#!/usr/bin/perl

use strict;
use warnings;
use XML::XPath;
use Test::More;

my $xml='<root att="root_att"><daughter att="3"/><daughter att="4"/><daughter att="5"/></root>';
my %results= ( '/root/daughter/..' => 'root[root_att]',);

plan tests => scalar keys %results;

my $xpath  = XML::XPath->new( xml => $xml);

foreach my $path ( keys %results) {
    my @xpath_result = $xpath->findnodes( $path);
    is( dump_nodes( @xpath_result) => $results{$path}, "path: $path");
}

sub dump_nodes {
    return join '-', map { $_->getName . "[" . $_->getAttribute( 'att') . "]" } @_
}