tests/phpunit/includes/media/ExifRotationTest.php

   1 <?php
   2 /**
   3  * Tests related to auto rotation.
   4  *
   5  * @group Media
   6  * @group medium
   7  *
   8  * @todo covers tags
   9  */
  10 class ExifRotationTest extends MediaWikiMediaTestCase {
  11
  12         protected function setUp() {
  13                 parent::setUp();
  14                 $this->checkPHPExtension( 'exif' );
  15
  16                 $this->handler = new BitmapHandler();
  17
  18                 $this->setMwGlobals( array(
  19                         'wgShowEXIF' => true,
  20                         'wgEnableAutoRotation' => true,
  21                 ) );
  22         }
  23
  24         /**
  25          * Mark this test as creating thumbnail files.
  26          */
  27         protected function createsThumbnails() {
  28                 return true;
  29         }
  30
  31         /**
  32          * @dataProvider provideFiles
  33          */
  34         public function testMetadata( $name, $type, $info ) {
  35                 if ( !$this->handler->canRotate() ) {
  36                         $this->markTestSkipped( "This test needs a rasterizer that can auto-rotate." );
  37                 }
  38                 $file = $this->dataFile( $name, $type );
  39                 $this->assertEquals( $info['width'], $file->getWidth(), "$name: width check" );
  40                 $this->assertEquals( $info['height'], $file->getHeight(), "$name: height check" );
  41         }
  42
  43         /**
  44          * Same as before, but with auto-rotation set to auto.
  45          *
  46          * This sets scaler to image magick, which we should detect as
  47          * supporting rotation.
  48          * @dataProvider provideFiles
  49          */
  50         public function testMetadataAutoRotate( $name, $type, $info ) {
  51                 $this->setMwGlobals( 'wgEnableAutoRotation', null );
  52                 $this->setMwGlobals( 'wgUseImageMagick', true );
  53                 $this->setMwGlobals( 'wgUseImageResize', true );
  54
  55                 $file = $this->dataFile( $name, $type );
  56                 $this->assertEquals( $info['width'], $file->getWidth(), "$name: width check" );
  57                 $this->assertEquals( $info['height'], $file->getHeight(), "$name: height check" );
  58         }
  59
  60         /**
  61          *
  62          * @dataProvider provideFiles
  63          */
  64         public function testRotationRendering( $name, $type, $info, $thumbs ) {
  65                 if ( !$this->handler->canRotate() ) {
  66                         $this->markTestSkipped( "This test needs a rasterizer that can auto-rotate." );
  67                 }
  68                 foreach ( $thumbs as $size => $out ) {
  69                         if ( preg_match( '/^(\d+)px$/', $size, $matches ) ) {
  70                                 $params = array(
  71                                         'width' => $matches[1],
  72                                 );
  73                         } elseif ( preg_match( '/^(\d+)x(\d+)px$/', $size, $matches ) ) {
  74                                 $params = array(
  75                                         'width' => $matches[1],
  76                                         'height' => $matches[2]
  77                                 );
  78                         } else {
  79                                 throw new MWException( 'bogus test data format ' . $size );
  80                         }
  81
  82                         $file = $this->dataFile( $name, $type );
  83                         $thumb = $file->transform( $params, File::RENDER_NOW | File::RENDER_FORCE );
  84
  85                         $this->assertEquals(
  86                                 $out[0],
  87                                 $thumb->getWidth(),
  88                                 "$name: thumb reported width check for $size"
  89                         );
  90                         $this->assertEquals(
  91                                 $out[1],
  92                                 $thumb->getHeight(),
  93                                 "$name: thumb reported height check for $size"
  94                         );
  95
  96                         $gis = getimagesize( $thumb->getLocalCopyPath() );
  97                         if ( $out[0] > $info['width'] ) {
  98                                 // Physical image won't be scaled bigger than the original.
  99                                 $this->assertEquals( $info['width'], $gis[0], "$name: thumb actual width check for $size" );
 100                                 $this->assertEquals( $info['height'], $gis[1], "$name: thumb actual height check for $size" );
 101                         } else {
 102                                 $this->assertEquals( $out[0], $gis[0], "$name: thumb actual width check for $size" );
 103                                 $this->assertEquals( $out[1], $gis[1], "$name: thumb actual height check for $size" );
 104                         }
 105                 }
 106         }
 107
 108         public static function provideFiles() {
 109                 return array(
 110                         array(
 111                                 'landscape-plain.jpg',
 112                                 'image/jpeg',
 113                                 array(
 114                                         'width' => 1024,
 115                                         'height' => 768,
 116                                 ),
 117                                 array(
 118                                         '800x600px' => array( 800, 600 ),
 119                                         '9999x800px' => array( 1067, 800 ),
 120                                         '800px' => array( 800, 600 ),
 121                                         '600px' => array( 600, 450 ),
 122                                 )
 123                         ),
 124                         array(
 125                                 'portrait-rotated.jpg',
 126                                 'image/jpeg',
 127                                 array(
 128                                         'width' => 768, // as rotated
 129                                         'height' => 1024, // as rotated
 130                                 ),
 131                                 array(
 132                                         '800x600px' => array( 450, 600 ),
 133                                         '9999x800px' => array( 600, 800 ),
 134                                         '800px' => array( 800, 1067 ),
 135                                         '600px' => array( 600, 800 ),
 136                                 )
 137                         )
 138                 );
 139         }
 140
 141         /**
 142          * Same as before, but with auto-rotation disabled.
 143          * @dataProvider provideFilesNoAutoRotate
 144          */
 145         public function testMetadataNoAutoRotate( $name, $type, $info ) {
 146                 $this->setMwGlobals( 'wgEnableAutoRotation', false );
 147
 148                 $file = $this->dataFile( $name, $type );
 149                 $this->assertEquals( $info['width'], $file->getWidth(), "$name: width check" );
 150                 $this->assertEquals( $info['height'], $file->getHeight(), "$name: height check" );
 151         }
 152
 153         /**
 154          * Same as before, but with auto-rotation set to auto and an image scaler that doesn't support it.
 155          * @dataProvider provideFilesNoAutoRotate
 156          */
 157         public function testMetadataAutoRotateUnsupported( $name, $type, $info ) {
 158                 $this->setMwGlobals( 'wgEnableAutoRotation', null );
 159                 $this->setMwGlobals( 'wgUseImageResize', false );
 160
 161                 $file = $this->dataFile( $name, $type );
 162                 $this->assertEquals( $info['width'], $file->getWidth(), "$name: width check" );
 163                 $this->assertEquals( $info['height'], $file->getHeight(), "$name: height check" );
 164         }
 165
 166         /**
 167          *
 168          * @dataProvider provideFilesNoAutoRotate
 169          */
 170         public function testRotationRenderingNoAutoRotate( $name, $type, $info, $thumbs ) {
 171                 $this->setMwGlobals( 'wgEnableAutoRotation', false );
 172
 173                 foreach ( $thumbs as $size => $out ) {
 174                         if ( preg_match( '/^(\d+)px$/', $size, $matches ) ) {
 175                                 $params = array(
 176                                         'width' => $matches[1],
 177                                 );
 178                         } elseif ( preg_match( '/^(\d+)x(\d+)px$/', $size, $matches ) ) {
 179                                 $params = array(
 180                                         'width' => $matches[1],
 181                                         'height' => $matches[2]
 182                                 );
 183                         } else {
 184                                 throw new MWException( 'bogus test data format ' . $size );
 185                         }
 186
 187                         $file = $this->dataFile( $name, $type );
 188                         $thumb = $file->transform( $params, File::RENDER_NOW | File::RENDER_FORCE );
 189
 190                         $this->assertEquals(
 191                                 $out[0],
 192                                 $thumb->getWidth(),
 193                                 "$name: thumb reported width check for $size"
 194                         );
 195                         $this->assertEquals(
 196                                 $out[1],
 197                                 $thumb->getHeight(),
 198                                 "$name: thumb reported height check for $size"
 199                         );
 200
 201                         $gis = getimagesize( $thumb->getLocalCopyPath() );
 202                         if ( $out[0] > $info['width'] ) {
 203                                 // Physical image won't be scaled bigger than the original.
 204                                 $this->assertEquals( $info['width'], $gis[0], "$name: thumb actual width check for $size" );
 205                                 $this->assertEquals( $info['height'], $gis[1], "$name: thumb actual height check for $size" );
 206                         } else {
 207                                 $this->assertEquals( $out[0], $gis[0], "$name: thumb actual width check for $size" );
 208                                 $this->assertEquals( $out[1], $gis[1], "$name: thumb actual height check for $size" );
 209                         }
 210                 }
 211         }
 212
 213         public static function provideFilesNoAutoRotate() {
 214                 return array(
 215                         array(
 216                                 'landscape-plain.jpg',
 217                                 'image/jpeg',
 218                                 array(
 219                                         'width' => 1024,
 220                                         'height' => 768,
 221                                 ),
 222                                 array(
 223                                         '800x600px' => array( 800, 600 ),
 224                                         '9999x800px' => array( 1067, 800 ),
 225                                         '800px' => array( 800, 600 ),
 226                                         '600px' => array( 600, 450 ),
 227                                 )
 228                         ),
 229                         array(
 230                                 'portrait-rotated.jpg',
 231                                 'image/jpeg',
 232                                 array(
 233                                         'width' => 1024, // since not rotated
 234                                         'height' => 768, // since not rotated
 235                                 ),
 236                                 array(
 237                                         '800x600px' => array( 800, 600 ),
 238                                         '9999x800px' => array( 1067, 800 ),
 239                                         '800px' => array( 800, 600 ),
 240                                         '600px' => array( 600, 450 ),
 241                                 )
 242                         )
 243                 );
 244         }
 245
 246         const TEST_WIDTH = 100;
 247         const TEST_HEIGHT = 200;
 248
 249         /**
 250          * @dataProvider provideBitmapExtractPreRotationDimensions
 251          */
 252         public function testBitmapExtractPreRotationDimensions( $rotation, $expected ) {
 253                 $result = $this->handler->extractPreRotationDimensions( array(
 254                         'physicalWidth' => self::TEST_WIDTH,
 255                         'physicalHeight' => self::TEST_HEIGHT,
 256                 ), $rotation );
 257                 $this->assertEquals( $expected, $result );
 258         }
 259
 260         public static function provideBitmapExtractPreRotationDimensions() {
 261                 return array(
 262                         array(
 263                                 0,
 264                                 array( self::TEST_WIDTH, self::TEST_HEIGHT )
 265                         ),
 266                         array(
 267                                 90,
 268                                 array( self::TEST_HEIGHT, self::TEST_WIDTH )
 269                         ),
 270                         array(
 271                                 180,
 272                                 array( self::TEST_WIDTH, self::TEST_HEIGHT )
 273                         ),
 274                         array(
 275                                 270,
 276                                 array( self::TEST_HEIGHT, self::TEST_WIDTH )
 277                         ),
 278                 );
 279         }
 280 }