IPTCTest.php

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<?php

class IPTCTest extends MediaWikiTestCase {

    public function testRecognizeUtf8() {
        // utf-8 is the only one used in practise.
        $res = IPTC::getCharset( "\x1b%G" );
        $this->assertEquals( 'UTF-8', $res );
    }

    public function testIPTCParseNoCharset88591() {
        // basically IPTC for keyword with value of 0xBC which is 1/4 in iso-8859-1
        // This data doesn't specify a charset. We're supposed to guess
        // (which basically means utf-8 if valid, windows 1252 (iso 8859-1) if not)
        $iptcData = "Photoshop 3.0\08BIM\4\4\0\0\0\0\0\x06\x1c\x02\x19\x00\x01\xBC";
        $res = IPTC::parse( $iptcData );
        $this->assertEquals( [ '¼' ], $res['Keywords'] );
    }

    public function testIPTCParseNoCharset88591b() {
        /* This one contains a sequence that's valid iso 8859-1 but not valid utf8 */
        /* \xC3 = Ã, \xB8 = ¸  */
        $iptcData = "Photoshop 3.0\08BIM\4\4\0\0\0\0\0\x09\x1c\x02\x19\x00\x04\xC3\xC3\xC3\xB8";
        $res = IPTC::parse( $iptcData );
        $this->assertEquals( [ 'ÃÃø' ], $res['Keywords'] );
    }

    public function testIPTCParseForcedUTFButInvalid() {
        if ( version_compare( PHP_VERSION, '5.5.26', '<' )
            || ( version_compare( PHP_VERSION, '5.6.0', '>' )
                && version_compare( PHP_VERSION, '5.6.10', '<' )
            )
        ) {
            $this->markTestSkipped( 'Test fails on pre-PHP 5.5.25. See T124574/T39665 for details.' );
        }
        $iptcData = "Photoshop 3.0\08BIM\4\4\0\0\0\0\0\x11\x1c\x02\x19\x00\x04\xC3\xC3\xC3\xB8"
            . "\x1c\x01\x5A\x00\x03\x1B\x25\x47";
        $res = IPTC::parse( $iptcData );
        $this->assertEquals( [ 'ø' ], $res['Keywords'] );
    }

    public function testIPTCParseNoCharsetUTF8() {
        $iptcData = "Photoshop 3.0\08BIM\4\4\0\0\0\0\0\x07\x1c\x02\x19\x00\x02¼";
        $res = IPTC::parse( $iptcData );
        $this->assertEquals( [ '¼' ], $res['Keywords'] );
    }

    public function testIPTCParseMulti() {
        $iptcData = /* identifier */ "Photoshop 3.0\08BIM\4\4"
            /* length */ . "\0\0\0\0\0\x0D"
            . "\x1c\x02\x19" . "\x00\x01" . "\xBC"
            . "\x1c\x02\x19" . "\x00\x02" . "\xBC\xBD";
        $res = IPTC::parse( $iptcData );
        $this->assertEquals( [ '¼', '¼½' ], $res['Keywords'] );
    }

    public function testIPTCParseUTF8() {
        // This has the magic "\x1c\x01\x5A\x00\x03\x1B\x25\x47" which marks content as UTF8.
        $iptcData =
            "Photoshop 3.0\08BIM\4\4\0\0\0\0\0\x0F\x1c\x02\x19\x00\x02¼\x1c\x01\x5A\x00\x03\x1B\x25\x47";
        $res = IPTC::parse( $iptcData );
        $this->assertEquals( [ '¼' ], $res['Keywords'] );
    }
}