tests/phpunit/includes/media/BitmapScalingTest.php

   1 <?php
   2
   3 /**
   4  * @group Media
   5  */
   6 class BitmapScalingTest extends MediaWikiTestCase {
   7
   8         protected function setUp() {
   9                 parent::setUp();
  10
  11                 $this->setMwGlobals( [
  12                         'wgMaxImageArea' => 1.25e7, // 3500x3500
  13                         'wgCustomConvertCommand' => 'dummy', // Set so that we don't get client side rendering
  14                 ] );
  15         }
  16
  17         /**
  18          * @dataProvider provideNormaliseParams
  19          * @covers BitmapHandler::normaliseParams
  20          */
  21         public function testNormaliseParams( $fileDimensions, $expectedParams, $params, $msg ) {
  22                 $file = new FakeDimensionFile( $fileDimensions );
  23                 $handler = new BitmapHandler;
  24                 $valid = $handler->normaliseParams( $file, $params );
  25                 $this->assertTrue( $valid );
  26                 $this->assertEquals( $expectedParams, $params, $msg );
  27         }
  28
  29         public static function provideNormaliseParams() {
  30                 return [
  31                         /* Regular resize operations */
  32                         [
  33                                 [ 1024, 768 ],
  34                                 [
  35                                         'width' => 512, 'height' => 384,
  36                                         'physicalWidth' => 512, 'physicalHeight' => 384,
  37                                         'page' => 1, 'interlace' => false,
  38                                 ],
  39                                 [ 'width' => 512 ],
  40                                 'Resizing with width set',
  41                         ],
  42                         [
  43                                 [ 1024, 768 ],
  44                                 [
  45                                         'width' => 512, 'height' => 384,
  46                                         'physicalWidth' => 512, 'physicalHeight' => 384,
  47                                         'page' => 1, 'interlace' => false,
  48                                 ],
  49                                 [ 'width' => 512, 'height' => 768 ],
  50                                 'Resizing with height set too high',
  51                         ],
  52                         [
  53                                 [ 1024, 768 ],
  54                                 [
  55                                         'width' => 512, 'height' => 384,
  56                                         'physicalWidth' => 512, 'physicalHeight' => 384,
  57                                         'page' => 1, 'interlace' => false,
  58                                 ],
  59                                 [ 'width' => 1024, 'height' => 384 ],
  60                                 'Resizing with height set',
  61                         ],
  62
  63                         /* Very tall images */
  64                         [
  65                                 [ 1000, 100 ],
  66                                 [
  67                                         'width' => 5, 'height' => 1,
  68                                         'physicalWidth' => 5, 'physicalHeight' => 1,
  69                                         'page' => 1, 'interlace' => false,
  70                                 ],
  71                                 [ 'width' => 5 ],
  72                                 'Very wide image',
  73                         ],
  74
  75                         [
  76                                 [ 100, 1000 ],
  77                                 [
  78                                         'width' => 1, 'height' => 10,
  79                                         'physicalWidth' => 1, 'physicalHeight' => 10,
  80                                         'page' => 1, 'interlace' => false,
  81                                 ],
  82                                 [ 'width' => 1 ],
  83                                 'Very high image',
  84                         ],
  85                         [
  86                                 [ 100, 1000 ],
  87                                 [
  88                                         'width' => 1, 'height' => 5,
  89                                         'physicalWidth' => 1, 'physicalHeight' => 10,
  90                                         'page' => 1, 'interlace' => false,
  91                                 ],
  92                                 [ 'width' => 10, 'height' => 5 ],
  93                                 'Very high image with height set',
  94                         ],
  95                         /* Max image area */
  96                         [
  97                                 [ 4000, 4000 ],
  98                                 [
  99                                         'width' => 5000, 'height' => 5000,
 100                                         'physicalWidth' => 4000, 'physicalHeight' => 4000,
 101                                         'page' => 1, 'interlace' => false,
 102                                 ],
 103                                 [ 'width' => 5000 ],
 104                                 'Bigger than max image size but doesn\'t need scaling',
 105                         ],
 106                         /* Max interlace image area */
 107                         [
 108                                 [ 4000, 4000 ],
 109                                 [
 110                                         'width' => 5000, 'height' => 5000,
 111                                         'physicalWidth' => 4000, 'physicalHeight' => 4000,
 112                                         'page' => 1, 'interlace' => false,
 113                                 ],
 114                                 [ 'width' => 5000, 'interlace' => true ],
 115                                 'Interlace bigger than max interlace area',
 116                         ],
 117                 ];
 118         }
 119
 120         /**
 121          * @covers BitmapHandler::doTransform
 122          */
 123         public function testTooBigImage() {
 124                 $file = new FakeDimensionFile( [ 4000, 4000 ] );
 125                 $handler = new BitmapHandler;
 126                 $params = [ 'width' => '3700' ]; // Still bigger than max size.
 127                 $this->assertEquals( 'TransformTooBigImageAreaError',
 128                         get_class( $handler->doTransform( $file, 'dummy path', '', $params ) ) );
 129         }
 130
 131         /**
 132          * @covers BitmapHandler::doTransform
 133          */
 134         public function testTooBigMustRenderImage() {
 135                 $file = new FakeDimensionFile( [ 4000, 4000 ] );
 136                 $file->mustRender = true;
 137                 $handler = new BitmapHandler;
 138                 $params = [ 'width' => '5000' ]; // Still bigger than max size.
 139                 $this->assertEquals( 'TransformTooBigImageAreaError',
 140                         get_class( $handler->doTransform( $file, 'dummy path', '', $params ) ) );
 141         }
 142
 143         /**
 144          * @covers BitmapHandler::getImageArea
 145          */
 146         public function testImageArea() {
 147                 $file = new FakeDimensionFile( [ 7, 9 ] );
 148                 $handler = new BitmapHandler;
 149                 $this->assertEquals( 63, $handler->getImageArea( $file ) );
 150         }
 151 }