private async ValueTask <CourseAttachment> TryCatch(
ReturningCourseAttachmentFunction returningCourseAttachmentFunction)
{
try
{
return(await returningCourseAttachmentFunction());
}
catch (NullCourseAttachmentException nullCourseAttachmentException)
{
throw CreateAndLogValidationException(nullCourseAttachmentException);
}
catch (InvalidCourseAttachmentException invalidCourseAttachmentException)
{
throw CreateAndLogValidationException(invalidCourseAttachmentException);
}
catch (NotFoundCourseAttachmentException notFoundCourseAttachmentException)
{
throw CreateAndLogValidationException(notFoundCourseAttachmentException);
}
catch (DuplicateKeyException duplicateKeyException)
{
var alreadyExistsCourseAttachmentException =
new AlreadyExistsCourseAttachmentException(duplicateKeyException);
throw CreateAndLogValidationException(alreadyExistsCourseAttachmentException);
}
catch (ForeignKeyConstraintConflictException foreignKeyConstraintConflictException)
{
var invalidCourseAttachmentReferenceException =
new InvalidCourseAttachmentReferenceException(foreignKeyConstraintConflictException);
throw CreateAndLogValidationException(invalidCourseAttachmentReferenceException);
}
catch (DbUpdateConcurrencyException dbUpdateConcurrencyException)
{
var lockedCourseAttachmentException =
new LockedCourseAttachmentException(dbUpdateConcurrencyException);
throw CreateAndLogDependencyException(lockedCourseAttachmentException);
}
catch (SqlException sqlException)
{
throw CreateAndLogCriticalDependencyException(sqlException);
}
catch (DbUpdateException dbUpdateException)
{
throw CreateAndLogDependencyException(dbUpdateException);
}
catch (Exception exception)
{
var failedCourseAttachmentServiceException =
new FailedCourseAttachmentServiceException(exception);
throw CreateAndLogServiceException(failedCourseAttachmentServiceException);
}
}
public async Task ShouldThrowDependencyExceptionOnRemoveWhenDbUpdateConcurrencyExceptionOccursAndLogItAsync()
{
// given
Guid someAttachmentId = Guid.NewGuid();
Guid someCourseId = Guid.NewGuid();
var databaseUpdateConcurrencyException = new DbUpdateConcurrencyException();
var lockedAttachmentException =
new LockedCourseAttachmentException(databaseUpdateConcurrencyException);
var expectedCourseAttachmentException =
new CourseAttachmentDependencyException(lockedAttachmentException);
this.storageBrokerMock.Setup(broker =>
broker.SelectCourseAttachmentByIdAsync(someCourseId, someAttachmentId))
.ThrowsAsync(databaseUpdateConcurrencyException);
// when
ValueTask <CourseAttachment> removeCourseAttachmentTask =
this.courseAttachmentService.RemoveCourseAttachmentByIdAsync(someCourseId, someAttachmentId);
// then
await Assert.ThrowsAsync <CourseAttachmentDependencyException>(() =>
removeCourseAttachmentTask.AsTask());
this.storageBrokerMock.Verify(broker =>
broker.SelectCourseAttachmentByIdAsync(someCourseId, someAttachmentId),
Times.Once);
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedCourseAttachmentException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.DeleteCourseAttachmentAsync(It.IsAny <CourseAttachment>()),
Times.Never);
this.storageBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.dateTimeBrokerMock.VerifyNoOtherCalls();
}
