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import unittest
import rdflib
from rdflib import ConjunctiveGraph
from rdflib import Literal
from rdflib.namespace import SKOS
from rdflib import RDFS
from rdflib import URIRef
class TestPrefLabel(unittest.TestCase):
def setUp(self):
self.g = ConjunctiveGraph()
self.u = URIRef('http://example.com/foo')
self.g.add([self.u, RDFS.label, Literal('foo')])
self.g.add([self.u, RDFS.label, Literal('bar')])
def test_default_label_sorting(self):
res = sorted(self.g.preferredLabel(self.u))
tgt = [(rdflib.term.URIRef('http://www.w3.org/2000/01/rdf-schema#label'),
rdflib.term.Literal(u'bar')),
(rdflib.term.URIRef('http://www.w3.org/2000/01/rdf-schema#label'),
rdflib.term.Literal(u'foo'))]
self.assertEqual(res, tgt)
def test_default_preflabel_sorting(self):
self.g.add([self.u, SKOS.prefLabel, Literal('bla')])
res = self.g.preferredLabel(self.u)
tgt = [(rdflib.term.URIRef('http://www.w3.org/2004/02/skos/core#prefLabel'),
rdflib.term.Literal(u'bla'))]
self.assertEqual(res, tgt)
def test_preflabel_lang_sorting_no_lang_attr(self):
self.g.add([self.u, SKOS.prefLabel, Literal('bla')])
self.g.add([self.u, SKOS.prefLabel, Literal('blubb', lang='en')])
res = sorted(self.g.preferredLabel(self.u))
tgt = [(rdflib.term.URIRef('http://www.w3.org/2004/02/skos/core#prefLabel'),
rdflib.term.Literal(u'bla')),
(rdflib.term.URIRef('http://www.w3.org/2004/02/skos/core#prefLabel'),
rdflib.term.Literal(u'blubb', lang='en'))]
self.assertEqual(res, tgt)
def test_preflabel_lang_sorting_empty_lang_attr(self):
self.g.add([self.u, SKOS.prefLabel, Literal('bla')])
self.g.add([self.u, SKOS.prefLabel, Literal('blubb', lang='en')])
res = self.g.preferredLabel(self.u, lang='')
tgt = [(rdflib.term.URIRef('http://www.w3.org/2004/02/skos/core#prefLabel'),
rdflib.term.Literal(u'bla'))]
self.assertEqual(res, tgt)
def test_preflabel_lang_sorting_en_lang_attr(self):
self.g.add([self.u, SKOS.prefLabel, Literal('blubb', lang='en')])
res = self.g.preferredLabel(self.u, lang='en')
tgt = [(rdflib.term.URIRef('http://www.w3.org/2004/02/skos/core#prefLabel'),
rdflib.term.Literal(u'blubb', lang='en'))]
self.assertEqual(res, tgt)
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