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<?php
/**
* Tests related to auto rotation
*/
class ExifRotationTest extends MediaWikiTestCase {
/** track directories creations. Content will be deleted. */
private $createdDirs = array();
function setUp() {
parent::setUp();
$this->handler = new BitmapHandler();
$filePath = dirname( __FILE__ ) . '/../../data/media';
$tmpDir = wfTempDir() . '/exif-test-' . time() . '-' . mt_rand();
$this->createdDirs[] = $tmpDir;
$this->repo = new FSRepo( array(
'name' => 'temp',
'url' => 'http://localhost/thumbtest',
'backend' => new FSFileBackend( array(
'name' => 'localtesting',
'lockManager' => 'nullLockManager',
'containerPaths' => array( 'temp-thumb' => $tmpDir, 'data' => $filePath )
) )
) );
if ( !wfDl( 'exif' ) ) {
$this->markTestSkipped( "This test needs the exif extension." );
}
global $wgShowEXIF;
$this->show = $wgShowEXIF;
$wgShowEXIF = true;
global $wgEnableAutoRotation;
$this->oldAuto = $wgEnableAutoRotation;
$wgEnableAutoRotation = true;
}
public function tearDown() {
global $wgShowEXIF, $wgEnableAutoRotation;
$wgShowEXIF = $this->show;
$wgEnableAutoRotation = $this->oldAuto;
$this->tearDownFiles();
}
private function tearDownFiles() {
foreach( $this->createdDirs as $dir ) {
wfRecursiveRemoveDir( $dir );
}
}
function __destruct() {
$this->tearDownFiles();
}
/**
*
* @dataProvider providerFiles
*/
function testMetadata( $name, $type, $info ) {
if ( !BitmapHandler::canRotate() ) {
$this->markTestSkipped( "This test needs a rasterizer that can auto-rotate." );
}
$file = $this->dataFile( $name, $type );
$this->assertEquals( $info['width'], $file->getWidth(), "$name: width check" );
$this->assertEquals( $info['height'], $file->getHeight(), "$name: height check" );
}
/**
*
* @dataProvider providerFiles
*/
function testRotationRendering( $name, $type, $info, $thumbs ) {
if ( !BitmapHandler::canRotate() ) {
$this->markTestSkipped( "This test needs a rasterizer that can auto-rotate." );
}
foreach( $thumbs as $size => $out ) {
if( preg_match('/^(\d+)px$/', $size, $matches ) ) {
$params = array(
'width' => $matches[1],
);
} elseif ( preg_match( '/^(\d+)x(\d+)px$/', $size, $matches ) ) {
$params = array(
'width' => $matches[1],
'height' => $matches[2]
);
} else {
throw new MWException('bogus test data format ' . $size);
}
$file = $this->dataFile( $name, $type );
$thumb = $file->transform( $params, File::RENDER_NOW | File::RENDER_FORCE );
$this->assertEquals( $out[0], $thumb->getWidth(), "$name: thumb reported width check for $size" );
$this->assertEquals( $out[1], $thumb->getHeight(), "$name: thumb reported height check for $size" );
$gis = getimagesize( $thumb->getLocalCopyPath() );
if ($out[0] > $info['width']) {
// Physical image won't be scaled bigger than the original.
$this->assertEquals( $info['width'], $gis[0], "$name: thumb actual width check for $size");
$this->assertEquals( $info['height'], $gis[1], "$name: thumb actual height check for $size");
} else {
$this->assertEquals( $out[0], $gis[0], "$name: thumb actual width check for $size");
$this->assertEquals( $out[1], $gis[1], "$name: thumb actual height check for $size");
}
}
}
private function dataFile( $name, $type ) {
return new UnregisteredLocalFile( false, $this->repo,
"mwstore://localtesting/data/$name", $type );
}
function providerFiles() {
return array(
array(
'landscape-plain.jpg',
'image/jpeg',
array(
'width' => 1024,
'height' => 768,
),
array(
'800x600px' => array( 800, 600 ),
'9999x800px' => array( 1067, 800 ),
'800px' => array( 800, 600 ),
'600px' => array( 600, 450 ),
)
),
array(
'portrait-rotated.jpg',
'image/jpeg',
array(
'width' => 768, // as rotated
'height' => 1024, // as rotated
),
array(
'800x600px' => array( 450, 600 ),
'9999x800px' => array( 600, 800 ),
'800px' => array( 800, 1067 ),
'600px' => array( 600, 800 ),
)
)
);
}
/**
* Same as before, but with auto-rotation disabled.
* @dataProvider providerFilesNoAutoRotate
*/
function testMetadataNoAutoRotate( $name, $type, $info ) {
global $wgEnableAutoRotation;
$wgEnableAutoRotation = false;
$file = $this->dataFile( $name, $type );
$this->assertEquals( $info['width'], $file->getWidth(), "$name: width check" );
$this->assertEquals( $info['height'], $file->getHeight(), "$name: height check" );
$wgEnableAutoRotation = true;
}
/**
*
* @dataProvider providerFilesNoAutoRotate
*/
function testRotationRenderingNoAutoRotate( $name, $type, $info, $thumbs ) {
global $wgEnableAutoRotation;
$wgEnableAutoRotation = false;
foreach( $thumbs as $size => $out ) {
if( preg_match('/^(\d+)px$/', $size, $matches ) ) {
$params = array(
'width' => $matches[1],
);
} elseif ( preg_match( '/^(\d+)x(\d+)px$/', $size, $matches ) ) {
$params = array(
'width' => $matches[1],
'height' => $matches[2]
);
} else {
throw new MWException('bogus test data format ' . $size);
}
$file = $this->dataFile( $name, $type );
$thumb = $file->transform( $params, File::RENDER_NOW | File::RENDER_FORCE );
$this->assertEquals( $out[0], $thumb->getWidth(), "$name: thumb reported width check for $size" );
$this->assertEquals( $out[1], $thumb->getHeight(), "$name: thumb reported height check for $size" );
$gis = getimagesize( $thumb->getLocalCopyPath() );
if ($out[0] > $info['width']) {
// Physical image won't be scaled bigger than the original.
$this->assertEquals( $info['width'], $gis[0], "$name: thumb actual width check for $size");
$this->assertEquals( $info['height'], $gis[1], "$name: thumb actual height check for $size");
} else {
$this->assertEquals( $out[0], $gis[0], "$name: thumb actual width check for $size");
$this->assertEquals( $out[1], $gis[1], "$name: thumb actual height check for $size");
}
}
$wgEnableAutoRotation = true;
}
function providerFilesNoAutoRotate() {
return array(
array(
'landscape-plain.jpg',
'image/jpeg',
array(
'width' => 1024,
'height' => 768,
),
array(
'800x600px' => array( 800, 600 ),
'9999x800px' => array( 1067, 800 ),
'800px' => array( 800, 600 ),
'600px' => array( 600, 450 ),
)
),
array(
'portrait-rotated.jpg',
'image/jpeg',
array(
'width' => 1024, // since not rotated
'height' => 768, // since not rotated
),
array(
'800x600px' => array( 800, 600 ),
'9999x800px' => array( 1067, 800 ),
'800px' => array( 800, 600 ),
'600px' => array( 600, 450 ),
)
)
);
}
const TEST_WIDTH = 100;
const TEST_HEIGHT = 200;
/**
* @dataProvider provideBitmapExtractPreRotationDimensions
*/
function testBitmapExtractPreRotationDimensions( $rotation, $expected ) {
$result = $this->handler->extractPreRotationDimensions( array(
'physicalWidth' => self::TEST_WIDTH,
'physicalHeight' => self::TEST_HEIGHT,
), $rotation );
$this->assertEquals( $expected, $result );
}
function provideBitmapExtractPreRotationDimensions() {
return array(
array(
0,
array( self::TEST_WIDTH, self::TEST_HEIGHT )
),
array(
90,
array( self::TEST_HEIGHT, self::TEST_WIDTH )
),
array(
180,
array( self::TEST_WIDTH, self::TEST_HEIGHT )
),
array(
270,
array( self::TEST_HEIGHT, self::TEST_WIDTH )
),
);
}
}