//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldNotBeAbleToWriteToReadReplica() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldNotBeAbleToWriteToReadReplica()
{
// given
//JAVA TO C# CONVERTER WARNING: Java wildcard generics have no direct equivalent in .NET:
//ORIGINAL LINE: org.neo4j.causalclustering.discovery.Cluster<?> cluster = clusterRule.startCluster();
Cluster <object> cluster = ClusterRule.startCluster();
ReadReplicaGraphDatabase readReplica = cluster.FindAnyReadReplica().database();
// when
try
{
using (Transaction tx = readReplica.BeginTx())
{
Node node = readReplica.CreateNode();
node.SetProperty("foobar", "baz_bat");
node.AddLabel(Label.label("Foo"));
tx.Success();
fail("should have thrown");
}
}
catch (WriteOperationsNotAllowedException)
{
// then all good
}
}
internal ReadReplicaStatus(OutputFormat output, ReadReplicaGraphDatabase db) : base(output)
{
this._output = output;
DependencyResolver dependencyResolver = Db.DependencyResolver;
this._commandIndexTracker = dependencyResolver.ResolveDependency(typeof(CommandIndexTracker));
this._topologyService = dependencyResolver.ResolveDependency(typeof(TopologyService));
this._dbHealth = dependencyResolver.ResolveDependency(typeof(DatabaseHealth));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Before public void setup() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void Setup()
{
OutputFormat output = new OutputFormat(new JsonFormat(), new URI("http://base.local:1234/"), null);
ReadReplicaGraphDatabase db = mock(typeof(ReadReplicaGraphDatabase));
_topologyService = new FakeTopologyService(RandomMembers(3), RandomMembers(2), _myself, RoleInfo.READ_REPLICA);
_dependencyResolver.satisfyDependencies(_topologyService);
when(Db.DependencyResolver).thenReturn(_dependencyResolver);
_databaseHealth = _dependencyResolver.satisfyDependency(new DatabaseHealth(mock(typeof(DatabasePanicEventGenerator)), _logProvider.getLog(typeof(DatabaseHealth))));
_commandIndexTracker = _dependencyResolver.satisfyDependency(new CommandIndexTracker());
_status = CausalClusteringStatusFactory.Build(output, db);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void readReplicaProceduresShouldBeAvailable()
public virtual void ReadReplicaProceduresShouldBeAvailable()
{
// given
string[] readReplicaProcs = new string[] { "dbms.cluster.role", "dbms.procedures", "dbms.listQueries" };
// when
foreach (string procedure in readReplicaProcs)
{
Optional <ReadReplica> firstReadReplica = _cluster.readReplicas().First();
Debug.Assert(firstReadReplica.Present);
ReadReplicaGraphDatabase database = firstReadReplica.get().database();
InternalTransaction tx = database.BeginTransaction(KernelTransaction.Type.@explicit, AUTH_DISABLED);
Result readReplicaResult = database.Execute("CALL " + procedure + "()");
// then
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertTrue("read replica with procedure " + procedure, readReplicaResult.HasNext());
readReplicaResult.Close();
tx.Close();
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test(timeout = 240_000) public void shouldNotBePossibleToStartTransactionsWhenReadReplicaCopiesStore() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldNotBePossibleToStartTransactionsWhenReadReplicaCopiesStore()
{
//JAVA TO C# CONVERTER WARNING: Java wildcard generics have no direct equivalent in .NET:
//ORIGINAL LINE: org.neo4j.causalclustering.discovery.Cluster<?> cluster = clusterRule.startCluster();
Cluster <object> cluster = ClusterRule.startCluster();
ReadReplica readReplica = cluster.FindAnyReadReplica();
readReplica.TxPollingClient().stop();
WriteSomeDataAndForceLogRotations(cluster);
Semaphore storeCopyBlockingSemaphore = AddStoreCopyBlockingMonitor(readReplica);
try
{
readReplica.TxPollingClient().start();
WaitForStoreCopyToStartAndBlock(storeCopyBlockingSemaphore);
ReadReplicaGraphDatabase replicaGraphDatabase = readReplica.Database();
try
{
replicaGraphDatabase.BeginTx();
fail("Exception expected");
}
catch (Exception e)
{
assertThat(e, instanceOf(typeof(TransactionFailureException)));
assertThat(e.Message, containsString("Database is stopped to copy store"));
}
}
finally
{
// release all waiters of the semaphore
storeCopyBlockingSemaphore.release(int.MaxValue);
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void transactionsShouldNotAppearOnTheReadReplicaWhilePollingIsPaused() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void TransactionsShouldNotAppearOnTheReadReplicaWhilePollingIsPaused()
{
// given
//JAVA TO C# CONVERTER WARNING: Java wildcard generics have no direct equivalent in .NET:
//ORIGINAL LINE: org.neo4j.causalclustering.discovery.Cluster<?> cluster = clusterRule.startCluster();
Cluster <object> cluster = ClusterRule.startCluster();
ReadReplicaGraphDatabase readReplicaGraphDatabase = cluster.FindAnyReadReplica().database();
CatchupPollingProcess pollingClient = readReplicaGraphDatabase.DependencyResolver.resolveDependency(typeof(CatchupPollingProcess));
pollingClient.Stop();
cluster.CoreTx((coreGraphDatabase, transaction) =>
{
coreGraphDatabase.createNode();
transaction.success();
});
CoreGraphDatabase leaderDatabase = cluster.AwaitLeader().database();
long transactionVisibleOnLeader = TransactionIdTracker(leaderDatabase).newestEncounteredTxId();
// when the poller is paused, transaction doesn't make it to the read replica
try
{
TransactionIdTracker(readReplicaGraphDatabase).awaitUpToDate(transactionVisibleOnLeader, ofSeconds(15));
fail("should have thrown exception");
}
catch (TransactionFailureException)
{
// expected timeout
}
// when the poller is resumed, it does make it to the read replica
pollingClient.Start();
TransactionIdTracker(readReplicaGraphDatabase).awaitUpToDate(transactionVisibleOnLeader, ofSeconds(15));
}
