private async ValueTask <StudentAttachment> TryCatch(
ReturningStudentAttachmentFunction returningStudentAttachmentFunction)
{
try
{
return(await returningStudentAttachmentFunction());
}
catch (NullStudentAttachmentException nullStudentAttachmentInputException)
{
throw CreateAndLogValidationException(nullStudentAttachmentInputException);
}
catch (InvalidStudentAttachmentException invalidStudentAttachmentInputException)
{
throw CreateAndLogValidationException(invalidStudentAttachmentInputException);
}
catch (NotFoundStudentAttachmentException notFoundStudentAttachmentException)
{
throw CreateAndLogValidationException(notFoundStudentAttachmentException);
}
catch (SqlException sqlException)
{
throw CreateAndLogCriticalDependencyException(sqlException);
}
catch (DuplicateKeyException duplicateKeyException)
{
var alreadyExistsStudentAttachmentException =
new AlreadyExistsStudentAttachmentException(duplicateKeyException);
throw CreateAndLogValidationException(alreadyExistsStudentAttachmentException);
}
catch (ForeignKeyConstraintConflictException foreignKeyConstraintConflictException)
{
var invalidStudentAttachmentReferenceException =
new InvalidStudentAttachmentReferenceException(foreignKeyConstraintConflictException);
throw CreateAndLogValidationException(invalidStudentAttachmentReferenceException);
}
catch (DbUpdateConcurrencyException dbUpdateConcurrencyException)
{
var lockedAttachmentException =
new LockedStudentAttachmentException(dbUpdateConcurrencyException);
throw CreateAndLogDependencyException(lockedAttachmentException);
}
catch (DbUpdateException dbUpdateException)
{
throw CreateAndLogDependencyException(dbUpdateException);
}
catch (Exception exception)
{
var failedStudentAttachmentServiceException =
new FailedStudentAttachmentServiceException(exception);
throw CreateAndLogServiceException(failedStudentAttachmentServiceException);
}
}
public async Task ShouldThrowServiceExceptionOnRemoveWhenExceptionOccursAndLogItAsync()
{
// given
var randomAttachmentId = Guid.NewGuid();
var randomStudentId = Guid.NewGuid();
Guid someAttachmentId = randomAttachmentId;
Guid someStudentId = randomStudentId;
var serviceException = new Exception();
var failedStudentAttachmentServiceException =
new FailedStudentAttachmentServiceException(serviceException);
var expectedStudentAttachmentServiceException =
new StudentAttachmentServiceException(failedStudentAttachmentServiceException);
this.storageBrokerMock.Setup(broker =>
broker.SelectStudentAttachmentByIdAsync(someStudentId, someAttachmentId))
.ThrowsAsync(serviceException);
// when
ValueTask <StudentAttachment> removeStudentAttachmentTask =
this.studentAttachmentService.RemoveStudentAttachmentByIdAsync(
someStudentId,
someAttachmentId);
// then
await Assert.ThrowsAsync <StudentAttachmentServiceException>(() =>
removeStudentAttachmentTask.AsTask());
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedStudentAttachmentServiceException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.SelectStudentAttachmentByIdAsync(someStudentId, someAttachmentId),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.DeleteStudentAttachmentAsync(It.IsAny <StudentAttachment>()),
Times.Never);
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
}
private IQueryable <StudentAttachment> TryCatch(ReturningStudentAttachmentsFunction returningStudentAttachmentsFunction)
{
try
{
return(returningStudentAttachmentsFunction());
}
catch (SqlException sqlException)
{
throw CreateAndLogCriticalDependencyException(sqlException);
}
catch (Exception exception)
{
var failedStudentAttachmentServiceException =
new FailedStudentAttachmentServiceException(exception);
throw CreateAndLogServiceException(failedStudentAttachmentServiceException);
}
}
public async Task ShouldThrowServiceExceptionOnAddWhenExceptionOccursAndLogItAsync()
{
// given
StudentAttachment randomStudentAttachment = CreateRandomStudentAttachment();
StudentAttachment inputStudentAttachment = randomStudentAttachment;
var serviceException = new Exception();
var failedStudentAttachmentServiceException =
new FailedStudentAttachmentServiceException(serviceException);
var expectedStudentAttachmentServiceException =
new StudentAttachmentServiceException(failedStudentAttachmentServiceException);
this.storageBrokerMock.Setup(broker =>
broker.InsertStudentAttachmentAsync(inputStudentAttachment))
.ThrowsAsync(serviceException);
// when
ValueTask <StudentAttachment> addStudentAttachmentTask =
this.studentAttachmentService.AddStudentAttachmentAsync(inputStudentAttachment);
// then
await Assert.ThrowsAsync <StudentAttachmentServiceException>(() =>
addStudentAttachmentTask.AsTask());
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedStudentAttachmentServiceException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.InsertStudentAttachmentAsync(inputStudentAttachment),
Times.Once);
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
}
public void ShouldThrowServiceExceptionOnRetrieveAllStudentAttachmentsWhenExceptionOccursAndLogIt()
{
// given
var serviceException = new Exception();
var failedStudentAttachmentServiceException =
new FailedStudentAttachmentServiceException(serviceException);
var expectedStudentAttachmentServiceException =
new StudentAttachmentServiceException(failedStudentAttachmentServiceException);
this.storageBrokerMock.Setup(broker =>
broker.SelectAllStudentAttachments())
.Throws(serviceException);
// when
Action retrieveAllStudentAttachmentsAction = () =>
this.studentAttachmentService.RetrieveAllStudentAttachments();
// then
Assert.Throws <StudentAttachmentServiceException>(
retrieveAllStudentAttachmentsAction);
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedStudentAttachmentServiceException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.SelectAllStudentAttachments(),
Times.Once);
this.storageBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.dateTimeBrokerMock.VerifyNoOtherCalls();
}
