public async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Function, "get", Route = null)]
[RequestBodyType(typeof(GetNumberOfAddressesPerPostcodeInBoundaryRequest), "Get Number Of Addresses Per Postcode In Boundary")] GetNumberOfAddressesPerPostcodeInBoundaryRequest req,
CancellationToken cancellationToken)
{
try
{
_logger.LogInformation("C# HTTP trigger function processed a request.");
if (req.IsValid(out var validationResults))
{
GetNumberOfAddressesPerPostcodeInBoundaryResponse response = await _mediator.Send(req, cancellationToken);
return(new OkObjectResult(ResponseWrapper <GetNumberOfAddressesPerPostcodeInBoundaryResponse, AddressServiceErrorCode> .CreateSuccessfulResponse(response)));
}
else
{
return(new ObjectResult(ResponseWrapper <GetNumberOfAddressesPerPostcodeInBoundaryResponse, AddressServiceErrorCode> .CreateUnsuccessfulResponse(AddressServiceErrorCode.ValidationError, validationResults))
{
StatusCode = 422
});;
}
}
catch (Exception ex)
{
_logger.LogError($"Unhandled error in {nameof(GetNumberOfAddressesPerPostcodeInBoundary)}", ex);
return(new ObjectResult(ResponseWrapper <GetNumberOfAddressesPerPostcodeInBoundaryResponse, AddressServiceErrorCode> .CreateUnsuccessfulResponse(AddressServiceErrorCode.UnhandledError, "Internal Error"))
{
StatusCode = StatusCodes.Status500InternalServerError
});
}
}
public async Task HappyPath()
{
GetNumberOfAddressesPerPostcodeInBoundaryRequest req = new GetNumberOfAddressesPerPostcodeInBoundaryRequest()
{
SwLatitude = 1,
SwLongitude = 2,
NeLatitude = 3,
NeLongitude = 4
};
GetNumberOfAddressesPerPostcodeInBoundary GetNumberOfAddressesPerPostcodeInBoundary = new GetNumberOfAddressesPerPostcodeInBoundary(_mediator.Object, _logger.Object);
IActionResult result = await GetNumberOfAddressesPerPostcodeInBoundary.Run(req, CancellationToken.None);
OkObjectResult objectResult = result as OkObjectResult;
Assert.IsNotNull(objectResult);
Assert.AreEqual(200, objectResult.StatusCode);
ResponseWrapper <GetNumberOfAddressesPerPostcodeInBoundaryResponse, AddressServiceErrorCode> deserialisedResponse = objectResult.Value as ResponseWrapper <GetNumberOfAddressesPerPostcodeInBoundaryResponse, AddressServiceErrorCode>;
Assert.IsNotNull(deserialisedResponse);
Assert.IsTrue(deserialisedResponse.HasContent);
Assert.IsTrue(deserialisedResponse.IsSuccessful);
Assert.AreEqual(0, deserialisedResponse.Errors.Count());
Assert.AreEqual("NG1 1AA", deserialisedResponse.Content.PostcodesWithNumberOfAddresses.FirstOrDefault().Postcode);
_mediator.Verify(x => x.Send(It.IsAny <GetNumberOfAddressesPerPostcodeInBoundaryRequest>(), It.IsAny <CancellationToken>()));
}
public async Task ErrorThrown()
{
_mediator.Setup(x => x.Send(It.IsAny <GetNumberOfAddressesPerPostcodeInBoundaryRequest>(), It.IsAny <CancellationToken>())).Throws <Exception>();
GetNumberOfAddressesPerPostcodeInBoundaryRequest req = new GetNumberOfAddressesPerPostcodeInBoundaryRequest()
{
SwLatitude = 1,
SwLongitude = 2,
NeLatitude = 3,
NeLongitude = 4
};
GetNumberOfAddressesPerPostcodeInBoundary GetNumberOfAddressesPerPostcodeInBoundary = new GetNumberOfAddressesPerPostcodeInBoundary(_mediator.Object, _logger.Object);
IActionResult result = await GetNumberOfAddressesPerPostcodeInBoundary.Run(req, CancellationToken.None);
ObjectResult objectResult = result as ObjectResult;
Assert.IsNotNull(objectResult);
ResponseWrapper <GetNumberOfAddressesPerPostcodeInBoundaryResponse, AddressServiceErrorCode> deserialisedResponse = objectResult.Value as ResponseWrapper <GetNumberOfAddressesPerPostcodeInBoundaryResponse, AddressServiceErrorCode>;
Assert.IsNotNull(deserialisedResponse);
Assert.AreEqual(500, objectResult.StatusCode);;
Assert.IsFalse(deserialisedResponse.HasContent);
Assert.IsFalse(deserialisedResponse.IsSuccessful);
Assert.AreEqual(1, deserialisedResponse.Errors.Count());
Assert.AreEqual(AddressServiceErrorCode.UnhandledError, deserialisedResponse.Errors[0].ErrorCode);
_mediator.Verify(x => x.Send(It.IsAny <GetNumberOfAddressesPerPostcodeInBoundaryRequest>(), It.IsAny <CancellationToken>()));
_logger.Verify(x => x.LogError(It.Is <string>(y => y.Contains("Unhandled error in GetNumberOfAddressesPerPostcodeInBoundary")), It.IsAny <Exception>()));
}
public async Task ValidationFails()
{
_mediator.Setup(x => x.Send(It.IsAny <GetNumberOfAddressesPerPostcodeInBoundaryRequest>(), It.IsAny <CancellationToken>())).Throws <Exception>();
GetNumberOfAddressesPerPostcodeInBoundaryRequest req = new GetNumberOfAddressesPerPostcodeInBoundaryRequest()
{
SwLatitude = 999, // invalid
SwLongitude = 2,
NeLatitude = 3,
NeLongitude = 4
};
GetNumberOfAddressesPerPostcodeInBoundary GetNumberOfAddressesPerPostcodeInBoundary = new GetNumberOfAddressesPerPostcodeInBoundary(_mediator.Object, _logger.Object);
IActionResult result = await GetNumberOfAddressesPerPostcodeInBoundary.Run(req, CancellationToken.None);
ObjectResult objectResult = result as ObjectResult;
Assert.IsNotNull(objectResult);
ResponseWrapper <GetNumberOfAddressesPerPostcodeInBoundaryResponse, AddressServiceErrorCode> deserialisedResponse = objectResult.Value as ResponseWrapper <GetNumberOfAddressesPerPostcodeInBoundaryResponse, AddressServiceErrorCode>;
Assert.IsNotNull(deserialisedResponse);
Assert.AreEqual(422, objectResult.StatusCode);;
Assert.IsFalse(deserialisedResponse.HasContent);
Assert.IsFalse(deserialisedResponse.IsSuccessful);
Assert.AreEqual(1, deserialisedResponse.Errors.Count());
Assert.AreEqual(AddressServiceErrorCode.ValidationError, deserialisedResponse.Errors[0].ErrorCode);
_mediator.Verify(x => x.Send(It.IsAny <GetNumberOfAddressesPerPostcodeInBoundaryRequest>(), It.IsAny <CancellationToken>()), Times.Never);
}
public async Task GetNumberOfAddressesPerPostcodeInBoundaryResponse()
{
GetNumberOfAddressesPerPostcodeInBoundaryRequest request = new GetNumberOfAddressesPerPostcodeInBoundaryRequest()
{
SwLatitude = 1,
SwLongitude = 2,
NeLatitude = 3,
NeLongitude = 4
};
GetNumberOfAddressesPerPostcodeInBoundaryHandler getNumberOfAddressesPerPostcodeInBoundaryHandler = new GetNumberOfAddressesPerPostcodeInBoundaryHandler(_repository.Object, _postcodeAndAddressGetter.Object);
GetNumberOfAddressesPerPostcodeInBoundaryResponse result = await getNumberOfAddressesPerPostcodeInBoundaryHandler.Handle(request, CancellationToken.None);
Assert.AreEqual(1, result.PostcodesWithNumberOfAddresses.Count);
Assert.AreEqual(3, result.PostcodesWithNumberOfAddresses.FirstOrDefault().NumberOfAddresses);
Assert.AreEqual("NG1 1AA", result.PostcodesWithNumberOfAddresses.FirstOrDefault().Postcode);
_repository.Verify(x => x.GetPostcodesInBoundaryAsync(It.Is <double>(y => y == 1d), It.Is <double>(y => y == 2d), It.Is <double>(y => y == 3d), It.Is <double>(y => y == 4d)), Times.Once);
_postcodeAndAddressGetter.Verify(x => x.GetNumberOfAddressesPerPostcodeAsync(It.Is <IEnumerable <string> >(y => y.Count() == 1 && y.Contains("NG1 1AA")), It.IsAny <CancellationToken>()));
}
