public async Task ShouldDeleteDomainAndHostWhenDomainDeletedReceivedAndHostIsNotStillInUse()
{
string domainName = "test.gov.uk";
string hostName = "test-host-inbound.com";
DomainDeleted message = new DomainDeleted(domainName);
MxEntityState stateFromDb = new MxEntityState(domainName.ToLower())
{
MxState = MxState.Created, HostMxRecords = new List <HostMxRecord>
{
new HostMxRecord(hostName, 0, new List <string>())
}
};
List <string> uniqueHosts = new List <string> {
hostName
};
A.CallTo(() => _dao.Get(domainName.ToLower())).Returns(Task.FromResult(stateFromDb));
A.CallTo(() => _dao.GetHostsUniqueToDomain(domainName.ToLower())).Returns(Task.FromResult(uniqueHosts));
await _mxEntity.Handle(message);
A.CallTo(() => _dao.DeleteHosts(uniqueHosts)).MustHaveHappenedOnceExactly();
A.CallTo(() => _dispatcher.Dispatch(A <MxHostDeleted> .That.Matches(a => a.Id == stateFromDb.HostMxRecords[0].Id), A <string> ._)).MustHaveHappenedOnceExactly();
A.CallTo(() => _dao.Delete(domainName.ToLower())).MustHaveHappenedOnceExactly();
}
public async Task Handle(DomainDeleted message)
{
string domainName = message.Id.ToLower();
MxEntityState state = await LoadState(domainName, nameof(message));
if (state.HostMxRecords != null && state.HostMxRecords.Count > 0)
{
List <string> uniqueHosts = await _dao.GetHostsUniqueToDomain(domainName);
if (uniqueHosts.Count > 0)
{
await _dao.DeleteHosts(uniqueHosts);
foreach (string host in uniqueHosts)
{
_dispatcher.Dispatch(new MxHostDeleted(host), _mxEntityConfig.SnsTopicArn);
_log.LogInformation($"An MxHostDeleted message for Host: {host} has been dispatched to the SnsTopic: {_mxEntityConfig.SnsTopicArn}");
}
}
}
await _dao.Delete(domainName);
_log.LogInformation($"Deleted MX entity with id: {message.Id}.");
}