//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @SuppressWarnings({ "unchecked", "rawtypes" }) @Test public void ifProposingWithClosedInstanceThenRetryWithNextInstance() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void IfProposingWithClosedInstanceThenRetryWithNextInstance()
{
ProposerContext context = Mockito.mock(typeof(ProposerContext));
when(context.GetLog(any(typeof(Type)))).thenReturn(NullLog.Instance);
Org.Neo4j.cluster.protocol.atomicbroadcast.multipaxos.InstanceId instanceId = new Org.Neo4j.cluster.protocol.atomicbroadcast.multipaxos.InstanceId(42);
PaxosInstanceStore paxosInstanceStore = new PaxosInstanceStore();
// The instance is closed
PaxosInstance paxosInstance = new PaxosInstance(paxosInstanceStore, instanceId); // the instance
paxosInstance.Closed(instanceId, "1/15#"); // is closed for that conversation, not really important
when(context.UnbookInstance(instanceId)).thenReturn(Message.@internal(ProposerMessage.Accepted, "the closed payload"));
when(context.GetPaxosInstance(instanceId)).thenReturn(paxosInstance); // required for
// But in the meantime it was reused and has now (of course) timed out
string theTimedoutPayload = "the timed out payload";
Message message = Message.@internal(ProposerMessage.Phase1Timeout, theTimedoutPayload);
message.setHeader(Org.Neo4j.cluster.protocol.atomicbroadcast.multipaxos.InstanceId.INSTANCE, instanceId.ToString());
// Handle it
MessageHolder mockHolder = mock(typeof(MessageHolder));
ProposerState.Proposer.handle(context, message, mockHolder);
// Verify it was resent as a propose with the same value
//JAVA TO C# CONVERTER WARNING: Java wildcard generics have no direct equivalent in .NET:
//ORIGINAL LINE: verify(mockHolder, times(1)).offer(org.mockito.ArgumentMatchers.argThat<org.neo4j.cluster.com.message.Message<? extends org.neo4j.cluster.com.message.MessageType>>(new org.neo4j.cluster.protocol.MessageArgumentMatcher().onMessageType(ProposerMessage.propose).withPayload(theTimedoutPayload)));
verify(mockHolder, times(1)).offer(ArgumentMatchers.argThat <Message <MessageType> >((new MessageArgumentMatcher()).onMessageType(ProposerMessage.Propose).withPayload(theTimedoutPayload)));
verify(context, times(1)).unbookInstance(instanceId);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldNotCloseTheGapIfItsTheCoordinatorAndTheGapIsSmallerThanTheThreshold() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldNotCloseTheGapIfItsTheCoordinatorAndTheGapIsSmallerThanTheThreshold()
{
// Given
// A coordinator that knows that the last Paxos instance delivered is 3
long lastDelivered = 3L;
LearnerState learner = LearnerState.Learner;
Org.Neo4j.cluster.InstanceId memberId = new Org.Neo4j.cluster.InstanceId(42);
LearnerContext context = mock(typeof(LearnerContext));
when(context.IsMe(any())).thenReturn(true);
when(context.Coordinator).thenReturn(memberId); // so it's the coordinator
when(context.LastDeliveredInstanceId).thenReturn(lastDelivered);
// and has this list of pending instances (up to id 14)
IList <PaxosInstance> pendingInstances = new LinkedList <PaxosInstance>();
for (int i = 1; i < 12; i++) // start at 1 because instance 3 is already delivered
{
InstanceId instanceId = new InstanceId(lastDelivered + i);
PaxosInstance value = new PaxosInstance(mock(typeof(PaxosInstanceStore)), instanceId);
value.Closed("", "");
when(context.GetPaxosInstance(instanceId)).thenReturn(value);
pendingInstances.Add(value);
}
when(context.GetLog(any())).thenReturn(mock(typeof(Log)));
Message <LearnerMessage> incomingInstance = Message.to(LearnerMessage.Learn, URI.create("c:/1"), new LearnerMessage.LearnState(new object())).setHeader(Message.HEADER_FROM, "c:/2").setHeader(Message.HEADER_CONVERSATION_ID, "conversation-id").setHeader(InstanceId.INSTANCE, "" + (lastDelivered + LearnerContext_Fields.LEARN_GAP_THRESHOLD));
// When
// it receives a message with Paxos instance id at the threshold
learner.handle(context, incomingInstance, mock(typeof(MessageHolder)));
// Then
// it waits and doesn't deliver anything
foreach (PaxosInstance pendingInstance in pendingInstances)
{
assertFalse(pendingInstance.IsState(PaxosInstance.State.Delivered));
}
verify(context, times(0)).LastDeliveredInstanceId = anyLong();
}
