SpecialSearchTest.php

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<?php
use MediaWiki\MediaWikiServices;

class SpecialSearchTest extends MediaWikiTestCase {

    public function testProfileAndNamespaceLoading( $requested, $userOptions,
        $expectedProfile, $expectedNS, $message = 'Profile name and namespaces mismatches!'
    ) {
        $context = new RequestContext;
        $context->setUser(
            $this->newUserWithSearchNS( $userOptions )
        );
        /*
        $context->setRequest( new FauxRequest( array(
            'ns5'=>true,
            'ns6'=>true,
        ) ));
         */
        $context->setRequest( new FauxRequest( $requested ) );
        $search = new SpecialSearch();
        $search->setContext( $context );
        $search->load();

        $this->assertEquals(
            [ 
                'ProfileName' => $expectedProfile,
                'Namespaces' => $expectedNS,
            ],
            [ 
                'ProfileName' => $search->getProfile(),
                'Namespaces' => $search->getNamespaces(),
            ],
            $message
        );
    }

    public static function provideSearchOptionsTests() {
        $defaultNS = MediaWikiServices::getInstance()->getSearchEngineConfig()->defaultNamespaces();
        $EMPTY_REQUEST = [];
        $NO_USER_PREF = null;

        return [
            [
                $EMPTY_REQUEST, $NO_USER_PREF,
                'default', $defaultNS,
                'Bug 33270: No request nor user preferences should give default profile'
            ],
            [
                [ 'ns5' => 1 ], $NO_USER_PREF,
                'advanced', [ 5 ],
                'Web request with specific NS should override user preference'
            ],
            [
                $EMPTY_REQUEST, [
                'searchNs2' => 1,
                'searchNs14' => 1,
            ] + array_fill_keys( array_map( function ( $ns ) {
                return "searchNs$ns";
            }, $defaultNS ), 0 ),
                'advanced', [ 2, 14 ],
                'Bug 33583: search with no option should honor User search preferences'
                    . ' and have all other namespace disabled'
            ],
        ];
    }

    function newUserWithSearchNS( $opt = null ) {
        $u = User::newFromId( 0 );
        if ( $opt === null ) {
            return $u;
        }
        foreach ( $opt as $name => $value ) {
            $u->setOption( $name, $value );
        }

        return $u;
    }

    public function testSearchTermIsNotExpanded() {
        $this->setMwGlobals( [
            'wgSearchType' => null,
        ] );

        # Initialize [[Special::Search]]
        $search = new SpecialSearch();
        $search->getContext()->setTitle( Title::newFromText( 'Special:Search' ) );
        $search->load();

        # Simulate a user searching for a given term
        $term = '{{SITENAME}}';
        $search->showResults( $term );

        # Lookup the HTML page title set for that page
        $pageTitle = $search
            ->getContext()
            ->getOutput()
            ->getHTMLTitle();

        # Compare :-]
        $this->assertRegExp(
            '/' . preg_quote( $term, '/' ) . '/',
            $pageTitle,
            "Search term '{$term}' should not be expanded in Special:Search <title>"
        );
    }

    public function provideRewriteQueryWithSuggestion() {
        return [
            [
                'With suggestion and no rewritten query shows did you mean',
                '/Did you mean: <a[^>]+>first suggestion/',
                new SpecialSearchTestMockResultSet( 'first suggestion', null, [
                    SearchResult::newFromTitle( Title::newMainPage() ),
                ] ),
            ],

            [
                'With rewritten query informs user of change',
                '/Showing results for <a[^>]+>first suggestion/',
                new SpecialSearchTestMockResultSet( 'asdf', 'first suggestion', [
                    SearchResult::newFromTitle( Title::newMainPage() ),
                ] ),
            ],

            [
                'When both queries have no results user gets no results',
                '/There were no results matching the query/',
                new SpecialSearchTestMockResultSet( 'first suggestion', 'first suggestion', [] ),
            ],
        ];
    }

    public function testRewriteQueryWithSuggestion( $message, $expectRegex, $results ) {
        $mockSearchEngine = $this->mockSearchEngine( $results );
        $search = $this->getMockBuilder( 'SpecialSearch' )
            ->setMethods( [ 'getSearchEngine' ] )
            ->getMock();
        $search->expects( $this->any() )
            ->method( 'getSearchEngine' )
            ->will( $this->returnValue( $mockSearchEngine ) );

        $search->getContext()->setTitle( Title::makeTitle( NS_SPECIAL, 'Search' ) );
        $search->getContext()->setLanguage( Language::factory( 'en' ) );
        $search->load();
        $search->showResults( 'this is a fake search' );

        $html = $search->getContext()->getOutput()->getHTML();
        foreach ( (array)$expectRegex as $regex ) {
            $this->assertRegExp( $regex, $html, $message );
        }
    }

    protected function mockSearchEngine( $results ) {
        $mock = $this->getMockBuilder( 'SearchEngine' )
            ->setMethods( [ 'searchText', 'searchTitle' ] )
            ->getMock();

        $mock->expects( $this->any() )
            ->method( 'searchText' )
            ->will( $this->returnValue( $results ) );

        return $mock;
    }
}

class SpecialSearchTestMockResultSet extends SearchResultSet {
    protected $results;
    protected $suggestion;

    public function __construct(
        $suggestion = null,
        $rewrittenQuery = null,
        array $results = [],
        $containedSyntax = false
    ) {
        $this->suggestion = $suggestion;
        $this->rewrittenQuery = $rewrittenQuery;
        $this->results = $results;
        $this->containedSyntax = $containedSyntax;
    }

    public function numRows() {
        return count( $this->results );
    }

    public function getTotalHits() {
        return $this->numRows();
    }

    public function hasSuggestion() {
        return $this->suggestion !== null;
    }

    public function getSuggestionQuery() {
        return $this->suggestion;
    }

    public function getSuggestionSnippet() {
        return $this->suggestion;
    }

    public function hasRewrittenQuery() {
        return $this->rewrittenQuery !== null;
    }

    public function getQueryAfterRewrite() {
        return $this->rewrittenQuery;
    }

    public function getQueryAfterRewriteSnippet() {
        return htmlspecialchars( $this->rewrittenQuery );
    }
}