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-rw-r--r--tests/phpunit/includes/media/XMPTest.php166
1 files changed, 166 insertions, 0 deletions
diff --git a/tests/phpunit/includes/media/XMPTest.php b/tests/phpunit/includes/media/XMPTest.php
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+++ b/tests/phpunit/includes/media/XMPTest.php
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+<?php
+
+/**
+ * @todo covers tags
+ */
+class XMPTest extends MediaWikiTestCase {
+
+ protected function setUp() {
+ parent::setUp();
+ if ( !extension_loaded( 'xml' ) ) {
+ $this->markTestSkipped( 'Requires libxml to do XMP parsing' );
+ }
+ }
+
+ /**
+ * Put XMP in, compare what comes out...
+ *
+ * @param $xmp String the actual xml data.
+ * @param $expected Array expected result of parsing the xmp.
+ * @param $info String Short sentence on what's being tested.
+ *
+ * @throws Exception
+ * @dataProvider provideXMPParse
+ */
+ 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 = array();
+
+ // $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 = array(
+ array( '1', 'parseType=Resource test' ),
+ array( '2', 'Structure with mixed attribute and element props' ),
+ array( '3', 'Extra qualifiers (that should be ignored)' ),
+ array( '3-invalid', 'Test ignoring qualifiers that look like normal props' ),
+ array( '4', 'Flash as qualifier' ),
+ array( '5', 'Flash as qualifier 2' ),
+ array( '6', 'Multiple rdf:Description' ),
+ array( '7', 'Generic test of several property types' ),
+ array( 'flash', 'Test of Flash property' ),
+ array( 'invalid-child-not-struct', 'Test child props not in struct or ignored' ),
+ array( 'no-recognized-props', 'Test namespace and no recognized props' ),
+ array( 'no-namespace', 'Test non-namespaced attributes are ignored' ),
+ array( 'bag-for-seq', "Allow bag's instead of seq's. (bug 27105)" ),
+ array( 'utf16BE', 'UTF-16BE encoding' ),
+ array( 'utf16LE', 'UTF-16LE encoding' ),
+ array( 'utf32BE', 'UTF-32BE encoding' ),
+ array( 'utf32LE', 'UTF-32LE encoding' ),
+ array( 'xmpExt', 'Extended XMP missing second part' ),
+ array( 'gps', 'Handling of exif GPS parameters in XMP' ),
+ );
+
+ 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[] = array( $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.
+ */
+ 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 = array(
+ 'xmp-exif' => array(
+ '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.
+ */
+ 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 = array(
+ 'xmp-exif' => array(
+ '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.
+ */
+ 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 = array(
+ 'xmp-exif' => array(
+ 'DigitalZoomRatio' => '0/10',
+ 'Flash' => 9,
+ )
+ );
+
+ $this->assertEquals( $expected, $actual );
+ }
+}