public virtual void TestDoPreUpgradeIOError()
{
FilePath storageDir = new FilePath(TestEditLog.TestDir, "preupgradeioerror");
IList <URI> editUris = Sharpen.Collections.SingletonList(storageDir.ToURI());
NNStorage storage = TestEditLog.SetupEdits(editUris, 5);
Storage.StorageDirectory sd = storage.DirIterator(NNStorage.NameNodeDirType.Edits
).Next();
NUnit.Framework.Assert.IsNotNull(sd);
// Change storage directory so that renaming current to previous.tmp fails.
FileUtil.SetWritable(storageDir, false);
FileJournalManager jm = null;
try
{
jm = new FileJournalManager(conf, sd, storage);
exception.Expect(typeof(IOException));
if (NativeCodeLoader.IsNativeCodeLoaded())
{
exception.ExpectMessage("failure in native rename");
}
jm.DoPreUpgrade();
}
finally
{
IOUtils.Cleanup(Log, jm);
// Restore permissions on storage directory and make sure we can delete.
FileUtil.SetWritable(storageDir, true);
FileUtil.FullyDelete(storageDir);
}
}
