public function testPopupHeight()
{
$app = $this->getApp();
$handler = new ImageHandler($app);
$result = $handler->popup('generic-logo.png', null, 50);
$this->assertSame('<a href="/thumbs/1000x750r/generic-logo.png" class="magnific" title="Image: generic-logo.png"><img src="/thumbs/160x50c/generic-logo.png" width="160" height="50" alt="Image: generic-logo.png"></a>', $result);
}