def testTriples(self):
with stdout_replaced():
g = GraphComponent(rdfSources=[])
g = g.makeGraph(parseXml(RDF_XML))
self.assertEquals([('uri:uri', namespaces.dcterms + 'title', Literal('The title'))], list(g.triples(subject='uri:uri', predicate=namespaces.dcterms + 'title')))
self.assertEquals([('uri:uri', namespaces.dcterms + 'title', Literal('The title'))], list(g.triples(subject=None, predicate=namespaces.dcterms + 'title', object=Literal('The title'))))
self.assertEquals([('uri:uri', namespaces.rdf + 'type', Uri('type:type#'))], list(g.triples(object=Uri('type:type#'))))
self.assertEquals(1, len(list(g.triples(object=Uri('type:type#')))))
self.assertEquals(1, len(list(g.triples(subject='uri:uri', predicate=namespaces.rdf+'type', object=Uri('type:type#')))))
def testTriplesUsingRealOntology(self):
subdir = join(self.tempdir, 'subdir')
makedirs(subdir)
copy(join(rdfDir, 'nl_property_labels.rdf'), subdir)
with stdout_replaced():
g = GraphComponent(rdfSources=[self.tempdir])
self.assertTrue(10 < len(list(g.triples())), list(g.triples()))
self.assertEquals([
(namespaces.curieToUri('dcterms:title'),
namespaces.curieToUri('rdfs:label'),
Literal('Titel', lang='nl')
)
],
list(g.triples(
subject=namespaces.curieToUri('dcterms:title'),
predicate=namespaces.curieToUri('rdfs:label'))),
)
def testMakeGraph(self):
with stdout_replaced():
g = GraphComponent(rdfSources=[])
g = g.makeGraph(parseXml(RDF_XML))
self.assertEquals(set([
('uri:uri', namespaces.dcterms + 'title', Literal('The title')),
('uri:uri', namespaces.rdf + 'type', Uri('type:type#'))
]),
set(list(g.triples(None, None, None)))
)
def testInitializeGraphComponentFromRdfObjects(self):
class A(object):
@property
def context(self):
return 'uri:context'
def asRdfXml(self):
yield '''\
<rdf:RDF
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#">
<rdf:Description rdf:about="uri:someUri">
<rdfs:label xml:lang="nl">Some resource</rdfs:label>
</rdf:Description>
</rdf:RDF>'''
with stdout_replaced():
gc = GraphComponent(rdfSources=[A()])
self.assertEquals([("uri:someUri", curieToUri("rdfs:label"), Literal("Some resource", lang="nl"))], list(gc.triples()))
