test_initbindings.py 文件源码

def testData():
    data = ConjunctiveGraph()
    data += [ ( URIRef('urn:a'), URIRef('urn:p'), Literal('a') ),
              ( URIRef('urn:b'), URIRef('urn:p'), Literal('b') ) ]

    a = set(g.query("SELECT ?target WHERE { ?target <urn:p> ?val }", initBindings={'val': Literal('a')}))
    b = set(g.query("SELECT ?target WHERE { ?target <urn:p> ?val } VALUES (?val) {('a')}"))
    assert a==b, "data: %r != %r"%(a,b)