//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldBecomeLeaderInMajorityOf5() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldBecomeLeaderInMajorityOf5()
{
// Given
FakeClock fakeClock = Clocks.fakeClock();
OnDemandTimerService timerService = new OnDemandTimerService(fakeClock);
RaftMachine raft = (new RaftMachineBuilder(_myself, 3, RaftTestMemberSetBuilder.INSTANCE)).timerService(timerService).clock(fakeClock).build();
raft.InstallCoreState(new RaftCoreState(new MembershipEntry(0, asSet(_myself, _member1, _member2, _member3, _member4))));
raft.PostRecoveryActions();
timerService.Invoke(ELECTION);
raft.Handle(voteResponse().from(_member1).term(1).grant().build());
assertThat(raft.Leader, @is(false));
// When
raft.Handle(voteResponse().from(_member2).term(1).grant().build());
// Then
assertThat(raft.Leader, @is(true));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldNotFinishIfRoundsNotExhausted()
public virtual void ShouldNotFinishIfRoundsNotExhausted()
{
FakeClock clock = Clocks.fakeClock();
StubLog log = new StubLog(this);
long appendIndex = 10;
log.AppendIndex = appendIndex;
CatchupGoalTracker catchupGoalTracker = new CatchupGoalTracker(log, clock, ROUND_TIMEOUT, CATCHUP_TIMEOUT);
for (int i = 0; i < CatchupGoalTracker.MAX_ROUNDS - 5; i++)
{
appendIndex += 10;
log.AppendIndex = appendIndex;
clock.Forward(ROUND_TIMEOUT + 1, TimeUnit.MILLISECONDS);
catchupGoalTracker.UpdateProgress((new FollowerState()).onSuccessResponse(appendIndex));
}
// then
assertFalse(catchupGoalTracker.GoalAchieved);
assertFalse(catchupGoalTracker.Finished);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldProvideInterruptHandlerForSuspendedTransaction() throws org.neo4j.server.rest.transactional.error.TransactionLifecycleException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldProvideInterruptHandlerForSuspendedTransaction()
{
// Given
AssertableLogProvider logProvider = new AssertableLogProvider();
FakeClock clock = Clocks.fakeClock();
int timeoutLength = 123;
TransactionHandleRegistry registry = new TransactionHandleRegistry(clock, timeoutLength, logProvider);
TransactionHandle handle = mock(typeof(TransactionHandle));
// Suspended Tx in Registry
long id = registry.Begin(handle);
registry.Release(id, handle);
// When
registry.Terminate(id);
// Then
verify(handle, times(1)).terminate();
verifyNoMoreInteractions(handle);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void acquiringANonExistentTransactionShouldThrowErrorInvalidTransactionId() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void AcquiringANonExistentTransactionShouldThrowErrorInvalidTransactionId()
{
// Given
AssertableLogProvider logProvider = new AssertableLogProvider();
TransactionHandleRegistry registry = new TransactionHandleRegistry(Clocks.fakeClock(), 0, logProvider);
long madeUpTransactionId = 1337;
// When
try
{
registry.Acquire(madeUpTransactionId);
fail("Should have thrown exception");
}
catch (InvalidTransactionId)
{
// expected
}
// then
logProvider.AssertNoLoggingOccurred();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void leaderShouldSendHeartBeatsOnHeartbeatTimeout() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void LeaderShouldSendHeartBeatsOnHeartbeatTimeout()
{
// Given
FakeClock fakeClock = Clocks.fakeClock();
OnDemandTimerService timerService = new OnDemandTimerService(fakeClock);
OutboundMessageCollector messages = new OutboundMessageCollector();
RaftMachine raft = (new RaftMachineBuilder(_myself, 3, RaftTestMemberSetBuilder.INSTANCE)).timerService(timerService).outbound(messages).clock(fakeClock).build();
raft.InstallCoreState(new RaftCoreState(new MembershipEntry(0, asSet(_myself, _member1, _member2))));
raft.PostRecoveryActions();
timerService.Invoke(ELECTION);
raft.Handle(voteResponse().from(_member1).term(1).grant().build());
// When
timerService.Invoke(RaftMachine.Timeouts.Heartbeat);
// Then
assertTrue(last(messages.SentTo(_member1)) is RaftMessages_Heartbeat);
assertTrue(last(messages.SentTo(_member2)) is RaftMessages_Heartbeat);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldDelayFreeingOfAggressivelyReusedIdsConsideringTimeAsWell()
public virtual void ShouldDelayFreeingOfAggressivelyReusedIdsConsideringTimeAsWell()
{
// GIVEN
MockedIdGeneratorFactory actual = new MockedIdGeneratorFactory();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.time.FakeClock clock = org.neo4j.time.Clocks.fakeClock();
FakeClock clock = Clocks.fakeClock();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final long safeZone = MINUTES.toMillis(1);
long safeZone = MINUTES.toMillis(1);
ControllableSnapshotSupplier boundaries = new ControllableSnapshotSupplier();
BufferingIdGeneratorFactory bufferingIdGeneratorFactory = new BufferingIdGeneratorFactory(actual, t => clock.Millis() - t.snapshotTime() >= safeZone, new CommunityIdTypeConfigurationProvider());
bufferingIdGeneratorFactory.Initialize(boundaries);
IdGenerator idGenerator = bufferingIdGeneratorFactory.Open(new File("doesnt-matter"), 10, IdType.StringBlock, () => 0L, int.MaxValue);
// WHEN
idGenerator.FreeId(7);
verifyNoMoreInteractions(actual.Get(IdType.StringBlock));
// after some maintenance and transaction still not closed
bufferingIdGeneratorFactory.Maintenance();
verifyNoMoreInteractions(actual.Get(IdType.StringBlock));
// although after transactions have all closed
boundaries.SetMostRecentlyReturnedSnapshotToAllClosed();
bufferingIdGeneratorFactory.Maintenance();
// ... the clock would still say "nope" so no interaction
verifyNoMoreInteractions(actual.Get(IdType.StringBlock));
// then finally after time has passed as well
clock.Forward(70, SECONDS);
bufferingIdGeneratorFactory.Maintenance();
// THEN
verify(actual.Get(IdType.StringBlock)).freeId(7);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldMonitorLeaderNotFound() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldMonitorLeaderNotFound()
{
// Given
FakeClock fakeClock = Clocks.fakeClock();
OnDemandTimerService timerService = new OnDemandTimerService(fakeClock);
RaftMachine raft = (new RaftMachineBuilder(_myself, 3, RaftTestMemberSetBuilder.INSTANCE)).timerService(timerService).build();
raft.InstallCoreState(new RaftCoreState(new MembershipEntry(0, asSet(_myself, _member1, _member2))));
try
{
// When
// There is no leader
raft.Leader;
fail("Should have thrown exception");
}
// Then
catch (NoLeaderFoundException)
{
// expected
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void transactionsShouldBeEvictedWhenUnusedLongerThanTimeout() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void TransactionsShouldBeEvictedWhenUnusedLongerThanTimeout()
{
// Given
FakeClock clock = Clocks.fakeClock();
AssertableLogProvider logProvider = new AssertableLogProvider();
TransactionHandleRegistry registry = new TransactionHandleRegistry(clock, 0, logProvider);
TransactionHandle oldTx = mock(typeof(TransactionHandle));
TransactionHandle newTx = mock(typeof(TransactionHandle));
TransactionHandle handle = mock(typeof(TransactionHandle));
long txId1 = registry.Begin(handle);
long txId2 = registry.Begin(handle);
// And given one transaction was stored one minute ago, and another was stored just now
registry.Release(txId1, oldTx);
clock.Forward(1, TimeUnit.MINUTES);
registry.Release(txId2, newTx);
// When
registry.RollbackSuspendedTransactionsIdleSince(clock.Millis() - 1000);
// Then
assertThat(registry.Acquire(txId2), equalTo(newTx));
// And then the other should have been evicted
try
{
registry.Acquire(txId1);
fail("Should have thrown exception");
}
catch (InvalidTransactionId)
{
// ok
}
logProvider.AssertExactly(inLog(typeof(TransactionHandleRegistry)).info("Transaction with id 1 has been automatically rolled " + "back due to transaction timeout."));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldRequestVotesOnElectionTimeout() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldRequestVotesOnElectionTimeout()
{
// Given
FakeClock fakeClock = Clocks.fakeClock();
OnDemandTimerService timerService = new OnDemandTimerService(fakeClock);
OutboundMessageCollector messages = new OutboundMessageCollector();
RaftMachine raft = (new RaftMachineBuilder(_myself, 3, RaftTestMemberSetBuilder.INSTANCE)).timerService(timerService).electionTimeout(_electionTimeout).clock(fakeClock).outbound(messages).build();
raft.InstallCoreState(new RaftCoreState(new MembershipEntry(0, asSet(_myself, _member1, _member2))));
raft.PostRecoveryActions();
// When
timerService.Invoke(ELECTION);
// Then
assertThat(messages.SentTo(_myself).Count, equalTo(0));
assertThat(messages.SentTo(_member1).Count, equalTo(1));
assertThat(messages.SentTo(_member1)[0], instanceOf(typeof(RaftMessages_Vote_Request)));
assertThat(messages.SentTo(_member2).Count, equalTo(1));
assertThat(messages.SentTo(_member2)[0], instanceOf(typeof(RaftMessages_Vote_Request)));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void newMembersShouldBeIncludedInHeartbeatMessages() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void NewMembersShouldBeIncludedInHeartbeatMessages()
{
// Given
DirectNetworking network = new DirectNetworking();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.causalclustering.identity.MemberId newMember = member(99);
MemberId newMember = member(99);
DirectNetworking.Inbound <RaftMessages_RaftMessage> newMemberInbound = new Org.Neo4j.causalclustering.core.consensus.DirectNetworking.Inbound <RaftMessages_RaftMessage>(network, newMember);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final OutboundMessageCollector messages = new OutboundMessageCollector();
OutboundMessageCollector messages = new OutboundMessageCollector();
newMemberInbound.RegisterHandler((Org.Neo4j.causalclustering.messaging.Inbound_MessageHandler <RaftMessages_RaftMessage>)message => messages.send(newMember, message));
FakeClock fakeClock = Clocks.fakeClock();
OnDemandTimerService timerService = new OnDemandTimerService(fakeClock);
RaftMachine raft = (new RaftMachineBuilder(_myself, 3, RaftTestMemberSetBuilder.INSTANCE)).timerService(timerService).outbound(messages).clock(fakeClock).build();
raft.InstallCoreState(new RaftCoreState(new MembershipEntry(0, asSet(_myself, _member1, _member2))));
raft.PostRecoveryActions();
// We make ourselves the leader
timerService.Invoke(ELECTION);
raft.Handle(voteResponse().from(_member1).term(1).grant().build());
// When
raft.TargetMembershipSet = asSet(_myself, _member1, _member2, newMember);
network.ProcessMessages();
timerService.Invoke(RaftMachine.Timeouts.Heartbeat);
network.ProcessMessages();
// Then
assertEquals(typeof(RaftMessages_AppendEntries_Request), messages.SentTo(newMember)[0].GetType());
}
private void InitializeInstanceFields()
{
_fileNames = new FileNames(_baseDir);
_readerPool = spy(new ReaderPool(0, _logProvider, _fileNames, FsRule.get(), Clocks.fakeClock()));
}
public override RaftLog CreateRaftLog()
{
File directory = new File(RAFT_LOG_DIRECTORY_NAME);
FileSystemAbstraction fileSystem = _fsRule.get();
fileSystem.Mkdir(directory);
LogProvider logProvider = Instance;
CoreLogPruningStrategy pruningStrategy = (new CoreLogPruningStrategyFactory("1 entries", logProvider)).NewInstance();
return(_life.add(new SegmentedRaftLog(fileSystem, directory, 1024, new DummyRaftableContentSerializer(), logProvider, 8, Clocks.fakeClock(), new OnDemandJobScheduler(), pruningStrategy)));
}
public override SegmentedRaftLog CreateRaftLog(FileSystemAbstraction fsa, File dir)
{
long rotateAtSize = ByteUnit.mebiBytes(8);
LogProvider logProvider = Instance;
int readerPoolSize = 8;
CoreLogPruningStrategy pruningStrategy = (new CoreLogPruningStrategyFactory(raft_log_pruning_strategy.DefaultValue, logProvider)).newInstance();
return(new SegmentedRaftLog(fsa, dir, rotateAtSize, new DummyRaftableContentSerializer(), logProvider, readerPoolSize, Clocks.fakeClock(), new OnDemandJobScheduler(), pruningStrategy));
}
private SegmentedRaftLog CreateRaftLog(long rotateAtSize)
{
LogProvider logProvider = Instance;
CoreLogPruningStrategy pruningStrategy = (new CoreLogPruningStrategyFactory(raft_log_pruning_strategy.DefaultValue, logProvider)).newInstance();
return(new SegmentedRaftLog(_fileSystemRule.get(), _testDirectory.directory(), rotateAtSize, new DummyRaftableContentSerializer(), logProvider, 0, Clocks.fakeClock(), new OnDemandJobScheduler(), pruningStrategy));
}
private void InitializeInstanceFields()
{
_fsa = FileSystemRule.get();
_fileNames = new FileNames(_root);
_readerPool = new ReaderPool(0, Instance, _fileNames, _fsa, Clocks.fakeClock());
}
private RecoveryProtocol CreateRecoveryProtocol()
{
FileNames fileNames = new FileNames(_logDirectory);
return(new RecoveryProtocol(FsRule.get(), fileNames, new ReaderPool(8, Instance, fileNames, FsRule.get(), Clocks.fakeClock()), CoreReplicatedContentMarshal.marshaller(), Instance));
}
private SegmentedRaftLog CreateRaftLog(long rotateAtSize)
{
File directory = new File(RAFT_LOG_DIRECTORY_NAME);
_logDirectory = Dir.directory(directory.Name);
LogProvider logProvider = Instance;
CoreLogPruningStrategy pruningStrategy = (new CoreLogPruningStrategyFactory("100 entries", logProvider)).NewInstance();
return(new SegmentedRaftLog(FsRule.get(), _logDirectory, rotateAtSize, CoreReplicatedContentMarshal.marshaller(), logProvider, 8, Clocks.fakeClock(), new OnDemandJobScheduler(), pruningStrategy));
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private org.neo4j.causalclustering.core.consensus.log.RaftLog createRaftLog() throws Exception
private RaftLog CreateRaftLog()
{
File directory = new File(RAFT_LOG_DIRECTORY_NAME);
FileSystemAbstraction fileSystem = new EphemeralFileSystemAbstraction();
fileSystem.Mkdir(directory);
LogProvider logProvider = Instance;
CoreLogPruningStrategy pruningStrategy = (new CoreLogPruningStrategyFactory("1 entries", logProvider)).NewInstance();
SegmentedRaftLog newRaftLog = new SegmentedRaftLog(fileSystem, directory, 1, new DummyRaftableContentSerializer(), logProvider, 8, Clocks.fakeClock(), new OnDemandJobScheduler(), pruningStrategy);
newRaftLog.Start();
return(newRaftLog);
}
