public async Task Handle_GivenDateWasNotFound_ReturnsEmptyCollection()
{
var request = new GetExchangeRates("2018-01-01");
var result = await _handler.Handle(request, default);
result.Should().BeEmpty();
}
public async Task Handle_GivenDateWasFound_ReturnsRates()
{
var request = new GetExchangeRates("2012-01-01");
var result = await _handler.Handle(request, default);
result.Should().NotBeNullOrEmpty();
result.Should().OnlyContain(s => s.Date == DateTime.Parse("2012-01-01"));
}
public async Task Get_GivenValidRequestParameters_ReturnsResponseAsync(GetExchangeRatesRequest request)
{
GetExchangeRates actualQuery = null;
var expectedQuery = new GetExchangeRates(request.Date);
var rateMock = new List <Application.ExchangeRates.ExchangeRate>
{
new Application.ExchangeRates.ExchangeRate
{
Quantity = 100,
CurrencyCode = "USD",
Rate = 1,
Unit = "LTL per 1 currency unit"
},
new Application.ExchangeRates.ExchangeRate
{
Quantity = 100,
CurrencyCode = "RUR",
Rate = 1,
Unit = "LTL per 1000 currency unit"
}
};
var expectedResponse = new List <GetExchangeRatesResponse>
{
new GetExchangeRatesResponse
{
Quantity = 100,
CurrencyCode = "USD",
Rate = 1,
Unit = "LTL per 1 currency unit"
},
new GetExchangeRatesResponse
{
Quantity = 100,
CurrencyCode = "RUR",
Rate = 1,
Unit = "LTL per 1000 currency unit"
}
};
_mediatorMock
.Setup(s => s.Send(It.IsAny <GetExchangeRates>(), It.IsAny <CancellationToken>()))
.Callback <IRequest <IEnumerable <Application.ExchangeRates.ExchangeRate> >, CancellationToken>((query, ct) => actualQuery = (GetExchangeRates)query)
.ReturnsAsync(rateMock);
var response = await _controller.GetAsync(request);
var result = response.Result.Should().BeOfType <OkObjectResult>();
_mediatorMock.Verify(s => s.Send(It.IsAny <GetExchangeRates>(), It.IsAny <CancellationToken>()), Times.Once);
actualQuery.Should().BeEquivalentTo(expectedQuery);
}
public async Task <ActionResult <IEnumerable <GetExchangeRatesResponse> > > GetAsync([FromQuery] GetExchangeRatesRequest request)
{
_logger.Information("Fetching exchange rates");
var query = new GetExchangeRates(request.Date);
var result = await _mediator.Send(query);
var response = result.ToResponse();
return(Ok(response));
}
