ApiQuerySiteinfoTest.php

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<?php
 
use MediaWiki\MediaWikiServices;
 
class ApiQuerySiteinfoTest extends ApiTestCase {
    // We don't try to test every single thing for every category, just a sample
 
    protected function doQuery( $siprop = null, $extraParams = [] ) {
        $params = [ 'action' => 'query', 'meta' => 'siteinfo' ];
        if ( $siprop !== null ) {
            $params['siprop'] = $siprop;
        }
        $params = array_merge( $params, $extraParams );
 
        $res = $this->doApiRequest( $params );
 
        $this->assertArrayNotHasKey( 'warnings', $res[0] );
        $this->assertCount( 1, $res[0]['query'] );
 
        return $res[0]['query'][$siprop === null ? 'general' : $siprop];
    }
 
    public function testGeneral() {
        $this->setMwGlobals( [
            'wgAllowExternalImagesFrom' => '//localhost/',
        ] );
 
        $data = $this->doQuery();
 
        $this->assertSame( Title::newMainPage()->getPrefixedText(), $data['mainpage'] );
        $this->assertSame( PHP_VERSION, $data['phpversion'] );
        $this->assertSame( [ '//localhost/' ], $data['externalimages'] );
    }
 
    public function testLinkPrefixCharset() {
        $contLang = Language::factory( 'ar' );
        $this->setContentLang( $contLang );
        $this->assertTrue( $contLang->linkPrefixExtension(), 'Sanity check' );
 
        $data = $this->doQuery();
 
        $this->assertSame( $contLang->linkPrefixCharset(), $data['linkprefixcharset'] );
    }
 
    public function testVariants() {
        $contLang = Language::factory( 'zh' );
        $this->setContentLang( $contLang );
        $this->assertTrue( $contLang->hasVariants(), 'Sanity check' );
 
        $data = $this->doQuery();
 
        $expected = array_map(
            function ( $code ) use ( $contLang ) {
                return [ 'code' => $code, 'name' => $contLang->getVariantname( $code ) ];
            },
            $contLang->getVariants()
        );
 
        $this->assertSame( $expected, $data['variants'] );
    }
 
    public function testReadOnly() {
        $svc = MediaWikiServices::getInstance()->getReadOnlyMode();
        $svc->setReason( 'Need more donations' );
        try {
            $data = $this->doQuery();
        } finally {
            $svc->setReason( false );
        }
 
        $this->assertTrue( $data['readonly'] );
        $this->assertSame( 'Need more donations', $data['readonlyreason'] );
    }
 
    public function testNamespaces() {
        $this->setMwGlobals( 'wgExtraNamespaces', [ '138' => 'Testing' ] );
 
        $this->assertSame(
            array_keys( MediaWikiServices::getInstance()->getContentLanguage()->getFormattedNamespaces() ),
            array_keys( $this->doQuery( 'namespaces' ) )
        );
    }
 
    public function testNamespaceAliases() {
        global $wgNamespaceAliases;
 
        $expected = array_merge(
            $wgNamespaceAliases,
            MediaWikiServices::getInstance()->getContentLanguage()->getNamespaceAliases()
        );
        $expected = array_map(
            function ( $key, $val ) {
                return [ 'id' => $val, 'alias' => strtr( $key, '_', ' ' ) ];
            },
            array_keys( $expected ),
            $expected
        );
 
        // Test that we don't list duplicates
        $this->mergeMwGlobalArrayValue( 'wgNamespaceAliases', [ 'Talk' => NS_TALK ] );
 
        $this->assertSame( $expected, $this->doQuery( 'namespacealiases' ) );
    }
 
    public function testSpecialPageAliases() {
        $this->assertCount(
            count( MediaWikiServices::getInstance()->getSpecialPageFactory()->getNames() ),
            $this->doQuery( 'specialpagealiases' )
        );
    }
 
    public function testMagicWords() {
        $this->assertCount(
            count( MediaWikiServices::getInstance()->getContentLanguage()->getMagicWords() ),
            $this->doQuery( 'magicwords' )
        );
    }
 
    public function testInterwikiMap( $filter ) {
        global $wgServer, $wgScriptPath;
 
        $dbw = wfGetDB( DB_MASTER );
        $dbw->insert(
            'interwiki',
            [
                [
                    'iw_prefix' => 'self',
                    'iw_url' => "$wgServer$wgScriptPath/index.php?title=$1",
                    'iw_api' => "$wgServer$wgScriptPath/api.php",
                    'iw_wikiid' => 'somedbname',
                    'iw_local' => true,
                    'iw_trans' => true,
                ],
                [
                    'iw_prefix' => 'foreign',
                    'iw_url' => '//foreign.example/wiki/$1',
                    'iw_api' => '',
                    'iw_wikiid' => '',
                    'iw_local' => false,
                    'iw_trans' => false,
                ],
            ],
            __METHOD__,
            'IGNORE'
        );
        $this->tablesUsed[] = 'interwiki';
 
        $this->setMwGlobals( [
            'wgLocalInterwikis' => [ 'self' ],
            'wgExtraInterlanguageLinkPrefixes' => [ 'self' ],
            'wgExtraLanguageNames' => [ 'self' => 'Recursion' ],
        ] );
 
        MessageCache::singleton()->enable();
 
        $this->editPage( 'MediaWiki:Interlanguage-link-self', 'Self!' );
        $this->editPage( 'MediaWiki:Interlanguage-link-sitename-self', 'Circular logic' );
 
        $expected = [];
 
        if ( $filter === null || $filter === '!local' ) {
            $expected[] = [
                'prefix' => 'foreign',
                'url' => wfExpandUrl( '//foreign.example/wiki/$1', PROTO_CURRENT ),
                'protorel' => true,
            ];
        }
        if ( $filter === null || $filter === 'local' ) {
            $expected[] = [
                'prefix' => 'self',
                'local' => true,
                'trans' => true,
                'language' => 'Recursion',
                'localinterwiki' => true,
                'extralanglink' => true,
                'linktext' => 'Self!',
                'sitename' => 'Circular logic',
                'url' => "$wgServer$wgScriptPath/index.php?title=$1",
                'protorel' => false,
                'wikiid' => 'somedbname',
                'api' => "$wgServer$wgScriptPath/api.php",
            ];
        }
 
        $data = $this->doQuery( 'interwikimap',
            $filter === null ? [] : [ 'sifilteriw' => $filter ] );
 
        $this->assertSame( $expected, $data );
    }
 
    public function interwikiMapProvider() {
        return [ [ 'local' ], [ '!local' ], [ null ] ];
    }
 
    public function testDbReplLagInfo( $showHostnames, $includeAll ) {
        if ( !$showHostnames && $includeAll ) {
            $this->setExpectedApiException( 'apierror-siteinfo-includealldenied' );
        }
 
        $mockLB = $this->getMockBuilder( LoadBalancer::class )
            ->disableOriginalConstructor()
            ->setMethods( [ 'getMaxLag', 'getLagTimes', 'getServerName', '__destruct' ] )
            ->getMock();
        $mockLB->method( 'getMaxLag' )->willReturn( [ null, 7, 1 ] );
        $mockLB->method( 'getLagTimes' )->willReturn( [ 5, 7 ] );
        $mockLB->method( 'getServerName' )->will( $this->returnValueMap( [
            [ 0, 'apple' ], [ 1, 'carrot' ]
        ] ) );
        $this->setService( 'DBLoadBalancer', $mockLB );
 
        $this->setMwGlobals( 'wgShowHostnames', $showHostnames );
 
        $expected = [];
        if ( $includeAll ) {
            $expected[] = [ 'host' => $showHostnames ? 'apple' : '', 'lag' => 5 ];
        }
        $expected[] = [ 'host' => $showHostnames ? 'carrot' : '', 'lag' => 7 ];
 
        $data = $this->doQuery( 'dbrepllag', $includeAll ? [ 'sishowalldb' => '' ] : [] );
 
        $this->assertSame( $expected, $data );
    }
 
    public function dbReplLagProvider() {
        return [
            'no hostnames, no showalldb' => [ false, false ],
            'no hostnames, showalldb' => [ false, true ],
            'hostnames, no showalldb' => [ true, false ],
            'hostnames, showalldb' => [ true, true ]
        ];
    }
 
    public function testStatistics() {
        $this->setTemporaryHook( 'APIQuerySiteInfoStatisticsInfo',
            function ( &$data ) {
                $data['addedstats'] = 42;
            }
        );
 
        $expected = [
            'pages' => intval( SiteStats::pages() ),
            'articles' => intval( SiteStats::articles() ),
            'edits' => intval( SiteStats::edits() ),
            'images' => intval( SiteStats::images() ),
            'users' => intval( SiteStats::users() ),
            'activeusers' => intval( SiteStats::activeUsers() ),
            'admins' => intval( SiteStats::numberingroup( 'sysop' ) ),
            'jobs' => intval( SiteStats::jobs() ),
            'addedstats' => 42,
        ];
 
        $this->assertSame( $expected, $this->doQuery( 'statistics' ) );
    }
 
    public function testUserGroups( $numInGroup ) {
        global $wgGroupPermissions, $wgAutopromote;
 
        $this->setGroupPermissions( 'viscount', 'perambulate', 'yes' );
        $this->setGroupPermissions( 'viscount', 'legislate', '0' );
        $this->setMwGlobals( [
            'wgAddGroups' => [ 'viscount' => true, 'bot' => [] ],
            'wgRemoveGroups' => [ 'viscount' => [ 'sysop' ], 'bot' => [ '*', 'earl' ] ],
            'wgGroupsAddToSelf' => [ 'bot' => [ 'bureaucrat', 'sysop' ] ],
            'wgGroupsRemoveFromSelf' => [ 'bot' => [ 'bot' ] ],
        ] );
 
        $data = $this->doQuery( 'usergroups', $numInGroup ? [ 'sinumberingroup' => '' ] : [] );
 
        $names = array_map(
            function ( $val ) {
                return $val['name'];
            },
            $data
        );
 
        $this->assertSame( array_keys( $wgGroupPermissions ), $names );
 
        foreach ( $data as $val ) {
            if ( !$numInGroup ) {
                $expectedSize = null;
            } elseif ( $val['name'] === 'user' ) {
                $expectedSize = SiteStats::users();
            } elseif ( $val['name'] === '*' || isset( $wgAutopromote[$val['name']] ) ) {
                $expectedSize = null;
            } else {
                $expectedSize = SiteStats::numberingroup( $val['name'] );
            }
 
            if ( $expectedSize === null ) {
                $this->assertArrayNotHasKey( 'number', $val );
            } else {
                $this->assertSame( $expectedSize, $val['number'] );
            }
 
            if ( $val['name'] === 'viscount' ) {
                $viscountFound = true;
                $this->assertSame( [ 'perambulate' ], $val['rights'] );
                $this->assertSame( User::getAllGroups(), $val['add'] );
            } elseif ( $val['name'] === 'bot' ) {
                $this->assertArrayNotHasKey( 'add', $val );
                $this->assertArrayNotHasKey( 'remove', $val );
                $this->assertSame( [ 'bureaucrat', 'sysop' ], $val['add-self'] );
                $this->assertSame( [ 'bot' ], $val['remove-self'] );
            }
        }
    }
 
    public function testFileExtensions() {
        global $wgFileExtensions;
 
        // Add duplicate
        $this->setMwGlobals( 'wgFileExtensions', array_merge( $wgFileExtensions, [ 'png' ] ) );
 
        $expected = array_map(
            function ( $val ) {
                return [ 'ext' => $val ];
            },
            array_unique( $wgFileExtensions )
        );
 
        $this->assertSame( $expected, $this->doQuery( 'fileextensions' ) );
    }
 
    public function groupsProvider() {
        return [
            'numingroup' => [ true ],
            'nonumingroup' => [ false ],
        ];
    }
 
    public function testInstalledLibraries() {
        // @todo Test no installed.json?  Moving installed.json to a different name temporarily
        // seems a bit scary, but I don't see any other way to do it.
        //
        // @todo Install extensions/skins somehow so that we can test they're filtered out
        global $IP;
 
        $path = "$IP/vendor/composer/installed.json";
        if ( !file_exists( $path ) ) {
            $this->markTestSkipped( 'No installed libraries' );
        }
 
        $expected = ( new ComposerInstalled( $path ) )->getInstalledDependencies();
 
        $expected = array_filter( $expected,
            function ( $info ) {
                return strpos( $info['type'], 'mediawiki-' ) !== 0;
            }
        );
 
        $expected = array_map(
            function ( $name, $info ) {
                return [ 'name' => $name, 'version' => $info['version'] ];
            },
            array_keys( $expected ),
            array_values( $expected )
        );
 
        $this->assertSame( $expected, $this->doQuery( 'libraries' ) );
    }
 
    public function testExtensions() {
        $tmpdir = $this->getNewTempDirectory();
        touch( "$tmpdir/ErsatzExtension.php" );
        touch( "$tmpdir/LICENSE" );
        touch( "$tmpdir/AUTHORS.txt" );
 
        $val = [
            'path' => "$tmpdir/ErsatzExtension.php",
            'name' => 'Ersatz Extension',
            'namemsg' => 'ersatz-extension-name',
            'author' => 'John Smith',
            'version' => '0.0.2',
            'url' => 'https://www.example.com/software/ersatz-extension',
            'description' => 'An extension that is not what it seems.',
            'descriptionmsg' => 'ersatz-extension-desc',
            'license-name' => 'PD',
        ];
 
        $this->setMwGlobals( 'wgExtensionCredits', [ 'api' => [
            $val,
            [
                'author' => [ 'John Smith', 'John Smith Jr.', '...' ],
                'descriptionmsg' => [ 'another-extension-desc', 'param' ] ],
        ] ] );
 
        $data = $this->doQuery( 'extensions' );
 
        $this->assertCount( 2, $data );
 
        $this->assertSame( 'api', $data[0]['type'] );
 
        $sharedKeys = [ 'name', 'namemsg', 'description', 'descriptionmsg', 'author', 'url',
            'version', 'license-name' ];
        foreach ( $sharedKeys as $key ) {
            $this->assertSame( $val[$key], $data[0][$key] );
        }
 
        // @todo Test git info
 
        $this->assertSame(
            Title::newFromText( 'Special:Version/License/Ersatz Extension' )->getLinkURL(),
            $data[0]['license']
        );
 
        $this->assertSame(
            Title::newFromText( 'Special:Version/Credits/Ersatz Extension' )->getLinkURL(),
            $data[0]['credits']
        );
 
        $this->assertSame( 'another-extension-desc', $data[1]['descriptionmsg'] );
        $this->assertSame( [ 'param' ], $data[1]['descriptionmsgparams'] );
        $this->assertSame( 'John Smith, John Smith Jr., ...', $data[1]['author'] );
    }
 
    public function testRightsInfo( $page, $url, $text, $expectedUrl, $expectedText ) {
        $this->setMwGlobals( [
            'wgRightsPage' => $page,
            'wgRightsUrl' => $url,
            'wgRightsText' => $text,
        ] );
 
        $this->assertSame(
            [ 'url' => $expectedUrl, 'text' => $expectedText ],
            $this->doQuery( 'rightsinfo' )
        );
    }
 
    public function rightsInfoProvider() {
        $textUrl = wfExpandUrl( Title::newFromText( 'License' ), PROTO_CURRENT );
        $url = 'http://license.example/';
 
        return [
            'No rights info' => [ null, null, null, '', '' ],
            'Only page' => [ 'License', null, null, $textUrl, 'License' ],
            'Only URL' => [ null, $url, null, $url, '' ],
            'Only text' => [ null, null, '!!!', '', '!!!' ],
            // URL is ignored if page is specified
            'Page and URL' => [ 'License', $url, null, $textUrl, 'License' ],
            'URL and text' => [ null, $url, '!!!', $url, '!!!' ],
            'Page and text' => [ 'License', null, '!!!', $textUrl, '!!!' ],
            'Page and URL and text' => [ 'License', $url, '!!!', $textUrl, '!!!' ],
            'Pagename "0"' => [ '0', null, null,
                wfExpandUrl( Title::newFromText( '0' ), PROTO_CURRENT ), '0' ],
            'URL "0"' => [ null, '0', null, '0', '' ],
            'Text "0"' => [ null, null, '0', '', '0' ],
        ];
    }
 
    public function testRestrictions() {
        global $wgRestrictionTypes, $wgRestrictionLevels, $wgCascadingRestrictionLevels,
            $wgSemiprotectedRestrictionLevels;
 
        $this->assertSame( [
            'types' => $wgRestrictionTypes,
            'levels' => $wgRestrictionLevels,
            'cascadinglevels' => $wgCascadingRestrictionLevels,
            'semiprotectedlevels' => $wgSemiprotectedRestrictionLevels,
        ], $this->doQuery( 'restrictions' ) );
    }
 
    public function testLanguages( $langCode ) {
        $expected = Language::fetchLanguageNames( (string)$langCode );
 
        $expected = array_map(
            function ( $code, $name ) {
                return [
                    'code' => $code,
                    'bcp47' => LanguageCode::bcp47( $code ),
                    'name' => $name
                ];
            },
            array_keys( $expected ),
            array_values( $expected )
        );
 
        $data = $this->doQuery( 'languages',
            $langCode !== null ? [ 'siinlanguagecode' => $langCode ] : [] );
 
        $this->assertSame( $expected, $data );
    }
 
    public function languagesProvider() {
        return [ [ null ], [ 'fr' ] ];
    }
 
    public function testLanguageVariants() {
        $expectedKeys = array_filter( LanguageConverter::$languagesWithVariants,
            function ( $langCode ) {
                return !Language::factory( $langCode )->getConverter() instanceof FakeConverter;
            }
        );
        sort( $expectedKeys );
 
        $this->assertSame( $expectedKeys, array_keys( $this->doQuery( 'languagevariants' ) ) );
    }
 
    public function testLanguageVariantsDisabled() {
        $this->setMwGlobals( 'wgDisableLangConversion', true );
 
        $this->assertSame( [], $this->doQuery( 'languagevariants' ) );
    }
 
    public function testSkins( $code ) {
        $data = $this->doQuery( 'skins', $code !== null ? [ 'siinlanguagecode' => $code ] : [] );
 
        $expectedAllowed = Skin::getAllowedSkins();
        $expectedDefault = Skin::normalizeKey( 'default' );
 
        $i = 0;
        foreach ( Skin::getSkinNames() as $name => $displayName ) {
            $this->assertSame( $name, $data[$i]['code'] );
 
            $msg = wfMessage( "skinname-$name" );
            if ( $code && Language::isValidCode( $code ) ) {
                $msg->inLanguage( $code );
            } else {
                $msg->inContentLanguage();
            }
            if ( $msg->exists() ) {
                $displayName = $msg->text();
            }
            $this->assertSame( $displayName, $data[$i]['name'] );
 
            if ( !isset( $expectedAllowed[$name] ) ) {
                $this->assertTrue( $data[$i]['unusable'], "$name must be unusable" );
            }
            if ( $name === $expectedDefault ) {
                $this->assertTrue( $data[$i]['default'], "$expectedDefault must be default" );
            }
            $i++;
        }
    }
 
    public function skinsProvider() {
        return [
            'No language specified' => [ null ],
            'Czech' => [ 'cs' ],
            'Invalid language' => [ '/invalid/' ],
        ];
    }
 
    public function testExtensionTags() {
        global $wgParser;
 
        $expected = array_map(
            function ( $tag ) {
                return "<$tag>";
            },
            $wgParser->getTags()
        );
 
        $this->assertSame( $expected, $this->doQuery( 'extensiontags' ) );
    }
 
    public function testFunctionHooks() {
        global $wgParser;
 
        $this->assertSame( $wgParser->getFunctionHooks(), $this->doQuery( 'functionhooks' ) );
    }
 
    public function testVariables() {
        $this->assertSame(
            MediaWikiServices::getInstance()->getMagicWordFactory()->getVariableIDs(),
            $this->doQuery( 'variables' )
        );
    }
 
    public function testProtocols() {
        global $wgUrlProtocols;
 
        $this->assertSame( $wgUrlProtocols, $this->doQuery( 'protocols' ) );
    }
 
    public function testDefaultOptions() {
        $this->assertSame( User::getDefaultOptions(), $this->doQuery( 'defaultoptions' ) );
    }
 
    public function testUploadDialog() {
        global $wgUploadDialog;
 
        $this->assertSame( $wgUploadDialog, $this->doQuery( 'uploaddialog' ) );
    }
 
    public function testGetHooks() {
        global $wgHooks;
 
        // Make sure there's something to report on
        $this->setTemporaryHook( 'somehook',
            function () {
                return;
            }
        );
 
        $expectedNames = $wgHooks;
        ksort( $expectedNames );
 
        $actualNames = array_map(
            function ( $val ) {
                return $val['name'];
            },
            $this->doQuery( 'showhooks' )
        );
 
        $this->assertSame( array_keys( $expectedNames ), $actualNames );
    }
 
    public function testContinuation() {
        // We make lots and lots of URL protocols that are each 100 bytes
        global $wgAPIMaxResultSize, $wgUrlProtocols;
 
        $this->setMwGlobals( 'wgUrlProtocols', [] );
 
        // Just under the limit
        $chunks = $wgAPIMaxResultSize / 100 - 1;
 
        for ( $i = 0; $i < $chunks; $i++ ) {
            $wgUrlProtocols[] = substr( str_repeat( "$i ", 50 ), 0, 100 );
        }
 
        $res = $this->doApiRequest( [
            'action' => 'query',
            'meta' => 'siteinfo',
            'siprop' => 'protocols|languages',
        ] );
 
        $this->assertSame(
            wfMessage( 'apiwarn-truncatedresult', Message::numParam( $wgAPIMaxResultSize ) )
                ->text(),
            $res[0]['warnings']['result']['warnings']
        );
 
        $this->assertSame( $wgUrlProtocols, $res[0]['query']['protocols'] );
        $this->assertArrayNotHasKey( 'languages', $res[0] );
        $this->assertTrue( $res[0]['batchcomplete'], 'batchcomplete should be true' );
        $this->assertSame( [ 'siprop' => 'languages', 'continue' => '-||' ], $res[0]['continue'] );
    }
}