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use strict;
use warnings;
no warnings 'redefine';
use Test::More;
use lib qw(. t);
require "models.pl";
use RDF::Query;
################################################################################
# Log::Log4perl::init( \q[
# log4perl.category.rdf.query.algebra.union = TRACE, Screen
#
# log4perl.appender.Screen = Log::Log4perl::Appender::Screen
# log4perl.appender.Screen.stderr = 0
# log4perl.appender.Screen.layout = Log::Log4perl::Layout::SimpleLayout
# ] );
################################################################################
my @files = map { "data/$_" } qw(about.xrdf foaf.xrdf);
my @models = test_models( @files );
my $tests = (scalar(@models) * 40);
plan tests => $tests;
foreach my $model (@models) {
print "\n#################################\n";
print "### Using model: $model\n\n";
{
my $query = new RDF::Query ( <<"END", undef, undef, 'sparql' );
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
SELECT ?thing ?name
WHERE {
{ ?thing a foaf:Person; foaf:name ?name }
UNION
{ ?thing a geo:Point; foaf:name ?name }
}
END
my $stream = $query->execute( $model );
isa_ok( $stream, 'RDF::Trine::Iterator' );
my $count = 0;
while (my $row = $stream->next) {
$count++;
my ($thing, $name) = @{ $row }{qw(thing name)};
like( $thing->as_string, qr/^[<(]/, 'union person|point' );
ok( $thing->isa('RDF::Trine::Node'), 'node: ' . $thing->as_string );
ok( $name->isa('RDF::Trine::Node::Literal'), 'name: ' . $name->as_string );
}
is( $count, 6, 'expected result count' );
}
{
my $query = new RDF::Query ( <<"END", undef, undef, 'sparql' );
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
SELECT DISTINCT ?thing ?name
WHERE {
{ ?thing a foaf:Person; foaf:name ?name }
UNION
{ ?thing a geo:Point; foaf:name ?name }
}
END
my $stream = $query->execute( $model );
isa_ok( $stream, 'RDF::Trine::Iterator' );
my $count = 0;
while (my $row = $stream->next) {
$count++;
my ($thing, $name) = @{ $row }{qw(thing name)};
like( $thing->as_string, qr/^[<(]/, 'union person|point' );
ok( $thing->isa('RDF::Trine::Node'), 'node: ' . $thing->as_string );
ok( $name->isa('RDF::Trine::Node::Literal'), 'name: ' . $name->as_string );
}
is( $count, 6, 'expected distinct result count' );
}
}
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