+
+class DifferentEncoding(unittest.TestCase):
+ def setUp(self):
+ self._storage = s = FakeStorage()
+ self.nodemaker = make_nodemaker(s)
+
+ def test_filenode(self):
+ # create a file with 3-of-20, then modify it with a client configured
+ # to do 3-of-10. #1510 tracks a failure here
+ self.nodemaker.default_encoding_parameters["n"] = 20
+ d = self.nodemaker.create_mutable_file("old contents")
+ def _created(n):
+ filecap = n.get_cap().to_string()
+ del n # we want a new object, not the cached one
+ self.nodemaker.default_encoding_parameters["n"] = 10
+ n2 = self.nodemaker.create_from_cap(filecap)
+ return n2
+ d.addCallback(_created)
+ def modifier(old_contents, servermap, first_time):
+ return "new contents"
+ d.addCallback(lambda n: n.modify(modifier))
+ return d