tests/phpunit/includes/media/WebPTest.php

   1 <?php
   2
   3 /**
   4  * @covers WebPHandler
   5  */
   6 class WebPHandlerTest extends MediaWikiTestCase {
   7         public function setUp() {
   8                 parent::setUp();
   9                 // Allocated file for testing
  10                 $this->tempFileName = tempnam( wfTempDir(), 'WEBP' );
  11         }
  12         public function tearDown() {
  13                 parent::tearDown();
  14                 unlink( $this->tempFileName );
  15         }
  16         /**
  17          * @dataProvider provideTestExtractMetaData
  18          */
  19         public function testExtractMetaData( $header, $expectedResult ) {
  20                 // Put header into file
  21                 file_put_contents( $this->tempFileName, $header );
  22
  23                 $this->assertEquals( $expectedResult, WebPHandler::extractMetadata( $this->tempFileName ) );
  24         }
  25         public function provideTestExtractMetaData() {
  26                 // @codingStandardsIgnoreStart Generic.Files.LineLength
  27                 return [
  28                         // Files from https://developers.google.com/speed/webp/gallery2
  29                         [ "\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",
  30                                 [ 'compression' => 'lossless', 'width' => 400, 'height' => 301 ] ],
  31                         [ "\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",
  32                                 [ 'compression' => 'unknown', 'animated' => false, 'transparency' => true, 'width' => 400, 'height' => 301 ] ],
  33                         [ "\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",
  34                                 [ 'compression' => 'lossless', 'width' => 386, 'height' => 395 ] ],
  35                         [ "\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",
  36                                 [ 'compression' => 'unknown', 'animated' => false, 'transparency' => true, 'width' => 386, 'height' => 395 ] ],
  37                         [ "\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",
  38                                 [ 'compression' => 'lossless', 'width' => 800, 'height' => 600 ] ],
  39                         [ "\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",
  40                                 [ 'compression' => 'unknown', 'animated' => false, 'transparency' => true, 'width' => 800, 'height' => 600 ] ],
  41                         [ "\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",
  42                                 [ 'compression' => 'lossless', 'width' => 421, 'height' => 163 ] ],
  43                         [ "\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",
  44                                 [ 'compression' => 'unknown', 'animated' => false, 'transparency' => true, 'width' => 421, 'height' => 163 ] ],
  45                         [ "\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",
  46                                 [ 'compression' => 'lossless', 'width' => 300, 'height' => 300 ] ],
  47                         [ "\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",
  48                                 [ 'compression' => 'unknown', 'animated' => false, 'transparency' => true, 'width' => 300, 'height' => 300 ] ],
  49
  50                         // Lossy files from https://developers.google.com/speed/webp/gallery1
  51                         [ "\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",
  52                                 [ 'compression' => 'lossy', 'width' => 550, 'height' => 368 ] ],
  53                         [ "\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",
  54                                 [ 'compression' => 'lossy', 'width' => 550, 'height' => 404 ] ],
  55                         [ "\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",
  56                                 [ 'compression' => 'lossy', 'width' => 1280, 'height' => 720 ] ],
  57                         [ "\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",
  58                                 [ 'compression' => 'lossy', 'width' => 1024, 'height' => 772 ] ],
  59                         [ "\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",
  60                                 [ 'compression' => 'lossy', 'width' => 1024, 'height' => 752 ] ],
  61
  62                         // Animated file from https://groups.google.com/a/chromium.org/d/topic/blink-dev/Y8tRC4mdQz8/discussion
  63                         [ "\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",
  64                                 [ 'compression' => 'unknown', 'animated' => true, 'transparency' => true, 'width' => 320, 'height' => 320 ] ],
  65
  66                         // Error cases
  67                         [ '', false ],
  68                         [ '                                    ', false ],
  69                         [ 'RIFF                                ', false ],
  70                         [ 'RIFF1234WEBP                        ', false ],
  71                         [ 'RIFF1234WEBPVP8                     ', false ],
  72                         [ 'RIFF1234WEBPVP8L                    ', false ],
  73                 ];
  74                 // @codingStandardsIgnoreEnd
  75         }
  76
  77         /**
  78          * @dataProvider provideTestWithFileExtractMetaData
  79          */
  80         public function testWithFileExtractMetaData( $filename, $expectedResult ) {
  81                 $this->assertEquals( $expectedResult, WebPHandler::extractMetadata( $filename ) );
  82         }
  83         public function provideTestWithFileExtractMetaData() {
  84                 return [
  85                         [ __DIR__ . '/../../data/media/2_webp_ll.webp',
  86                                 [
  87                                         'compression' => 'lossless',
  88                                         'width' => 386,
  89                                         'height' => 395
  90                                 ]
  91                         ],
  92                         [ __DIR__ . '/../../data/media/2_webp_a.webp',
  93                                 [
  94                                         'compression' => 'lossy',
  95                                         'animated' => false,
  96                                         'transparency' => true,
  97                                         'width' => 386,
  98                                         'height' => 395
  99                                 ]
 100                         ],
 101                 ];
 102         }
 103
 104         /**
 105          * @dataProvider provideTestGetImageSize
 106          */
 107         public function testGetImageSize( $path, $expectedResult ) {
 108                 $handler = new WebPHandler();
 109                 $this->assertEquals( $expectedResult, $handler->getImageSize( null, $path ) );
 110         }
 111         public function provideTestGetImageSize() {
 112                 return [
 113                         // Public domain files from https://developers.google.com/speed/webp/gallery2
 114                         [ __DIR__ . '/../../data/media/2_webp_a.webp', [ 386, 395 ] ],
 115                         [ __DIR__ . '/../../data/media/2_webp_ll.webp', [ 386, 395 ] ],
 116                         [ __DIR__ . '/../../data/media/webp_animated.webp', [ 300, 225 ] ],
 117
 118                         // Error cases
 119                         [ __FILE__, false ],
 120                 ];
 121         }
 122
 123         /**
 124          * Tests the WebP MIME detection. This should really be a separate test, but sticking it
 125          * here for now.
 126          *
 127          * @dataProvider provideTestGetMimeType
 128          */
 129         public function testGuessMimeType( $path ) {
 130                 $mime = MediaWiki\MediaWikiServices::getInstance()->getMimeAnalyzer();
 131                 $this->assertEquals( 'image/webp', $mime->guessMimeType( $path, false ) );
 132         }
 133         public function provideTestGetMimeType() {
 134                 return [
 135                                 // Public domain files from https://developers.google.com/speed/webp/gallery2
 136                                 [ __DIR__ . '/../../data/media/2_webp_a.webp' ],
 137                                 [ __DIR__ . '/../../data/media/2_webp_ll.webp' ],
 138                                 [ __DIR__ . '/../../data/media/webp_animated.webp' ],
 139                 ];
 140         }
 141 }
 142
 143 /* Python code to extract a header and convert to PHP format:
 144  * print '"%s"' % ''.implode( '\\x%02X' % ord(c) for c in urllib.urlopen(url).read(36) )
 145  */