def _check(self, plen, expected, init_size):
path = create_mock(["pack"])
path.pack.return_value = bytes(range(plen))
# Call
inst = PathTransportExt.from_values("path_type", path)
# Tests
ntools.eq_(inst.path_type, "path_type")
ntools.eq_(inst.path, path)
init_size.assert_called_once_with(inst, expected)
def _create_extensions(self):
# Determine number of border routers on path in single direction
fwd_path = self.path_meta.fwd_path()
routers_no = (fwd_path.get_as_hops() - 1) * 2
# Number of router for round-trip (return path is symmetric)
routers_no *= 2
# Extensions
exts = []
# Create PathTransportExtension
# One with data-plane path.
of_path = PathTransOFPath.from_values(self.addr, self.dst, fwd_path)
exts.append(
PathTransportExt.from_values(PathTransType.OF_PATH, of_path))
return exts