tests/phpunit/includes/media/BitmapMetadataHandlerTest.php

   1 <?php
   2 class BitmapMetadataHandlerTest extends MediaWikiTestCase {
   3
   4         public function setUp() {
   5                 $this->filePath = __DIR__ . '/../../data/media/';
   6         }
   7
   8         /**
   9          * Test if having conflicting metadata values from different
  10          * types of metadata, that the right one takes precedence.
  11          *
  12          * Basically the file has IPTC and XMP metadata, the
  13          * IPTC should override the XMP, except for the multilingual
  14          * translation (to en) where XMP should win.
  15          */
  16         public function testMultilingualCascade() {
  17                 if ( !wfDl( 'exif' ) ) {
  18                         $this->markTestSkipped( "This test needs the exif extension." );
  19                 }
  20                 if ( !wfDl( 'xml' ) ) {
  21                         $this->markTestSkipped( "This test needs the xml extension." );
  22                 }
  23                 global $wgShowEXIF;
  24                 $oldExif = $wgShowEXIF;
  25                 $wgShowEXIF = true;
  26
  27                 $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
  28                         '/Xmp-exif-multilingual_test.jpg' );
  29
  30                 $expected = array(
  31                         'x-default' => 'right(iptc)',
  32                         'en'        => 'right translation',
  33                         '_type'     => 'lang'
  34                 );
  35
  36                 $this->assertArrayHasKey( 'ImageDescription', $meta,
  37                         'Did not extract any ImageDescription info?!' );
  38
  39                 $this->assertEquals( $expected, $meta['ImageDescription'] );
  40
  41                 $wgShowEXIF = $oldExif;
  42         }
  43
  44         /**
  45          * Test for jpeg comments are being handled by
  46          * BitmapMetadataHandler correctly.
  47          *
  48          * There's more extensive tests of comment extraction in
  49          * JpegMetadataExtractorTests.php
  50          */
  51         public function testJpegComment() {
  52                 $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
  53                         'jpeg-comment-utf.jpg' );
  54
  55                 $this->assertEquals( 'UTF-8 JPEG Comment — ¼',
  56                         $meta['JPEGFileComment'][0] );
  57         }
  58
  59         /**
  60          * Make sure a bad iptc block doesn't stop the other metadata
  61          * from being extracted.
  62          */
  63         public function testBadIPTC() {
  64                 $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
  65                         'iptc-invalid-psir.jpg' );
  66                 $this->assertEquals( 'Created with GIMP', $meta['JPEGFileComment'][0] );
  67         }
  68
  69         public function testIPTCDates() {
  70                 $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
  71                         'iptc-timetest.jpg' );
  72
  73                 $this->assertEquals( '2020:07:14 01:36:05', $meta['DateTimeDigitized'] );
  74                 $this->assertEquals( '1997:03:02 00:01:02', $meta['DateTimeOriginal'] );
  75         }
  76         /* File has an invalid time (+ one valid but really weird time)
  77          * that shouldn't be included
  78          */
  79         public function testIPTCDatesInvalid() {
  80                 $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
  81                         'iptc-timetest-invalid.jpg' );
  82
  83                 $this->assertEquals( '1845:03:02 00:01:02', $meta['DateTimeOriginal'] );
  84                 $this->assertFalse( isset( $meta['DateTimeDigitized'] ) );
  85         }
  86
  87         /**
  88          * XMP data should take priority over iptc data
  89          * when hash has been updated, but not when
  90          * the hash is wrong.
  91          */
  92         public function testMerging() {
  93                 $merger = new BitmapMetadataHandler();
  94                 $merger->addMetadata( array( 'foo' => 'xmp' ), 'xmp-general' );
  95                 $merger->addMetadata( array( 'bar' => 'xmp' ), 'xmp-general' );
  96                 $merger->addMetadata( array( 'baz' => 'xmp' ), 'xmp-general' );
  97                 $merger->addMetadata( array( 'fred' => 'xmp' ), 'xmp-general' );
  98                 $merger->addMetadata( array( 'foo' => 'iptc (hash)' ), 'iptc-good-hash' );
  99                 $merger->addMetadata( array( 'bar' => 'iptc (bad hash)' ), 'iptc-bad-hash' );
 100                 $merger->addMetadata( array( 'baz' => 'iptc (bad hash)' ), 'iptc-bad-hash' );
 101                 $merger->addMetadata( array( 'fred' => 'iptc (no hash)' ), 'iptc-no-hash' );
 102                 $merger->addMetadata( array( 'baz' => 'exif' ), 'exif' );
 103
 104                 $actual = $merger->getMetadataArray();
 105                 $expected = array(
 106                         'foo' => 'xmp',
 107                         'bar' => 'iptc (bad hash)',
 108                         'baz' => 'exif',
 109                         'fred' => 'xmp',
 110                 );
 111                 $this->assertEquals( $expected, $actual );
 112         }
 113
 114         public function testPNGXMP() {
 115                 if ( !wfDl( 'xml' ) ) {
 116                         $this->markTestSkipped( "This test needs the xml extension." );
 117                 }
 118                 $handler = new BitmapMetadataHandler();
 119                 $result = $handler->png( $this->filePath . 'xmp.png' );
 120                 $expected = array (
 121                         'frameCount' => 0,
 122                         'loopCount' => 1,
 123                         'duration' => 0,
 124                         'bitDepth' => 1,
 125                         'colorType' => 'index-coloured',
 126                         'metadata' => array (
 127                                 'SerialNumber' => '123456789',
 128                                 '_MW_PNG_VERSION' => 1,
 129                         ),
 130                 );
 131                 $this->assertEquals( $expected, $result );
 132         }
 133         public function testPNGNative() {
 134                 $handler = new BitmapMetadataHandler();
 135                 $result = $handler->png( $this->filePath . 'Png-native-test.png' );
 136                 $expected = 'http://example.com/url';
 137                 $this->assertEquals( $expected, $result['metadata']['Identifier']['x-default'] );
 138         }
 139         public function testTiffByteOrder() {
 140                 $handler = new BitmapMetadataHandler();
 141                 $res = $handler->getTiffByteOrder( $this->filePath . 'test.tiff' );
 142                 $this->assertEquals( 'LE', $res );
 143         }
 144
 145 }