/**
* @param string $key
* @param float $exchangeRate
*
* @return RateCollection
*/
public function add($key, $exchangeRate)
{
$rate = new Rate();
$rate->setKey($key)->setExchangeRate($exchangeRate);
if (!$this->has($key)) {
$this->put($key, $rate);
}
return $this;
}
/**
* @test
*/
public function testCanCalculateAndFormatCurrency()
{
$this->rate->setIsoFrom('USD');
$this->rate->setIsoTo('EUR');
$this->rate->setExchangeRate(0.8051);
$this->assertEquals('0.81', $this->rate->calculate());
$this->assertEquals('241.53', $this->rate->calculate(300));
$this->assertEquals('€ 0,81', $this->rate->calculate(1, true));
$this->assertEquals('€ 805,09', $this->rate->calculate(999.99, true));
}
