public function testAttributeMethods()
{
$order = new BaseOrder();
$this->assertNull($order->getAttribute('noAttribute'));
$order->addAttribute('attribute1', 1);
$this->assertCount(1, $order->getAttributes());
$this->assertSame(1, $order->getAttribute('attribute1'));
$order->addAttribute('attribute2', 2);
$this->assertCount(2, $order->getAttributes());
$this->assertSame(2, $order->getAttribute('attribute2'));
$order->removeAttribute('attribute2');
$this->assertCount(1, $order->getAttributes(), 'remove by attribute');
$this->assertNull($order->getAttribute('attribute2'));
$attributes = array('attribute2' => 2, 'attribute3' => 3);
$order->addAttributes($attributes);
$this->assertCount(3, $order->getAttributes());
$this->assertSame(2, $order->getAttribute('attribute2'));
$this->assertSame(3, $order->getAttribute('attribute3'));
$order->setAttributes($attributes);
$this->assertCount(2, $order->getAttributes());
$this->assertNull($order->getAttribute('attribute1'));
$this->assertSame(2, $order->getAttribute('attribute2'));
$this->assertSame(3, $order->getAttribute('attribute3'));
$order->removeAttribute('attribute3');
$this->assertCount(1, $order->getAttributes(), 'attribute should be removed by type');
$order->removeAttribute('nada');
$this->assertCount(1, $order->getAttributes());
$order->clearAttributes();
$this->assertEmpty($order->getAttributes());
}
