import os.path
from urllib.request import OpenerDirector
from rdf.namespace import Namespace
from rdf.testcases.opener import URItoFileOpener
def get_data_path(filename):
return os.path.join(os.path.dirname(__file__), 'data', filename)
def open_data_file(filename, mode='r'):
return open(get_data_path(filename), mode)
class NullOpener(OpenerDirector):
def open(self, *args, **kwargs):
raise IOError
EX = Namespace('http://example.org/')
TESTS = Namespace('http://www.w3.org/2000/10/rdf-tests/rdfcore/')
PATH_MAP = {TESTS: get_data_path('rdfcore')}
TEST_OPENER = URItoFileOpener(PATH_MAP)
NULL_OPENER = NullOpener()
def test_open_without_handler_returns_none(self):
opener = URItoFileOpener()
manifest_file = opener.open(TESTS['Manifest.rdf'])
self.assertEqual(manifest_file, None)
def test_open_with_unmatched_uri_raises_exception(self):
opener = URItoFileOpener({})
self.assertRaises(URLError, self.doc.open, opener)
def setUp(self):
self.opener = URItoFileOpener(PATH_MAP)
self.manifest_file = open_data_file('rdfcore/Manifest.rdf')
