def test_set_op(): exp = stix2.ObservationExpression( stix2.IsSubsetComparisonExpression( "network-traffic:dst_ref.value", "2001:0db8:dead:beef:0000:0000:0000:0000/64")) assert str( exp ) == "[network-traffic:dst_ref.value ISSUBSET '2001:0db8:dead:beef:0000:0000:0000:0000/64']"
def visitPropTestIsSubset(self, ctx): children = self.visitChildren(ctx) return stix2.IsSubsetComparisonExpression(children[0], children[2])