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|
use strict;
use warnings;
no warnings 'redefine';
use Test::More;
use lib qw(. t);
require "models.pl";
use Scalar::Util qw(blessed);
my @files = map { "data/$_" } qw(about.xrdf foaf.xrdf Flower-2.rdf);
my @models = test_models( @files );
my $tests = 0 + (scalar(@models) * 46);
plan tests => $tests;
eval "use Geo::Distance 0.09;";
my $GEO_DISTANCE_LOADED = ($@) ? 0 : 1;
use RDF::Query;
use RDF::Query::Node qw(iri);
################################################################################
# Log::Log4perl::init( \q[
# log4perl.category.rdf.query.plan.filter = TRACE, Screen
# log4perl.appender.Screen = Log::Log4perl::Appender::Screen
# log4perl.appender.Screen.stderr = 0
# log4perl.appender.Screen.layout = Log::Log4perl::Layout::SimpleLayout
# ] );
################################################################################
foreach my $model (@models) {
print "\n#################################\n";
print "### Using model: $model\n\n";
{
print "# FILTER equality disjunction\n";
my $sparql = <<"END";
PREFIX exif: <http://www.kanzaki.com/ns/exif#>
SELECT ?image ?time
WHERE {
?image exif:exposureTime ?time .
FILTER( ?time = "1/80" || ?time = "1/500" ) .
}
END
my $query = RDF::Query->new( $sparql, undef, undef, 'sparql' );
my $count = 0;
my $stream = $query->execute( $model );
while (my $row = $stream->next) {
my $image = $row->{image}->uri_value;
like( $image, qr<(DSC_5705|DSC_8057)>, 'expected image URI' );
$count++;
}
is( $count, 2, "3 object depictions found" );
}
{
print "# FILTER REGEX\n";
my $sparql = <<"END";
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX myrdf: <http://kasei.us/e/ns/rdf#>
PREFIX wn: <http://xmlns.com/wordnet/1.6/>
SELECT ?image ?thing ?type ?name
WHERE {
?image foaf:depicts ?thing .
?thing rdf:type ?type .
?type rdfs:label ?name .
FILTER(REGEX(STR(?type),"Flower")) .
}
END
my $query = RDF::Query->new( $sparql, undef, undef, 'sparql' );
my $count = 0;
my $stream = $query->execute( $model );
while (my $row = $stream->next) {
my ($image, $thing, $ttype, $tname) = @{ $row }{qw(image thing type name)};
my $url = $image->uri_value;
my $node = $thing->as_string;
my $name = $tname->literal_value;
my $type = $ttype->as_string;
like( $type, qr/Flower/, "$node is a Flower" );
$count++;
}
is( $count, 3, "3 object depictions found" );
}
{
print "# FILTER isBLANK(?person)\n";
my $query = new RDF::Query ( <<"END", undef, undef, 'sparql' );
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dc: <http://purl.org/dc/elements/1.1/>
SELECT ?person ?name
WHERE {
?person a foaf:Person .
?person foaf:name ?name .
FILTER isBLANK(?person) .
}
END
my $stream = $query->execute( $model );
isa_ok( $stream, 'RDF::Trine::Iterator' );
my $count = 0;
while (my $row = $stream->next) {
isa_ok( $row, 'HASH' );
my ($p,$n) = @{ $row }{qw(person name)};
isa_ok( $p, 'RDF::Trine::Node', $p->as_string . ' is a node' );
like( $n->literal_value, qr/^Gary|Lauren/, 'name' );
$count++;
}
is( $count, 1, "1 person (bnode) found" );
}
{
print "# FILTER isURI(?person)\n";
my $query = new RDF::Query ( <<"END", undef, undef, 'sparql' );
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX dc: <http://purl.org/dc/elements/1.1/>
SELECT ?person ?name
WHERE {
?person a foaf:Person .
?person foaf:name ?name .
FILTER isURI(?person) .
}
END
my $stream = $query->execute( $model );
isa_ok( $stream, 'RDF::Trine::Iterator' );
my $count = 0;
while (my $row = $stream->next) {
isa_ok( $row, "HASH" );
my ($p,$n) = @{ $row }{qw(person name)};
ok( (blessed($p) and $p->isa('RDF::Trine::Node')), $p->as_string . ' is a node' );
like( $n->literal_value, qr/^(Greg|Liz|Lauren)/, 'name' );
$count++;
}
is( $count, 3, "3 people (uris) found" );
}
SKIP: {
skip( "Need Geo::Distance 0.09 or higher to run these tests.", 4 ) unless ($GEO_DISTANCE_LOADED);
print "# FILTER geo:distance(...)\n";
my $sparql = <<"END";
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
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 mygeo: <http://kasei.us/e/ns/geo#>
SELECT ?image ?point ?name ?lat ?long
WHERE {
?image rdf:type foaf:Image .
?image dcterms:spatial ?point .
?point foaf:name ?name .
?point geo:lat ?lat .
?point geo:long ?long .
FILTER( mygeo:distance(?point, 41.849331, -71.392) < 10 ) .
}
END
my $query = RDF::Query->new( $sparql, undef, undef, 'sparql' );
$query->add_function( 'http://kasei.us/e/ns/geo#distance', sub {
my $query = shift;
my $geo = new Geo::Distance;
my $point = shift;
my $plat = get_first_literal( $model, $point, 'http://www.w3.org/2003/01/geo/wgs84_pos#lat' );
my $plon = get_first_literal( $model, $point, 'http://www.w3.org/2003/01/geo/wgs84_pos#long' );
my ($lat, $lon) = map { Scalar::Util::blessed($_) ? $_->literal_value : $_ } @_;
my $dist = $geo->distance(
'kilometer',
$lon,
$lat,
$plon,
$plat
);
# warn "\t-> ${dist} kilometers from Providence";
return RDF::Query::Node::Literal->new("$dist", undef, 'http://www.w3.org/2001/XMLSchema#float');
} );
my $stream = $query->execute( $model );
my $count = 0;
while (my $row = $stream->next) {
my ($image, $point, $pname, $lat, $lon) = @{ $row }{qw(image point name lat long)};
my $url = $image->uri_value;
my $name = $pname->literal_value;
like( $name, qr/, (RI|MA|CT)$/, "$name ($url)" );
$count++;
}
is( $count, 3, "3 distance-based images found" );
};
{
RDF::Query->add_function( 'http://kasei.us/e/ns/rdf#isa', sub {
my $query = shift;
my $node = shift;
my $ntype = shift;
my $model = $query->model;
my $p_type = RDF::Query::Node::Resource->new( 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type' );
my $p_sub = RDF::Query::Node::Resource->new( 'http://www.w3.org/2000/01/rdf-schema#subClassOf' );
my $stmts = $model->get_statements( $node, $p_type );
my %seen;
my @types;
while (my $s = $stmts->next) {
push( @types, $s->object );
}
while (my $type = shift @types) {
if ($type->equal( $ntype )) {
return RDF::Query::Node::Literal->new('true', undef, 'http://www.w3.org/2001/XMLSchema#boolean');
} else {
next if ($seen{ $type->as_string }++);
my $sub_stmts = $model->get_statements( $type, $p_sub, undef );
while (my $s = $sub_stmts->next) {
push( @types, $s->object );
}
}
}
return RDF::Query::Node::Literal->new('false', undef, 'http://www.w3.org/2001/XMLSchema#boolean');
} );
my $sparql = <<"END";
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX myrdf: <http://kasei.us/e/ns/rdf#>
PREFIX wn: <http://xmlns.com/wordnet/1.6/>
SELECT ?image ?thing ?type ?name
WHERE {
?image foaf:depicts ?thing .
?thing rdf:type ?type .
?type rdfs:label ?name .
FILTER myrdf:isa(?thing, wn:Object) .
}
END
my $query = RDF::Query->new( $sparql, undef, undef, 'sparql' );
my $count = 0;
my $stream = $query->execute( $model );
while (my $row = $stream->next) {
my ($image, $thing, $ttype, $tname) = @{ $row }{qw(image thing type name)};
my $url = $image->uri_value;
my $node = $thing->as_string;
my $name = $tname->literal_value;
my $type = $ttype->as_string;
ok( $name, "$node is a $name (${type} isa wn:Object)" );
$count++;
}
is( $count, 3, "3 object depictions found" );
}
SKIP: {
eval "require Digest::SHA";
if ($@) {
skip "Digest::SHA required for jena:sha1sum tests", 2;
}
my $sparql = <<"END";
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX jena: <java:com.hp.hpl.jena.query.function.library.>
SELECT ?p
WHERE {
?p foaf:mbox ?mbox .
FILTER ( jena:sha1sum( ?mbox ) = 'f80a0f19d2a0897b89f48647b2fb5ca1f0bc1cb8' ) .
}
END
my $query = RDF::Query->new( $sparql, undef, undef, 'sparql' );
my $count = 0;
my $stream = $query->execute( $model );
while (my $row = $stream->next) {
my ($node) = @{ $row }{qw(p)};
my $uri = $node->uri_value;
is( $uri, 'http://kasei.us/about/foaf.xrdf#greg', 'jena:sha1sum' );
$count++;
}
is( $count, 1, "jena:sha1sum: 1 object found" );
}
{
my $sparql = <<"END";
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX xpath: <http://www.w3.org/2005/xpath-functions#>
SELECT ?p
WHERE {
?p foaf:mbox ?mbox .
FILTER ( xpath:matches(?p, "^http://kasei.us", "") ) .
}
END
my $query = RDF::Query->new( $sparql, undef, undef, 'sparql' );
my $count = 0;
my $stream = $query->execute( $model );
while (my $row = $stream->next) {
my ($node) = @{ $row }{qw(p)};
my $uri = $node->uri_value;
is( $uri, 'http://kasei.us/about/foaf.xrdf#greg', 'xpath:matches' );
$count++;
}
is( $count, 1, "xpath:matches: 1 object found" );
}
SKIP: {
local($RDF::Query::error) = 1;
skip( "Need Geo::Distance 0.09 or higher to run these tests.", 4 ) unless ($GEO_DISTANCE_LOADED);
my $sparql = <<"END";
PREFIX ldodds: <java:com.ldodds.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#>
SELECT ?image ?point ?name ?lat ?long
WHERE {
?image a foaf:Image .
?image dcterms:spatial ?point .
?point foaf:name ?name .
?point geo:lat ?lat .
?point geo:long ?long .
FILTER( ldodds:Distance(?lat, ?long, 41.849331, -71.392) < 10 ) .
}
END
my $query = RDF::Query->new( $sparql, undef, undef, 'sparql' );
my $stream = $query->execute( $model );
my $count = 0;
while (my $row = $stream->next()) {
my ($image, $point, $pname, $lat, $lon) = @{ $row }{qw(image point name lat long)};
my $url = $image->uri_value;
my $name = $pname->literal_value;
like( $name, qr/, (RI|MA|CT)$/, "$name ($url)" );
$count++;
}
is( $count, 3, "ldodds:Distance: 3 objects found" );
}
{
my $sparql = <<"END";
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX jfn: <java:com.hp.hpl.jena.query.function.library.>
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 test: <http://kasei.us/e/ns/test#>
PREFIX kasei: <http://kasei.us/about/foaf.xrdf#>
SELECT ?data
WHERE {
kasei:greg test:mycollection ?col .
?list rdf:first ?data .
FILTER( jfn:listMember( ?col, ?data ) ) .
}
END
my $query = RDF::Query->new( $sparql, undef, undef, 'sparql' );
my $stream = $query->execute( $model );
my $count = 0;
my %expect = map {$_=>1} (1..3);
while (my $row = $stream->next) {
my ($data) = @{ $row }{qw(data)};
ok( $data->isa('RDF::Trine::Node::Literal'), "literal list member" );
ok( exists($expect{ $data->literal_value }), , "expected literal value" );
delete $expect{ $data->literal_value };
$count++;
}
is( $count, 3, "jfn:listMember: 3 objects found" );
}
}
######################################################################
sub get_first_literal {
my $model = shift;
my $node = get_first_obj( $model, @_ );
return $node ? $node->literal_value : undef;
}
sub get_first_obj {
my $model = shift;
my $node = shift;
my $uri = shift;
my @uris = UNIVERSAL::isa($uri, 'ARRAY') ? @{ $uri } : ($uri);
my @preds = map { ref($_) ? $_ : iri( $_ ) } @uris;
foreach my $pred (@preds) {
my $stmts = $model->get_statements( $node, $pred );
while (my $s = $stmts->next) {
my $node = $s->object;
return $node if ($node);
}
}
}
|
