BitmapMetadataHandlerTest.php

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<?php
class BitmapMetadataHandlerTest extends MediaWikiTestCase {

        public function setUp() {
                $this->filePath = dirname( __FILE__ ) . '/../../data/media/';
        }

        public function testMultilingualCascade() {
                if ( !wfDl( 'exif' ) ) {
                        $this->markTestSkipped( "This test needs the exif extension." );
                }
                if ( !wfDl( 'xml' ) ) {
                        $this->markTestSkipped( "This test needs the xml extension." );
                }
                global $wgShowEXIF;
                $oldExif = $wgShowEXIF;
                $wgShowEXIF = true;

                $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
                        '/Xmp-exif-multilingual_test.jpg' );

                $expected = array(
                        'x-default' => 'right(iptc)',
                        'en'        => 'right translation',
                        '_type'     => 'lang'
                );
                
                $this->assertArrayHasKey( 'ImageDescription', $meta,
                        'Did not extract any ImageDescription info?!' );

                $this->assertEquals( $expected, $meta['ImageDescription'] );

                $wgShowEXIF = $oldExif;
        }

        public function testJpegComment() {
                $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
                        'jpeg-comment-utf.jpg' );

                $this->assertEquals( 'UTF-8 JPEG Comment — ¼',
                        $meta['JPEGFileComment'][0] );
        }

        public function testBadIPTC() {
                $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
                        'iptc-invalid-psir.jpg' );
                $this->assertEquals( 'Created with GIMP', $meta['JPEGFileComment'][0] );
        }

        public function testIPTCDates() {
                $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
                        'iptc-timetest.jpg' );

                $this->assertEquals( '2020:07:14 01:36:05', $meta['DateTimeDigitized'] );
                $this->assertEquals( '1997:03:02 00:01:02', $meta['DateTimeOriginal'] );
        }
        /* File has an invalid time (+ one valid but really weird time)
         * that shouldn't be included
         */
        public function testIPTCDatesInvalid() {
                $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
                        'iptc-timetest-invalid.jpg' );

                $this->assertEquals( '1845:03:02 00:01:02', $meta['DateTimeOriginal'] );
                $this->assertFalse( isset( $meta['DateTimeDigitized'] ) );
        }

        public function testMerging() {
                $merger = new BitmapMetadataHandler();
                $merger->addMetadata( array( 'foo' => 'xmp' ), 'xmp-general' );
                $merger->addMetadata( array( 'bar' => 'xmp' ), 'xmp-general' );
                $merger->addMetadata( array( 'baz' => 'xmp' ), 'xmp-general' );
                $merger->addMetadata( array( 'fred' => 'xmp' ), 'xmp-general' );
                $merger->addMetadata( array( 'foo' => 'iptc (hash)' ), 'iptc-good-hash' );
                $merger->addMetadata( array( 'bar' => 'iptc (bad hash)' ), 'iptc-bad-hash' );
                $merger->addMetadata( array( 'baz' => 'iptc (bad hash)' ), 'iptc-bad-hash' );
                $merger->addMetadata( array( 'fred' => 'iptc (no hash)' ), 'iptc-no-hash' );
                $merger->addMetadata( array( 'baz' => 'exif' ), 'exif' );

                $actual = $merger->getMetadataArray();
                $expected = array(
                        'foo' => 'xmp',
                        'bar' => 'iptc (bad hash)',
                        'baz' => 'exif',
                        'fred' => 'xmp',
                );
                $this->assertEquals( $expected, $actual );
        }

        public function testPNGXMP() {
                if ( !wfDl( 'xml' ) ) {
                        $this->markTestSkipped( "This test needs the xml extension." );
                }
                $handler = new BitmapMetadataHandler();
                $result = $handler->png( $this->filePath . 'xmp.png' );
                $expected = array (
                        'frameCount' => 0,
                        'loopCount' => 1,
                        'duration' => 0,
                        'bitDepth' => 1,
                        'colorType' => 'index-coloured',
                        'metadata' => array (
                                'SerialNumber' => '123456789',
                                '_MW_PNG_VERSION' => 1,
                        ),
                );
                $this->assertEquals( $expected, $result ); 
        }
        public function testPNGNative() {
                $handler = new BitmapMetadataHandler();
                $result = $handler->png( $this->filePath . 'Png-native-test.png' );
                $expected = 'http://example.com/url';
                $this->assertEquals( $expected, $result['metadata']['Identifier']['x-default'] ); 
        }
        public function testTiffByteOrder() {
                $handler = new BitmapMetadataHandler();
                $res = $handler->getTiffByteOrder( $this->filePath . 'test.tiff' );
                $this->assertEquals( 'LE', $res );
        }

}