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 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 testGraphNavigationByTriples(self):
with stdout_replaced():
gc = GraphComponent(rdfSources=[])
g = gc.makeGraph(lxmlNode=parseXml(RDF_XML_NAVIGATION))
result = list(g.triples(subject='uri:nav', predicate=namespaces.dcterms+'publisher'))
self.assertEquals(1, len(result))
self.assertEquals(
('uri:nav', namespaces.dcterms+'publisher'),
result[0][:2])
bnode = result[0][2]
self.assertTrue(isinstance(bnode, BNode))
result = list(g.triples(subject=bnode.value))
self.assertEquals(
[(bnode.value, namespaces.rdfs+'label', Literal('Pub'))],
result)
