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