private async ValueTask <Classroom> TryCatch(ReturningClassroomFunction returningClassroomFunction)
{
try
{
return(await returningClassroomFunction());
}
catch (NullClassroomException nullClassroomException)
{
throw CreateAndLogValidationException(nullClassroomException);
}
catch (InvalidClassroomException invalidClassroomInputException)
{
throw CreateAndLogValidationException(invalidClassroomInputException);
}
catch (NotFoundClassroomException notFoundClassroomException)
{
throw CreateAndLogValidationException(notFoundClassroomException);
}
catch (SqlException sqlException)
{
var failedClassroomStorageException =
new FailedClassroomStorageException(sqlException);
throw CreateAndLogCriticalDependencyException(failedClassroomStorageException);
}
catch (DuplicateKeyException duplicateKeyException)
{
var alreadyExistsClassroomException =
new AlreadyExistsClassroomException(duplicateKeyException);
throw CreateAndLogValidationException(alreadyExistsClassroomException);
}
catch (DbUpdateConcurrencyException dbUpdateConcurrencyException)
{
var lockedClassroomException = new LockedClassroomException(dbUpdateConcurrencyException);
throw CreateAndLogDependencyValidationException(lockedClassroomException);
}
catch (DbUpdateException dbUpdateException)
{
var failedClassroomStorageException =
new FailedClassroomStorageException(dbUpdateException);
throw CreateAndLogDependencyException(failedClassroomStorageException);
}
catch (Exception exception)
{
var failedClassroomServiceException =
new FailedClassroomServiceException(exception);
throw CreateAndLogServiceException(failedClassroomServiceException);
}
}
public async Task ShouldThrowServiceExceptionOnCreateWhenExceptionOccursAndLogItAsync()
{
// given
DateTimeOffset dateTime = GetRandomDateTime();
Classroom randomClassroom = CreateRandomClassroom(dateTime);
Classroom inputClassroom = randomClassroom;
inputClassroom.UpdatedBy = inputClassroom.CreatedBy;
inputClassroom.UpdatedDate = inputClassroom.CreatedDate;
var serviceException = new Exception();
var failedClassroomServiceException =
new FailedClassroomServiceException(serviceException);
var expectedClassroomServiceException =
new ClassroomServiceException(failedClassroomServiceException);
this.dateTimeBrokerMock.Setup(broker =>
broker.GetCurrentDateTime())
.Returns(dateTime);
this.storageBrokerMock.Setup(broker =>
broker.InsertClassroomAsync(inputClassroom))
.ThrowsAsync(serviceException);
// when
ValueTask <Classroom> createClassroomTask =
this.classroomService.CreateClassroomAsync(inputClassroom);
// then
await Assert.ThrowsAsync <ClassroomServiceException>(() =>
createClassroomTask.AsTask());
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedClassroomServiceException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.InsertClassroomAsync(inputClassroom),
Times.Once);
this.dateTimeBrokerMock.Verify(broker =>
broker.GetCurrentDateTime(),
Times.Once);
this.dateTimeBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
}
public async Task ShouldThrowServiceExceptionOnModifyIfServiceExceptionOccursAndLogItAsync()
{
// given
int randomNegativeNumber = GetNegativeRandomNumber();
DateTimeOffset randomDateTime = GetRandomDateTime();
Classroom randomClassroom = CreateRandomClassroom(randomDateTime);
Classroom someClassroom = randomClassroom;
someClassroom.CreatedDate = randomDateTime.AddMinutes(randomNegativeNumber);
var serviceException = new Exception();
var failedClassroomServiceException =
new FailedClassroomServiceException(serviceException);
var expectedClassroomServiceException =
new ClassroomServiceException(failedClassroomServiceException);
this.storageBrokerMock.Setup(broker =>
broker.SelectClassroomByIdAsync(someClassroom.Id))
.ThrowsAsync(serviceException);
this.dateTimeBrokerMock.Setup(broker =>
broker.GetCurrentDateTime())
.Returns(randomDateTime);
// when
ValueTask <Classroom> modifyClassroomTask =
this.classroomService.ModifyClassroomAsync(someClassroom);
// then
await Assert.ThrowsAsync <ClassroomServiceException>(() =>
modifyClassroomTask.AsTask());
this.dateTimeBrokerMock.Verify(broker =>
broker.GetCurrentDateTime(),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.SelectClassroomByIdAsync(someClassroom.Id),
Times.Once);
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedClassroomServiceException))),
Times.Once);
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
this.dateTimeBrokerMock.VerifyNoOtherCalls();
}
private IQueryable <Classroom> TryCatch(
ReturningQueryableClassroomFunction returningQueryableClassroomFunction)
{
try
{
return(returningQueryableClassroomFunction());
}
catch (SqlException sqlException)
{
var failedClassroomStorageException = new FailedClassroomStorageException(sqlException);
throw CreateAndLogCriticalDependencyException(failedClassroomStorageException);
}
catch (Exception exception)
{
var failedClassroomServiceException =
new FailedClassroomServiceException(exception);
throw CreateAndLogServiceException(failedClassroomServiceException);
}
}
public void ShouldThrowServiceExceptionOnRetrieveAllWhenExceptionOccursAndLogIt()
{
// given
var serviceException = new Exception();
var failedClassroomServiceException =
new FailedClassroomServiceException(serviceException);
var expectedClassroomServiceException =
new ClassroomServiceException(failedClassroomServiceException);
this.storageBrokerMock.Setup(broker =>
broker.SelectAllClassrooms())
.Throws(serviceException);
// when
Action retrieveAllClassroomsAction = () =>
this.classroomService.RetrieveAllClassrooms();
// then
Assert.Throws <ClassroomServiceException>(retrieveAllClassroomsAction);
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedClassroomServiceException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.SelectAllClassrooms(),
Times.Once);
this.dateTimeBrokerMock.Verify(broker =>
broker.GetCurrentDateTime(),
Times.Never);
this.dateTimeBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
}
public async Task ShouldThrowServiceExceptionOnRetrieveByIdWhenExceptionOccursAndLogItAsync()
{
// given
Guid randomClassroomId = Guid.NewGuid();
Guid inputClassroomId = randomClassroomId;
var serviceException = new Exception();
var failedClassroomServiceException =
new FailedClassroomServiceException(serviceException);
var expectedClassroomServiceException =
new ClassroomServiceException(failedClassroomServiceException);
this.storageBrokerMock.Setup(broker =>
broker.SelectClassroomByIdAsync(inputClassroomId))
.ThrowsAsync(serviceException);
// when
ValueTask <Classroom> retrieveClassroomTask =
this.classroomService.RetrieveClassroomById(inputClassroomId);
// then
await Assert.ThrowsAsync <ClassroomServiceException>(() =>
retrieveClassroomTask.AsTask());
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedClassroomServiceException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.SelectClassroomByIdAsync(inputClassroomId),
Times.Once);
this.dateTimeBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
}