GIFTest.php

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<?php

class GIFHandlerTest extends MediaWikiMediaTestCase {

    protected $handler;

    protected function setUp() {
        parent::setUp();

        $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 [
            [ 'animated.gif', true ],
            [ '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 [
            [ 'animated.gif', 5400 ],
            [ 'nonanimated.gif', 1350 ],
        ];
    }

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

    public static function provideIsMetadataValid() {
        return [
            [ GIFHandler::BROKEN_FILE, GIFHandler::METADATA_GOOD ],
            [ '', GIFHandler::METADATA_BAD ],
            [ null, GIFHandler::METADATA_BAD ],
            [ 'Something invalid!', GIFHandler::METADATA_BAD ],
            // @codingStandardsIgnoreStart Ignore Generic.Files.LineLength.TooLong
            [
                '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
            ],
            // @codingStandardsIgnoreEnd
        ];
    }

    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 [
            // @codingStandardsIgnoreStart Ignore Generic.Files.LineLength.TooLong
            [
                '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;}}'
            ],
            [
                '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;}}'
            ],
            // @codingStandardsIgnoreEnd
        ];
    }

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

    public static function provideGetIndependentMetaArray() {
        return [
            [ 'nonanimated.gif', [
                'GIFFileComment' => [
                    'GIF test file ⁕ Created with GIMP',
                ],
            ] ],
            [ 'animated-xmp.gif',
                [
                    'Artist' => 'Bawolff',
                    'ImageDescription' => [
                        'x-default' => 'A file to test GIF',
                        '_type' => 'lang',
                    ],
                    'SublocationDest' => 'The interwebs',
                    'GIFFileComment' =>
                    [
                        'GIƒ·test·file',
                    ],
                ]
            ],
        ];
    }

    public function testGetLength( $filename, $expectedLength ) {
        $file = $this->dataFile( $filename, 'image/gif' );
        $actualLength = $file->getLength();
        $this->assertEquals( $expectedLength, $actualLength, '', 0.00001 );
    }

    public function provideGetLength() {
        return [
            [ 'animated.gif', 2.4 ],
            [ 'animated-xmp.gif', 2.4 ],
            [ 'nonanimated', 0.0 ],
            [ 'Bishzilla_blink.gif', 1.4 ],
        ];
    }
}