public void SetUp()
{
_postcodeValidator = new Mock <IPostcodeValidator>();
_postcodeValidator.Setup(x => x.IsPostcodeValidAsync(It.IsAny <string>())).ReturnsAsync(true);
_response = new GetNearbyPostcodesWithoutAddressesResponse()
{
NearestPostcodes = new List <NearestPostcodeWithoutAddress>()
{
new NearestPostcodeWithoutAddress()
{
Postcode = "NG1 5FS",
DistanceInMetres = 1
}
}
};
_mediator = new Mock <IMediator>();
_mediator.Setup(x => x.Send(It.IsAny <GetNearbyPostcodesWithoutAddressesRequest>(), It.IsAny <CancellationToken>())).ReturnsAsync(_response);
_logger = new Mock <ILoggerWrapper <GetNearbyPostcodesWithoutAddresses> >();
_logger.SetupAllProperties();
}
public async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Function, "get", Route = null)]
[RequestBodyType(typeof(GetNearbyPostcodesWithoutAddressesRequest), "get nearby postcodes without addresses")] GetNearbyPostcodesWithoutAddressesRequest req,
CancellationToken cancellationToken)
{
try
{
NewRelic.Api.Agent.NewRelic.SetTransactionName("AddressService", "GetNearbyPostcodesWithoutAddresses");
_logger.LogInformation("C# HTTP trigger function processed a request.");
// This validation logic belongs in a custom validation attribute on the Postcode property. However, validationContext.GetService<IExternalService> always returned null in the validation attribute (despite DI working fine elsewhere). I didn't want to spend a lot of time finding out why when there is lots to do so I've put the postcode validation logic here for now.
if (!await _postcodeValidator.IsPostcodeValidAsync(req.Postcode))
{
return(new ObjectResult(ResponseWrapper <GetNearbyPostcodesWithoutAddressesResponse, AddressServiceErrorCode> .CreateUnsuccessfulResponse(AddressServiceErrorCode.InvalidPostcode, "Invalid postcode"))
{
StatusCode = 422
});
}
if (req.IsValid(out var validationResults))
{
GetNearbyPostcodesWithoutAddressesResponse response = await _mediator.Send(req, cancellationToken);
return(new OkObjectResult(ResponseWrapper <GetNearbyPostcodesWithoutAddressesResponse, AddressServiceErrorCode> .CreateSuccessfulResponse(response)));
}
else
{
return(new ObjectResult(ResponseWrapper <GetNearbyPostcodesWithoutAddressesResponse, AddressServiceErrorCode> .CreateUnsuccessfulResponse(AddressServiceErrorCode.ValidationError, validationResults))
{
StatusCode = 422
});
}
}
catch (Exception ex)
{
_logger.LogErrorAndNotifyNewRelic($"Unhandled error in GetNearbyPostcodesWithoutAddresses", ex, req);
return(new ObjectResult(ResponseWrapper <GetNearbyPostcodesWithoutAddressesResponse, AddressServiceErrorCode> .CreateUnsuccessfulResponse(AddressServiceErrorCode.UnhandledError, "Internal Error"))
{
StatusCode = StatusCodes.Status500InternalServerError
});
}
}
public async Task GetNumberOfAddressesPerPostcodeInBoundaryResponse()
{
GetNearbyPostcodesWithoutAddressesRequest request = new GetNearbyPostcodesWithoutAddressesRequest()
{
Postcode = "NG 2AA",
MaxNumberOfResults = 1,
RadiusInMetres = 200
};
GetNearbyPostcodesWithoutAddressesHandler getNearbyPostcodesWithoutAddressesHandler = new GetNearbyPostcodesWithoutAddressesHandler(_mapper.Object, _nearestPostcodeGetter.Object);
GetNearbyPostcodesWithoutAddressesResponse result = await getNearbyPostcodesWithoutAddressesHandler.Handle(request, CancellationToken.None);
Assert.AreEqual(1, result.NearestPostcodes.Count);
Assert.AreEqual("NG1 1AA", result.NearestPostcodes.FirstOrDefault().Postcode);
Assert.AreEqual(99, result.NearestPostcodes.FirstOrDefault().DistanceInMetres);
_nearestPostcodeGetter.Setup(x => x.GetNearestPostcodesAsync(It.Is <string>(y => y == "NG 2AA"), It.Is <int?>(y => y == 200), It.Is <int?>(y => y == 1)));
_mapper.Verify(x => x.Map <IEnumerable <NearestPostcodeDto>, IEnumerable <NearestPostcodeWithoutAddress> >(It.Is <IEnumerable <NearestPostcodeDto> >(y => y.Count() == 1 && y.Any(z => z.Postcode == "NG1 1AA"))), Times.Once);
}
