getProductCode() public method

public getProductCode ( )
 public function testGettersSetters()
 {
     $currency = $this->getMock('Sonata\\Component\\Currency\\Currency');
     $productProvider = $this->getMock('Sonata\\Component\\Product\\ProductProviderInterface');
     $productManager = $this->getMock('Sonata\\Component\\Product\\ProductManagerInterface');
     $productDefinition = new ProductDefinition($productProvider, $productManager);
     $basketElement = new BasketElement();
     $basketElement->setProductDefinition($productDefinition);
     $this->assertEquals(0, $basketElement->getVatRate());
     $this->assertEquals(0, $basketElement->getUnitPrice($currency));
     $this->assertFalse($basketElement->isValid());
     $provider = $this->getMock('Sonata\\Component\\Product\\ProductProviderInterface');
     $manager = $this->getMock('Sonata\\Component\\Product\\ProductManagerInterface');
     $productDefinition = new ProductDefinition($provider, $manager);
     // Tests getProduct
     $this->assertNull($basketElement->getProduct());
     $basketElement->setProductDefinition($productDefinition);
     $this->assertNull($basketElement->getProduct());
     $product = $this->getMock('Sonata\\Component\\Product\\ProductInterface');
     $product->expects($this->any())->method('getId')->will($this->returnValue(42));
     $basketElement->setProduct('product_code', $product);
     $this->assertEquals($product, $basketElement->getProduct());
     // Tests setProductId
     $basketElement->setProductId(42);
     $this->assertEquals(42, $basketElement->getProductId());
     $basketElement->setProductId(24);
     $this->assertNull($basketElement->getProductId());
     $manager->expects($this->any())->method('findOneBy')->will($this->returnValue($product));
     $basketElement->setProductDefinition(new ProductDefinition($provider, $manager));
     $basketElement->setProductId(42);
     $basketElement->setProduct('product_code', $product);
     // Done by the provider hereby mocked, hence we do it manually
     $this->assertEquals($product->getId(), $basketElement->getProductId());
     // Options
     $options = array('option1' => 'value1', 'option2' => 'value2');
     $basketElement->setOptions($options);
     $this->assertNull($basketElement->getOption('unexisting_option'));
     $this->assertEquals(42, $basketElement->getOption('unexisting_option', 42));
     $this->assertEquals('value1', $basketElement->getOption('option1'));
     $this->assertEquals($options, $basketElement->getOptions());
     $basketElement->setOption('option3', 'value3');
     $this->assertEquals('value3', $basketElement->getOption('option3'));
     // Other getters & setters
     $this->assertEquals($provider, $basketElement->getProductProvider());
     $this->assertEquals($manager, $basketElement->getProductManager());
     $this->assertEquals('product_code', $basketElement->getProductCode());
     $basketElement->setDelete(false);
     $this->assertFalse($basketElement->getDelete());
 }