SVGMetadataExtractorTest.php

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<?php
 
class SVGMetadataExtractorTest extends MediaWikiTestCase {
 
    public function testGetMetadata( $infile, $expected ) {
        $this->assertMetadata( $infile, $expected );
    }
 
    public function testGetXMLMetadata( $infile, $expected ) {
        $r = new XMLReader();
        if ( !method_exists( $r, 'readInnerXML' ) ) {
            $this->markTestSkipped( 'XMLReader::readInnerXML() does not exist (libxml >2.6.20 needed).' );
 
            return;
        }
        $this->assertMetadata( $infile, $expected );
    }
 
    public function testScaleSVGUnit( $inUnit, $expected ) {
        $this->assertEquals(
            $expected,
            SVGReader::scaleSVGUnit( $inUnit ),
            'SVG unit conversion and scaling failure'
        );
    }
 
    function assertMetadata( $infile, $expected ) {
        try {
            $data = SVGMetadataExtractor::getMetadata( $infile );
            $this->assertEquals( $expected, $data, 'SVG metadata extraction test' );
        } catch ( MWException $e ) {
            if ( $expected === false ) {
                $this->assertTrue( true, 'SVG metadata extracted test (expected failure)' );
            } else {
                throw $e;
            }
        }
    }
 
    public static function provideSvgFiles() {
        $base = __DIR__ . '/../../data/media';
 
        return [
            [
                "$base/Wikimedia-logo.svg",
                [
                    'width' => 1024,
                    'height' => 1024,
                    'originalWidth' => '1024',
                    'originalHeight' => '1024',
                    'translations' => [],
                ]
            ],
            [
                "$base/QA_icon.svg",
                [
                    'width' => 60,
                    'height' => 60,
                    'originalWidth' => '60',
                    'originalHeight' => '60',
                    'translations' => [],
                ]
            ],
            [
                "$base/Gtk-media-play-ltr.svg",
                [
                    'width' => 60,
                    'height' => 60,
                    'originalWidth' => '60.0000000',
                    'originalHeight' => '60.0000000',
                    'translations' => [],
                ]
            ],
            [
                "$base/Toll_Texas_1.svg",
                // This file triggered T33719, needs entity expansion in the xmlns checks
                [
                    'width' => 385,
                    'height' => 385,
                    'originalWidth' => '385',
                    'originalHeight' => '385.0004883',
                    'translations' => [],
                ]
            ],
            [
                "$base/Tux.svg",
                [
                    'width' => 512,
                    'height' => 594,
                    'originalWidth' => '100%',
                    'originalHeight' => '100%',
                    'title' => 'Tux',
                    'translations' => [],
                    'description' => 'For more information see: http://commons.wikimedia.org/wiki/Image:Tux.svg',
                ]
            ],
            [
                "$base/Speech_bubbles.svg",
                [
                    'width' => 627,
                    'height' => 461,
                    'originalWidth' => '17.7cm',
                    'originalHeight' => '13cm',
                    'translations' => [
                        'de' => SVGReader::LANG_FULL_MATCH,
                        'fr' => SVGReader::LANG_FULL_MATCH,
                        'nl' => SVGReader::LANG_FULL_MATCH,
                        'tlh-ca' => SVGReader::LANG_FULL_MATCH,
                        'tlh' => SVGReader::LANG_PREFIX_MATCH
                    ],
                ]
            ],
            [
                "$base/Soccer_ball_animated.svg",
                [
                    'width' => 150,
                    'height' => 150,
                    'originalWidth' => '150',
                    'originalHeight' => '150',
                    'animated' => true,
                    'translations' => []
                ],
            ],
            [
                "$base/comma_separated_viewbox.svg",
                [
                    'width' => 512,
                    'height' => 594,
                    'originalWidth' => '100%',
                    'originalHeight' => '100%',
                    'translations' => []
                ],
            ],
        ];
    }
 
    public static function provideSvgFilesWithXMLMetadata() {
        $base = __DIR__ . '/../../data/media';
        // phpcs:disable Generic.Files.LineLength
        $metadata = '<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
      <ns4:Work xmlns:ns4="http://creativecommons.org/ns#" rdf:about="">
        <ns5:format xmlns:ns5="http://purl.org/dc/elements/1.1/">image/svg+xml</ns5:format>
        <ns5:type xmlns:ns5="http://purl.org/dc/elements/1.1/" rdf:resource="http://purl.org/dc/dcmitype/StillImage"/>
      </ns4:Work>
    </rdf:RDF>';
        // phpcs:enable
 
        $metadata = str_replace( "\r", '', $metadata ); // Windows compat
        return [
            [
                "$base/US_states_by_total_state_tax_revenue.svg",
                [
                    'height' => 593,
                    'metadata' => $metadata,
                    'width' => 959,
                    'originalWidth' => '958.69',
                    'originalHeight' => '592.78998',
                    'translations' => [],
                ]
            ],
        ];
    }
 
    public static function provideSvgUnits() {
        return [
            [ '1' , 1 ],
            [ '1.1' , 1.1 ],
            [ '0.1' , 0.1 ],
            [ '.1' , 0.1 ],
            [ '1e2' , 100 ],
            [ '1E2' , 100 ],
            [ '+1' , 1 ],
            [ '-1' , -1 ],
            [ '-1.1' , -1.1 ],
            [ '1e+2' , 100 ],
            [ '1e-2' , 0.01 ],
            [ '10px' , 10 ],
            [ '10pt' , 10 * 1.25 ],
            [ '10pc' , 10 * 15 ],
            [ '10mm' , 10 * 3.543307 ],
            [ '10cm' , 10 * 35.43307 ],
            [ '10in' , 10 * 90 ],
            [ '10em' , 10 * 16 ],
            [ '10ex' , 10 * 12 ],
            [ '10%' , 51.2 ],
            [ '10 px' , 10 ],
            // Invalid values
            [ '1e1.1', 10 ],
            [ '10bp', 10 ],
            [ 'p10', null ],
        ];
    }
}