//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test(timeout = 10_000) public void shouldWaitForCompletionInHalt() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldWaitForCompletionInHalt()
{
// GIVEN
PageCache pageCache = mock(typeof(PageCache));
Org.Neo4j.Test.Barrier_Control barrier = new Org.Neo4j.Test.Barrier_Control();
doAnswer(invocation =>
{
barrier.Reached();
return(null);
}).when(pageCache).flushAndForce();
PageCacheFlusher flusher = new PageCacheFlusher(pageCache);
flusher.Start();
// WHEN
barrier.Await();
Future <object> halt = T2.execute(state =>
{
flusher.Halt();
return(null);
});
T2.get().waitUntilWaiting(details => details.isAt(typeof(PageCacheFlusher), "halt"));
barrier.Release();
// THEN halt call exits normally after (confirmed) ongoing flushAndForce call completed.
halt.get();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldHaveTaskQueueSizeEqualToMaxNumberOfProcessors() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldHaveTaskQueueSizeEqualToMaxNumberOfProcessors()
{
// GIVEN
StageControl control = mock(typeof(StageControl));
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.concurrent.CountDownLatch latch = new java.util.concurrent.CountDownLatch(1);
System.Threading.CountdownEvent latch = new System.Threading.CountdownEvent(1);
const int processors = 2;
int maxProcessors = 5;
Configuration configuration = new ConfigurationAnonymousInnerClass(this, maxProcessors);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final ProcessorStep<Void> step = new BlockingProcessorStep(control, configuration, processors, latch);
ProcessorStep <Void> step = new BlockingProcessorStep(control, configuration, processors, latch);
step.Start(ORDER_SEND_DOWNSTREAM);
step.Processors(1); // now at 2
// adding up to max processors should be fine
for (int i = 0; i < processors + maxProcessors; i++)
{
step.Receive(i, null);
}
// WHEN
Future <Void> receiveFuture = T2.execute(Receive(processors, step));
T2.get().waitUntilThreadState(Thread.State.TIMED_WAITING);
latch.Signal();
// THEN
receiveFuture.get();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void sendingButNotReceivingClientShouldBeKilledWhenWriteThrottleMaxDurationIsReached() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void SendingButNotReceivingClientShouldBeKilledWhenWriteThrottleMaxDurationIsReached()
{
int numberOfRunDiscardPairs = 10_000;
string largeString = StringUtils.repeat(" ", 8 * 1024);
_client.connect(_address).send(_util.acceptedVersions(1, 0, 0, 0)).send(_util.chunk(new InitMessage("TestClient/1.1", emptyMap())));
assertThat(_client, eventuallyReceives(new sbyte[] { 0, 0, 0, 1 }));
assertThat(_client, _util.eventuallyReceives(msgSuccess()));
Future sender = OtherThread.execute(state =>
{
for (int i = 0; i < numberOfRunDiscardPairs; i++)
{
_client.send(_util.chunk(new RunMessage("RETURN $data as data", ValueUtils.asMapValue(singletonMap("data", largeString))), PullAllMessage.INSTANCE));
}
return(null);
});
try
{
OtherThread.get().awaitFuture(sender);
fail("should throw ExecutionException instead");
}
catch (ExecutionException e)
{
assertThat(Exceptions.rootCause(e), instanceOf(typeof(SocketException)));
}
_logProvider.assertAtLeastOnce(inLog(Matchers.containsString(typeof(BoltConnection).Assembly.GetName().Name)).error(startsWith("Unexpected error detected in bolt session"), hasProperty("cause", matchesExceptionMessage(containsString("will be closed because the client did not consume outgoing buffers for ")))));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void givenDatabaseAndStartedTxWhenShutdownThenWaitForTxToFinish() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void GivenDatabaseAndStartedTxWhenShutdownThenWaitForTxToFinish()
{
// Given
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final GraphDatabaseService db = getTemporaryDatabase();
GraphDatabaseService db = TemporaryDatabase;
// When
Org.Neo4j.Test.Barrier_Control barrier = new Org.Neo4j.Test.Barrier_Control();
Future <object> txFuture = _t2.execute(state =>
{
using (Transaction tx = Db.beginTx())
{
barrier.Reached();
Db.createNode();
tx.Success();
}
return(null);
});
// i.e. wait for transaction to start
barrier.Await();
// now there's a transaction open, blocked on continueTxSignal
Future <object> shutdownFuture = _t3.execute(state =>
{
Db.shutdown();
return(null);
});
_t3.get().waitUntilWaiting(location => location.isAt(typeof(DatabaseAvailability), "stop"));
barrier.Release();
try
{
txFuture.get();
}
catch (ExecutionException)
{
// expected
}
shutdownFuture.get();
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void assertBlock(Runnable runLock, Runnable runUnlock) throws Exception
private void AssertBlock(ThreadStart runLock, ThreadStart runUnlock)
{
Future <object> future = Executor.execute(state =>
{
runLock.run();
return(null);
});
Executor.get().waitUntilWaiting(details => details.isAt(typeof(GBPTreeLock), "doLock"));
runUnlock.run();
future.get();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldLetDetectedDeadlocksDuringCommitBeThrownInTheirOriginalForm() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldLetDetectedDeadlocksDuringCommitBeThrownInTheirOriginalForm()
{
// GIVEN a database with a couple of entities:
// (n1) --> (r1) --> (r2) --> (r3)
// (n2)
GraphDatabaseService db = GlobalDb;
Node n1 = CreateNode(db);
Node n2 = CreateNode(db);
Relationship r3 = CreateRelationship(n1);
Relationship r2 = CreateRelationship(n1);
Relationship r1 = CreateRelationship(n1);
// WHEN creating a deadlock scenario where the final deadlock would have happened due to locks
// acquired during linkage of relationship records
//
// (r1) <-- (t1)
// | ^
// v |
// (t2) --> (n2)
Transaction t1Tx = Db.beginTx();
Transaction t2Tx = _t2.execute(BeginTx(db)).get();
// (t1) <-- (n2)
n2.SetProperty("locked", "indeed");
// (t2) <-- (r1)
_t2.execute(SetProperty(r1, "locked", "absolutely")).get();
// (t2) --> (n2)
Future <object> t2n2Wait = _t2.execute(SetProperty(n2, "locked", "In my dreams"));
_t2.get().waitUntilWaiting();
// (t1) --> (r1) although delayed until commit, this is accomplished by deleting an adjacent
// relationship so that its surrounding relationships are locked at commit time.
r2.Delete();
t1Tx.Success();
try
{
t1Tx.Close();
fail("Should throw exception about deadlock");
}
catch (Exception e)
{
assertEquals(typeof(DeadlockDetectedException), e.GetType());
}
finally
{
t2n2Wait.get();
_t2.execute(Close(t2Tx)).get();
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void processNextBatchShouldReturnWhenConnectionIsStopped() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ProcessNextBatchShouldReturnWhenConnectionIsStopped()
{
BoltConnection connection = NewConnection(1);
connection.Enqueue(Jobs.noop());
connection.Enqueue(Jobs.noop());
// force to a message waiting loop
when(_stateMachine.shouldStickOnThread()).thenReturn(true);
Future <bool> future = OtherThread.execute(state => connection.ProcessNextBatch());
connection.Stop();
OtherThread.get().awaitFuture(future);
verify(_stateMachine).close();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldNotDeadlock() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldNotDeadlock()
{
IList <TransactionRepresentation> transactions = CreateConstraintCreatingTransactions();
Monitors monitors = new Monitors();
GraphDatabaseAPI db = ( GraphDatabaseAPI )(new TestGraphDatabaseFactory()).setMonitors(monitors).newImpermanentDatabase();
Org.Neo4j.Test.Barrier_Control controller = new Org.Neo4j.Test.Barrier_Control();
bool success = false;
try
{
IndexingService.Monitor monitor = new MonitorAdapterAnonymousInnerClass(this, controller);
monitors.AddMonitorListener(monitor);
Future <object> applier = ApplyInT2(db, transactions);
controller.Await();
// At this point the index population has completed and the population thread is ready to
// acquire the counts store read lock for initializing some samples there. We're starting the
// check pointer, which will eventually put itself in queue for acquiring the write lock
Future <object> checkPointer = T3.execute(state => Db.DependencyResolver.resolveDependency(typeof(CheckPointer)).forceCheckPoint(new SimpleTriggerInfo("MANUAL")));
try
{
T3.get().waitUntilWaiting(details => details.isAt(typeof(LockWrapper), "writeLock"));
}
catch (System.InvalidOperationException)
{
// Thrown when the fix is in, basically it's thrown if the check pointer didn't get blocked
checkPointer.get(); // to assert that no exception was thrown during in check point thread
}
// Alright the trap is set. Let the population thread move on and seal the deal
controller.Release();
// THEN these should complete
applier.get(10, SECONDS);
checkPointer.get(10, SECONDS);
success = true;
using (Transaction tx = Db.beginTx())
{
ConstraintDefinition constraint = single(Db.schema().getConstraints(LABEL));
assertEquals(KEY, single(constraint.PropertyKeys));
tx.Success();
}
CreateNode(db, "A");
try
{
CreateNode(db, "A");
fail("Should have failed");
}
catch (ConstraintViolationException)
{
// THEN good
}
}
finally
{
if (!success)
{
T2.interrupt();
T3.interrupt();
// so that shutdown won't hang too
}
Db.shutdown();
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldBeAbleToShutdownWhenThereAreTransactionsWaitingForLocks() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldBeAbleToShutdownWhenThereAreTransactionsWaitingForLocks()
{
// GIVEN
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final Node node;
Node node;
using (Transaction tx = _db.beginTx())
{
node = _db.createNode();
tx.Success();
}
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.concurrent.CountDownLatch nodeLockedLatch = new java.util.concurrent.CountDownLatch(1);
System.Threading.CountdownEvent nodeLockedLatch = new System.Threading.CountdownEvent(1);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.concurrent.CountDownLatch shutdownCalled = new java.util.concurrent.CountDownLatch(1);
System.Threading.CountdownEvent shutdownCalled = new System.Threading.CountdownEvent(1);
// WHEN
// one thread locks previously created node and initiates graph db shutdown
Future <Void> shutdownFuture = T2.execute(state =>
{
using (Transaction tx = _db.beginTx())
{
node.AddLabel(label("ABC"));
nodeLockedLatch.Signal();
// Wait for T3 to start waiting for this node write lock
T3.get().waitUntilWaiting(details => details.isAt(typeof(CommunityLockClient), "acquireExclusive"));
_db.shutdown();
shutdownCalled.Signal();
tx.Success();
}
return(null);
});
// other thread tries to lock the same node while it has been locked and graph db is being shutdown
Future <Void> secondTxResult = T3.execute(state =>
{
using (Transaction tx = _db.beginTx())
{
nodeLockedLatch.await();
// T2 awaits this thread to get into a waiting state for this node write lock
node.AddLabel(label("DEF"));
shutdownCalled.await();
tx.Success();
}
return(null);
});
// start waiting when the trap has been triggered
try
{
secondTxResult.get(60, SECONDS);
fail("Exception expected");
}
catch (Exception e)
{
assertThat(rootCause(e), instanceOf(typeof(TransactionTerminatedException)));
}
try
{
shutdownFuture.get();
fail("Should thrown exception since transaction should be canceled.");
}
catch (Exception e)
{
assertThat(rootCause(e), instanceOf(typeof(TransactionTerminatedException)));
}
}
