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                 global $wgShowEXIF;
  22
  23                 if ( !wfDl( 'exif' ) ) {
  24                         $this->markTestSkipped( "This test needs the exif extension." );
  25                 }
  26                 if ( !wfDl( 'xml' ) ) {
  27                         $this->markTestSkipped( "This test needs the xml extension." );
  28                 }
  29
  30                 $wgShowEXIF = true;
  31
  32                 $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
  33                         '/Xmp-exif-multilingual_test.jpg' );
  34
  35                 $expected = array(
  36                         'x-default' => 'right(iptc)',
  37                         'en'        => 'right translation',
  38                         '_type'     => 'lang'
  39                 );
  40
  41                 $this->assertArrayHasKey( 'ImageDescription', $meta,
  42                         'Did not extract any ImageDescription info?!' );
  43
  44                 $this->assertEquals( $expected, $meta['ImageDescription'] );
  45         }
  46
  47         /**
  48          * Test for jpeg comments are being handled by
  49          * BitmapMetadataHandler correctly.
  50          *
  51          * There's more extensive tests of comment extraction in
  52          * JpegMetadataExtractorTests.php
  53          */
  54         public function testJpegComment() {
  55                 $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
  56                         'jpeg-comment-utf.jpg' );
  57
  58                 $this->assertEquals( 'UTF-8 JPEG Comment — ¼',
  59                         $meta['JPEGFileComment'][0] );
  60         }
  61
  62         /**
  63          * Make sure a bad iptc block doesn't stop the other metadata
  64          * from being extracted.
  65          */
  66         public function testBadIPTC() {
  67                 $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
  68                         'iptc-invalid-psir.jpg' );
  69                 $this->assertEquals( 'Created with GIMP', $meta['JPEGFileComment'][0] );
  70         }
  71
  72         public function testIPTCDates() {
  73                 $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
  74                         'iptc-timetest.jpg' );
  75
  76                 $this->assertEquals( '2020:07:14 01:36:05', $meta['DateTimeDigitized'] );
  77                 $this->assertEquals( '1997:03:02 00:01:02', $meta['DateTimeOriginal'] );
  78         }
  79
  80         /**
  81          * File has an invalid time (+ one valid but really weird time)
  82          * that shouldn't be included
  83          */
  84         public function testIPTCDatesInvalid() {
  85                 $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
  86                         'iptc-timetest-invalid.jpg' );
  87
  88                 $this->assertEquals( '1845:03:02 00:01:02', $meta['DateTimeOriginal'] );
  89                 $this->assertFalse( isset( $meta['DateTimeDigitized'] ) );
  90         }
  91
  92         /**
  93          * XMP data should take priority over iptc data
  94          * when hash has been updated, but not when
  95          * the hash is wrong.
  96          */
  97         public function testMerging() {
  98                 $merger = new BitmapMetadataHandler();
  99                 $merger->addMetadata( array( 'foo' => 'xmp' ), 'xmp-general' );
 100                 $merger->addMetadata( array( 'bar' => 'xmp' ), 'xmp-general' );
 101                 $merger->addMetadata( array( 'baz' => 'xmp' ), 'xmp-general' );
 102                 $merger->addMetadata( array( 'fred' => 'xmp' ), 'xmp-general' );
 103                 $merger->addMetadata( array( 'foo' => 'iptc (hash)' ), 'iptc-good-hash' );
 104                 $merger->addMetadata( array( 'bar' => 'iptc (bad hash)' ), 'iptc-bad-hash' );
 105                 $merger->addMetadata( array( 'baz' => 'iptc (bad hash)' ), 'iptc-bad-hash' );
 106                 $merger->addMetadata( array( 'fred' => 'iptc (no hash)' ), 'iptc-no-hash' );
 107                 $merger->addMetadata( array( 'baz' => 'exif' ), 'exif' );
 108
 109                 $actual = $merger->getMetadataArray();
 110                 $expected = array(
 111                         'foo' => 'xmp',
 112                         'bar' => 'iptc (bad hash)',
 113                         'baz' => 'exif',
 114                         'fred' => 'xmp',
 115                 );
 116                 $this->assertEquals( $expected, $actual );
 117         }
 118
 119         public function testPNGXMP() {
 120                 if ( !wfDl( 'xml' ) ) {
 121                         $this->markTestSkipped( "This test needs the xml extension." );
 122                 }
 123                 $handler = new BitmapMetadataHandler();
 124                 $result = $handler->png( $this->filePath . 'xmp.png' );
 125                 $expected = array (
 126                         'frameCount' => 0,
 127                         'loopCount' => 1,
 128                         'duration' => 0,
 129                         'bitDepth' => 1,
 130                         'colorType' => 'index-coloured',
 131                         'metadata' => array (
 132                                 'SerialNumber' => '123456789',
 133                                 '_MW_PNG_VERSION' => 1,
 134                         ),
 135                 );
 136                 $this->assertEquals( $expected, $result );
 137         }
 138
 139         public function testPNGNative() {
 140                 $handler = new BitmapMetadataHandler();
 141                 $result = $handler->png( $this->filePath . 'Png-native-test.png' );
 142                 $expected = 'http://example.com/url';
 143                 $this->assertEquals( $expected, $result['metadata']['Identifier']['x-default'] );
 144         }
 145
 146         public function testTiffByteOrder() {
 147                 $handler = new BitmapMetadataHandler();
 148                 $res = $handler->getTiffByteOrder( $this->filePath . 'test.tiff' );
 149                 $this->assertEquals( 'LE', $res );
 150         }
 151
 152 }