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<?php
class PNGHandlerTest extends MediaWikiTestCase {
protected function setUp() {
parent::setUp();
$this->filePath = __DIR__ . '/../../data/media';
$this->backend = new FSFileBackend( array(
'name' => 'localtesting',
'lockManager' => 'nullLockManager',
'containerPaths' => array( 'data' => $this->filePath )
) );
$this->repo = new FSRepo( array(
'name' => 'temp',
'url' => 'http://localhost/thumbtest',
'backend' => $this->backend
) );
$this->handler = new PNGHandler();
}
public function testInvalidFile() {
$res = $this->handler->getMetadata( null, $this->filePath . '/README' );
$this->assertEquals( PNGHandler::BROKEN_FILE, $res );
}
/**
* @param $filename String basename of the file to check
* @param $expected boolean Expected result.
* @dataProvider provideIsAnimated
*/
public function testIsAnimanted( $filename, $expected ) {
$file = $this->dataFile( $filename, 'image/png' );
$actual = $this->handler->isAnimatedImage( $file );
$this->assertEquals( $expected, $actual );
}
public static function provideIsAnimated() {
return array(
array( 'Animated_PNG_example_bouncing_beach_ball.png', true ),
array( '1bit-png.png', false ),
);
}
/**
* @param $filename String
* @param $expected Integer Total image area
* @dataProvider provideGetImageArea
*/
public function testGetImageArea( $filename, $expected ) {
$file = $this->dataFile( $filename, 'image/png' );
$actual = $this->handler->getImageArea( $file, $file->getWidth(), $file->getHeight() );
$this->assertEquals( $expected, $actual );
}
public static function provideGetImageArea() {
return array(
array( '1bit-png.png', 2500 ),
array( 'greyscale-png.png', 2500 ),
array( 'Png-native-test.png', 126000 ),
array( 'Animated_PNG_example_bouncing_beach_ball.png', 10000 ),
);
}
/**
* @param $metadata String Serialized metadata
* @param $expected Integer One of the class constants of PNGHandler
* @dataProvider provideIsMetadataValid
*/
public function testIsMetadataValid( $metadata, $expected ) {
$actual = $this->handler->isMetadataValid( null, $metadata );
$this->assertEquals( $expected, $actual );
}
public static function provideIsMetadataValid() {
return array(
array( PNGHandler::BROKEN_FILE, PNGHandler::METADATA_GOOD ),
array( '', PNGHandler::METADATA_BAD ),
array( null, PNGHandler::METADATA_BAD ),
array( 'Something invalid!', PNGHandler::METADATA_BAD ),
array( 'a:6:{s:10:"frameCount";i:0;s:9:"loopCount";i:1;s:8:"duration";d:0;s:8:"bitDepth";i:8;s:9:"colorType";s:10:"truecolour";s:8:"metadata";a:1:{s:15:"_MW_PNG_VERSION";i:1;}}', PNGHandler::METADATA_GOOD ),
);
}
/**
* @param $filename String
* @param $expected String Serialized array
* @dataProvider provideGetMetadata
*/
public function testGetMetadata( $filename, $expected ) {
$file = $this->dataFile( $filename, 'image/png' );
$actual = $this->handler->getMetadata( $file, "$this->filePath/$filename" );
// $this->assertEquals( unserialize( $expected ), unserialize( $actual ) );
$this->assertEquals( ( $expected ), ( $actual ) );
}
public static function provideGetMetadata() {
return array(
array( 'rgb-na-png.png', 'a:6:{s:10:"frameCount";i:0;s:9:"loopCount";i:1;s:8:"duration";d:0;s:8:"bitDepth";i:8;s:9:"colorType";s:10:"truecolour";s:8:"metadata";a:1:{s:15:"_MW_PNG_VERSION";i:1;}}' ),
array( 'xmp.png', 'a:6:{s:10:"frameCount";i:0;s:9:"loopCount";i:1;s:8:"duration";d:0;s:8:"bitDepth";i:1;s:9:"colorType";s:14:"index-coloured";s:8:"metadata";a:2:{s:12:"SerialNumber";s:9:"123456789";s:15:"_MW_PNG_VERSION";i:1;}}' ),
);
}
private function dataFile( $name, $type ) {
return new UnregisteredLocalFile( false, $this->repo,
"mwstore://localtesting/data/$name", $type );
}
}
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