# Tests that lang tags work properly
use Test::More tests => 8;
BEGIN { use_ok('RDF::RDFa::Parser') };
my $xhtml_rdfa_10 = RDF::RDFa::Parser::Config->new('xhtml','1.0');
my $xhtml = <<EOF;
<html xmlns:ex="http://example.com/ns#"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns="http://www.w3.org/1999/xhtml"
xml:lang="en-gb">
<body>
<div about="[ex:r0]" property="ex:test" content="English" />
<div lang="de" about="[ex:r1]" property="ex:test" content="English" />
<div xml:lang="invalid-lang-tags" about="[ex:r2]" property="ex:test" content="English" />
<div xml:lang="" about="[ex:r3]" property="ex:test" content="Empty" />
</body>
</html>
EOF
my $parser = RDF::RDFa::Parser->new($xhtml, 'http://example.com/', $xhtml_rdfa_10);
$parser->consume;
my $model;
ok($model = $parser->graph, "Graph retrieved");
ok($model->count_statements(
RDF::Trine::Node::Resource->new('http://example.com/ns#r0'),
RDF::Trine::Node::Resource->new('http://example.com/ns#test'),
RDF::Trine::Node::Literal->new('English', 'en-gb'),
),
"Language tags are being picked up.");
ok($model->count_statements(
RDF::Trine::Node::Resource->new('http://example.com/ns#r1'),
RDF::Trine::Node::Resource->new('http://example.com/ns#test'),
RDF::Trine::Node::Literal->new('English', 'en-gb'),
),
"Non-XML lang tags are correctly ignored.");
ok($model->count_statements(
RDF::Trine::Node::Resource->new('http://example.com/ns#r2'),
RDF::Trine::Node::Resource->new('http://example.com/ns#test'),
RDF::Trine::Node::Literal->new('English', 'en-gb'),
),
"Invalid XML lang tags are correctly ignored.");
ok($model->count_statements(
RDF::Trine::Node::Resource->new('http://example.com/ns#r3'),
RDF::Trine::Node::Resource->new('http://example.com/ns#test'),
RDF::Trine::Node::Literal->new('Empty'),
),
"Empty XML lang tags reset the language.");
$parser = RDF::RDFa::Parser->new($xhtml, 'http://example.com/', {xhtml_lang=>1});
$parser->consume;
ok($model = $parser->graph, "Alternative graph retrieved");
ok($model->count_statements(
RDF::Trine::Node::Resource->new('http://example.com/ns#r1'),
RDF::Trine::Node::Resource->new('http://example.com/ns#test'),
RDF::Trine::Node::Literal->new('English', 'de'),
),
"XHTML lang tags are not ignored when that option is requested.");