def test_index():
rdf_space = Space('tests/example.n3')
assert_equal(rdf_space.index('http://dbpedia.org/resource/Category:Futurama'), 2)
assert(rdf_space.has_index('http://dbpedia.org/resource/Category:Futurama'))
assert(not rdf_space.has_index('http://dbpedia.org/resource/Foo'))
