public virtual void TestFSNamespaceClearLeases()
{
Configuration conf = new HdfsConfiguration();
FilePath nameDir = new FilePath(MiniDFSCluster.GetBaseDirectory(), "name");
conf.Set(DFSConfigKeys.DfsNamenodeNameDirKey, nameDir.GetAbsolutePath());
NameNode.InitMetrics(conf, HdfsServerConstants.NamenodeRole.Namenode);
DFSTestUtil.FormatNameNode(conf);
FSNamesystem fsn = FSNamesystem.LoadFromDisk(conf);
LeaseManager leaseMan = fsn.GetLeaseManager();
leaseMan.AddLease("client1", "importantFile");
NUnit.Framework.Assert.AreEqual(1, leaseMan.CountLease());
fsn.Clear();
leaseMan = fsn.GetLeaseManager();
NUnit.Framework.Assert.AreEqual(0, leaseMan.CountLease());
}
public virtual void TestReset()
{
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 fsn = new FSNamesystem(conf, fsImage);
fsn.ImageLoadComplete();
NUnit.Framework.Assert.IsTrue(fsn.IsImageLoaded());
fsn.Clear();
NUnit.Framework.Assert.IsFalse(fsn.IsImageLoaded());
INodeDirectory root = (INodeDirectory)fsn.GetFSDirectory().GetINode("/");
NUnit.Framework.Assert.IsTrue(root.GetChildrenList(Org.Apache.Hadoop.Hdfs.Server.Namenode.Snapshot.Snapshot
.CurrentStateId).IsEmpty());
fsn.ImageLoadComplete();
NUnit.Framework.Assert.IsTrue(fsn.IsImageLoaded());
}
