function it_knows_if_field_with_given_name_already_exists(Field $field)
{
$field->getName()->willReturn('enabled');
$this->addField($field);
$this->hasField('enabled')->shouldReturn(true);
$this->hasField('parent')->shouldReturn(false);
}
/**
* @param Field $field
*/
public function addField(Field $field)
{
$name = $field->getName();
if ($this->hasField($name)) {
throw new \InvalidArgumentException(sprintf('Field "%s" already exists.', $name));
}
$this->fields[$name] = $field;
}