private async ValueTask <Contact> TryCatch(ReturningContactFunction returningContactFunction)
{
try
{
return(await returningContactFunction());
}
catch (NullContactException nullContactException)
{
throw CreateAndLogValidationException(nullContactException);
}
catch (NotFoundContactException notFoundContactException)
{
throw CreateAndLogValidationException(notFoundContactException);
}
catch (InvalidContactException invalidContactException)
{
throw CreateAndLogValidationException(invalidContactException);
}
catch (SqlException sqlException)
{
var failedContactStorageException =
new FailedContactStorageException(sqlException);
throw CreateAndLogCriticalDependencyException(failedContactStorageException);
}
catch (DuplicateKeyException duplicateKeyException)
{
var alreadyExistsContactException =
new AlreadyExistsContactException(duplicateKeyException);
throw CreateAndLogValidationException(alreadyExistsContactException);
}
catch (DbUpdateConcurrencyException dbUpdateConcurrencyException)
{
var lockedContactException =
new LockedContactException(dbUpdateConcurrencyException);
throw CreateAndLogDependencyException(lockedContactException);
}
catch (DbUpdateException dbUpdateException)
{
throw CreateAndLogDependencyException(dbUpdateException);
}
catch (Exception exception)
{
var failedContactServiceException =
new FailedContactServiceException(exception);
throw CreateAndLogServiceException(failedContactServiceException);
}
}
public async Task ShouldThrowServiceExceptionOnModifyIfServiceExceptionOccursAndLogItAsync()
{
// given
int randomNegativeNumber = GetNegativeRandomNumber();
DateTimeOffset randomDateTime = GetRandomDateTime();
Contact randomContact = CreateRandomContact(randomDateTime);
Contact someContact = randomContact;
someContact.CreatedDate = randomDateTime.AddMinutes(randomNegativeNumber);
var serviceException = new Exception();
var failedContactServiceException =
new FailedContactServiceException(serviceException);
var expectedContactServiceException =
new ContactServiceException(failedContactServiceException);
this.storageBrokerMock.Setup(broker =>
broker.SelectContactByIdAsync(someContact.Id))
.ThrowsAsync(serviceException);
this.dateTimeBrokerMock.Setup(broker =>
broker.GetCurrentDateTime())
.Returns(randomDateTime);
// when
ValueTask <Contact> modifyContactTask =
this.contactService.ModifyContactAsync(someContact);
// then
await Assert.ThrowsAsync <ContactServiceException>(() =>
modifyContactTask.AsTask());
this.dateTimeBrokerMock.Verify(broker =>
broker.GetCurrentDateTime(),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.SelectContactByIdAsync(someContact.Id),
Times.Once);
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedContactServiceException))),
Times.Once);
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
this.dateTimeBrokerMock.VerifyNoOtherCalls();
}
public async Task ShouldThrowServiceExceptionOnAddWhenExceptionOccursAndLogItAsync()
{
// given
DateTimeOffset dateTime = GetRandomDateTime();
Contact randomContact = CreateRandomContact(dateTime);
Contact inputContact = randomContact;
inputContact.UpdatedBy = inputContact.CreatedBy;
var serviceException = new Exception();
var failedContactServiceException =
new FailedContactServiceException(serviceException);
var expectedContactServiceException =
new ContactServiceException(failedContactServiceException);
this.dateTimeBrokerMock.Setup(broker =>
broker.GetCurrentDateTime())
.Returns(dateTime);
this.storageBrokerMock.Setup(broker =>
broker.InsertContactAsync(inputContact))
.ThrowsAsync(serviceException);
// when
ValueTask <Contact> registerContactTask =
this.contactService.AddContactAsync(inputContact);
// then
await Assert.ThrowsAsync <ContactServiceException>(() =>
registerContactTask.AsTask());
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedContactServiceException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.InsertContactAsync(inputContact),
Times.Once);
this.dateTimeBrokerMock.Verify(broker =>
broker.GetCurrentDateTime(),
Times.Once);
this.dateTimeBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
}
private IQueryable <Contact> TryCatch(ReturningQueryableContactFunction returningQueryableContactFunction)
{
try
{
return(returningQueryableContactFunction());
}
catch (SqlException sqlException)
{
throw CreateAndLogCriticalDependencyException(sqlException);
}
catch (Exception exception)
{
var failedContactServiceException =
new FailedContactServiceException(exception);
throw CreateAndLogServiceException(failedContactServiceException);
}
}
public async Task ShouldThrowServiceExceptionOnDeleteWhenExceptionOccursAndLogItAsync()
{
// given
Guid randomContactId = Guid.NewGuid();
Guid inputContactId = randomContactId;
var serviceException = new Exception();
var failedContactServiceException =
new FailedContactServiceException(serviceException);
var expectedContactServiceException =
new ContactServiceException(failedContactServiceException);
this.storageBrokerMock.Setup(broker =>
broker.SelectContactByIdAsync(inputContactId))
.ThrowsAsync(serviceException);
// when
ValueTask <Contact> deleteContactTask =
this.contactService.RemoveContactByIdAsync(inputContactId);
// then
await Assert.ThrowsAsync <ContactServiceException>(() =>
deleteContactTask.AsTask());
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedContactServiceException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.SelectContactByIdAsync(inputContactId),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.DeleteContactAsync(It.IsAny <Contact>()),
Times.Never);
this.dateTimeBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
}
public void ShouldThrowServiceExceptionOnRetrieveAllWhenExceptionOccursAndLogIt()
{
// given
var serviceException = new Exception();
var failedContactServiceException =
new FailedContactServiceException(serviceException);
var expectedContactServiceException =
new ContactServiceException(failedContactServiceException);
this.storageBrokerMock.Setup(broker =>
broker.SelectAllContacts())
.Throws(serviceException);
// when
Action retrieveAllContactsAction = () =>
this.contactService.RetrieveAllContacts();
// then
Assert.Throws <ContactServiceException>(
retrieveAllContactsAction);
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedContactServiceException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.SelectAllContacts(),
Times.Once);
this.dateTimeBrokerMock.Verify(broker =>
broker.GetCurrentDateTime(),
Times.Never);
this.dateTimeBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
}
public async Task ShouldThrowServiceExceptionOnRetrieveWhenExceptionOccursAndLogIt()
{
// given
var serviceException = new Exception();
var failedContactServiceException =
new FailedContactServiceException(serviceException);
var expectedContactServiceException =
new ContactServiceException(failedContactServiceException);
var guid = Guid.NewGuid();
this.storageBrokerMock.Setup(broker =>
broker.SelectContactByIdAsync(guid))
.Throws(serviceException);
// when
ValueTask <Contact> retrieveTask = this.contactService.RetrieveContactByIdAsync(guid);
// then
await Assert.ThrowsAsync <ContactServiceException>(() => retrieveTask.AsTask());
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedContactServiceException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.SelectContactByIdAsync(guid),
Times.Once);
this.dateTimeBrokerMock.Verify(broker =>
broker.GetCurrentDateTime(),
Times.Never);
this.dateTimeBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
}