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#!/usr/bin/env perl
use strict;
use warnings;
no warnings 'redefine';
use Test::More;
use lib qw(. t);
require "models.pl";
my @files = map { "data/$_" } qw(about.xrdf foaf.xrdf);
my @models = test_models( @files );
my $tests = 1 + (scalar(@models) * 26);
plan tests => $tests;
use_ok( 'RDF::Query' );
foreach my $model (@models) {
print "\n#################################\n";
print "### Using model: $model\n\n";
{
my %seen;
{
print "# foaf:Person ORDER BY name with LIMIT\n";
my $query = new RDF::Query ( <<"END", undef, undef, 'sparql' );
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT DISTINCT ?p ?name
WHERE {
?p a foaf:Person; foaf:name ?name .
FILTER(lang(?name) = "")
}
ORDER BY ?name
LIMIT 2
END
my $stream = $query->execute( $model );
isa_ok( $stream, 'RDF::Trine::Iterator' );
my ($count, $last);
while (my $row = $stream->next) {
my ($p, $node) = @{ $row }{qw(p name)};
my $name = $node->literal_value;
$seen{ $name }++;
if (defined($last)) {
cmp_ok( $name, 'ge', $last, "In order: $name (" . $p->as_string . ")" );
} else {
ok( $name, "First: $name (" . $p->as_string . ")" );
}
$last = $name;
} continue { ++$count };
is( $count, 2, 'good LIMIT' );
}
{
print "# foaf:Person ORDER BY name with LIMIT and OFFSET\n";
my $query = new RDF::Query ( <<"END", undef, undef, 'sparql' );
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT DISTINCT ?p ?name
WHERE {
?p a foaf:Person; foaf:name ?name .
FILTER(lang(?name) = "")
}
ORDER BY ?name
LIMIT 2
OFFSET 2
END
my $stream = $query->execute( $model );
isa_ok( $stream, 'RDF::Trine::Iterator' );
my ($count, $last);
while (my $row = $stream->next) {
my ($p, $node) = @{ $row }{qw(p name)};
my $name = $node->literal_value;
is( exists($seen{ $name }), '', "not seen before with offset: $name" );
if (defined($last)) {
cmp_ok( $name, 'ge', $last, "In order: $name (" . $p->as_string . ")" );
} else {
ok( $name, "First: $name (" . $p->as_string . ")" );
}
$last = $name;
} continue { ++$count };
is( $count, 1, 'good LIMIT' );
}
}
{
print "# foaf:Person with LIMIT\n";
my $query = new RDF::Query ( <<"END", undef, undef, 'sparql' );
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?p ?name
WHERE {
?p a foaf:Person; foaf:name ?name
}
LIMIT 2
END
my $stream = $query->execute( $model );
isa_ok( $stream, 'RDF::Trine::Iterator' );
my ($count);
while (my $row = $stream->next) {
my ($p, $node) = @{ $row }{qw(p name)};
my $name = $node->literal_value;
ok( $name, "First: $name (" . $p->as_string . ")" );
} continue { ++$count };
is( $count, 2, 'good LIMIT' );
}
{
print "# foaf:Person with ORDER BY and OFFSET\n";
my $query = new RDF::Query ( <<"END", undef, undef, 'sparql' );
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT DISTINCT ?p ?name
WHERE {
?p a foaf:Person; foaf:nick ?nick; foaf:name ?name
}
ORDER BY ?name
OFFSET 1
END
my $stream = $query->execute( $model );
isa_ok( $stream, 'RDF::Trine::Iterator' );
my ($count);
while (my $row = $stream->next) {
my ($p, $node) = @{ $row }{qw(p name)};
my $name = $node->literal_value;
ok( $name, "Got person with nick: $name (" . $p->as_string . ")" );
} continue { ++$count };
is( $count, 1, "Good DISTINCT with OFFSET" );
}
{
print "# foaf:Image with OFFSET [2]\n";
my $query = new RDF::Query ( <<"END", undef, undef, 'sparql' );
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX exif: <http://www.kanzaki.com/ns/exif#>
PREFIX dc: <http://purl.org/dc/elements/1.1/>
SELECT DISTINCT ?name ?camera
WHERE {
?img a foaf:Image .
?img dc:creator ?name .
?img exif:model ?camera
}
OFFSET 1
END
my $stream = $query->execute( $model );
isa_ok( $stream, 'RDF::Trine::Iterator' );
my ($count);
while (my $row = $stream->next) {
my ($n, $c) = @{ $row }{qw(name camera)};
my $name = $n->literal_value;
ok( $name, "Got image creator: $name" );
} continue { ++$count };
is( $count, 1, "Good DISTINCT with LIMIT" );
}
{
print "# foaf:Image with ORDER BY ASC(expression) [1]\n";
my $query = new RDF::Query ( <<"END", undef, undef, 'sparql' );
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
PREFIX exif: <http://www.kanzaki.com/ns/exif#>
PREFIX dc: <http://purl.org/dc/elements/1.1/>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
SELECT DISTINCT ?img ?long
WHERE {
?img a foaf:Image .
?img dcterms:spatial ?point .
?point geo:long ?long .
}
ORDER BY ASC(xsd:float(xsd:decimal(?long) * -1))
END
my $stream = $query->execute( $model );
isa_ok( $stream, 'RDF::Trine::Iterator' );
my $count = 0;
my $min;
while (my $row = $stream->next) {
my ($i, $l) = @{ $row }{qw(img long)};
my $image = $i->uri_value;
my $long = $l->literal_value;
if (defined($min)) {
cmp_ok( $long, '<=', $min, "decreasing longitude $long on $image" );
if ($long <= $min) {
$min = $long;
}
} else {
is( $image, 'http://kasei.us/pictures/2004/20040909-Ireland/images/DSC_5705.jpg' );
$min = $long;
}
} continue { last if ++$count == 2 };
is( $count, 2, "Good ORDER BY ASC(expression) [1]" );
}
{
print "# foaf:Image with ORDER BY DESC(expression) [2]\n";
my $query = new RDF::Query ( <<"END", undef, undef, 'sparql' );
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
PREFIX exif: <http://www.kanzaki.com/ns/exif#>
PREFIX dc: <http://purl.org/dc/elements/1.1/>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
SELECT DISTINCT ?img ?long
WHERE {
?img a foaf:Image .
?img dcterms:spatial ?point .
?point geo:long ?long .
}
ORDER BY DESC(xsd:float(xsd:decimal(?long) * -1))
END
my $stream = $query->execute( $model );
isa_ok( $stream, 'RDF::Trine::Iterator' );
my $count = 0;
my $max;
while (my $row = $stream->next) {
my ($i, $l) = @{ $row }{qw(img long)};
my $image = $i->uri_value;
my $long = $l->literal_value;
if (defined($max)) {
cmp_ok( $long, '>=', $max, "increasing longitude $long on $image" );
if ($long >= $max) {
$max = $long;
}
} else {
cmp_ok( $long, '==', -71.3924 );
$max = $long;
}
} continue { last if ++$count == 2 };
is( $count, 2, "Good ORDER BY DESC(expression) [2]" );
}
}
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