test(op, joinForm) ;
}
private static void test(Op input, String... joinForm)
{
Op op2 = Transformer.transform(new TransformPattern2Join() , input) ;
String x = StrUtils.strjoinNL(joinForm) ;
Op opExpected = SSE.parseOp("(prefix ((: <http://example/>)) "+x+")") ;
assertEquals(opExpected, op2) ;
}