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 ShouldThrowDependencyExceptionOnRemoveWhenDbUpdateConcurrencyExceptionOccursAndLogItAsync()
{
// given
var randomAttachmentId = Guid.NewGuid();
var randomStudentId = Guid.NewGuid();
Guid someAttachmentId = randomAttachmentId;
Guid someStudentId = randomStudentId;
var databaseUpdateConcurrencyException = new DbUpdateConcurrencyException();
var lockedAttachmentException =
new LockedStudentAttachmentException(databaseUpdateConcurrencyException);
var expectedStudentAttachmentException =
new StudentAttachmentDependencyException(lockedAttachmentException);
this.storageBrokerMock.Setup(broker =>
broker.SelectStudentAttachmentByIdAsync(someStudentId, someAttachmentId))
.ThrowsAsync(databaseUpdateConcurrencyException);
// when
ValueTask <StudentAttachment> removeStudentAttachmentTask =
this.studentAttachmentService.RemoveStudentAttachmentByIdAsync(someStudentId, someAttachmentId);
// then
await Assert.ThrowsAsync <StudentAttachmentDependencyException>(() =>
removeStudentAttachmentTask.AsTask());
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedStudentAttachmentException))),
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();
}