tahoe-lafs/allmydata/test/test_filetable.py

58 lines
2.3 KiB
Python

import os
from twisted.trial import unittest
from allmydata.filetable import MutableDirectoryNode, \
DeadDirectoryNodeError, BadDirectoryError, BadFileError
class FileTable(unittest.TestCase):
def test_files(self):
os.mkdir("filetable")
root = MutableDirectoryNode(os.path.abspath("filetable"))
self.failUnlessEqual(root.list(), [])
root.add_file("one", "vid-one")
root.add_file("two", "vid-two")
self.failUnlessEqual(root.list(), [("one", "vid-one"),
("two", "vid-two")])
root.remove("two")
self.failUnlessEqual(root.list(), [("one", "vid-one")])
self.failUnlessRaises(BadFileError, root.remove, "two")
self.failUnlessRaises(BadFileError, root.remove, "three")
self.failUnlessEqual(root.get("one"), "vid-one")
self.failUnlessRaises(BadFileError, root.get, "missing")
# now play with directories
subdir1 = root.add_directory("subdir1")
self.failUnless(isinstance(subdir1, MutableDirectoryNode))
subdir1a = root.get("subdir1")
self.failUnless(isinstance(subdir1a, MutableDirectoryNode))
self.failUnlessEqual(subdir1a._basedir, subdir1._basedir)
entries = root.list()
self.failUnlessEqual(len(entries), 2)
one_index = entries.index( ("one", "vid-one") )
subdir_index = 1 - one_index
self.failUnlessEqual(entries[subdir_index][0], "subdir1")
subdir2 = entries[subdir_index][1]
self.failUnless(isinstance(subdir2, MutableDirectoryNode))
self.failUnlessEqual(subdir1.list(), [])
self.failUnlessEqual(subdir2.list(), [])
subdir1.add_file("subone", "vid-subone")
self.failUnlessEqual(subdir1.list(), [("subone", "vid-subone")])
self.failUnlessEqual(subdir2.list(), [("subone", "vid-subone")])
self.failUnlessEqual(len(root.list()), 2)
self.failUnlessRaises(BadDirectoryError, root.add_directory, "subdir1")
self.failUnlessRaises(BadDirectoryError, root.add_directory, "one")
root.remove("subdir1")
self.failUnlessEqual(root.list(), [("one", "vid-one")])
# should our (orphaned) subdir1/subdir2 node still be able to do
# anything?
self.failUnlessRaises(DeadDirectoryNodeError, subdir1.list)