public async Task ShouldThrowDependencyExceptionOnDeleteWhenDbUpdateConcurrencyExceptionOccursAndLogItAsync()
        {
            // given
            Guid randomStudentExamId = Guid.NewGuid();
            Guid inputStudentExamId  = randomStudentExamId;
            var  databaseUpdateConcurrencyException = new DbUpdateConcurrencyException();

            var lockedStudentExamException = new LockedStudentExamException(databaseUpdateConcurrencyException);

            var expectedStudentExamException = new StudentExamDependencyException(lockedStudentExamException);

            this.storageBrokerMock.Setup(broker =>
                                         broker.SelectStudentExamByIdAsync(inputStudentExamId))
            .ThrowsAsync(databaseUpdateConcurrencyException);

            // when
            ValueTask <StudentExam> deleteStudentExamTask =
                this.studentExamService.RemoveStudentExamByIdAsync(inputStudentExamId);

            // then
            await Assert.ThrowsAsync <StudentExamDependencyException>(() => deleteStudentExamTask.AsTask());

            this.loggingBrokerMock.Verify(broker =>
                                          broker.LogError(It.Is(SameExceptionAs(
                                                                    expectedStudentExamException))),
                                          Times.Once);

            this.storageBrokerMock.Verify(broker =>
                                          broker.SelectStudentExamByIdAsync(inputStudentExamId),
                                          Times.Once);

            this.dateTimeBrokerMock.VerifyNoOtherCalls();
            this.loggingBrokerMock.VerifyNoOtherCalls();
            this.storageBrokerMock.VerifyNoOtherCalls();
        }
Example #2
0
        public async Task ShouldThrowDependencyExceptionOnModifyIfDbUpdateConcurrencyExceptionOccursAndLogItAsync()
        {
            // given
            int            randomNegativeNumber = GetNegativeRandomNumber();
            DateTimeOffset randomDateTime       = GetRandomDateTime();
            StudentExam    randomStudentExam    = CreateRandomStudentExam(randomDateTime);
            StudentExam    someStudentExam      = randomStudentExam;

            someStudentExam.CreatedDate = randomDateTime.AddMinutes(randomNegativeNumber);
            var databaseUpdateConcurrencyException = new DbUpdateConcurrencyException();
            var lockedStudentExamException         = new LockedStudentExamException(databaseUpdateConcurrencyException);

            var expectedStudentExamDependencyException =
                new StudentExamDependencyException(lockedStudentExamException);

            this.storageBrokerMock.Setup(broker =>
                                         broker.SelectStudentExamByIdAsync
                                             (someStudentExam.Id))
            .ThrowsAsync(databaseUpdateConcurrencyException);

            this.dateTimeBrokerMock.Setup(broker =>
                                          broker.GetCurrentDateTime())
            .Returns(randomDateTime);

            // when
            ValueTask <StudentExam> modifyStudentExamTask =
                this.studentExamService.ModifyStudentExamAsync(someStudentExam);

            // then
            await Assert.ThrowsAsync <StudentExamDependencyException>(() =>
                                                                      modifyStudentExamTask.AsTask());

            this.dateTimeBrokerMock.Verify(broker =>
                                           broker.GetCurrentDateTime(),
                                           Times.Once);

            this.storageBrokerMock.Verify(broker =>
                                          broker.SelectStudentExamByIdAsync(It.IsAny <Guid>()),
                                          Times.Once);

            this.loggingBrokerMock.Verify(broker =>
                                          broker.LogError(It.Is(SameExceptionAs(
                                                                    expectedStudentExamDependencyException))),
                                          Times.Once);

            this.loggingBrokerMock.VerifyNoOtherCalls();
            this.storageBrokerMock.VerifyNoOtherCalls();
            this.dateTimeBrokerMock.VerifyNoOtherCalls();
        }
        private async ValueTask <StudentExam> TryCatch(
            ReturningStudentExamFunction returningStudentExamFunction)
        {
            try
            {
                return(await returningStudentExamFunction());
            }
            catch (NullStudentExamException nullStudentExamException)
            {
                throw CreateAndLogValidationException(nullStudentExamException);
            }
            catch (InvalidStudentExamException invalidStudentExamException)
            {
                throw CreateAndLogValidationException(invalidStudentExamException);
            }
            catch (NotFoundStudentExamException nullStudentExamException)
            {
                throw CreateAndLogValidationException(nullStudentExamException);
            }
            catch (SqlException sqlException)
            {
                throw CreateAndLogCriticalDependencyException(sqlException);
            }
            catch (DbUpdateConcurrencyException dbUpdateConcurrencyException)
            {
                var lockedStudentExamException = new LockedStudentExamException(dbUpdateConcurrencyException);

                throw CreateAndLogDependencyException(lockedStudentExamException);
            }
            catch (DbUpdateException dbUpdateException)
            {
                throw CreateAndLogDependencyException(dbUpdateException);
            }
            catch (Exception exception)
            {
                var failedStudentExamServiceException =
                    new FailedStudentExamServiceException(exception);

                throw CreateAndLogServiceException(failedStudentExamServiceException);
            }
        }