//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldFailAndAliveBothNotifyHeartbeatListenerInDelayedDirectExecutor()
public virtual void ShouldFailAndAliveBothNotifyHeartbeatListenerInDelayedDirectExecutor()
{
// Given
InstanceId me = new InstanceId(1);
InstanceId failedMachine = new InstanceId(2);
InstanceId goodMachine = new InstanceId(3);
Timeouts timeouts = mock(typeof(Timeouts));
CommonContextState commonState = mock(typeof(CommonContextState));
ClusterConfiguration configuration = mock(typeof(ClusterConfiguration));
when(commonState.Configuration()).thenReturn(configuration);
when(configuration.Members).thenReturn(members(3));
when(configuration.MemberIds).thenReturn(ids(3));
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.List<Runnable> runnables = new java.util.ArrayList<>();
IList <ThreadStart> runnables = new List <ThreadStart>();
HeartbeatContext context = new HeartbeatContextImpl(me, commonState, NullLogProvider.Instance, timeouts, new DelayedDirectExecutorAnonymousInnerClass(this, NullLogProvider.Instance, runnables));
context.AddHeartbeatListener(mock(typeof(HeartbeatListener)));
context.Suspicions(goodMachine, new HashSet <InstanceId>(singletonList(failedMachine)));
context.Suspect(failedMachine); // fail
context.Alive(failedMachine); // alive
// Then
assertEquals(2, runnables.Count); // fail + alive
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void majorityOfNonSuspectedInstancesShouldBeEnoughToMarkAnInstanceAsFailed()
public virtual void MajorityOfNonSuspectedInstancesShouldBeEnoughToMarkAnInstanceAsFailed()
{
// Given
InstanceId me = new InstanceId(1);
InstanceId member2 = new InstanceId(2);
InstanceId member3 = new InstanceId(3);
InstanceId member4 = new InstanceId(4);
InstanceId member5 = new InstanceId(5);
Timeouts timeouts = mock(typeof(Timeouts));
CommonContextState commonState = mock(typeof(CommonContextState));
ClusterConfiguration configuration = mock(typeof(ClusterConfiguration));
when(commonState.Configuration()).thenReturn(configuration);
when(configuration.Members).thenReturn(members(5));
when(configuration.MemberIds).thenReturn(ids(5));
DelayedDirectExecutor executor = new DelayedDirectExecutor(NullLogProvider.Instance);
HeartbeatContext context = new HeartbeatContextImpl(me, commonState, NullLogProvider.Instance, timeouts, executor);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.List<org.neo4j.cluster.InstanceId> failed = new java.util.ArrayList<>(4);
IList <InstanceId> failed = new List <InstanceId>(4);
HeartbeatListener listener = new HeartbeatListenerAnonymousInnerClass2(this, failed);
context.AddHeartbeatListener(listener);
// when
// just two suspicions come, no extra failing action should be taken since this is not majority
context.Suspect(member2);
context.Suspect(member3);
executor.Drain();
// then
assertEquals(0, failed.Count);
// when
// the another instance suspects them, therefore have a majority of non suspected, then 2 and 3 must fail
ISet <InstanceId> suspicionsFrom5 = new HashSet <InstanceId>();
suspicionsFrom5.Add(member2);
suspicionsFrom5.Add(member3);
context.Suspicions(member5, suspicionsFrom5);
executor.Drain();
// then
assertEquals(2, failed.Count);
assertTrue(failed.Contains(member2));
assertTrue(failed.Contains(member3));
// when
// an instance sends a heartbeat, it should be set as alive
context.Alive(member2);
executor.Drain();
// then
assertEquals(1, failed.Count);
assertTrue(failed.Contains(member3));
}
/*
* This test ensures that an instance that cleanly leaves the cluster but is not the elector has no effect on
* elector id and last version
*/
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void nonElectorLeavingTheClusterMustNotAffectElectorInformation()
public virtual void NonElectorLeavingTheClusterMustNotAffectElectorInformation()
{
// Given
InstanceId me = new InstanceId(1);
InstanceId elector = new InstanceId(2);
InstanceId other = new InstanceId(3);
ClusterConfiguration clusterConfiguration = mock(typeof(ClusterConfiguration));
when(clusterConfiguration.GetUriForId(other)).thenReturn(URI.create("cluster://instance2"));
CommonContextState commonContextState = mock(typeof(CommonContextState));
when(commonContextState.Configuration()).thenReturn(clusterConfiguration);
ClusterContext context = new ClusterContextImpl(me, commonContextState, NullLogProvider.Instance, mock(typeof(Timeouts)), mock(typeof(Executor)), mock(typeof(ObjectOutputStreamFactory)), mock(typeof(ObjectInputStreamFactory)), mock(typeof(LearnerContext)), mock(typeof(HeartbeatContext)), mock(typeof(Config)));
// This means instance 2 was the elector at version 8
context.LastElector = elector;
context.LastElectorVersion = 8;
// When
context.Left(other);
// Then
assertEquals(context.LastElector, elector);
assertEquals(context.LastElectorVersion, 8);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldFailAllInstancesIfAllOtherInstancesAreSuspected()
public virtual void ShouldFailAllInstancesIfAllOtherInstancesAreSuspected()
{
// Given
InstanceId me = new InstanceId(1);
InstanceId member2 = new InstanceId(2);
InstanceId member3 = new InstanceId(3);
Timeouts timeouts = mock(typeof(Timeouts));
CommonContextState commonState = mock(typeof(CommonContextState));
ClusterConfiguration configuration = mock(typeof(ClusterConfiguration));
when(commonState.Configuration()).thenReturn(configuration);
when(configuration.Members).thenReturn(members(3));
when(configuration.MemberIds).thenReturn(ids(3));
DelayedDirectExecutor executor = new DelayedDirectExecutor(NullLogProvider.Instance);
HeartbeatContext context = new HeartbeatContextImpl(me, commonState, NullLogProvider.Instance, timeouts, executor);
IList <InstanceId> failed = new List <InstanceId>(2);
HeartbeatListener listener = new HeartbeatListenerAnonymousInnerClass(this, failed);
context.AddHeartbeatListener(listener);
// when
// just one suspicion comes, no extra failing action should be taken
context.Suspect(member2);
executor.Drain();
// then
assertEquals(0, failed.Count);
// when
// the other instance is suspected, all instances must be marked as failed
context.Suspect(member3);
executor.Drain();
// then
assertEquals(2, failed.Count);
assertTrue(failed.Contains(member2));
assertTrue(failed.Contains(member3));
// when
// one of them comes alive again, only that instance should be marked as alive
context.Alive(member2);
executor.Drain();
// then
assertEquals(1, failed.Count);
assertTrue(failed.Contains(member3));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldHasQuorumWhenOneMachineAliveInAClusterWithOneMachine()
public virtual void ShouldHasQuorumWhenOneMachineAliveInAClusterWithOneMachine()
{
//Given
HeartbeatContext heartbeatContext = mock(typeof(HeartbeatContext));
CommonContextState commonState = mock(typeof(CommonContextState));
ClusterConfiguration configuration = mock(typeof(ClusterConfiguration));
when(heartbeatContext.Alive).thenReturn(ids(1));
when(commonState.Configuration()).thenReturn(configuration);
when(configuration.Members).thenReturn(members(1));
AtomicBroadcastContextImpl context = new AtomicBroadcastContextImpl(null, commonState, null, null, null, heartbeatContext); // we do not care about other args
//When
bool hasQuorum = context.HasQuorum();
//Then
assertTrue(hasQuorum);
}