/**
* @test
*/
public function itShouldReturnACurrencyPairAfterGettingTheRatioFromTheRepository()
{
$currencyFrom = new Currency(Currency::CURRENCY_CODE_EURO);
$currencyTo = new Currency(Currency::CURRENCY_CODE_US_DOLLAR);
$ratio = 1.5;
$this->repository->shouldReceive('findRatio')->andReturn($ratio);
$expectedCurrencyPair = new CurrencyPair($currencyFrom, $currencyTo, $ratio);
$currencyPair = $this->service->execute($currencyFrom, $currencyTo);
$this->assertEquals($expectedCurrencyPair, $currencyPair);
}
/**
* @test
*/
public function itShouldReturnAValidCurrencyPairGivenTwoCurrencies()
{
$currencyFrom = new Currency(Currency::CURRENCY_CODE_EURO);
$currencyTo = new Currency(Currency::CURRENCY_CODE_US_DOLLAR);
$request = new GetCurrencyPairRatioRequest($currencyFrom, $currencyTo);
$expectedCurrencyPair = new CurrencyPair($currencyFrom, $currencyTo, 1.5);
$this->service->shouldReceive('execute')->andReturn($expectedCurrencyPair);
$expectedResponse = new GetCurrencyPairRatioResponse($expectedCurrencyPair);
$response = $this->useCase->execute($request);
$this->assertEquals($expectedResponse->currencyPair(), $response->currencyPair());
}
/**
* @param GetCurrencyPairRatioRequest $request
*
* @return GetCurrencyPairRatioResponse
*/
public function execute(GetCurrencyPairRatioRequest $request)
{
$currencyPair = $this->service->execute($request->currencyFrom(), $request->currencyTo());
return new GetCurrencyPairRatioResponse($currencyPair);
}