ParserOptionsTest.php

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<?php
 
use Wikimedia\TestingAccessWrapper;
use Wikimedia\ScopedCallback;
 
class ParserOptionsTest extends MediaWikiTestCase {
 
    private static function clearCache() {
        $wrap = TestingAccessWrapper::newFromClass( ParserOptions::class );
        $wrap->defaults = null;
        $wrap->lazyOptions = [
            'dateformat' => [ ParserOptions::class, 'initDateFormat' ],
        ];
        $wrap->inCacheKey = [
            'dateformat' => true,
            'numberheadings' => true,
            'thumbsize' => true,
            'stubthreshold' => true,
            'printable' => true,
            'userlang' => true,
        ];
    }
 
    protected function setUp() {
        global $wgHooks;
 
        parent::setUp();
        self::clearCache();
 
        $this->setMwGlobals( [
            'wgRenderHashAppend' => '',
            'wgHooks' => [
                'PageRenderingHash' => [],
            ] + $wgHooks,
        ] );
    }
 
    protected function tearDown() {
        self::clearCache();
        parent::tearDown();
    }
 
    public function testIsSafeToCache( $expect, $options ) {
        $popt = ParserOptions::newCanonical();
        foreach ( $options as $name => $value ) {
            $popt->setOption( $name, $value );
        }
        $this->assertSame( $expect, $popt->isSafeToCache() );
    }
 
    public static function provideIsSafeToCache() {
        return [
            'No overrides' => [ true, [] ],
            'In-key options are ok' => [ true, [
                'thumbsize' => 1e100,
                'printable' => false,
            ] ],
            'Non-in-key options are not ok' => [ false, [
                'removeComments' => false,
            ] ],
            'Non-in-key options are not ok (2)' => [ false, [
                'wrapclass' => 'foobar',
            ] ],
            'Canonical override, not default (1)' => [ true, [
                'tidy' => true,
            ] ],
            'Canonical override, not default (2)' => [ false, [
                'tidy' => false,
            ] ],
        ];
    }
 
    public function testOptionsHash( $usedOptions, $expect, $options, $globals = [] ) {
        global $wgHooks;
 
        $globals += [
            'wgHooks' => [],
        ];
        $globals['wgHooks'] += [
            'PageRenderingHash' => [],
        ] + $wgHooks;
        $this->setMwGlobals( $globals );
 
        $popt = ParserOptions::newCanonical();
        foreach ( $options as $name => $value ) {
            $popt->setOption( $name, $value );
        }
        $this->assertSame( $expect, $popt->optionsHash( $usedOptions ) );
    }
 
    public static function provideOptionsHash() {
        $used = [ 'thumbsize', 'printable' ];
 
        $classWrapper = TestingAccessWrapper::newFromClass( ParserOptions::class );
        $classWrapper->getDefaults();
        $allUsableOptions = array_diff(
            array_keys( $classWrapper->inCacheKey ),
            array_keys( $classWrapper->lazyOptions )
        );
 
        return [
            'Canonical options, nothing used' => [ [], 'canonical', [] ],
            'Canonical options, used some options' => [ $used, 'canonical', [] ],
            'Used some options, non-default values' => [
                $used,
                'printable=1!thumbsize=200',
                [
                    'thumbsize' => 200,
                    'printable' => true,
                ]
            ],
            'Canonical options, used all non-lazy options' => [ $allUsableOptions, 'canonical', [] ],
            'Canonical options, nothing used, but with hooks and $wgRenderHashAppend' => [
                [],
                'canonical!wgRenderHashAppend!onPageRenderingHash',
                [],
                [
                    'wgRenderHashAppend' => '!wgRenderHashAppend',
                    'wgHooks' => [ 'PageRenderingHash' => [ [ __CLASS__ . '::onPageRenderingHash' ] ] ],
                ]
            ],
        ];
    }
 
    public static function onPageRenderingHash( &$confstr ) {
        $confstr .= '!onPageRenderingHash';
    }
 
    public function testGetInvalidOption() {
        $popt = ParserOptions::newCanonical();
        $popt->getOption( 'bogus' );
    }
 
    public function testSetInvalidOption() {
        $popt = ParserOptions::newCanonical();
        $popt->setOption( 'bogus', true );
    }
 
    public function testMatches() {
        $classWrapper = TestingAccessWrapper::newFromClass( ParserOptions::class );
        $oldDefaults = $classWrapper->defaults;
        $oldLazy = $classWrapper->lazyOptions;
        $reset = new ScopedCallback( function () use ( $classWrapper, $oldDefaults, $oldLazy ) {
            $classWrapper->defaults = $oldDefaults;
            $classWrapper->lazyOptions = $oldLazy;
        } );
 
        $popt1 = ParserOptions::newCanonical();
        $popt2 = ParserOptions::newCanonical();
        $this->assertTrue( $popt1->matches( $popt2 ) );
 
        $popt1->enableLimitReport( true );
        $popt2->enableLimitReport( false );
        $this->assertTrue( $popt1->matches( $popt2 ) );
 
        $popt2->setTidy( !$popt2->getTidy() );
        $this->assertFalse( $popt1->matches( $popt2 ) );
 
        $ctr = 0;
        $classWrapper->defaults += [ __METHOD__ => null ];
        $classWrapper->lazyOptions += [ __METHOD__ => function () use ( &$ctr ) {
            return ++$ctr;
        } ];
        $popt1 = ParserOptions::newCanonical();
        $popt2 = ParserOptions::newCanonical();
        $this->assertFalse( $popt1->matches( $popt2 ) );
 
        ScopedCallback::consume( $reset );
    }
 
    public function testAllCacheVaryingOptions() {
        global $wgHooks;
 
        // $wgHooks is already saved in self::setUp(), so we can modify it freely here
        $wgHooks['ParserOptionsRegister'] = [];
        $this->assertSame( [
            'dateformat', 'numberheadings', 'printable', 'stubthreshold',
            'thumbsize', 'userlang'
        ], ParserOptions::allCacheVaryingOptions() );
 
        self::clearCache();
 
        $wgHooks['ParserOptionsRegister'][] = function ( &$defaults, &$inCacheKey ) {
            $defaults += [
                'foo' => 'foo',
                'bar' => 'bar',
                'baz' => 'baz',
            ];
            $inCacheKey += [
                'foo' => true,
                'bar' => false,
            ];
        };
        $this->assertSame( [
            'dateformat', 'foo', 'numberheadings', 'printable', 'stubthreshold',
            'thumbsize', 'userlang'
        ], ParserOptions::allCacheVaryingOptions() );
    }
 
}