def testDelValue(self):
# Level 1: Deleting a value from NamespaceVAlue
nv = NamespaceValue()
nv.SetValueWithFlags(('alpha',), 'ALPHA')
nv.SetValueWithFlags(('bravo',), 'BRAVO')
assert nv.GetValueWithFlags(('alpha',)) == 'ALPHA'
assert nv.GetValueWithFlags(('bravo',)) == 'BRAVO'
nv.DelValueWithFlags(('alpha',))
assert nv.GetValueWithFlags(('alpha',)) is None
assert nv.GetValueWithFlags(('bravo',)) == 'BRAVO'
# Level 2: Deleting a value from the namespace.
n = Namespace()
n[':alpha'] = 'ALPHA'
n[':bravo'] = 'BRAVO'
n[':charlie'] = 'CHARLIE'
n['var'] = 'value'
n['alpha:var'] = 'value-alpha'
n['bravo:var'] = 'value-bravo'
assert n['var'] == 'value'
assert n['alpha:var'] == 'value-alpha'
assert n['bravo:var'] == 'value-bravo'
assert n['charlie:var'] == 'value'
del n['alpha:var']
assert n['var'] == 'value'
assert n['alpha:var'] == 'value'
assert n['bravo:var'] == 'value-bravo'
assert n['charlie:var'] == 'value'
n.ClearValue('var')
with pytest.raises(NamespaceKeyError):
n.__getitem__('var')
with pytest.raises(NamespaceKeyError):
n.__getitem__('alpha:var')
with pytest.raises(NamespaceKeyError):
n.__getitem__('bravo:var')
with pytest.raises(NamespaceKeyError):
n.__getitem__('bravo:var')
with pytest.raises(NamespaceKeyError):
n.__getitem__('charlie:var')
