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use Test::More tests => 39;
use Test::Exception;
use strict;
use warnings;
use File::Spec;
use HTTP::Headers;
use RDF::Trine qw(iri);
use RDF::Trine::Namespace qw(rdf foaf);
use RDF::Trine::Error qw(:try);
use RDF::Trine::Serializer;
throws_ok { RDF::Trine::Serializer->new('foobar') } 'RDF::Trine::Error::SerializationError', "RDF::Trine::Serializer constructor throws on unrecognized serializer name";
my %name_expect = (
'nquads' => 'RDF::Trine::Serializer::NQuads',
'ntriples' => 'RDF::Trine::Serializer::NTriples',
'ntriples-canonical' => 'RDF::Trine::Serializer::NTriples::Canonical',
'rdfjson' => 'RDF::Trine::Serializer::RDFJSON',
'rdfxml' => 'RDF::Trine::Serializer::RDFXML',
'turtle' => 'RDF::Trine::Serializer::Turtle',
);
my %type_expect = (
'nquads' => [qw(text/x-nquads)],
'ntriples' => [qw(text/plain)],
'ntriples-canonical' => [],
'rdfjson' => [qw(application/json application/x-rdf+json)],
'rdfxml' => [qw(application/rdf+xml)],
'turtle' => [qw(application/turtle application/x-turtle text/rdf+n3 text/turtle)],
);
while (my($k,$v) = each(%name_expect)) {
my $p = RDF::Trine::Serializer->new( $k );
isa_ok( $p, $v );
my @types = $p->media_types;
is_deeply( \@types, $type_expect{ $k }, "expected media types for $k" );
}
{
my %negotiate_expect = (
"text/plain" => ['NTriples', 'text/plain'],
"application/rdf+xml" => ['RDFXML', 'application/rdf+xml'],
"image/jpeg;q=1,application/rdf+xml;q=0.5" => ['RDFXML', 'application/rdf+xml'],
"application/rdf+xml;q=1,text/plain" => ['RDFXML', 'application/rdf+xml'],
"application/rdf+xml;q=0,text/plain;q=1" => ['NTriples', 'text/plain'],
"application/rdf+xml;q=0.5,text/turtle;q=0.7,text/xml" => ['Turtle', 'text/turtle'],
"application/x-turtle;q=1,text/turtle;q=0.7" => ['Turtle', 'application/x-turtle'],
);
while (my ($accept,$data) = each(%negotiate_expect)) {
my ($sname, $etype) = @$data;
my $h = new HTTP::Headers;
$h->header(Accept => $accept);
my ($type, $s) = RDF::Trine::Serializer->negotiate( request_headers => $h );
is( $type, $etype, "expected media type for $sname serialization is $etype" );
unless (isa_ok( $s, "RDF::Trine::Serializer::$sname", "HTTP negotiated $sname serializer" )) {
warn "# $accept";
}
}
}
{
my $h = new HTTP::Headers;
$h->header(Accept=>"application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,*/*;0.5");
my ($type, $s) = RDF::Trine::Serializer->negotiate( request_headers => $h );
ok ( $type, 'choose some serializer for Accept: */*' );
}
{
my $h = new HTTP::Headers;
$h->header(Accept=>"application/rdf+xml;q=1,text/turtle;q=0.7");
my ($type, $s) = RDF::Trine::Serializer->negotiate( request_headers => $h, restrict => [ 'turtle' ] );
is ( $type, 'text/turtle', 'choose less wanted serializer with restrict option' );
}
{
my $h = new HTTP::Headers;
$h->header(Accept=>"application/xhtml+xml;q=0.8,application/rdf+xml;q=0.9,text/turtle;q=0.7");
my ($type, $s) = RDF::Trine::Serializer->negotiate(
request_headers => $h,
restrict => [ 'turtle' ],
extend => {
'text/html' => 'html',
'application/xhtml+xml' => 'xhtml',
},
);
is( $type, 'application/xhtml+xml', "negotiation with both 'restrict' restriction and 'extend' custom type" );
is( $s, 'xhtml', 'negotiation custom type thunk' );
}
{
my $h = new HTTP::Headers;
$h->header(Accept=>"application/rdf+xml;q=0.9,text/turtle;q=0.7");
my ($type, $s) = RDF::Trine::Serializer->negotiate(
request_headers => $h,
extend => {
'application/rdf+xml' => 'rdfxml',
},
);
is($type, 'application/rdf+xml', 'extended negotiation with media type collision');
is($s, 'rdfxml', 'extended negotiation with media type collision');
}
my %negotiate_fail = (
"image/jpeg" => undef,
"application/rdf+xml" => ['turtle','rdfjson']
);
while (my ($accept,$restrict) = each(%negotiate_fail)) {
throws_ok {
my $h = new HTTP::Headers;
$h->header(Accept => $accept);
my ($type, $s) = RDF::Trine::Serializer->negotiate( request_headers => $h, restrict => $restrict );
} 'RDF::Trine::Error::SerializationError', "HTTP negotiated serialization throws on unknown/unwanted media type $accept";
}
{
my ($sname, $etype) = ();
my $h = new HTTP::Headers;
$h->header(Accept => "");
my ($type, $s) = RDF::Trine::Serializer->negotiate( request_headers => $h );
like( $type, qr'^(text|application)/turtle$', "expected media type with empty accept header" );
isa_ok( $s, "RDF::Trine::Serializer::Turtle", "HTTP negotiated empty accept header to proper serializer" );
}
{
my $rdf = <<'END';
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix : <http://example.com/> .
:me a foaf:Person .
END
my $map = RDF::Trine::NamespaceMap->new();
my $model = RDF::Trine::Model->new();
my $parser = RDF::Trine::Parser->new( 'turtle', namespaces => $map );
$parser->parse_into_model( 'http://base/', $rdf, $model );
my $s = RDF::Trine::Serializer->new( 'rdfxml', namespaces => $map );
my $xml = $s->serialize_model_to_string( $model );
like( $xml, qr[xmlns="http://example.com/"]sm, 'good XML namespaces using namespacemap from parser' );
like( $xml, qr[xmlns:foaf="http://xmlns.com/foaf/0.1/"]sm, 'good XML namespaces using namespacemap from parser' );
}
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