test_nquads.py 文件源码

def test_serialize(self):
        g = ConjunctiveGraph()
        uri1 = URIRef("http://example.org/mygraph1")
        uri2 = URIRef("http://example.org/mygraph2")

        bob = URIRef(u'urn:bob')
        likes = URIRef(u'urn:likes')
        pizza = URIRef(u'urn:pizza')

        g.get_context(uri1).add((bob, likes, pizza))
        g.get_context(uri2).add((bob, likes, pizza))

        s = g.serialize(format='nquads')
        self.assertEqual(len([x for x in s.split(b("\n")) if x.strip()]), 2)

        g2 = ConjunctiveGraph()
        g2.parse(data=s, format='nquads')

        self.assertEqual(len(g), len(g2))
        self.assertEqual(sorted(x.identifier for x in g.contexts()),
                         sorted(x.identifier for x in g2.contexts()))