protected HttpContext GetContext()
{
HttpContext context = HttpContext.Current;
Fail.IfNull(context, nameof(HttpContext) + "." + nameof(HttpContext.Current) + " is not available");
return(context);
}
public static ContestOwnerQuery Create(int contestId, ClaimsPrincipal user)
{
Fail.IfNull(contestId);
Fail.IfNull(user);
return(new ContestOwnerQuery(contestId, user));
}
private User GetUserBy(string userId)
{
var user = this.FindUserBy(userId);
Fail.IfNull(user, Violation.Of("There is no user with id '{0}'", userId));
return(user !);
}
public static CreateContestCommand Create(string name, ClaimsPrincipal user)
{
Fail.IfNullOrEmpty(name);
Fail.IfNull(user);
return(new CreateContestCommand(name, user));
}
public void IfNullSuccess()
{
// ARRANGE
object thisIsNotNull = "not null";
// ACT
Fail.IfNull(thisIsNotNull, "this is null and it shouldn't be");
}
public async Task <FileResult> Handle(OrderPaymentInvoiceQuery request, CancellationToken cancellationToken)
{
var order = await _unitOfWork.OrderRepository.FindAsync(request.Id);
Fail.IfNull(order, request.Id);
return(new FileContentResult(order.DriversInvoice.Content, "application/pdf"));
}
public void IfNullForNotNullableType()
{
// ARRANGE
long thisIsNotNull = 123;
// ACT
Fail.IfNull(thisIsNotNull, "this is null and it shouldn't be");
}
public static CompilationQuery Create(string sourceCode, string input, ProgrammingLanguage language)
{
Fail.IfNullOrEmpty(sourceCode);
Fail.IfNull(input);
Fail.IfNull(language);
return(new CompilationQuery(sourceCode, input, language));
}
public async Task <DriverPhotoQueryDto> Handle(DriverPhotoQuery request, CancellationToken cancellationToken)
{
var driver = await _unitOfWork.DriverRepository.FindAsync(request.Id);
Fail.IfNull(driver, request.Id);
return(new DriverPhotoQueryDto(driver.PersonalInfo.Photo));
}
public static CreateSolutionCommand Create(string sourceCode, string languageCode, int taskId, string username)
{
Fail.IfNullOrEmpty(sourceCode);
Fail.IfNullOrEmpty(languageCode);
Fail.IfNull(taskId);
Fail.IfNull(username);
return(new CreateSolutionCommand(sourceCode, languageCode, taskId, username));
}
public async Task Consume(ConsumeContext <ICustomerRated> context)
{
var message = context.Message;
var customer = await _unitOfWork.CustomerRepository.GetCustomerWithRides(message.CustomerId);
Fail.IfNull(customer, message.CustomerId);
_customerService.RecalculateCustomerGrade(customer, message.Grade);
await _unitOfWork.CommitAsync();
}
private void DisposeSessions()
{
Fail.IfNull(Sack, nameof(Sack) + " is null");
// ReSharper disable once ArrangeStaticMemberQualifier
SessionsContainer sessionsContainer = Sack.Value;
// Sack may be empty - when no session was started
sessionsContainer?.Dispose();
}
public Code Line(string line)
{
Fail.IfNull(line, nameof(line));
if (this.text == null)
{
return(new Code(line, this.language));
}
return(new Code(this.text + Markdown.NL + line, this.language));
}
public FieldInfo GetFieldInfo([NotNull] Enum @enum)
{
Fail.IfArgumentNull(@enum, nameof(@enum));
string name = Enum.GetName(this.type, @enum);
Fail.IfNull(name, Violation.Of("Enum value {0} not found in enum {1}", @enum, this.type));
FieldInfo field = this.type.GetField(name);
return(field.OrFail(nameof(field)));
}
public async Task <Unit> Handle(UpdateCustomerCommand request, CancellationToken cancellationToken)
{
var customer = await _unitOfWork.CustomerRepository.FindAsync(request.Id);
Fail.IfNull(customer, request.Id);
_customerService.UpdateCustomer(customer, request.Name, request.Surname, request.PhoneNumber, request.Email);
_unitOfWork.Commit();
return(Unit.Value);
}
public void IfNullWithName(object thisIsNull)
{
// ACT
var exception = Assert.Throws <DesignByContractViolationException>(
// ReSharper disable once ExpressionIsAlwaysNull
() => Fail.IfNull(thisIsNull, nameof(thisIsNull))
);
// ASSERT
Assert.That(exception.Message, Is.EqualTo("'thisIsNull' is null; and it shouldn't be;"));
}
public async Task <Unit> Handle(DeleteDriverCommand request, CancellationToken cancellationToken)
{
var driver = await _unitOfWork.DriverRepository.FindAsync(request.Id);
Fail.IfNull(driver, request.Id);
_unitOfWork.Delete(driver);
await _unitOfWork.CommitAsync();
return(Unit.Value);
}
public async Task <Unit> Handle(UpdateCarCommand request, CancellationToken cancellationToken)
{
var driver = await _unitOfWork.DriverRepository.FindAsync(request.Id);
Fail.IfNull(driver, request.Id);
_driverService.UpdateDriversCar(driver, request.CarModel, request.CarRegistrationPlateNumber);
await _unitOfWork.CommitAsync();
return(Unit.Value);
}
public void IfNullWithMessage(object thisIsNull)
{
// ACT
var exception = Assert.Throws <DesignByContractViolationException>(
// ReSharper disable once ExpressionIsAlwaysNull
// ReSharper disable once HeapView.BoxingAllocation
() => Fail.IfNull(thisIsNull, Violation.Of("this is null and it shouldn't be {0} {1} {2} {3}", 1, "never", "maybe", "wow"))
);
// ASSERT
Assert.That(exception.Message, Is.EqualTo("this is null and it shouldn't be 1 never maybe wow"));
}
public async Task <FileResult> Handle(DriverRideInvoiceQuery request, CancellationToken cancellationToken)
{
var driver = await _unitOfWork.DriverRepository.GetDriverWithRides(request.DriverId);
Fail.IfNull(driver, request.DriverId);
var ride = driver.Rides.SingleOrDefault(x => x.Id == request.Id);
Fail.IfNull(driver, request.Id);
Fail.IfNull(ride.Invoice, ride, request.Id);
return(new FileContentResult(ride.Invoice.Content, "application/pdf"));
}
public static T Read <T>([NotNull] this HttpContent?content, string jsonPath)
{
Fail.IfNull(content, nameof(content));
JToken?json = content.ReadJson();
var node = json !.SelectToken(jsonPath).FailIfNull(Violation.Of($"Cannot find JSON node '{jsonPath}'"));
if (node is JObject)
{
return(node.ToObject <T>());
}
return(node.Value <T>());
}
public async Task <Unit> Handle(UpdateDriversLicenseCommand request, CancellationToken cancellationToken)
{
var driver = await _unitOfWork.DriverRepository.FindAsync(request.Id);
Fail.IfNull(driver, request.Id);
_driverService.UpdateDriversLicense(driver, request.DriversLicenseNumber, request.DriversLicenseDateOfIssue,
request.DriversLicenseExpiryDate);
await _unitOfWork.CommitAsync();
return(Unit.Value);
}
public async Task <Unit> Handle(AddPaymentMethodCommand request, CancellationToken cancellationToken)
{
var customer = await _unitOfWork.CustomerRepository.GetCustomerWithPaymentMethods(request.Id);
Fail.IfNull(customer, request.Id);
var paymentMethod = _paymentMethodService.CreatePaymentMethod(request.Type, request.Email, request.Password,
request.PhoneNumber, request.IsAlwaysLoggedIn, request.CardNumber, request.ExpiryDate, request.CvvCode, request.Country);
customer.AddPaymentMethod(paymentMethod);
await _unitOfWork.CommitAsync();
return(Unit.Value);
}
public async Task <DriverNextStopDetailsQueryDto> Handle(DriverNextStopDetailsQuery request, CancellationToken cancellationToken)
{
var driver = await _unitOfWork.DriverRepository.GetDriverWithRides(request.DriverId);
Fail.IfNull(driver, request.DriverId);
var ride = driver.Rides.SingleOrDefault(x => x.Id == request.Id);
Fail.IfNull(ride, request.Id);
var stop = _rideService.GetNextStop(ride);
return(new DriverNextStopDetailsQueryDto(stop.Id, _mapper.Map <AddressDto>(stop.Address)));
}
public void IfNullWith3Arguments()
{
// ARRANGE
object thisIsNull = null;
// ACT
var exception = Assert.Throws <DesignByContractViolationException>(
// ReSharper disable once ExpressionIsAlwaysNull
() => Fail.IfNull(thisIsNull, "this is null and it shouldn't be {0} {1} {2}", 1, "never", "maybe")
);
// ASSERT
Assert.That(exception.Message, Is.EqualTo("this is null and it shouldn't be 1 never maybe"));
}
private WcfOperationContextStorageExtension <T> GetWcfStorageExtension()
{
Fail.IfNull(OperationContext.Current, "There is no WCF " + nameof(OperationContext) + " available");
IExtensionCollection <OperationContext> extensions = OperationContext.Current.Extensions;
var instance = extensions.Find <WcfOperationContextStorageExtension <T> >();
if (instance == null)
{
instance = new WcfOperationContextStorageExtension <T>();
extensions.Add(instance);
}
return(instance);
}
public async Task <Unit> Handle(UpdateStopCommand request, CancellationToken cancellationToken)
{
var driver = await _unitOfWork.DriverRepository.GetDriverWithRides(request.DriverId);
Fail.IfNull(driver, request.DriverId);
var ride = driver.Rides.SingleOrDefault(x => x.Id == request.Id);
Fail.IfNull(ride, request.Id);
_destinationPointService.UpdateDestinationPoint(ride, request.StopId);
await _unitOfWork.CommitAsync();
return(Unit.Value);
}
public async Task <Unit> Handle(DeletePaymentMethodCommand request, CancellationToken cancellationToken)
{
var customer = await _unitOfWork.CustomerRepository.GetCustomerWithPaymentMethods(request.Id);
Fail.IfNull(customer, request.Id);
var paymentMethod = customer.PaymentMethods.SingleOrDefault(x => x.Id == request.PaymentMethodId);
Fail.IfNull(paymentMethod, request.PaymentMethodId);
customer.RemovePaymentMethod(paymentMethod);
await _unitOfWork.CommitAsync();
return(Unit.Value);
}
public async Task <Unit> Handle(UploadDriverPhotoCommand request, CancellationToken cancellationToken)
{
var driver = await _unitOfWork.DriverRepository.FindAsync(request.Id);
Fail.IfNull(driver, request.Id);
using (var memoryStream = new MemoryStream())
{
request.Photo.OpenReadStream().CopyTo(memoryStream);
driver.PersonalInfo.Photo = memoryStream.ToArray();
}
await _unitOfWork.CommitAsync();
return(Unit.Value);
}
public async Task <Unit> Handle(RequestRideCommand request, CancellationToken cancellationToken)
{
var customer = await _unitOfWork.CustomerRepository.FindAsync(request.Id);
Fail.IfNull(customer, request.Id);
customer.AddDomainEvent(new RideRequested(
customer.Id,
_mapper.Map <CustomerDetails>(customer),
_mapper.Map <Address>(request.StartPoint),
_mapper.Map <Address>(request.DestinationPoint)));
await _unitOfWork.CommitAsync();
return(Unit.Value);
}
