GIFTest.php

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<?php
class GIFHandlerTest extends MediaWikiTestCase {

    protected $backend;
    protected $handler;
    protected $repo;
    protected $filePath;

    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 GIFHandler();
    }

    public function testInvalidFile() {
        $res = $this->handler->getMetadata( null, $this->filePath . '/README' );
        $this->assertEquals( GIFHandler::BROKEN_FILE, $res );
    }

    public function testIsAnimanted( $filename, $expected ) {
        $file = $this->dataFile( $filename, 'image/gif' );
        $actual = $this->handler->isAnimatedImage( $file );
        $this->assertEquals( $expected, $actual );
    }

    public static function provideIsAnimated() {
        return array(
            array( 'animated.gif', true ),
            array( 'nonanimated.gif', false ),
        );
    }

    public function testGetImageArea( $filename, $expected ) {
        $file = $this->dataFile( $filename, 'image/gif' );
        $actual = $this->handler->getImageArea( $file, $file->getWidth(), $file->getHeight() );
        $this->assertEquals( $expected, $actual );
    }

    public static function provideGetImageArea() {
        return array(
            array( 'animated.gif', 5400 ),
            array( 'nonanimated.gif', 1350 ),
        );
    }

    public function testIsMetadataValid( $metadata, $expected ) {
        $actual = $this->handler->isMetadataValid( null, $metadata );
        $this->assertEquals( $expected, $actual );
    }

    public static function provideIsMetadataValid() {
        return array(
            array( GIFHandler::BROKEN_FILE, GIFHandler::METADATA_GOOD ),
            array( '', GIFHandler::METADATA_BAD ),
            array( null, GIFHandler::METADATA_BAD ),
            array( 'Something invalid!', GIFHandler::METADATA_BAD ),
            array( 'a:4:{s:10:"frameCount";i:1;s:6:"looped";b:0;s:8:"duration";d:0.1000000000000000055511151231257827021181583404541015625;s:8:"metadata";a:2:{s:14:"GIFFileComment";a:1:{i:0;s:35:"GIF test file ⁕ Created with GIMP";}s:15:"_MW_GIF_VERSION";i:1;}}', GIFHandler::METADATA_GOOD ),
        );
    }

    public function testGetMetadata( $filename, $expected ) {
        $file = $this->dataFile( $filename, 'image/gif' );
        $actual = $this->handler->getMetadata( $file, "$this->filePath/$filename" );
        $this->assertEquals( unserialize( $expected ), unserialize( $actual ) );
    }

    public static function provideGetMetadata() {
        return array(
            array( 'nonanimated.gif', 'a:4:{s:10:"frameCount";i:1;s:6:"looped";b:0;s:8:"duration";d:0.1000000000000000055511151231257827021181583404541015625;s:8:"metadata";a:2:{s:14:"GIFFileComment";a:1:{i:0;s:35:"GIF test file ⁕ Created with GIMP";}s:15:"_MW_GIF_VERSION";i:1;}}' ),
            array( 'animated-xmp.gif', 'a:4:{s:10:"frameCount";i:4;s:6:"looped";b:1;s:8:"duration";d:2.399999999999999911182158029987476766109466552734375;s:8:"metadata";a:5:{s:6:"Artist";s:7:"Bawolff";s:16:"ImageDescription";a:2:{s:9:"x-default";s:18:"A file to test GIF";s:5:"_type";s:4:"lang";}s:15:"SublocationDest";s:13:"The interwebs";s:14:"GIFFileComment";a:1:{i:0;s:16:"GIƒ·test·file";}s:15:"_MW_GIF_VERSION";i:1;}}' ),
        );
    }

    private function dataFile( $name, $type ) {
        return new UnregisteredLocalFile( false, $this->repo,
            "mwstore://localtesting/data/$name", $type );
    }
}