public virtual void TestCommitWithInvalidGenStamp()
{
Path file = new Path("/file");
FSDataOutputStream @out = null;
try
{
@out = dfs.Create(file, (short)1);
INodeFile fileNode = dir.GetINode4Write(file.ToString()).AsFile();
ExtendedBlock previous = null;
Block newBlock = DFSTestUtil.AddBlockToFile(cluster.GetDataNodes(), dfs, cluster.
GetNamesystem(), file.ToString(), fileNode, dfs.GetClient().GetClientName(), previous
, 100);
Block newBlockClone = new Block(newBlock);
previous = new ExtendedBlock(cluster.GetNamesystem().GetBlockPoolId(), newBlockClone
);
previous.SetGenerationStamp(123);
try
{
dfs.GetClient().GetNamenode().Complete(file.ToString(), dfs.GetClient().GetClientName
(), previous, fileNode.GetId());
NUnit.Framework.Assert.Fail("should throw exception because invalid genStamp");
}
catch (IOException e)
{
NUnit.Framework.Assert.IsTrue(e.ToString().Contains("Commit block with mismatching GS. NN has "
+ newBlock + ", client submits " + newBlockClone));
}
previous = new ExtendedBlock(cluster.GetNamesystem().GetBlockPoolId(), newBlock);
bool complete = dfs.GetClient().GetNamenode().Complete(file.ToString(), dfs.GetClient
().GetClientName(), previous, fileNode.GetId());
NUnit.Framework.Assert.IsTrue("should complete successfully", complete);
}
finally
{
IOUtils.Cleanup(null, @out);
}
}
