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 array(
  38                         array( 'Animated_PNG_example_bouncing_beach_ball.png', true ),
  39                         array( '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 array(
  57                         array( '1bit-png.png', 2500 ),
  58                         array( 'greyscale-png.png', 2500 ),
  59                         array( 'Png-native-test.png', 126000 ),
  60                         array( '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 array(
  77                         array( PNGHandler::BROKEN_FILE, PNGHandler::METADATA_GOOD ),
  78                         array( '', PNGHandler::METADATA_BAD ),
  79                         array( null, PNGHandler::METADATA_BAD ),
  80                         array( 'Something invalid!', PNGHandler::METADATA_BAD ),
  81                         // @codingStandardsIgnoreStart Ignore Generic.Files.LineLength.TooLong
  82                         array( '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;}}', PNGHandler::METADATA_GOOD ),
  83                         // @codingStandardsIgnoreEnd
  84                 );
  85         }
  86
  87         /**
  88          * @param string $filename
  89          * @param string $expected Serialized array
  90          * @dataProvider provideGetMetadata
  91          * @covers PNGHandler::getMetadata
  92          */
  93         public function testGetMetadata( $filename, $expected ) {
  94                 $file = $this->dataFile( $filename, 'image/png' );
  95                 $actual = $this->handler->getMetadata( $file, "$this->filePath/$filename" );
  96 //              $this->assertEquals( unserialize( $expected ), unserialize( $actual ) );
  97                 $this->assertEquals( ( $expected ), ( $actual ) );
  98         }
  99
 100         public static function provideGetMetadata() {
 101                 return array(
 102                         // @codingStandardsIgnoreStart Ignore Generic.Files.LineLength.TooLong
 103                         array( 'rgb-na-png.png', '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;}}' ),
 104                         array( 'xmp.png', '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;}}' ),
 105                         // @codingStandardsIgnoreEnd
 106                 );
 107         }
 108
 109         /**
 110          * @param string $filename
 111          * @param array $expected Expected standard metadata
 112          * @dataProvider provideGetIndependentMetaArray
 113          * @covers PNGHandler::getCommonMetaArray
 114          */
 115         public function testGetIndependentMetaArray( $filename, $expected ) {
 116                 $file = $this->dataFile( $filename, 'image/png' );
 117                 $actual = $this->handler->getCommonMetaArray( $file );
 118                 $this->assertEquals( $expected, $actual );
 119         }
 120
 121         public static function provideGetIndependentMetaArray() {
 122                 return array(
 123                         array( 'rgb-na-png.png', array() ),
 124                         array( 'xmp.png',
 125                                 array(
 126                                         'SerialNumber' => '123456789',
 127                                 )
 128                         ),
 129                 );
 130         }
 131
 132         /**
 133          * @param $filename string
 134          * @param $expectedLength float
 135          * @dataProvider provideGetLength
 136          */
 137         public function testGetLength( $filename, $expectedLength ) {
 138                 $file = $this->dataFile( $filename, 'image/png' );
 139                 $actualLength = $file->getLength();
 140                 $this->assertEquals( $expectedLength, $actualLength, '', 0.00001 );
 141         }
 142
 143         public function provideGetLength() {
 144                 return array(
 145                         array( 'Animated_PNG_example_bouncing_beach_ball.png', 1.5 ),
 146                         array( 'Png-native-test.png', 0.0 ),
 147                         array( 'greyscale-png.png', 0.0 ),
 148                         array( '1bit-png.png', 0.0 ),
 149                 );
 150         }
 151 }