                    $attribs['bar'] = 'baz';
                },
                '<a href="/wiki/Special:BlankPage" title="Special:BlankPage" bar="baz">Special:BlankPage</a>'
            ],
            // Fully override return value and abort hook
            [
                function ( $dummy, $title, $options, &$html, &$attribs, &$ret ) {
                    $ret = 'blahblahblah';
                    return false;
                },
                'blahblahblah'
            ],
 
        ];
    }
 
    public function testLinkEndHook( $callback, $expected ) {
        $this->hideDeprecated( 'LinkEnd hook (used in hook-LinkEnd-closure)' );
        $this->setMwGlobals( [
            'wgArticlePath' => '/wiki/$1',
        ] );
 
        $this->setMwGlobals( 'wgHooks', [ 'LinkEnd' => [ $callback ] ] );
 
        $title = SpecialPage::getTitleFor( 'Blankpage' );
        $out = Linker::link( $title );
        $this->assertEquals( $expected, $out );
    }
}