//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testBasicPropagationFromSlaveToMaster()
public virtual void TestBasicPropagationFromSlaveToMaster()
{
// given
ClusterManager.ManagedCluster cluster = ClusterRule.startCluster();
HighlyAvailableGraphDatabase master = cluster.Master;
HighlyAvailableGraphDatabase slave = cluster.AnySlave;
long nodeId;
// a node with a property
using (Transaction tx = master.BeginTx())
{
Node node = master.CreateNode();
nodeId = node.Id;
node.SetProperty("foo", "bar");
tx.Success();
}
cluster.Sync();
// when
// the slave does a change
using (Transaction tx = slave.BeginTx())
{
slave.GetNodeById(nodeId).setProperty("foo", "bar2");
tx.Success();
}
// then
// the master must pick up the change
using (Transaction tx = master.BeginTx())
{
assertEquals("bar2", master.GetNodeById(nodeId).getProperty("foo"));
tx.Success();
}
}
/// <summary>
/// The problem would manifest even if the transaction was performed on the Master, it would then occur when the
/// Slave pulls updates and tries to apply the transaction. The reason for the test to run transactions against the
/// Slave is because it makes guarantees for when the master has to apply the transaction.
/// </summary>
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldDeleteRecords()
public virtual void ShouldDeleteRecords()
{
// given
ManagedCluster cluster = ClusterRule.startCluster();
HighlyAvailableGraphDatabase master = cluster.Master;
HighlyAvailableGraphDatabase slave = cluster.AnySlave;
Relationship rel;
using (Transaction tx = slave.BeginTx())
{
rel = slave.CreateNode().createRelationshipTo(slave.CreateNode(), withName("FOO"));
tx.Success();
}
using (Transaction transaction = master.BeginTx())
{
assertNotNull(master.GetRelationshipById(rel.Id));
}
// when
using (Transaction tx = slave.BeginTx())
{
rel.Delete();
tx.Success();
}
// then - there should have been no exceptions
slave.Shutdown();
master.Shutdown();
}
/// <summary>
/// Inserts a bunch of new nodes with the label and property key currently set in the fields in this class, where
/// running this method twice will insert nodes with duplicate property values, assuming property key or label has
/// not changed.
/// </summary>
//JAVA TO C# CONVERTER WARNING: 'final' parameters are ignored unless the option to convert to C# 7.2 'in' parameters is selected:
//ORIGINAL LINE: private org.neo4j.test.OtherThreadExecutor.WorkerCommand<Object,int> performInserts(final HighlyAvailableGraphDatabase slave, final boolean constraintCompliant)
private WorkerCommand <object, int> PerformInserts(HighlyAvailableGraphDatabase slave, bool constraintCompliant)
{
return(state =>
{
int i = 0;
try
{
for ( ; i < 100; i++)
{
using (Transaction tx = slave.BeginTx())
{
ConstraintOps.createEntity(slave, _labelOrRelType, _property, ValueGenerator.apply(i), constraintCompliant);
tx.success();
}
}
}
catch (Exception e) when(e is TransactionFailureException || e is TransientTransactionFailureException || e is ComException || e is ConstraintViolationException)
{
// TransactionFailureException and TransientTransactionFailureException
// Swallowed on purpose, we except it to fail sometimes due to either
// - constraint violation on master
// - concurrent schema operation on master
// ConstraintViolationException
// Constraint violation detected on slave while building transaction
// ComException
// Happens sometimes, cause:
// - The lock session requested to start is already in use.
// Please retry your request in a few seconds.
}
return i;
});
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void slaveShouldMoveToPendingAndThenRecoverIfMasterDiesAndThenRecovers() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void SlaveShouldMoveToPendingAndThenRecoverIfMasterDiesAndThenRecovers()
{
HighlyAvailableGraphDatabase master = _cluster.Master;
HighlyAvailableGraphDatabase theSlave = _cluster.AnySlave;
string propertyName = "prop";
string propertyValue = "value1";
long slaveNodeId;
ClusterManager.RepairKit repairKit = _cluster.fail(master);
_cluster.await(memberSeesOtherMemberAsFailed(theSlave, master));
assertEquals(HighAvailabilityMemberState.PENDING, theSlave.InstanceState);
repairKit.Repair();
_cluster.await(allSeesAllAsAvailable());
using (Transaction tx = theSlave.BeginTx())
{
Node node = theSlave.CreateNode();
slaveNodeId = node.Id;
node.SetProperty(propertyName, propertyValue);
tx.Success();
}
using (Transaction tx = master.BeginTx())
{
assertEquals(propertyValue, master.GetNodeById(slaveNodeId).getProperty(propertyName));
tx.Success();
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testBasicPropagationFromMasterToSlave()
public virtual void TestBasicPropagationFromMasterToSlave()
{
// given
ClusterManager.ManagedCluster cluster = ClusterRule.startCluster();
long nodeId = 4;
HighlyAvailableGraphDatabase master = cluster.Master;
using (Transaction tx = master.BeginTx())
{
Node node = master.CreateNode();
node.SetProperty("Hello", "World");
nodeId = node.Id;
tx.Success();
}
cluster.Sync();
// No need to wait, the push factor is 2
HighlyAvailableGraphDatabase slave1 = cluster.AnySlave;
CheckNodeOnSlave(nodeId, slave1);
HighlyAvailableGraphDatabase slave2 = cluster.GetAnySlave(slave1);
CheckNodeOnSlave(nodeId, slave2);
}
private void AddSomeData(HighlyAvailableGraphDatabase instance)
{
using (Transaction tx = instance.BeginTx())
{
Node testNode = instance.CreateNode();
_testNodeId = testNode.Id;
testNode.SetProperty(_testPropKey, _testPropValue);
tx.Success();
}
}
private void CheckNodeOnSlave(long nodeId, HighlyAvailableGraphDatabase slave2)
{
using (Transaction tx = slave2.BeginTx())
{
string value = slave2.GetNodeById(nodeId).getProperty("Hello").ToString();
Logger.Logger.info("Hello=" + value);
assertEquals("World", value);
tx.Success();
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void masterShouldRemainAvailableIfTheSlaveDiesAndRecovers() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void MasterShouldRemainAvailableIfTheSlaveDiesAndRecovers()
{
HighlyAvailableGraphDatabase master = _cluster.Master;
HighlyAvailableGraphDatabase theSlave = _cluster.AnySlave;
string propertyName = "prop";
string propertyValue1 = "value1";
string propertyValue2 = "value2";
long masterNodeId;
long slaveNodeId;
ClusterManager.RepairKit repairKit = _cluster.fail(theSlave);
_cluster.await(memberSeesOtherMemberAsFailed(master, theSlave));
using (Transaction tx = master.BeginTx())
{
Node node = master.CreateNode();
node.SetProperty(propertyName, propertyValue1);
masterNodeId = node.Id;
tx.Success();
}
repairKit.Repair();
_cluster.await(allSeesAllAsAvailable());
using (Transaction tx = theSlave.BeginTx())
{
Node node = theSlave.CreateNode();
node.SetProperty(propertyName, propertyValue2);
assertEquals(propertyValue1, theSlave.GetNodeById(masterNodeId).getProperty(propertyName));
slaveNodeId = node.Id;
tx.Success();
}
using (Transaction tx = master.BeginTx())
{
assertEquals(propertyValue2, master.GetNodeById(slaveNodeId).getProperty(propertyName));
tx.Success();
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testConflictingIdDoesNotSilentlyFail()
public virtual void TestConflictingIdDoesNotSilentlyFail()
{
HighlyAvailableGraphDatabase master = null;
HighlyAvailableGraphDatabase dbWithId21 = null;
HighlyAvailableGraphDatabase dbWithId22 = null;
try
{
int masterClusterPort = PortAuthority.allocatePort();
GraphDatabaseBuilder masterBuilder = (new TestHighlyAvailableGraphDatabaseFactory()).newEmbeddedDatabaseBuilder(Path(1)).setConfig(ClusterSettings.initial_hosts, "127.0.0.1:" + masterClusterPort).setConfig(ClusterSettings.cluster_server, "127.0.0.1:" + masterClusterPort).setConfig(ClusterSettings.server_id, "" + 1).setConfig(HaSettings.HaServer, ":" + PortAuthority.allocatePort()).setConfig(HaSettings.TxPushFactor, "0").setConfig(OnlineBackupSettings.online_backup_enabled, false.ToString());
master = ( HighlyAvailableGraphDatabase )masterBuilder.NewGraphDatabase();
GraphDatabaseBuilder db21Builder = (new TestHighlyAvailableGraphDatabaseFactory()).newEmbeddedDatabaseBuilder(Path(2)).setConfig(ClusterSettings.initial_hosts, "127.0.0.1:" + masterClusterPort).setConfig(ClusterSettings.cluster_server, "127.0.0.1:" + PortAuthority.allocatePort()).setConfig(ClusterSettings.server_id, "" + 2).setConfig(HaSettings.HaServer, ":" + PortAuthority.allocatePort()).setConfig(HaSettings.TxPushFactor, "0").setConfig(OnlineBackupSettings.online_backup_enabled, false.ToString());
dbWithId21 = ( HighlyAvailableGraphDatabase )db21Builder.NewGraphDatabase();
GraphDatabaseBuilder db22Builder = (new TestHighlyAvailableGraphDatabaseFactory()).newEmbeddedDatabaseBuilder(Path(3)).setConfig(ClusterSettings.initial_hosts, "127.0.0.1:" + masterClusterPort).setConfig(ClusterSettings.cluster_server, "127.0.0.1:" + PortAuthority.allocatePort()).setConfig(ClusterSettings.server_id, "" + 2).setConfig(HaSettings.HaServer, ":" + PortAuthority.allocatePort()).setConfig(HaSettings.TxPushFactor, "0").setConfig(OnlineBackupSettings.online_backup_enabled, false.ToString());
try
{
dbWithId22 = ( HighlyAvailableGraphDatabase )db22Builder.NewGraphDatabase();
fail("Should not be able to startup when a cluster already has my id");
}
catch (Exception)
{
// awesome
}
assertTrue(master.Master);
assertTrue(!dbWithId21.Master);
using (Transaction transaction = dbWithId21.BeginTx())
{
transaction.Success();
}
}
finally
{
if (dbWithId21 != null)
{
dbWithId21.Shutdown();
}
if (dbWithId22 != null)
{
dbWithId22.Shutdown();
}
if (master != null)
{
master.Shutdown();
}
}
}
//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()
{
CustomGraphDatabaseFactory customGraphDatabaseFactory = new CustomGraphDatabaseFactory( this );
_cluster = ClusterRule.withSharedSetting( GraphDatabaseSettings.snapshot_query, TRUE ).withDbFactory( customGraphDatabaseFactory ).startCluster();
HighlyAvailableGraphDatabase master = _cluster.Master;
for ( int i = 0; i < 3; i++ )
{
using ( Transaction tx = master.BeginTx() )
{
master.CreateNode( _nodeLabel );
tx.Success();
}
}
_cluster.sync();
}
/*
* This method must be called on an instance that has had addSomeData() called on it.
*/
private void EnsureInstanceIsReadOnlyInPendingState(HighlyAvailableGraphDatabase instance)
{
assertEquals(PENDING, instance.InstanceState);
tx(instance, retryACoupleOfTimesOn(TRANSIENT_ERRORS), db => assertEquals(_testPropValue, instance.GetNodeById(_testNodeId).getProperty(_testPropKey)));
try
{
using (Transaction ignored = instance.BeginTx())
{
instance.GetNodeById(_testNodeId).delete();
fail("Should not be able to do write transactions when detached");
}
}
catch (Exception expected) when(expected is TransientDatabaseFailureException || expected is TransactionFailureException)
{
// expected
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void updatePullerTriggerPageTransactionTracking()
public virtual void UpdatePullerTriggerPageTransactionTracking()
{
HighlyAvailableGraphDatabase slave = _cluster.AnySlave;
TransactionIdStore slaveTransactionIdStore = slave.DependencyResolver.resolveDependency( typeof( TransactionIdStore ) );
assertEquals( 5, slaveTransactionIdStore.LastClosedTransactionId );
ByzantineLongSupplier byzantineIdSupplier = _contextSupplier.ByzantineIdSupplier;
byzantineIdSupplier.UseWrongTxId();
try
{
using ( Transaction ignored = slave.BeginTx() )
{
slave.Execute( "match (n) return n" );
}
}
catch ( QueryExecutionException executionException )
{
assertEquals( "Unable to get clean data snapshot for query 'match (n) return n' after 5 attempts.", executionException.Message );
}
byzantineIdSupplier.UseCorrectTxId();
slave.Execute( "match (n) return n" ).close();
}
