//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 proposer_rejectAcceptShouldCarryOnPayload() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ProposerRejectAcceptShouldCarryOnPayload()
{
// GIVEN
string instanceId = "1";
PaxosInstance instance = new PaxosInstance(mock(typeof(PaxosInstanceStore)), new Org.Neo4j.cluster.protocol.atomicbroadcast.multipaxos.InstanceId(instanceId));
Serializable payload = "myPayload";
instance.Propose(1, new IList <java.net.URI> {
create("http://some-guy")
});
instance.Ready(payload, true);
instance.Pending();
ProposerContext context = mock(typeof(ProposerContext));
when(context.GetLog(any(typeof(Type)))).thenReturn(NullLog.Instance);
when(context.GetPaxosInstance(any(typeof(Org.Neo4j.cluster.protocol.atomicbroadcast.multipaxos.InstanceId)))).thenReturn(instance);
when(context.MyId).thenReturn(new Org.Neo4j.cluster.InstanceId(parseInt(instanceId)));
TrackingMessageHolder outgoing = new TrackingMessageHolder();
Message <ProposerMessage> message = to(rejectAccept, create("http://something"), new ProposerMessage.RejectAcceptState()).setHeader(INSTANCE, instanceId);
// WHEN
ProposerState.Proposer.handle(context, message, outgoing);
// THEN
verify(context).setTimeout(eq(new Org.Neo4j.cluster.protocol.atomicbroadcast.multipaxos.InstanceId(instanceId)), argThat((new MessageArgumentMatcher <>()).withPayload(payload)));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void something() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void Something()
{
object acceptorValue = new object();
object bookedValue = new object();
Org.Neo4j.cluster.protocol.atomicbroadcast.multipaxos.InstanceId instanceId = new Org.Neo4j.cluster.protocol.atomicbroadcast.multipaxos.InstanceId(42);
PaxosInstanceStore paxosInstanceStore = new PaxosInstanceStore();
ProposerContext context = Mockito.mock(typeof(ProposerContext));
when(context.GetPaxosInstance(instanceId)).thenReturn(paxosInstanceStore.GetPaxosInstance(instanceId));
when(context.GetMinimumQuorumSize(Mockito.anyList())).thenReturn(2);
// The instance is closed
PaxosInstance paxosInstance = new PaxosInstance(paxosInstanceStore, instanceId); // the instance
paxosInstance.Propose(2001, Iterables.asList(Iterables.iterable(create("http://something1"), create("http://something2"), create("http://something3"))));
Message message = Message.to(ProposerMessage.Promise, create("http://something1"), new ProposerMessage.PromiseState(2001, acceptorValue));
message.setHeader(Org.Neo4j.cluster.protocol.atomicbroadcast.multipaxos.InstanceId.INSTANCE, instanceId.ToString());
MessageHolder mockHolder = mock(typeof(MessageHolder));
ProposerState.Proposer.handle(context, message, mockHolder);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldKeepAtMostGivenNumberOfInstances()
public virtual void ShouldKeepAtMostGivenNumberOfInstances()
{
// Given
const int instancesToKeep = 10;
PaxosInstanceStore theStore = new PaxosInstanceStore(instancesToKeep);
// Keeps the first instance inserted, which is the first to be removed
PaxosInstance firstInstance = null;
// When
for (int i = 0; i < instancesToKeep + 1; i++)
{
InstanceId currentInstanceId = new InstanceId(i);
PaxosInstance currentInstance = theStore.GetPaxosInstance(currentInstanceId);
theStore.Delivered(currentInstance.Id);
if (firstInstance == null)
{
firstInstance = currentInstance;
}
}
// Then
// The first instance must have been removed now
PaxosInstance toTest = theStore.GetPaxosInstance(firstInstance.Id);
assertNotSame(firstInstance, toTest);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldReturnSameObjectWhenAskedById()
public virtual void ShouldReturnSameObjectWhenAskedById()
{
// Given
PaxosInstanceStore theStore = new PaxosInstanceStore();
InstanceId currentInstanceId = new InstanceId(1);
// When
PaxosInstance currentInstance = theStore.GetPaxosInstance(currentInstanceId);
// Then
assertSame(currentInstance, theStore.GetPaxosInstance(currentInstanceId));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void leaveShouldClearStoredInstances()
public virtual void LeaveShouldClearStoredInstances()
{
// Given
PaxosInstanceStore theStore = new PaxosInstanceStore();
InstanceId currentInstanceId = new InstanceId(1);
// When
PaxosInstance currentInstance = theStore.GetPaxosInstance(currentInstanceId);
theStore.Leave();
// Then
assertNotSame(currentInstance, theStore.GetPaxosInstance(currentInstanceId));
}
public virtual PaxosInstance Snapshot(PaxosInstanceStore store)
{
PaxosInstance snap = new PaxosInstance(store, Id);
snap.State = State;
snap.BallotConflict = BallotConflict;
snap.AcceptorsConflict = AcceptorsConflict == null ? null : new List <URI>(AcceptorsConflict);
snap.Promises = Promises == null ? null : new List <ProposerMessage.PromiseState>(Promises);
snap.Accepts = Accepts == null ? null : new List <ProposerMessage.AcceptedState>(Accepts);
snap.RejectedAccepts = RejectedAccepts == null ? null : new List <ProposerMessage.RejectAcceptState>(RejectedAccepts);
snap.Value_1 = Value_1;
snap.Phase1Ballot = Phase1Ballot;
snap.Value_2 = Value_2;
snap.ClientValue = ClientValue;
snap.ConversationIdHeader = ConversationIdHeader;
return(snap);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void proposer_proposePhase1TimeoutShouldCarryOnPayload() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ProposerProposePhase1TimeoutShouldCarryOnPayload()
{
// GIVEN
PaxosInstance instance = mock(typeof(PaxosInstance));
ProposerContext context = mock(typeof(ProposerContext));
when(context.GetPaxosInstance(any(typeof(Org.Neo4j.cluster.protocol.atomicbroadcast.multipaxos.InstanceId)))).thenReturn(instance);
when(context.MyId).thenReturn(new Org.Neo4j.cluster.InstanceId(0));
TrackingMessageHolder outgoing = new TrackingMessageHolder();
string instanceId = "1";
Serializable payload = "myPayload";
Message <ProposerMessage> message = to(propose, create("http://something"), payload).setHeader(INSTANCE, instanceId);
// WHEN
ProposerState.Proposer.handle(context, message, outgoing);
// THEN
verify(context).setTimeout(eq(new Org.Neo4j.cluster.protocol.atomicbroadcast.multipaxos.InstanceId(instanceId)), argThat((new MessageArgumentMatcher <>()).withPayload(payload)));
}
//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();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @SuppressWarnings("unchecked") @Test public void proposer_promiseShouldCarryOnPayloadToPhase2Timeout() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ProposerPromiseShouldCarryOnPayloadToPhase2Timeout()
{
// GIVEN
string instanceId = "1";
Serializable payload = "myPayload";
PaxosInstance instance = new PaxosInstance(mock(typeof(PaxosInstanceStore)), new Org.Neo4j.cluster.protocol.atomicbroadcast.multipaxos.InstanceId(instanceId));
instance.Propose(1, new IList <java.net.URI> {
create("http://some-guy")
});
instance.Value_2 = payload; // don't blame me for making it package access.
ProposerContext context = mock(typeof(ProposerContext));
when(context.GetPaxosInstance(any(typeof(Org.Neo4j.cluster.protocol.atomicbroadcast.multipaxos.InstanceId)))).thenReturn(instance);
when(context.GetMinimumQuorumSize(anyList())).thenReturn(1);
TrackingMessageHolder outgoing = new TrackingMessageHolder();
Message <ProposerMessage> message = to(promise, create("http://something"), new ProposerMessage.PromiseState(1, payload)).setHeader(INSTANCE, instanceId);
// WHEN
ProposerState.Proposer.handle(context, message, outgoing);
// THEN
verify(context).setTimeout(eq(new Org.Neo4j.cluster.protocol.atomicbroadcast.multipaxos.InstanceId(instanceId)), argThat((new MessageArgumentMatcher <>()).withPayload(payload)));
}