where.add((Constraint("cn", "cn", None), 'in', ["foo", "bar"]), AND)
self.assertEquals(where.as_sql(), "(|(cn=foo)(cn=bar))")
where.add((Constraint("cn", "cn", None), 'in', ["foo", "bar"]), AND)
self.assertEquals(where.as_sql(), "(|(cn=foo)(cn=bar))")