Joli\GifExceptionBundle\Tests\Command\GifOptimizerCommandTest::testGifIsSmallerFileSize PHP Method

    public function testGifIsSmallerFileSize()
    {
        $originalSize = filesize($this->testGif);
        $command = new GifOptimizerCommand();
        $args = array('image_dir' => __DIR__);
        try {
            $this->getOutputForCommand($command, GifOptimizerCommand::COMMAND_NAME, $args);
        } catch (CommandNotFound $e) {
            $this->markTestSkipped(sprintf('Gif optimizer tool is not executable'));
        }
        clearstatcache(true, $this->testGif);
        $optimizedSize = filesize($this->testGif);
        self::assertLessThanOrEqual($originalSize, $optimizedSize);
    }