tests/phpunit/includes/media/PNGTest.php

   1 <?php
   2
   3 /**
   4  * @group Media
   5  */
   6 class PNGHandlerTest extends MediaWikiMediaTestCase {
   7
   8         /** @var PNGHandler */
   9         protected $handler;
  10
  11         protected function setUp() {
  12                 parent::setUp();
  13                 $this->handler = new PNGHandler();
  14         }
  15
  16         /**
  17          * @covers PNGHandler::getMetadata
  18          */
  19         public function testInvalidFile() {
  20                 $res = $this->handler->getMetadata( null, $this->filePath . '/README' );
  21                 $this->assertEquals( PNGHandler::BROKEN_FILE, $res );
  22         }
  23
  24         /**
  25          * @param string $filename Basename of the file to check
  26          * @param bool $expected Expected result.
  27          * @dataProvider provideIsAnimated
  28          * @covers PNGHandler::isAnimatedImage
  29          */
  30         public function testIsAnimanted( $filename, $expected ) {
  31                 $file = $this->dataFile( $filename, 'image/png' );
  32                 $actual = $this->handler->isAnimatedImage( $file );
  33                 $this->assertEquals( $expected, $actual );
  34         }
  35
  36         public static function provideIsAnimated() {
  37                 return [
  38                         [ 'Animated_PNG_example_bouncing_beach_ball.png', true ],
  39                         [ '1bit-png.png', false ],
  40                 ];
  41         }
  42
  43         /**
  44          * @param string $filename
  45          * @param int $expected Total image area
  46          * @dataProvider provideGetImageArea
  47          * @covers PNGHandler::getImageArea
  48          */
  49         public function testGetImageArea( $filename, $expected ) {
  50                 $file = $this->dataFile( $filename, 'image/png' );
  51                 $actual = $this->handler->getImageArea( $file, $file->getWidth(), $file->getHeight() );
  52                 $this->assertEquals( $expected, $actual );
  53         }
  54
  55         public static function provideGetImageArea() {
  56                 return [
  57                         [ '1bit-png.png', 2500 ],
  58                         [ 'greyscale-png.png', 2500 ],
  59                         [ 'Png-native-test.png', 126000 ],
  60                         [ 'Animated_PNG_example_bouncing_beach_ball.png', 10000 ],
  61                 ];
  62         }
  63
  64         /**
  65          * @param string $metadata Serialized metadata
  66          * @param int $expected One of the class constants of PNGHandler
  67          * @dataProvider provideIsMetadataValid
  68          * @covers PNGHandler::isMetadataValid
  69          */
  70         public function testIsMetadataValid( $metadata, $expected ) {
  71                 $actual = $this->handler->isMetadataValid( null, $metadata );
  72                 $this->assertEquals( $expected, $actual );
  73         }
  74
  75         public static function provideIsMetadataValid() {
  76                 return [
  77                         [ PNGHandler::BROKEN_FILE, PNGHandler::METADATA_GOOD ],
  78                         [ '', PNGHandler::METADATA_BAD ],
  79                         [ null, PNGHandler::METADATA_BAD ],
  80                         [ 'Something invalid!', PNGHandler::METADATA_BAD ],
  81                         // @codingStandardsIgnoreStart Ignore Generic.Files.LineLength.TooLong
  82                         [
  83                                 'a:6:{s:10:"frameCount";i:0;s:9:"loopCount";i:1;s:8:"duration";d:0;s:8:"bitDepth";i:8;s:9:"colorType";s:10:"truecolour";s:8:"metadata";a:1:{s:15:"_MW_PNG_VERSION";i:1;}}',
  84                                 PNGHandler::METADATA_GOOD
  85                         ],
  86                         // @codingStandardsIgnoreEnd
  87                 ];
  88         }
  89
  90         /**
  91          * @param string $filename
  92          * @param string $expected Serialized array
  93          * @dataProvider provideGetMetadata
  94          * @covers PNGHandler::getMetadata
  95          */
  96         public function testGetMetadata( $filename, $expected ) {
  97                 $file = $this->dataFile( $filename, 'image/png' );
  98                 $actual = $this->handler->getMetadata( $file, "$this->filePath/$filename" );
  99 //              $this->assertEquals( unserialize( $expected ), unserialize( $actual ) );
 100                 $this->assertEquals( ( $expected ), ( $actual ) );
 101         }
 102
 103         public static function provideGetMetadata() {
 104                 return [
 105                         // @codingStandardsIgnoreStart Ignore Generic.Files.LineLength.TooLong
 106                         [
 107                                 'rgb-na-png.png',
 108                                 'a:6:{s:10:"frameCount";i:0;s:9:"loopCount";i:1;s:8:"duration";d:0;s:8:"bitDepth";i:8;s:9:"colorType";s:10:"truecolour";s:8:"metadata";a:1:{s:15:"_MW_PNG_VERSION";i:1;}}'
 109                         ],
 110                         [
 111                                 'xmp.png',
 112                                 'a:6:{s:10:"frameCount";i:0;s:9:"loopCount";i:1;s:8:"duration";d:0;s:8:"bitDepth";i:1;s:9:"colorType";s:14:"index-coloured";s:8:"metadata";a:2:{s:12:"SerialNumber";s:9:"123456789";s:15:"_MW_PNG_VERSION";i:1;}}'
 113                         ],
 114                         // @codingStandardsIgnoreEnd
 115                 ];
 116         }
 117
 118         /**
 119          * @param string $filename
 120          * @param array $expected Expected standard metadata
 121          * @dataProvider provideGetIndependentMetaArray
 122          * @covers PNGHandler::getCommonMetaArray
 123          */
 124         public function testGetIndependentMetaArray( $filename, $expected ) {
 125                 $file = $this->dataFile( $filename, 'image/png' );
 126                 $actual = $this->handler->getCommonMetaArray( $file );
 127                 $this->assertEquals( $expected, $actual );
 128         }
 129
 130         public static function provideGetIndependentMetaArray() {
 131                 return [
 132                         [ 'rgb-na-png.png', [] ],
 133                         [ 'xmp.png',
 134                                 [
 135                                         'SerialNumber' => '123456789',
 136                                 ]
 137                         ],
 138                 ];
 139         }
 140
 141         /**
 142          * @param string $filename
 143          * @param float $expectedLength
 144          * @dataProvider provideGetLength
 145          */
 146         public function testGetLength( $filename, $expectedLength ) {
 147                 $file = $this->dataFile( $filename, 'image/png' );
 148                 $actualLength = $file->getLength();
 149                 $this->assertEquals( $expectedLength, $actualLength, '', 0.00001 );
 150         }
 151
 152         public function provideGetLength() {
 153                 return [
 154                         [ 'Animated_PNG_example_bouncing_beach_ball.png', 1.5 ],
 155                         [ 'Png-native-test.png', 0.0 ],
 156                         [ 'greyscale-png.png', 0.0 ],
 157                         [ '1bit-png.png', 0.0 ],
 158                 ];
 159         }
 160 }