function it_renders_a_file($io)
{
$tempFile = __DIR__ . "/_files/TemplateRenderFixture.tpl";
mkdir(__DIR__ . "/_files");
file_put_contents($tempFile, 'hello, {name}');
$this->render($tempFile, array('name' => 'Chuck'));
$io->write('hello, Chuck')->shouldHaveBeenCalled();
}