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use Test::More tests => 5;
BEGIN { use_ok('RDF::Trine::Serializer::NQuads') };
use strict;
use warnings;
use RDF::Trine qw(iri blank);
my $store = RDF::Trine::Store->temporary_store();
my $model = RDF::Trine::Model->new( $store );
my $rdf = RDF::Trine::Namespace->new('http://www.w3.org/1999/02/22-rdf-syntax-ns#');
my $foaf = RDF::Trine::Namespace->new('http://xmlns.com/foaf/0.1/');
my $kasei = RDF::Trine::Namespace->new('http://kasei.us/');
my $graph1 = iri('http://example.com/graph1');
my $graph2 = blank('graph2');
my $page = iri('http://kasei.us/');
my $g = blank('greg');
my $st0 = RDF::Trine::Statement->new( $g, $rdf->type, $foaf->Person );
my $st1 = RDF::Trine::Statement->new( $g, $foaf->name, RDF::Trine::Node::Literal->new('Greg') );
my $st2 = RDF::Trine::Statement::Quad->new( $g, $foaf->homepage, $page, $graph1 );
my $st3 = RDF::Trine::Statement::Quad->new( $page, $rdf->type, $foaf->Document, $graph2 );
$model->add_statement( $_ ) for ($st0, $st1, $st2, $st3);
{
my ($rh, $wh);
pipe($rh, $wh);
my $serializer = RDF::Trine::Serializer::NQuads->new();
$serializer->serialize_model_to_file($wh, $model);
close($wh);
my %got;
while (defined(my $line = <$rh>)) {
chomp($line);
$got{$line}++;
}
my $expect = { map { $_ => 1 } (
'_:greg <http://xmlns.com/foaf/0.1/homepage> <http://kasei.us/> <http://example.com/graph1> .',
'_:greg <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> .',
'_:greg <http://xmlns.com/foaf/0.1/name> "Greg" .',
'<http://kasei.us/> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Document> _:graph2 .',
) };
is_deeply( \%got, $expect, 'serialize_model_to_file' );
}
{
my $iter = $model->get_statements( undef, $rdf->type, undef );
my ($rh, $wh);
pipe($rh, $wh);
my $serializer = RDF::Trine::Serializer::NQuads->new();
$serializer->serialize_iterator_to_file($wh, $iter);
close($wh);
my %got;
while (defined(my $line = <$rh>)) {
chomp($line);
$got{$line}++;
}
my $expect = { map { $_ => 1 }
'_:greg <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> .',
'<http://kasei.us/> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Document> .',
};
is_deeply( \%got, $expect, 'serialize_iterator_to_file with triple-based iterator' );
}
{
my $iter = $model->get_statements( undef, $rdf->type, undef, undef );
my ($rh, $wh);
pipe($rh, $wh);
my $serializer = RDF::Trine::Serializer::NQuads->new();
$serializer->serialize_iterator_to_file($wh, $iter);
close($wh);
my %got;
while (defined(my $line = <$rh>)) {
chomp($line);
$got{$line}++;
}
my $expect = { map { $_ => 1 }
'_:greg <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> .',
'<http://kasei.us/> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Document> _:graph2 .',
};
is_deeply( \%got, $expect, 'serialize_iterator_to_file with quad-based iterator' );
}
{
my $serializer = RDF::Trine::Serializer::NQuads->new();
my $iter = $model->get_statements( undef, $rdf->type, undef, undef );
my $string = $serializer->serialize_iterator_to_string( $iter );
my %got = map { $_ => 1 } split(/\r?\n/, $string);
my $expect = { map { $_ => 1 }
'_:greg <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> .',
'<http://kasei.us/> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Document> _:graph2 .',
};
is_deeply( \%got, $expect, 'serialize_iterator_to_string with quad-based iterator' );
}
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