/**
* This function calculate rates.
*
* @param float|int $amount
* @param string $toCurrency
* @param null $fromCurrency
*
* @return float
*/
public function calculateRate($amount, $toCurrency, $fromCurrency = null)
{
if (!isset($fromCurrency)) {
$fromCurrency = $this->defaultCurrency;
}
if ($this->rates->getBaseCurrency() != $fromCurrency) {
$amount = $amount / $this->getCurrencyRate($fromCurrency);
}
if ($toCurrency == $this->rates->getBaseCurrency()) {
return $amount;
}
return $amount * $this->getCurrencyRate($toCurrency);
}
/**
* Test if we return correct base currency.
*/
public function testGetBaseCurrency()
{
$service = new CurrencyRatesService($this->getDriverMock('EUR'), $this->esManagerMock, $this->getCachePool());
$service->setLogger($this->getLogger());
$this->assertEquals('EUR', $service->getBaseCurrency());
}
