public void ShouldReturnRatesWhenCurrencyCodeIsValid()
{
var gateway = new CurrencyExchangeRateWebServiceGateway();
var requests = new[]
{
new CurrencyExchangeRateRequest()
{
BaseCurrencyCode = "CAD",
StartDate = new DateTime(2018, 10, 8),
EndDate = new DateTime(2018, 10, 19)
},
};
var results = gateway.GetToUsdHistorical(requests);
results.Should().HaveCount(1);
results[0].BaseCurrencyCode.Should().Be("CAD");
results[0].StartDate.Should().Be(new DateTime(2018, 10, 8));
results[0].EndDate.Should().Be(new DateTime(2018, 10, 19));
results[0].HasError.Should().BeFalse();
results[0].Rates.Should().HaveCount(10);
foreach (var dateAndRate in results[0].Rates)
{
dateAndRate.Date.Should().BeOnOrAfter(new DateTime(2018, 10, 8));
dateAndRate.Date.Should().BeOnOrBefore(new DateTime(2018, 10, 19));
dateAndRate.Rate.Should().BeGreaterOrEqualTo(0.5m);
dateAndRate.Rate.Should().BeLessOrEqualTo(2.0m);
}
}
public void ShouldReturnErrorWhenRatesNotFoundForCode()
{
var gateway = new CurrencyExchangeRateWebServiceGateway();
var requests = new[]
{
new CurrencyExchangeRateRequest()
{
BaseCurrencyCode = "XXX",
StartDate = new DateTime(2010, 1, 1),
EndDate = new DateTime(2018, 1, 1)
},
};
var results = gateway.GetToUsdHistorical(requests);
results.Should().HaveCount(1);
results[0].BaseCurrencyCode.Should().Be("XXX");
results[0].StartDate.Should().Be(new DateTime(2010, 1, 1));
results[0].EndDate.Should().Be(new DateTime(2018, 1, 1));
results[0].HasError.Should().BeTrue();
results[0].ErrorMessage.Should().Be("Could not find rates for given currency code.");
}
public void ShouldReturnEmptyArrayGivenEmptyArray()
{
var gateway = new CurrencyExchangeRateWebServiceGateway();
var results = gateway.GetToUsdHistorical(new CurrencyExchangeRateRequest[0]);
results.Should().HaveCount(0);
}
public void ShouldThrowExceptionWhenCurrencyNotProvide()
{
var gateway = new CurrencyExchangeRateWebServiceGateway();
var requests = new []
{
new CurrencyExchangeRateRequest(),
};
Assert.Throws <Exception>(() =>
{
gateway.GetToUsdHistorical(requests);
});
}