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use Test::More tests => 9;
use Test::Exception;
use strict;
use warnings;
no warnings 'redefine';
use RDF::Trine;
use RDF::Trine::Model::Union;
use RDF::Trine::Node;
use RDF::Trine::Pattern;
use RDF::Trine::Namespace;
use RDF::Trine::Statement;
use File::Temp qw(tempfile);
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 $g = RDF::Trine::Node::Blank->new();
my $h = RDF::Trine::Node::Blank->new();
my $st0 = RDF::Trine::Statement->new( $h, $foaf->name, RDF::Trine::Node::Literal->new('Alice') );
my $st1 = RDF::Trine::Statement->new( $g, $rdf->type, $foaf->Person );
my $st2 = RDF::Trine::Statement->new( $g, $foaf->name, RDF::Trine::Node::Literal->new('Greg') );
my $st3 = RDF::Trine::Statement->new( $g, $foaf->name, RDF::Trine::Node::Literal->new('Gregory') );
my $store1 = RDF::Trine::Store->temporary_store();
my $store2 = RDF::Trine::Store->temporary_store();
my $model = RDF::Trine::Model::Union->new( $store1, $store2 );
$store1->add_statement( $_ ) for ($st0, $st1);
$store2->add_statement( $_ ) for ($st2);
$model->add_statement( $st3 );
{
my $x = RDF::Trine::Node::Variable->new( 'x' );
my $t = RDF::Trine::Statement->new( $x, $rdf->type, $foaf->Person );
my $p = RDF::Trine::Pattern->new( $t );
my $iter = $model->get_pattern( $p );
isa_ok( $iter, 'RDF::Trine::Iterator::Bindings' );
my (@rows) = $iter->get_all;
is_deeply( \@rows, [ RDF::Trine::VariableBindings->new({ x => $g }) ], '1-triple get_pattern results' );
}
{
my $x = RDF::Trine::Node::Variable->new( 'x' );
my $n = RDF::Trine::Node::Variable->new( 'name' );
my $p = RDF::Trine::Pattern->new(
RDF::Trine::Statement->new( $x, $rdf->type, $foaf->Person ),
RDF::Trine::Statement->new( $x, $foaf->name, $n ),
);
my $iter = $model->get_pattern( $p );
isa_ok( $iter, 'RDF::Trine::Iterator::Bindings' );
my %got;
my $count = 0;
while (my $row = $iter->next) {
$got{ $row->{'name'}->literal_value }++;
$count++;
}
my $expect = { qw(Greg 1 Gregory 1) };
is( $count, 2, 'expected result count' );
is_deeply( \%got, $expect, '2-triple get_pattern results' );
}
$model->remove_statement( $st3 );
{
my $x = RDF::Trine::Node::Variable->new( 'x' );
my $n = RDF::Trine::Node::Variable->new( 'name' );
my $p = RDF::Trine::Pattern->new(
RDF::Trine::Statement->new( $x, $rdf->type, $foaf->Person ),
RDF::Trine::Statement->new( $x, $foaf->name, $n ),
);
my $iter = $model->get_pattern( $p );
isa_ok( $iter, 'RDF::Trine::Iterator::Bindings' );
my %got;
my $count = 0;
while (my $row = $iter->next) {
$got{ $row->{'name'}->literal_value }++;
$count++;
}
my $expect = { qw(Greg 1) };
is( $count, 1, 'expected result count' );
is_deeply( \%got, $expect, '2-triple get_pattern results' );
}
$model->remove_statements( $g, undef, undef );
is( $model->size, 1, 'model size after remove_statements' );
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