public virtual void TestSnapshotMethods()
{
string dir = "/testNamenodeRetryCache/testCreateSnapshot/src";
ResetCall();
nnRpc.Mkdirs(dir, perm, true);
nnRpc.AllowSnapshot(dir);
// Test retry of create snapshot
NewCall();
string name = nnRpc.CreateSnapshot(dir, "snap1");
NUnit.Framework.Assert.AreEqual(name, nnRpc.CreateSnapshot(dir, "snap1"));
NUnit.Framework.Assert.AreEqual(name, nnRpc.CreateSnapshot(dir, "snap1"));
NUnit.Framework.Assert.AreEqual(name, nnRpc.CreateSnapshot(dir, "snap1"));
// Non retried calls should fail
NewCall();
try
{
nnRpc.CreateSnapshot(dir, "snap1");
NUnit.Framework.Assert.Fail("testSnapshotMethods expected exception is not thrown"
);
}
catch (IOException)
{
}
// exptected
// Test retry of rename snapshot
NewCall();
nnRpc.RenameSnapshot(dir, "snap1", "snap2");
nnRpc.RenameSnapshot(dir, "snap1", "snap2");
nnRpc.RenameSnapshot(dir, "snap1", "snap2");
// Non retried calls should fail
NewCall();
try
{
nnRpc.RenameSnapshot(dir, "snap1", "snap2");
NUnit.Framework.Assert.Fail("testSnapshotMethods expected exception is not thrown"
);
}
catch (IOException)
{
}
// expected
// Test retry of delete snapshot
NewCall();
nnRpc.DeleteSnapshot(dir, "snap2");
nnRpc.DeleteSnapshot(dir, "snap2");
nnRpc.DeleteSnapshot(dir, "snap2");
// Non retried calls should fail
NewCall();
try
{
nnRpc.DeleteSnapshot(dir, "snap2");
NUnit.Framework.Assert.Fail("testSnapshotMethods expected exception is not thrown"
);
}
catch (IOException)
{
}
}
