def test_not_matching():
"""Check if not_matching returns those element that are not described by characteristic."""
box = MatchBox('argument')
element1 = 'element'
element2 = 'element2'
totally_other = 'other'
box.index['other'].add(totally_other)
box.exclude_unknown.add(element1)
box.index['test'].add(element2)
assert box.not_matching('test') == {element1, element2}, "both elements should be returned."
def test_not_matching():
"""Check if not_matching returns those element that are not described by characteristic."""
box = MatchBox("argument")
element1 = "element"
element2 = "element2"
totally_other = "other"
box.index["other"].add(totally_other)
box.exclude_unknown.add(element1)
box.index["test"].add(element2)
assert box.not_matching("test") == {element1, element2}, "both elements should be returned."
