--- /dev/null
+<?php
+
+/**
+ * @group Media
+ * @covers XMPReader
+ */
+class XMPTest extends PHPUnit_Framework_TestCase {
+
+ protected function setUp() {
+ parent::setUp();
+ # Requires libxml to do XMP parsing
+ if ( !extension_loaded( 'exif' ) ) {
+ $this->markTestSkipped( "PHP extension 'exif' is not loaded, skipping." );
+ }
+ }
+
+ /**
+ * Put XMP in, compare what comes out...
+ *
+ * @param string $xmp The actual xml data.
+ * @param array $expected Expected result of parsing the xmp.
+ * @param string $info Short sentence on what's being tested.
+ *
+ * @throws Exception
+ * @dataProvider provideXMPParse
+ *
+ * @covers XMPReader::parse
+ */
+ public function testXMPParse( $xmp, $expected, $info ) {
+ if ( !is_string( $xmp ) || !is_array( $expected ) ) {
+ throw new Exception( "Invalid data provided to " . __METHOD__ );
+ }
+ $reader = new XMPReader;
+ $reader->parse( $xmp );
+ $this->assertEquals( $expected, $reader->getResults(), $info, 0.0000000001 );
+ }
+
+ public static function provideXMPParse() {
+ $xmpPath = __DIR__ . '/../../../data/xmp/';
+ $data = [];
+
+ // $xmpFiles format: array of arrays with first arg file base name,
+ // with the actual file having .xmp on the end for the xmp
+ // and .result.php on the end for a php file containing the result
+ // array. Second argument is some info on what's being tested.
+ $xmpFiles = [
+ [ '1', 'parseType=Resource test' ],
+ [ '2', 'Structure with mixed attribute and element props' ],
+ [ '3', 'Extra qualifiers (that should be ignored)' ],
+ [ '3-invalid', 'Test ignoring qualifiers that look like normal props' ],
+ [ '4', 'Flash as qualifier' ],
+ [ '5', 'Flash as qualifier 2' ],
+ [ '6', 'Multiple rdf:Description' ],
+ [ '7', 'Generic test of several property types' ],
+ [ 'flash', 'Test of Flash property' ],
+ [ 'invalid-child-not-struct', 'Test child props not in struct or ignored' ],
+ [ 'no-recognized-props', 'Test namespace and no recognized props' ],
+ [ 'no-namespace', 'Test non-namespaced attributes are ignored' ],
+ [ 'bag-for-seq', "Allow bag's instead of seq's. (T29105)" ],
+ [ 'utf16BE', 'UTF-16BE encoding' ],
+ [ 'utf16LE', 'UTF-16LE encoding' ],
+ [ 'utf32BE', 'UTF-32BE encoding' ],
+ [ 'utf32LE', 'UTF-32LE encoding' ],
+ [ 'xmpExt', 'Extended XMP missing second part' ],
+ [ 'gps', 'Handling of exif GPS parameters in XMP' ],
+ ];
+
+ $xmpFiles[] = [ 'doctype-included', 'XMP includes doctype' ];
+
+ foreach ( $xmpFiles as $file ) {
+ $xmp = file_get_contents( $xmpPath . $file[0] . '.xmp' );
+ // I'm not sure if this is the best way to handle getting the
+ // result array, but it seems kind of big to put directly in the test
+ // file.
+ $result = null;
+ include $xmpPath . $file[0] . '.result.php';
+ $data[] = [ $xmp, $result, '[' . $file[0] . '.xmp] ' . $file[1] ];
+ }
+
+ return $data;
+ }
+
+ /** Test ExtendedXMP block support. (Used when the XMP has to be split
+ * over multiple jpeg segments, due to 64k size limit on jpeg segments.
+ *
+ * @todo This is based on what the standard says. Need to find a real
+ * world example file to double check the support for this is right.
+ *
+ * @covers XMPReader::parseExtended
+ */
+ public function testExtendedXMP() {
+ $xmpPath = __DIR__ . '/../../../data/xmp/';
+ $standardXMP = file_get_contents( $xmpPath . 'xmpExt.xmp' );
+ $extendedXMP = file_get_contents( $xmpPath . 'xmpExt2.xmp' );
+
+ $md5sum = '28C74E0AC2D796886759006FBE2E57B7'; // of xmpExt2.xmp
+ $length = pack( 'N', strlen( $extendedXMP ) );
+ $offset = pack( 'N', 0 );
+ $extendedPacket = $md5sum . $length . $offset . $extendedXMP;
+
+ $reader = new XMPReader();
+ $reader->parse( $standardXMP );
+ $reader->parseExtended( $extendedPacket );
+ $actual = $reader->getResults();
+
+ $expected = [
+ 'xmp-exif' => [
+ 'DigitalZoomRatio' => '0/10',
+ 'Flash' => 9,
+ 'FNumber' => '2/10',
+ ]
+ ];
+
+ $this->assertEquals( $expected, $actual );
+ }
+
+ /**
+ * This test has an extended XMP block with a wrong guid (md5sum)
+ * and thus should only return the StandardXMP, not the ExtendedXMP.
+ *
+ * @covers XMPReader::parseExtended
+ */
+ public function testExtendedXMPWithWrongGUID() {
+ $xmpPath = __DIR__ . '/../../../data/xmp/';
+ $standardXMP = file_get_contents( $xmpPath . 'xmpExt.xmp' );
+ $extendedXMP = file_get_contents( $xmpPath . 'xmpExt2.xmp' );
+
+ $md5sum = '28C74E0AC2D796886759006FBE2E57B9'; // Note last digit.
+ $length = pack( 'N', strlen( $extendedXMP ) );
+ $offset = pack( 'N', 0 );
+ $extendedPacket = $md5sum . $length . $offset . $extendedXMP;
+
+ $reader = new XMPReader();
+ $reader->parse( $standardXMP );
+ $reader->parseExtended( $extendedPacket );
+ $actual = $reader->getResults();
+
+ $expected = [
+ 'xmp-exif' => [
+ 'DigitalZoomRatio' => '0/10',
+ 'Flash' => 9,
+ ]
+ ];
+
+ $this->assertEquals( $expected, $actual );
+ }
+
+ /**
+ * Have a high offset to simulate a missing packet,
+ * which should cause it to ignore the ExtendedXMP packet.
+ *
+ * @covers XMPReader::parseExtended
+ */
+ public function testExtendedXMPMissingPacket() {
+ $xmpPath = __DIR__ . '/../../../data/xmp/';
+ $standardXMP = file_get_contents( $xmpPath . 'xmpExt.xmp' );
+ $extendedXMP = file_get_contents( $xmpPath . 'xmpExt2.xmp' );
+
+ $md5sum = '28C74E0AC2D796886759006FBE2E57B7'; // of xmpExt2.xmp
+ $length = pack( 'N', strlen( $extendedXMP ) );
+ $offset = pack( 'N', 2048 );
+ $extendedPacket = $md5sum . $length . $offset . $extendedXMP;
+
+ $reader = new XMPReader();
+ $reader->parse( $standardXMP );
+ $reader->parseExtended( $extendedPacket );
+ $actual = $reader->getResults();
+
+ $expected = [
+ 'xmp-exif' => [
+ 'DigitalZoomRatio' => '0/10',
+ 'Flash' => 9,
+ ]
+ ];
+
+ $this->assertEquals( $expected, $actual );
+ }
+
+ /**
+ * Test for multi-section, hostile XML
+ * @covers XMPReader::checkParseSafety
+ */
+ public function testCheckParseSafety() {
+ // Test for detection
+ $xmpPath = __DIR__ . '/../../../data/xmp/';
+ $file = fopen( $xmpPath . 'doctype-included.xmp', 'rb' );
+ $valid = false;
+ $reader = new XMPReader();
+ do {
+ $chunk = fread( $file, 10 );
+ $valid = $reader->parse( $chunk, feof( $file ) );
+ } while ( !feof( $file ) );
+ $this->assertFalse( $valid, 'Check that doctype is detected in fragmented XML' );
+ $this->assertEquals(
+ [],
+ $reader->getResults(),
+ 'Check that doctype is detected in fragmented XML'
+ );
+ fclose( $file );
+ unset( $reader );
+
+ // Test for false positives
+ $file = fopen( $xmpPath . 'doctype-not-included.xmp', 'rb' );
+ $valid = false;
+ $reader = new XMPReader();
+ do {
+ $chunk = fread( $file, 10 );
+ $valid = $reader->parse( $chunk, feof( $file ) );
+ } while ( !feof( $file ) );
+ $this->assertTrue(
+ $valid,
+ 'Check for false-positive detecting doctype in fragmented XML'
+ );
+ $this->assertEquals(
+ [
+ 'xmp-exif' => [
+ 'DigitalZoomRatio' => '0/10',
+ 'Flash' => '9'
+ ]
+ ],
+ $reader->getResults(),
+ 'Check that doctype is detected in fragmented XML'
+ );
+ }
+}
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