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use Test::More qw(no_plan); # tests => 183;
use Test::Exception;
use strict;
use warnings;
no warnings 'redefine';
use Scalar::Util qw(blessed);
use File::Temp qw(tempfile);
use RDF::Trine qw(iri literal variable statement);
use RDF::Trine::Pattern;
use RDF::Trine::Store::Hexastore;
my $store = RDF::Trine::Store::Hexastore->new();
_add_rdf( $store, <<'END');
@prefix eg: <http://example.org/> .
eg:foo
eg:bar 23, 24 ;
eg:baz "quux" .
eg:zzz
eg:bar 23, 999 .
END
{
my $p1 = statement( variable('p'), iri('http://example.org/bar'), variable('value') );
my $pattern = RDF::Trine::Pattern->new( $p1 );
my $iter = $store->get_pattern( $pattern );
isa_ok( $iter, 'RDF::Trine::Iterator::Bindings' );
my $count = 0;
while (my $row = $iter->next) {
isa_ok( $row, 'HASH' );
my $value = $row->{ value };
isa_ok( $value, 'RDF::Trine::Node::Literal' );
like( $value->literal_value, qr/^(23|24|999)$/, 'expected literal numeric value' );
$count++;
}
is( $count, 4, 'expected count of triples matching predicate <bar>' );
}
{
# <zzz> ?p 999 .
# ?s ?p ?value .
my $p1 = statement(
iri('http://example.org/zzz'),
variable('p'),
literal('999', undef, 'http://www.w3.org/2001/XMLSchema#integer')
);
my $p2 = statement(
variable('s'),
variable('p'),
variable('value')
);
my $pattern = RDF::Trine::Pattern->new( $p1, $p2 );
my $iter = $store->get_pattern( $pattern );
isa_ok( $iter, 'RDF::Trine::Iterator::Bindings' );
my $count = 0;
while (my $row = $iter->next) {
isa_ok( $row, 'HASH' );
like( $row->{'s'}->uri_value, qr<http://example.org/(zzz|foo)$>, 'expected subject variable' );
is( $row->{'p'}->uri_value, 'http://example.org/bar', 'expected predicate variable' );
like( $row->{'value'}->literal_value, qr<^(23|24|999)$>, 'expected object variable' );
$count++;
}
is( $count, 4, 'expected count on b1b,213 (requires sorting on 3-free get_statements call)' );
}
{
my $iter = $store->get_statements( variable('s'), iri('http://example.org/bar'), variable('value'), undef, orderby => [ 's' => 'ASC' ] );
isa_ok( $iter, 'RDF::Trine::Iterator::Graph' );
my $count = 0;
my %seen;
my $current;
while (my $t = $iter->next) {
if (defined($current)) {
my $new = $t->subject;
if ($current->as_string ne $new->as_string) {
if ($seen{ $new->as_string }++) {
fail('distinct sorted subject value');
} else {
pass('distinct sorted subject value');
}
}
$current = $new;
} else {
$seen{ $t->subject->as_string }++;
}
$current = $t->subject;
$count++;
}
is( $count, 4, 'expected count on sorted get_statements call' );
}
{
my @sorted;
{
my $iter = $store->get_statements( variable('s'), iri('http://example.org/bar'), variable('o'), undef, orderby => [ 'o' => 'ASC' ] );
isa_ok( $iter, 'RDF::Trine::Iterator::Graph' );
my $count = 0;
my %seen;
my $current;
while (my $t = $iter->next) {
if (defined($current)) {
my $new = $t->object;
if ($current->as_string ne $new->as_string) {
if ($seen{ $new->as_string }++) {
fail('distinct sorted object value');
} else {
pass('distinct sorted object value');
}
push(@sorted, $new->as_string);
}
$current = $new;
} else {
my $s = $t->object->as_string;
$seen{ $s }++;
push(@sorted, $s);
}
$current = $t->object;
$count++;
}
is( $count, 4, 'expected count on sorted get_statements call' );
}
{
my $iter = $store->get_statements( variable('s'), iri('http://example.org/bar'), variable('o'), undef, orderby => [ 'o' => 'DESC' ] );
my $current;
while (my $t = $iter->next) {
if (defined($current)) {
my $new = $t->object;
if ($current->as_string ne $new->as_string) {
is( $new->as_string, pop(@sorted), 'expected reverse sorted object value' );
}
$current = $new;
} else {
my $s = $t->object->as_string;
is( $s, pop(@sorted), 'expected reverse sorted object value' );
}
$current = $t->object;
}
}
}
{
my @sorted;
{
my $iter = $store->get_statements( variable('s'), variable('p'), variable('o'), undef, orderby => [ 'o' => 'ASC' ] );
isa_ok( $iter, 'RDF::Trine::Iterator::Graph' );
my $count = 0;
my %seen;
my $current;
while (my $t = $iter->next) {
if (defined($current)) {
my $new = $t->object;
if ($current->as_string ne $new->as_string) {
if ($seen{ $new->as_string }++) {
fail('distinct sorted object value');
} else {
pass('distinct sorted object value');
}
push(@sorted, $new->as_string);
}
$current = $new;
} else {
my $s = $t->object->as_string;
$seen{ $s }++;
push(@sorted, $s);
}
$current = $t->object;
$count++;
}
is( $count, 5, 'expected count on sorted get_statements call' );
}
{
my $iter = $store->get_statements( variable('s'), variable('p'), variable('o'), undef, orderby => [ 'o' => 'DESC' ] );
my $current;
while (my $t = $iter->next) {
if (defined($current)) {
my $new = $t->object;
if ($current->as_string ne $new->as_string) {
is( $new->as_string, pop(@sorted), 'expected reverse sorted object value' );
}
$current = $new;
} else {
my $s = $t->object->as_string;
is( $s, pop(@sorted), 'expected reverse sorted object value' );
}
$current = $t->object;
}
}
}
################
sub _add_rdf {
my $store = shift;
my $data = shift;
my $base = shift || 'http://example.org/';
my $parser = RDF::Trine::Parser::Turtle->new();
my $model = RDF::Trine::Model->new($store);
$parser->parse_into_model( $base, $data, $model );
}
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