public virtual void TestReplQueuesActiveAfterStartupSafemode()
{
Configuration conf = new Configuration();
FSEditLog fsEditLog = Org.Mockito.Mockito.Mock <FSEditLog>();
FSImage fsImage = Org.Mockito.Mockito.Mock <FSImage>();
Org.Mockito.Mockito.When(fsImage.GetEditLog()).ThenReturn(fsEditLog);
FSNamesystem fsNamesystem = new FSNamesystem(conf, fsImage);
FSNamesystem fsn = Org.Mockito.Mockito.Spy(fsNamesystem);
//Make shouldPopulaeReplQueues return true
HAContext haContext = Org.Mockito.Mockito.Mock <HAContext>();
HAState haState = Org.Mockito.Mockito.Mock <HAState>();
Org.Mockito.Mockito.When(haContext.GetState()).ThenReturn(haState);
Org.Mockito.Mockito.When(haState.ShouldPopulateReplQueues()).ThenReturn(true);
Whitebox.SetInternalState(fsn, "haContext", haContext);
//Make NameNode.getNameNodeMetrics() not return null
NameNode.InitMetrics(conf, HdfsServerConstants.NamenodeRole.Namenode);
fsn.EnterSafeMode(false);
NUnit.Framework.Assert.IsTrue("FSNamesystem didn't enter safemode", fsn.IsInSafeMode
());
NUnit.Framework.Assert.IsTrue("Replication queues were being populated during very first "
+ "safemode", !fsn.IsPopulatingReplQueues());
fsn.LeaveSafeMode();
NUnit.Framework.Assert.IsTrue("FSNamesystem didn't leave safemode", !fsn.IsInSafeMode
());
NUnit.Framework.Assert.IsTrue("Replication queues weren't being populated even after leaving "
+ "safemode", fsn.IsPopulatingReplQueues());
fsn.EnterSafeMode(false);
NUnit.Framework.Assert.IsTrue("FSNamesystem didn't enter safemode", fsn.IsInSafeMode
());
NUnit.Framework.Assert.IsTrue("Replication queues weren't being populated after entering "
+ "safemode 2nd time", fsn.IsPopulatingReplQueues());
}
/// <exception cref="Org.Apache.Hadoop.Ipc.StandbyException"/>
public override void CheckOperation(HAContext context, NameNode.OperationCategory
op)
{
if (op == NameNode.OperationCategory.Unchecked || (op == NameNode.OperationCategory
.Read && context.AllowStaleReads()))
{
return;
}
string msg = "Operation category " + op + " is not supported in state " + context
.GetState();
throw new StandbyException(msg);
}