public void InvalidInputShouldReturnBadRequestStatusWithModelErrors(double[] expectedNpvResult,
decimal lowerDiscount, decimal upperDiscount, decimal increment, decimal outflow,
double[] inflows)
{
//Arrange
var stubCalculator = Substitute.For <INpvCalculator>();
var controller = new NpvController(stubCalculator);
//Validation testing has been done on project NpvApi.Dtos.Test so will not test again here.
var npvOptions = new NpvOptions
{
RateOption = new RateOption
{
LowerDiscount = lowerDiscount,
UpperDiscount = upperDiscount
},
Outflow = outflow
};
foreach (var inflow in inflows.ToList())
{
npvOptions.Inflows.Add(new Inflow()
{
Value = (decimal)inflow
});
}
const string errorPropertyKey = "UpperDiscount";
const string errorPropertyValue = "Required";
//Add the error to model state to mock 400 BadRequest
controller.ModelState.AddModelError(errorPropertyKey, errorPropertyValue);
//Act
var actionResult = controller.Post(npvOptions);
var badRequestResult = actionResult as BadRequestObjectResult;
//Assert response should contain the model errors
Assert.NotNull(badRequestResult);
Assert.Equal(400, badRequestResult.StatusCode);
var responseContent = badRequestResult.Value as SerializableError;
Assert.NotNull(responseContent);
Assert.Equal(1, responseContent.Keys.Count);
Assert.Equal(errorPropertyKey, responseContent.Keys.First());
Assert.Equal(errorPropertyValue, (responseContent.Values.First() as string[]).First());
}
public void ValidInputShouldCallApplicationServiceWithCorrectDataAndReturnOk(double[] expectedNpvResult,
decimal lowerDiscount, decimal upperDiscount, decimal increment, decimal outflow,
double[] inflows)
{
//Autofixture does not support Asp.net Core so can not use AutoData for
//NSubstitute and just use InlineData instead
var mockCalculator = Substitute.For <INpvCalculator>();
var controller = new NpvController(mockCalculator);
//Validation testing has been done on project NpvApi.Dtos.Test so will not test again here.
var npvOptions = new NpvOptions
{
RateOption = new RateOption
{
LowerDiscount = lowerDiscount,
UpperDiscount = upperDiscount
},
Outflow = outflow
};
foreach (var inflow in inflows.ToList())
{
npvOptions.Inflows.Add(new Inflow()
{
Value = (decimal)inflow
});
}
var actionResult = controller.Post(npvOptions);
mockCalculator.Received().Calculate(npvOptions);
var badRequestResult = actionResult as OkObjectResult;
//Assert response should contain the model errors
Assert.NotNull(badRequestResult);
Assert.Equal(200, badRequestResult.StatusCode);
}