def test_Lock_Unlock_History():
from mglutil.gui.BasicWidgets.Tk.TreeWidget.tree import TreeView
tv = TreeView()
tv.addNode('protein_1')
tv.addNode('residue_11', parent='protein_1')
tv.addNode('AminoAcid', parent='protein_1|residue_11')
tv.addNode('A', parent='protein_1|residue_11|AminoAcid')
tv.addNode('H', parent='protein_1|residue_11|AminoAcid')
tv.addNode('protein_2')
tv.Select("protein_1|residue_11|AminoAcid|A")
tv.AddToHistoryList()
tv.Select("protein_2")
tv.AddToHistoryList()
tv.Select("protein_1|residue_11")
tv.AddToHistoryList()
tv.Select("protein_1|residue_11|AminoAcid|H")
tv.AddToHistoryList()
# lock
tv.LockHistoryItem(2)
tv.LockHistoryItem(3)
# unlock
tv.UnLockHistoryItem(2)
tv.destroy()
