tests/phpunit/includes/media/BitmapMetadataHandlerTest.php

   1 <?php
   2 class BitmapMetadataHandlerTest extends MediaWikiTestCase {
   3
   4         protected function setUp() {
   5                 parent::setUp();
   6
   7                 $this->setMwGlobals( 'wgShowEXIF', false );
   8
   9                 $this->filePath = __DIR__ . '/../../data/media/';
  10         }
  11
  12         /**
  13          * Test if having conflicting metadata values from different
  14          * types of metadata, that the right one takes precedence.
  15          *
  16          * Basically the file has IPTC and XMP metadata, the
  17          * IPTC should override the XMP, except for the multilingual
  18          * translation (to en) where XMP should win.
  19          */
  20         public function testMultilingualCascade() {
  21                 if ( !wfDl( 'exif' ) ) {
  22                         $this->markTestSkipped( "This test needs the exif extension." );
  23                 }
  24                 if ( !wfDl( 'xml' ) ) {
  25                         $this->markTestSkipped( "This test needs the xml extension." );
  26                 }
  27
  28                 $this->setMwGlobals( 'wgShowEXIF', true );
  29
  30                 $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
  31                         '/Xmp-exif-multilingual_test.jpg' );
  32
  33                 $expected = array(
  34                         'x-default' => 'right(iptc)',
  35                         'en' => 'right translation',
  36                         '_type' => 'lang'
  37                 );
  38
  39                 $this->assertArrayHasKey( 'ImageDescription', $meta,
  40                         'Did not extract any ImageDescription info?!' );
  41
  42                 $this->assertEquals( $expected, $meta['ImageDescription'] );
  43         }
  44
  45         /**
  46          * Test for jpeg comments are being handled by
  47          * BitmapMetadataHandler correctly.
  48          *
  49          * There's more extensive tests of comment extraction in
  50          * JpegMetadataExtractorTests.php
  51          */
  52         public function testJpegComment() {
  53                 $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
  54                         'jpeg-comment-utf.jpg' );
  55
  56                 $this->assertEquals( 'UTF-8 JPEG Comment — ¼',
  57                         $meta['JPEGFileComment'][0] );
  58         }
  59
  60         /**
  61          * Make sure a bad iptc block doesn't stop the other metadata
  62          * from being extracted.
  63          */
  64         public function testBadIPTC() {
  65                 $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
  66                         'iptc-invalid-psir.jpg' );
  67                 $this->assertEquals( 'Created with GIMP', $meta['JPEGFileComment'][0] );
  68         }
  69
  70         public function testIPTCDates() {
  71                 $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
  72                         'iptc-timetest.jpg' );
  73
  74                 $this->assertEquals( '2020:07:14 01:36:05', $meta['DateTimeDigitized'] );
  75                 $this->assertEquals( '1997:03:02 00:01:02', $meta['DateTimeOriginal'] );
  76         }
  77
  78         /**
  79          * File has an invalid time (+ one valid but really weird time)
  80          * that shouldn't be included
  81          */
  82         public function testIPTCDatesInvalid() {
  83                 $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
  84                         'iptc-timetest-invalid.jpg' );
  85
  86                 $this->assertEquals( '1845:03:02 00:01:02', $meta['DateTimeOriginal'] );
  87                 $this->assertFalse( isset( $meta['DateTimeDigitized'] ) );
  88         }
  89
  90         /**
  91          * XMP data should take priority over iptc data
  92          * when hash has been updated, but not when
  93          * the hash is wrong.
  94          */
  95         public function testMerging() {
  96                 $merger = new BitmapMetadataHandler();
  97                 $merger->addMetadata( array( 'foo' => 'xmp' ), 'xmp-general' );
  98                 $merger->addMetadata( array( 'bar' => 'xmp' ), 'xmp-general' );
  99                 $merger->addMetadata( array( 'baz' => 'xmp' ), 'xmp-general' );
 100                 $merger->addMetadata( array( 'fred' => 'xmp' ), 'xmp-general' );
 101                 $merger->addMetadata( array( 'foo' => 'iptc (hash)' ), 'iptc-good-hash' );
 102                 $merger->addMetadata( array( 'bar' => 'iptc (bad hash)' ), 'iptc-bad-hash' );
 103                 $merger->addMetadata( array( 'baz' => 'iptc (bad hash)' ), 'iptc-bad-hash' );
 104                 $merger->addMetadata( array( 'fred' => 'iptc (no hash)' ), 'iptc-no-hash' );
 105                 $merger->addMetadata( array( 'baz' => 'exif' ), 'exif' );
 106
 107                 $actual = $merger->getMetadataArray();
 108                 $expected = array(
 109                         'foo' => 'xmp',
 110                         'bar' => 'iptc (bad hash)',
 111                         'baz' => 'exif',
 112                         'fred' => 'xmp',
 113                 );
 114                 $this->assertEquals( $expected, $actual );
 115         }
 116
 117         public function testPNGXMP() {
 118                 if ( !wfDl( 'xml' ) ) {
 119                         $this->markTestSkipped( "This test needs the xml extension." );
 120                 }
 121                 $handler = new BitmapMetadataHandler();
 122                 $result = $handler->png( $this->filePath . 'xmp.png' );
 123                 $expected = array(
 124                         'frameCount' => 0,
 125                         'loopCount' => 1,
 126                         'duration' => 0,
 127                         'bitDepth' => 1,
 128                         'colorType' => 'index-coloured',
 129                         'metadata' => array(
 130                                 'SerialNumber' => '123456789',
 131                                 '_MW_PNG_VERSION' => 1,
 132                         ),
 133                 );
 134                 $this->assertEquals( $expected, $result );
 135         }
 136
 137         public function testPNGNative() {
 138                 $handler = new BitmapMetadataHandler();
 139                 $result = $handler->png( $this->filePath . 'Png-native-test.png' );
 140                 $expected = 'http://example.com/url';
 141                 $this->assertEquals( $expected, $result['metadata']['Identifier']['x-default'] );
 142         }
 143
 144         public function testTiffByteOrder() {
 145                 $handler = new BitmapMetadataHandler();
 146                 $res = $handler->getTiffByteOrder( $this->filePath . 'test.tiff' );
 147                 $this->assertEquals( 'LE', $res );
 148         }
 149 }