public function testBasic()
{
$fs = new Fieldset();
$fs->setName('customers');
$fs->addElement(new Element('first_name', 'text'));
$fs->addElement(new Element('last_name', 'text'));
$fs->addElement(new Element('address', 'textarea'));
$form = new Form();
$form->addFieldset($fs);
$form->setAttribute('action', 'create');
$form->setAttribute('class', 'form-horizontal');
$this->assertEquals(['customers' => $fs], $form->getFieldsets());
$this->assertEquals($form->getAttribute('class'), 'form-horizontal');
$this->assertEquals($form->getAttribute('action'), 'create');
}
