private IQueryable <Course> TryCatch(ReturningQueryableCourseFunction returningQueryableCourseFunction)
{
try
{
return(returningQueryableCourseFunction());
}
catch (SqlException sqlException)
{
throw CreateAndLogCriticalDependencyException(sqlException);
}
catch (DuplicateKeyException duplicateKeyException)
{
var alreadyExistsCourseException =
new AlreadyExistsCourseException(duplicateKeyException);
throw CreateAndLogValidationException(alreadyExistsCourseException);
}
catch (DbUpdateConcurrencyException dbUpdateConcurrencyException)
{
var lockedCourseException = new LockedCourseException(dbUpdateConcurrencyException);
throw CreateAndLogDependencyException(lockedCourseException);
}
catch (DbUpdateException dbUpdateException)
{
throw CreateAndLogDependencyException(dbUpdateException);
}
catch (Exception exception)
{
throw CreateAndLogServiceException(exception);
}
}
public async void ShouldThrowValidationExceptionOnCreateWhenCourseAlreadyExistsAndLogItAsync()
{
// given
DateTimeOffset dateTime = GetRandomDateTime();
Course randomCourse = CreateRandomCourse(dateTime);
Course alreadyExistsCourse = randomCourse;
alreadyExistsCourse.UpdatedBy = alreadyExistsCourse.CreatedBy;
string randomMessage = GetRandomMessage();
string exceptionMessage = randomMessage;
var duplicateKeyException = new DuplicateKeyException(exceptionMessage);
var alreadyExistsCourseException =
new AlreadyExistsCourseException(duplicateKeyException);
var expectedCourseValidationException =
new CourseValidationException(alreadyExistsCourseException);
this.dateTimeBrokerMock.Setup(broker =>
broker.GetCurrentDateTime())
.Returns(dateTime);
this.storageBrokerMock.Setup(broker =>
broker.InsertCourseAsync(alreadyExistsCourse))
.ThrowsAsync(duplicateKeyException);
// when
ValueTask <Course> createCourseTask =
this.courseService.CreateCourseAsync(alreadyExistsCourse);
// then
await Assert.ThrowsAsync <CourseValidationException>(() =>
createCourseTask.AsTask());
this.dateTimeBrokerMock.Verify(broker =>
broker.GetCurrentDateTime(),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.InsertCourseAsync(alreadyExistsCourse),
Times.Once);
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(expectedCourseValidationException))),
Times.Once);
this.dateTimeBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
}
private async ValueTask <Course> TryCatch(ReturningCourseFunction returningCourseFunction)
{
try
{
return(await returningCourseFunction());
}
catch (NullCourseException nullCourseException)
{
throw CreateAndLogValidationException(nullCourseException);
}
catch (InvalidCourseException invalidCourseException)
{
throw CreateAndLogValidationException(invalidCourseException);
}
catch (NotFoundCourseException nullCourseException)
{
throw CreateAndLogValidationException(nullCourseException);
}
catch (SqlException sqlException)
{
throw CreateAndLogCriticalDependencyException(sqlException);
}
catch (DuplicateKeyException duplicateKeyException)
{
var alreadyExistsCourseException =
new AlreadyExistsCourseException(duplicateKeyException);
throw CreateAndLogValidationException(alreadyExistsCourseException);
}
catch (DbUpdateConcurrencyException dbUpdateConcurrencyException)
{
var lockedCourseException = new LockedCourseException(dbUpdateConcurrencyException);
throw CreateAndLogDependencyException(lockedCourseException);
}
catch (DbUpdateException dbUpdateException)
{
throw CreateAndLogDependencyException(dbUpdateException);
}
catch (Exception exception)
{
var failedCourseServiceException =
new FailedCourseServiceException(exception);
throw CreateAndLogServiceException(failedCourseServiceException);
}
}
