public async Task ShouldThrowDependencyExceptionOnRetrieveByIdWhenDbUpdateConcurrencyExceptionOccursAndLogItAsync()
{
// given
Guid randomClassroomId = Guid.NewGuid();
Guid inputClassroomId = randomClassroomId;
var databaseUpdateConcurrencyException = new DbUpdateConcurrencyException();
var lockedClassroomException = new LockedClassroomException(databaseUpdateConcurrencyException);
var expectedClassroomDependencyException =
new ClassroomDependencyException(lockedClassroomException);
this.storageBrokerMock.Setup(broker =>
broker.SelectClassroomByIdAsync(inputClassroomId))
.ThrowsAsync(databaseUpdateConcurrencyException);
//when
ValueTask <Classroom> retrieveClassroomTask =
this.classroomService.RetrieveClassroomById(inputClassroomId);
// then
await Assert.ThrowsAsync <ClassroomDependencyException>(() =>
retrieveClassroomTask.AsTask());
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(expectedClassroomDependencyException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.SelectClassroomByIdAsync(inputClassroomId),
Times.Once);
this.dateTimeBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
}
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 ShouldThrowDependencyExceptionOnModifyIfDbUpdateConcurrencyExceptionOccursAndLogItAsync()
{
// given
int randomNegativeNumber = GetNegativeRandomNumber();
DateTimeOffset randomDateTime = GetRandomDateTime();
Classroom randomClassroom = CreateRandomClassroom(randomDateTime);
Classroom someClassroom = randomClassroom;
someClassroom.CreatedDate = randomDateTime.AddMinutes(randomNegativeNumber);
var databaseUpdateConcurrencyException = new DbUpdateConcurrencyException();
var lockedClassroomException = new LockedClassroomException(databaseUpdateConcurrencyException);
var expectedClassroomDependencyException =
new ClassroomDependencyException(lockedClassroomException);
this.storageBrokerMock.Setup(broker =>
broker.SelectClassroomByIdAsync(someClassroom.Id))
.ThrowsAsync(databaseUpdateConcurrencyException);
this.dateTimeBrokerMock.Setup(broker =>
broker.GetCurrentDateTime())
.Returns(randomDateTime);
// when
ValueTask <Classroom> modifyClassroomTask =
this.classroomService.ModifyClassroomAsync(someClassroom);
// then
await Assert.ThrowsAsync <ClassroomDependencyException>(() =>
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(expectedClassroomDependencyException))),
Times.Once);
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
this.dateTimeBrokerMock.VerifyNoOtherCalls();
}
public async Task ShouldThrowDependencyExceptionOnModifyIfDbUpdateConcurrencyExceptionOccursAndLogItAsync()
{
// given
Classroom randomClassroom = CreateRandomClassroom();
var databaseUpdateConcurrencyException = new DbUpdateConcurrencyException();
var lockedClassroomException = new LockedClassroomException(databaseUpdateConcurrencyException);
var expectedClassroomDependencyValidationException =
new ClassroomDependencyValidationException(lockedClassroomException);
this.dateTimeBrokerMock.Setup(broker =>
broker.GetCurrentDateTime())
.Throws(databaseUpdateConcurrencyException);
// when
ValueTask <Classroom> modifyClassroomTask =
this.classroomService.ModifyClassroomAsync(randomClassroom);
// then
await Assert.ThrowsAsync <ClassroomDependencyValidationException>(() =>
modifyClassroomTask.AsTask());
this.dateTimeBrokerMock.Verify(broker =>
broker.GetCurrentDateTime(),
Times.Once);
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedClassroomDependencyValidationException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.UpdateClassroomAsync(It.IsAny <Classroom>()),
Times.Never);
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
this.dateTimeBrokerMock.VerifyNoOtherCalls();
}