/**
* @dataProvider validCommandProvider
**/
public function testValidCommandsCreateExpectedImage($input, $expected)
{
$turtle = new Turtle($input);
$expectedFilename = '' === $expected ? 'empty-output' : str_replace(array(' ', ':', '"', '?'), array('-', 'c', 'q', 'p'), $expected);
$expectedFilename = "test-images/{$expectedFilename}.png";
if (!file_exists($expectedFilename)) {
$this->markTestSkipped("No test image available for: {$expected}");
}
// md5 is being performed on both the outputs of the imges to make
// the phpunit output more palettable when there is an error
$this->assertEquals(md5(file_get_contents($expectedFilename)), md5($turtle->getImage()), "Generated image does not match expected image.");
}
<?php
require_once 'toolbox.php';
removeMagicQuotes($_GET);
$turtle = new Turtle($_GET['commands'], 350, 350);
$maxFilenameLength = 20;
$filename = str_replace(array(' ', ':', '"', '?'), array('-', 'c', 'q', 'p'), $_GET['commands']);
if (strlen($filename) > $maxFilenameLength) {
$filenameMd5 = md5($filename);
$filename = substr($filename, 0, $maxFilenameLength) . '_' . $filenameMd5;
}
header("Content-Disposition: Attachment;filename={$filename}.png");
header('Content-Type: image/png');
echo $turtle->getImage();
