tests/phpunit/includes/media/WebPTest.php

   1 <?php
   2 class WebPHandlerTest extends MediaWikiTestCase {
   3         public function setUp() {
   4                 parent::setUp();
   5                 // Allocated file for testing
   6                 $this->tempFileName = tempnam( wfTempDir(), 'WEBP' );
   7         }
   8         public function tearDown() {
   9                 parent::tearDown();
  10                 unlink( $this->tempFileName );
  11         }
  12         /**
  13          * @dataProvider provideTestExtractMetaData
  14          */
  15         public function testExtractMetaData( $header, $expectedResult ) {
  16                 // Put header into file
  17                 file_put_contents( $this->tempFileName, $header );
  18
  19                 $this->assertEquals( $expectedResult, WebPHandler::extractMetadata( $this->tempFileName ) );
  20         }
  21         public function provideTestExtractMetaData() {
  22                 return array(
  23                         // Files from https://developers.google.com/speed/webp/gallery2
  24                         array( "\x52\x49\x46\x46\x90\x68\x01\x00\x57\x45\x42\x50\x56\x50\x38\x4C\x83\x68\x01\x00\x2F\x8F\x01\x4B\x10\x8D\x38\x6C\xDB\x46\x92\xE0\xE0\x82\x7B\x6C",
  25                                 array( 'compression' => 'lossless', 'width' => 400, 'height' => 301 ) ),
  26                         array( "\x52\x49\x46\x46\x64\x5B\x00\x00\x57\x45\x42\x50\x56\x50\x38\x58\x0A\x00\x00\x00\x10\x00\x00\x00\x8F\x01\x00\x2C\x01\x00\x41\x4C\x50\x48\xE5\x0E",
  27                                 array( 'compression' => 'unknown', 'animated' => false, 'transparency' => true, 'width' => 400, 'height' => 301) ),
  28                         array( "\x52\x49\x46\x46\xA8\x72\x00\x00\x57\x45\x42\x50\x56\x50\x38\x4C\x9B\x72\x00\x00\x2F\x81\x81\x62\x10\x8D\x40\x8C\x24\x39\x6E\x73\x73\x38\x01\x96",
  29                                 array( 'compression' => 'lossless', 'width' => 386, 'height' => 395 ) ),
  30                         array( "\x52\x49\x46\x46\xE0\x42\x00\x00\x57\x45\x42\x50\x56\x50\x38\x58\x0A\x00\x00\x00\x10\x00\x00\x00\x81\x01\x00\x8A\x01\x00\x41\x4C\x50\x48\x56\x10",
  31                                 array( 'compression' => 'unknown', 'animated' => false, 'transparency' => true, 'width' => 386, 'height' => 395 ) ),
  32                         array( "\x52\x49\x46\x46\x70\x61\x02\x00\x57\x45\x42\x50\x56\x50\x38\x4C\x63\x61\x02\x00\x2F\x1F\xC3\x95\x10\x8D\xC8\x72\xDB\xC8\x92\x24\xD8\x91\xD9\x91",
  33                                 array( 'compression' => 'lossless', 'width' => 800, 'height' => 600 ) ),
  34                         array( "\x52\x49\x46\x46\x1C\x1D\x01\x00\x57\x45\x42\x50\x56\x50\x38\x58\x0A\x00\x00\x00\x10\x00\x00\x00\x1F\x03\x00\x57\x02\x00\x41\x4C\x50\x48\x25\x8B",
  35                                 array( 'compression' => 'unknown', 'animated' => false, 'transparency' => true, 'width' => 800, 'height' => 600 ) ),
  36                         array( "\x52\x49\x46\x46\xFA\xC5\x00\x00\x57\x45\x42\x50\x56\x50\x38\x4C\xEE\xC5\x00\x00\x2F\xA4\x81\x28\x10\x8D\x40\x68\x24\xC9\x91\xA4\xAE\xF3\x97\x75",
  37                                 array( 'compression' => 'lossless', 'width' => 421, 'height' => 163 ) ),
  38                         array( "\x52\x49\x46\x46\xF6\x5D\x00\x00\x57\x45\x42\x50\x56\x50\x38\x58\x0A\x00\x00\x00\x10\x00\x00\x00\xA4\x01\x00\xA2\x00\x00\x41\x4C\x50\x48\x38\x1A",
  39                                 array( 'compression' => 'unknown', 'animated' => false, 'transparency' => true, 'width' => 421, 'height' => 163 ) ),
  40                         array( "\x52\x49\x46\x46\xC4\x96\x01\x00\x57\x45\x42\x50\x56\x50\x38\x4C\xB8\x96\x01\x00\x2F\x2B\xC1\x4A\x10\x11\x87\x6D\xDB\x48\x12\xFC\x60\xB0\x83\x24",
  41                                 array( 'compression' => 'lossless', 'width' => 300, 'height' => 300 ) ),
  42                         array( "\x52\x49\x46\x46\x0A\x11\x01\x00\x57\x45\x42\x50\x56\x50\x38\x58\x0A\x00\x00\x00\x10\x00\x00\x00\x2B\x01\x00\x2B\x01\x00\x41\x4C\x50\x48\x67\x6E",
  43                                 array( 'compression' => 'unknown', 'animated' => false, 'transparency' => true, 'width' => 300, 'height' => 300 ) ),
  44
  45                         // Lossy files from https://developers.google.com/speed/webp/gallery1
  46                         array( "\x52\x49\x46\x46\x68\x76\x00\x00\x57\x45\x42\x50\x56\x50\x38\x20\x5C\x76\x00\x00\xD2\xBE\x01\x9D\x01\x2A\x26\x02\x70\x01\x3E\xD5\x4E\x97\x43\xA2",
  47                                 array( 'compression' => 'lossy', 'width' => 550, 'height' => 368 ) ),
  48                         array( "\x52\x49\x46\x46\xB0\xEC\x00\x00\x57\x45\x42\x50\x56\x50\x38\x20\xA4\xEC\x00\x00\xB2\x4B\x02\x9D\x01\x2A\x26\x02\x94\x01\x3E\xD1\x50\x96\x46\x26",
  49                                 array( 'compression' => 'lossy', 'width' => 550, 'height' => 404 ) ),
  50                         array( "\x52\x49\x46\x46\x7A\x19\x03\x00\x57\x45\x42\x50\x56\x50\x38\x20\x6E\x19\x03\x00\xB2\xF8\x09\x9D\x01\x2A\x00\x05\xD0\x02\x3E\xAD\x46\x99\x4A\xA5",
  51                                 array( 'compression' => 'lossy', 'width' => 1280, 'height' => 720 ) ),
  52                         array( "\x52\x49\x46\x46\x44\xB3\x02\x00\x57\x45\x42\x50\x56\x50\x38\x20\x38\xB3\x02\x00\x52\x57\x06\x9D\x01\x2A\x00\x04\x04\x03\x3E\xA5\x44\x96\x49\x26",
  53                                 array( 'compression' => 'lossy', 'width' => 1024, 'height' => 772) ),
  54                         array( "\x52\x49\x46\x46\x02\x43\x01\x00\x57\x45\x42\x50\x56\x50\x38\x20\xF6\x42\x01\x00\x12\xC0\x05\x9D\x01\x2A\x00\x04\xF0\x02\x3E\x79\x34\x93\x47\xA4",
  55                                 array( 'compression' => 'lossy', 'width' => 1024, 'height' => 752) ),
  56
  57                         // Animated file from https://groups.google.com/a/chromium.org/d/topic/blink-dev/Y8tRC4mdQz8/discussion
  58                         array( "\x52\x49\x46\x46\xD0\x0B\x02\x00\x57\x45\x42\x50\x56\x50\x38\x58\x0A\x00\x00\x00\x12\x00\x00\x00\x3F\x01\x00\x3F\x01\x00\x41\x4E",
  59                                 array( 'compression' => 'unknown', 'animated' => true, 'transparency' => true, 'width' => 320, 'height' => 320 ) ),
  60
  61                         // Error cases
  62                         array( '', false ),
  63                         array( '                                    ', false ),
  64                         array( 'RIFF                                ', false ),
  65                         array( 'RIFF1234WEBP                        ', false ),
  66                         array( 'RIFF1234WEBPVP8                     ', false ),
  67                         array( 'RIFF1234WEBPVP8L                    ', false ),
  68                 );
  69         }
  70
  71         /**
  72          * @dataProvider provideTestWithFileExtractMetaData
  73          */
  74         public function testWithFileExtractMetaData( $filename, $expectedResult ) {
  75                 $this->assertEquals( $expectedResult, WebPHandler::extractMetadata( $filename ) );
  76         }
  77         public function provideTestWithFileExtractMetaData() {
  78                 return array(
  79                                 array( __DIR__ . '/../../data/media/2_webp_ll.webp',
  80                                         array( 'compression' => 'lossless', 'width' => 386, 'height' => 395 ) ),
  81                                 array( __DIR__ . '/../../data/media/2_webp_a.webp',
  82                                         array( 'compression' => 'lossy', 'animated' => false, 'transparency' => true, 'width' => 386, 'height' => 395 ) ),
  83                 );
  84         }
  85
  86         /**
  87          * @dataProvider provideTestGetImageSize
  88          */
  89         public function testGetImageSize( $path, $expectedResult ) {
  90                 $handler = new WebPHandler();
  91                 $this->assertEquals( $expectedResult, $handler->getImageSize( null, $path ) );
  92         }
  93         public function provideTestGetImageSize() {
  94                 return array(
  95                         // Public domain files from https://developers.google.com/speed/webp/gallery2
  96                         array( __DIR__ . '/../../data/media/2_webp_a.webp', array( 386, 395 ) ),
  97                         array( __DIR__ . '/../../data/media/2_webp_ll.webp', array( 386, 395 ) ),
  98                         array( __DIR__ . '/../../data/media/webp_animated.webp', array( 300, 225 ) ),
  99
 100                         // Error cases
 101                         array( __FILE__, false ),
 102                 );
 103         }
 104
 105         /**
 106          * Tests the WebP MIME detection. This should really be a separate test, but sticking it
 107          * here for now.
 108          *
 109          * @dataProvider provideTestGetMimeType
 110          */
 111         public function testGuessMimeType( $path ) {
 112                 $mime = MimeMagic::singleton();
 113                 $this->assertEquals( 'image/webp', $mime->guessMimeType( $path, false ) );
 114         }
 115         public function provideTestGetMimeType() {
 116                 return array(
 117                                 // Public domain files from https://developers.google.com/speed/webp/gallery2
 118                                 array( __DIR__ . '/../../data/media/2_webp_a.webp' ),
 119                                 array( __DIR__ . '/../../data/media/2_webp_ll.webp' ),
 120                                 array( __DIR__ . '/../../data/media/webp_animated.webp' ),
 121                 );
 122         }
 123 }
 124
 125 /* Python code to extract a header and convert to PHP format:
 126  * print '"%s"' % ''.join( '\\x%02X' % ord(c) for c in urllib.urlopen(url).read(36) )
 127  */