public function testGetPrice()
{
$currencyPriceCalculator = new CurrencyPriceCalculator();
$product = $this->getMock('Sonata\\Component\\Product\\ProductInterface');
$currency = new Currency();
$currency->setLabel('EUR');
$product->expects($this->once())->method('getPrice')->will($this->returnValue(42.0));
$this->assertEquals(42.0, $currencyPriceCalculator->getPrice($product, $currency));
}