tests/phpunit/includes/media/BitmapMetadataHandlerTest.php

   1 <?php
   2
   3 /**
   4  * @group Media
   5  */
   6 class BitmapMetadataHandlerTest extends MediaWikiTestCase {
   7
   8         protected function setUp() {
   9                 parent::setUp();
  10
  11                 $this->setMwGlobals( 'wgShowEXIF', false );
  12
  13                 $this->filePath = __DIR__ . '/../../data/media/';
  14         }
  15
  16         /**
  17          * Test if having conflicting metadata values from different
  18          * types of metadata, that the right one takes precedence.
  19          *
  20          * Basically the file has IPTC and XMP metadata, the
  21          * IPTC should override the XMP, except for the multilingual
  22          * translation (to en) where XMP should win.
  23          * @covers BitmapMetadataHandler::Jpeg
  24          */
  25         public function testMultilingualCascade() {
  26                 $this->checkPHPExtension( 'exif' );
  27                 $this->checkPHPExtension( 'xml' );
  28
  29                 $this->setMwGlobals( 'wgShowEXIF', true );
  30
  31                 $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
  32                         '/Xmp-exif-multilingual_test.jpg' );
  33
  34                 $expected = array(
  35                         'x-default' => 'right(iptc)',
  36                         'en' => 'right translation',
  37                         '_type' => 'lang'
  38                 );
  39
  40                 $this->assertArrayHasKey( 'ImageDescription', $meta,
  41                         'Did not extract any ImageDescription info?!' );
  42
  43                 $this->assertEquals( $expected, $meta['ImageDescription'] );
  44         }
  45
  46         /**
  47          * Test for jpeg comments are being handled by
  48          * BitmapMetadataHandler correctly.
  49          *
  50          * There's more extensive tests of comment extraction in
  51          * JpegMetadataExtractorTests.php
  52          * @covers BitmapMetadataHandler::Jpeg
  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          * @covers BitmapMetadataHandler::Jpeg
  66          */
  67         public function testBadIPTC() {
  68                 $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
  69                         'iptc-invalid-psir.jpg' );
  70                 $this->assertEquals( 'Created with GIMP', $meta['JPEGFileComment'][0] );
  71         }
  72
  73         /**
  74          * @covers BitmapMetadataHandler::Jpeg
  75          */
  76         public function testIPTCDates() {
  77                 $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
  78                         'iptc-timetest.jpg' );
  79
  80                 $this->assertEquals( '2020:07:14 01:36:05', $meta['DateTimeDigitized'] );
  81                 $this->assertEquals( '1997:03:02 00:01:02', $meta['DateTimeOriginal'] );
  82         }
  83
  84         /**
  85          * File has an invalid time (+ one valid but really weird time)
  86          * that shouldn't be included
  87          * @covers BitmapMetadataHandler::Jpeg
  88          */
  89         public function testIPTCDatesInvalid() {
  90                 $meta = BitmapMetadataHandler::Jpeg( $this->filePath .
  91                         'iptc-timetest-invalid.jpg' );
  92
  93                 $this->assertEquals( '1845:03:02 00:01:02', $meta['DateTimeOriginal'] );
  94                 $this->assertFalse( isset( $meta['DateTimeDigitized'] ) );
  95         }
  96
  97         /**
  98          * XMP data should take priority over iptc data
  99          * when hash has been updated, but not when
 100          * the hash is wrong.
 101          * @covers BitmapMetadataHandler::addMetadata
 102          * @covers BitmapMetadataHandler::getMetadataArray
 103          */
 104         public function testMerging() {
 105                 $merger = new BitmapMetadataHandler();
 106                 $merger->addMetadata( array( 'foo' => 'xmp' ), 'xmp-general' );
 107                 $merger->addMetadata( array( 'bar' => 'xmp' ), 'xmp-general' );
 108                 $merger->addMetadata( array( 'baz' => 'xmp' ), 'xmp-general' );
 109                 $merger->addMetadata( array( 'fred' => 'xmp' ), 'xmp-general' );
 110                 $merger->addMetadata( array( 'foo' => 'iptc (hash)' ), 'iptc-good-hash' );
 111                 $merger->addMetadata( array( 'bar' => 'iptc (bad hash)' ), 'iptc-bad-hash' );
 112                 $merger->addMetadata( array( 'baz' => 'iptc (bad hash)' ), 'iptc-bad-hash' );
 113                 $merger->addMetadata( array( 'fred' => 'iptc (no hash)' ), 'iptc-no-hash' );
 114                 $merger->addMetadata( array( 'baz' => 'exif' ), 'exif' );
 115
 116                 $actual = $merger->getMetadataArray();
 117                 $expected = array(
 118                         'foo' => 'xmp',
 119                         'bar' => 'iptc (bad hash)',
 120                         'baz' => 'exif',
 121                         'fred' => 'xmp',
 122                 );
 123                 $this->assertEquals( $expected, $actual );
 124         }
 125
 126         /**
 127          * @covers BitmapMetadataHandler::png
 128          */
 129         public function testPNGXMP() {
 130                 if ( !extension_loaded( 'xml' ) ) {
 131                         $this->markTestSkipped( "This test needs the xml extension." );
 132                 }
 133                 $handler = new BitmapMetadataHandler();
 134                 $result = $handler->png( $this->filePath . 'xmp.png' );
 135                 $expected = array(
 136                         'frameCount' => 0,
 137                         'loopCount' => 1,
 138                         'duration' => 0,
 139                         'bitDepth' => 1,
 140                         'colorType' => 'index-coloured',
 141                         'metadata' => array(
 142                                 'SerialNumber' => '123456789',
 143                                 '_MW_PNG_VERSION' => 1,
 144                         ),
 145                 );
 146                 $this->assertEquals( $expected, $result );
 147         }
 148
 149         /**
 150          * @covers BitmapMetadataHandler::png
 151          */
 152         public function testPNGNative() {
 153                 $handler = new BitmapMetadataHandler();
 154                 $result = $handler->png( $this->filePath . 'Png-native-test.png' );
 155                 $expected = 'http://example.com/url';
 156                 $this->assertEquals( $expected, $result['metadata']['Identifier']['x-default'] );
 157         }
 158
 159         /**
 160          * @covers BitmapMetadataHandler::getTiffByteOrder
 161          */
 162         public function testTiffByteOrder() {
 163                 $handler = new BitmapMetadataHandler();
 164                 $res = $handler->getTiffByteOrder( $this->filePath . 'test.tiff' );
 165                 $this->assertEquals( 'LE', $res );
 166         }
 167 }