ExifBitmapTest.php

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<?php

class ExifBitmapTest extends MediaWikiMediaTestCase {

    protected $handler;

    protected function setUp() {
        parent::setUp();
        $this->checkPHPExtension( 'exif' );

        $this->setMwGlobals( 'wgShowEXIF', true );

        $this->handler = new ExifBitmapHandler;

    }

    public function testIsOldBroken() {
        $res = $this->handler->isMetadataValid( null, ExifBitmapHandler::OLD_BROKEN_FILE );
        $this->assertEquals( ExifBitmapHandler::METADATA_COMPATIBLE, $res );
    }

    public function testIsBrokenFile() {
        $res = $this->handler->isMetadataValid( null, ExifBitmapHandler::BROKEN_FILE );
        $this->assertEquals( ExifBitmapHandler::METADATA_GOOD, $res );
    }

    public function testIsInvalid() {
        $res = $this->handler->isMetadataValid( null, 'Something Invalid Here.' );
        $this->assertEquals( ExifBitmapHandler::METADATA_BAD, $res );
    }

    public function testGoodMetadata() {
        // @codingStandardsIgnoreStart Ignore Generic.Files.LineLength.TooLong
        $meta = 'a:16:{s:10:"ImageWidth";i:20;s:11:"ImageLength";i:20;s:13:"BitsPerSample";a:3:{i:0;i:8;i:1;i:8;i:2;i:8;}s:11:"Compression";i:5;s:25:"PhotometricInterpretation";i:2;s:16:"ImageDescription";s:17:"Created with GIMP";s:12:"StripOffsets";i:8;s:11:"Orientation";i:1;s:15:"SamplesPerPixel";i:3;s:12:"RowsPerStrip";i:64;s:15:"StripByteCounts";i:238;s:11:"XResolution";s:19:"1207959552/16777216";s:11:"YResolution";s:19:"1207959552/16777216";s:19:"PlanarConfiguration";i:1;s:14:"ResolutionUnit";i:2;s:22:"MEDIAWIKI_EXIF_VERSION";i:2;}';
        // @codingStandardsIgnoreEnd
        $res = $this->handler->isMetadataValid( null, $meta );
        $this->assertEquals( ExifBitmapHandler::METADATA_GOOD, $res );
    }

    public function testIsOldGood() {
        // @codingStandardsIgnoreStart Ignore Generic.Files.LineLength.TooLong
        $meta = 'a:16:{s:10:"ImageWidth";i:20;s:11:"ImageLength";i:20;s:13:"BitsPerSample";a:3:{i:0;i:8;i:1;i:8;i:2;i:8;}s:11:"Compression";i:5;s:25:"PhotometricInterpretation";i:2;s:16:"ImageDescription";s:17:"Created with GIMP";s:12:"StripOffsets";i:8;s:11:"Orientation";i:1;s:15:"SamplesPerPixel";i:3;s:12:"RowsPerStrip";i:64;s:15:"StripByteCounts";i:238;s:11:"XResolution";s:19:"1207959552/16777216";s:11:"YResolution";s:19:"1207959552/16777216";s:19:"PlanarConfiguration";i:1;s:14:"ResolutionUnit";i:2;s:22:"MEDIAWIKI_EXIF_VERSION";i:1;}';
        // @codingStandardsIgnoreEnd
        $res = $this->handler->isMetadataValid( null, $meta );
        $this->assertEquals( ExifBitmapHandler::METADATA_COMPATIBLE, $res );
    }

    public function testPagedTiffHandledGracefully() {
        // @codingStandardsIgnoreStart Ignore Generic.Files.LineLength.TooLong
        $meta = 'a:6:{s:9:"page_data";a:1:{i:1;a:5:{s:5:"width";i:643;s:6:"height";i:448;s:5:"alpha";s:4:"true";s:4:"page";i:1;s:6:"pixels";i:288064;}}s:10:"page_count";i:1;s:10:"first_page";i:1;s:9:"last_page";i:1;s:4:"exif";a:9:{s:10:"ImageWidth";i:643;s:11:"ImageLength";i:448;s:11:"Compression";i:5;s:25:"PhotometricInterpretation";i:2;s:11:"Orientation";i:1;s:15:"SamplesPerPixel";i:4;s:12:"RowsPerStrip";i:50;s:19:"PlanarConfiguration";i:1;s:22:"MEDIAWIKI_EXIF_VERSION";i:1;}s:21:"TIFF_METADATA_VERSION";s:3:"1.4";}';
        // @codingStandardsIgnoreEnd
        $res = $this->handler->isMetadataValid( null, $meta );
        $this->assertEquals( ExifBitmapHandler::METADATA_BAD, $res );
    }

    public function testConvertMetadataLatest() {
        $metadata = [
            'foo' => [ 'First', 'Second', '_type' => 'ol' ],
            'MEDIAWIKI_EXIF_VERSION' => 2
        ];
        $res = $this->handler->convertMetadataVersion( $metadata, 2 );
        $this->assertEquals( $metadata, $res );
    }

    public function testConvertMetadataToOld() {
        $metadata = [
            'foo' => [ 'First', 'Second', '_type' => 'ol' ],
            'bar' => [ 'First', 'Second', '_type' => 'ul' ],
            'baz' => [ 'First', 'Second' ],
            'fred' => 'Single',
            'MEDIAWIKI_EXIF_VERSION' => 2,
        ];
        $expected = [
            'foo' => "\n#First\n#Second",
            'bar' => "\n*First\n*Second",
            'baz' => "\n*First\n*Second",
            'fred' => 'Single',
            'MEDIAWIKI_EXIF_VERSION' => 1,
        ];
        $res = $this->handler->convertMetadataVersion( $metadata, 1 );
        $this->assertEquals( $expected, $res );
    }

    public function testConvertMetadataSoftware() {
        $metadata = [
            'Software' => [ [ 'GIMP', '1.1' ] ],
            'MEDIAWIKI_EXIF_VERSION' => 2,
        ];
        $expected = [
            'Software' => 'GIMP (Version 1.1)',
            'MEDIAWIKI_EXIF_VERSION' => 1,
        ];
        $res = $this->handler->convertMetadataVersion( $metadata, 1 );
        $this->assertEquals( $expected, $res );
    }

    public function testConvertMetadataSoftwareNormal() {
        $metadata = [
            'Software' => [ "GIMP 1.2", "vim" ],
            'MEDIAWIKI_EXIF_VERSION' => 2,
        ];
        $expected = [
            'Software' => "\n*GIMP 1.2\n*vim",
            'MEDIAWIKI_EXIF_VERSION' => 1,
        ];
        $res = $this->handler->convertMetadataVersion( $metadata, 1 );
        $this->assertEquals( $expected, $res );
    }

    public function testSwappingICCProfile(
        $sourceFilename, $controlFilename, $newProfileFilename, $oldProfileName
    ) {
        global $wgExiftool;

        if ( !$wgExiftool || !is_file( $wgExiftool ) ) {
            $this->markTestSkipped( "Exiftool not installed, cannot test ICC profile swapping" );
        }

        $this->setMwGlobals( 'wgUseTinyRGBForJPGThumbnails', true );

        $sourceFilepath = $this->filePath . $sourceFilename;
        $controlFilepath = $this->filePath . $controlFilename;
        $profileFilepath = $this->filePath . $newProfileFilename;
        $filepath = $this->getNewTempFile();

        copy( $sourceFilepath, $filepath );

        $file = $this->dataFile( $sourceFilename, 'image/jpeg' );
        $this->handler->swapICCProfile( $filepath, $oldProfileName, $profileFilepath );

        $this->assertEquals(
            sha1( file_get_contents( $filepath ) ),
            sha1( file_get_contents( $controlFilepath ) )
        );
    }

    public function provideSwappingICCProfile() {
        return [
            // File with sRGB should end up with TinyRGB
            [
                'srgb.jpg',
                'tinyrgb.jpg',
                'tinyrgb.icc',
                'IEC 61966-2.1 Default RGB colour space - sRGB'
            ],
            // File with TinyRGB should be left unchanged
            [
                'tinyrgb.jpg',
                'tinyrgb.jpg',
                'tinyrgb.icc',
                'IEC 61966-2.1 Default RGB colour space - sRGB'
            ],
            // File with no profile should be left unchanged
            [
                'test.jpg',
                'test.jpg',
                'tinyrgb.icc',
                'IEC 61966-2.1 Default RGB colour space - sRGB'
            ]
        ];
    }
}