3 from twisted.trial import unittest
4 from twisted.internet import defer
5 from allmydata import uri, dirnode
6 from allmydata.client import Client
7 from allmydata.immutable import upload
8 from allmydata.interfaces import IFileNode, \
9 ExistingChildError, NoSuchChildError, \
10 IDeepCheckResults, IDeepCheckAndRepairResults, CannotPackUnknownNodeError
11 from allmydata.mutable.filenode import MutableFileNode
12 from allmydata.mutable.common import UncoordinatedWriteError
13 from allmydata.util import hashutil, base32
14 from allmydata.monitor import Monitor
15 from allmydata.test.common import make_chk_file_uri, make_mutable_file_uri, \
17 from allmydata.test.no_network import GridTestMixin
18 from allmydata.unknown import UnknownNode
19 from allmydata.nodemaker import NodeMaker
20 from base64 import b32decode
21 import common_util as testutil
23 class Dirnode(GridTestMixin, unittest.TestCase,
24 testutil.ShouldFailMixin, testutil.StallMixin, ErrorMixin):
25 timeout = 240 # It takes longer than 120 seconds on Francois's arm box.
28 self.basedir = "dirnode/Dirnode/test_basic"
31 d = c.create_empty_dirnode()
33 self.failUnless(isinstance(res, dirnode.DirectoryNode))
35 self.failUnless("RW" in rep)
40 self.basedir = "dirnode/Dirnode/test_check"
43 d = c.create_empty_dirnode()
44 d.addCallback(lambda dn: dn.check(Monitor()))
46 self.failUnless(res.is_healthy())
50 def _test_deepcheck_create(self):
51 # create a small tree with a loop, and some non-directories
55 # root/subdir/link -> root
58 d = c.create_empty_dirnode()
59 def _created_root(rootnode):
60 self._rootnode = rootnode
61 return rootnode.create_empty_directory(u"subdir")
62 d.addCallback(_created_root)
63 def _created_subdir(subdir):
65 d = subdir.add_file(u"file1", upload.Data("data"*100, None))
66 d.addCallback(lambda res: subdir.set_node(u"link", self._rootnode))
67 d.addCallback(lambda res: c.create_empty_dirnode())
68 d.addCallback(lambda dn:
69 self._rootnode.set_uri(u"rodir",
70 dn.get_readonly_uri()))
72 d.addCallback(_created_subdir)
78 def test_deepcheck(self):
79 self.basedir = "dirnode/Dirnode/test_deepcheck"
81 d = self._test_deepcheck_create()
82 d.addCallback(lambda rootnode: rootnode.start_deep_check().when_done())
83 def _check_results(r):
84 self.failUnless(IDeepCheckResults.providedBy(r))
86 self.failUnlessEqual(c,
87 {"count-objects-checked": 4,
88 "count-objects-healthy": 4,
89 "count-objects-unhealthy": 0,
90 "count-objects-unrecoverable": 0,
91 "count-corrupt-shares": 0,
93 self.failIf(r.get_corrupt_shares())
94 self.failUnlessEqual(len(r.get_all_results()), 4)
95 d.addCallback(_check_results)
98 def test_deepcheck_and_repair(self):
99 self.basedir = "dirnode/Dirnode/test_deepcheck_and_repair"
101 d = self._test_deepcheck_create()
102 d.addCallback(lambda rootnode:
103 rootnode.start_deep_check_and_repair().when_done())
104 def _check_results(r):
105 self.failUnless(IDeepCheckAndRepairResults.providedBy(r))
107 self.failUnlessEqual(c,
108 {"count-objects-checked": 4,
109 "count-objects-healthy-pre-repair": 4,
110 "count-objects-unhealthy-pre-repair": 0,
111 "count-objects-unrecoverable-pre-repair": 0,
112 "count-corrupt-shares-pre-repair": 0,
113 "count-objects-healthy-post-repair": 4,
114 "count-objects-unhealthy-post-repair": 0,
115 "count-objects-unrecoverable-post-repair": 0,
116 "count-corrupt-shares-post-repair": 0,
117 "count-repairs-attempted": 0,
118 "count-repairs-successful": 0,
119 "count-repairs-unsuccessful": 0,
121 self.failIf(r.get_corrupt_shares())
122 self.failIf(r.get_remaining_corrupt_shares())
123 self.failUnlessEqual(len(r.get_all_results()), 4)
124 d.addCallback(_check_results)
127 def _mark_file_bad(self, rootnode):
128 si = rootnode.get_storage_index()
129 self.delete_shares_numbered(rootnode.get_uri(), [0])
132 def test_deepcheck_problems(self):
133 self.basedir = "dirnode/Dirnode/test_deepcheck_problems"
135 d = self._test_deepcheck_create()
136 d.addCallback(lambda rootnode: self._mark_file_bad(rootnode))
137 d.addCallback(lambda rootnode: rootnode.start_deep_check().when_done())
138 def _check_results(r):
140 self.failUnlessEqual(c,
141 {"count-objects-checked": 4,
142 "count-objects-healthy": 3,
143 "count-objects-unhealthy": 1,
144 "count-objects-unrecoverable": 0,
145 "count-corrupt-shares": 0,
147 #self.failUnlessEqual(len(r.get_problems()), 1) # TODO
148 d.addCallback(_check_results)
151 def test_readonly(self):
152 self.basedir = "dirnode/Dirnode/test_readonly"
154 c = self.g.clients[0]
156 filecap = make_chk_file_uri(1234)
157 filenode = nm.create_from_cap(filecap)
158 uploadable = upload.Data("some data", convergence="some convergence string")
160 d = c.create_empty_dirnode()
162 d2 = rw_dn.set_uri(u"child", filecap)
163 d2.addCallback(lambda res: rw_dn)
165 d.addCallback(_created)
168 ro_uri = rw_dn.get_readonly_uri()
169 ro_dn = c.create_node_from_uri(ro_uri)
170 self.failUnless(ro_dn.is_readonly())
171 self.failUnless(ro_dn.is_mutable())
173 self.shouldFail(dirnode.NotMutableError, "set_uri ro", None,
174 ro_dn.set_uri, u"newchild", filecap)
175 self.shouldFail(dirnode.NotMutableError, "set_uri ro", None,
176 ro_dn.set_node, u"newchild", filenode)
177 self.shouldFail(dirnode.NotMutableError, "set_nodes ro", None,
178 ro_dn.set_nodes, [ (u"newchild", filenode) ])
179 self.shouldFail(dirnode.NotMutableError, "set_uri ro", None,
180 ro_dn.add_file, u"newchild", uploadable)
181 self.shouldFail(dirnode.NotMutableError, "set_uri ro", None,
182 ro_dn.delete, u"child")
183 self.shouldFail(dirnode.NotMutableError, "set_uri ro", None,
184 ro_dn.create_empty_directory, u"newchild")
185 self.shouldFail(dirnode.NotMutableError, "set_metadata_for ro", None,
186 ro_dn.set_metadata_for, u"child", {})
187 self.shouldFail(dirnode.NotMutableError, "set_uri ro", None,
188 ro_dn.move_child_to, u"child", rw_dn)
189 self.shouldFail(dirnode.NotMutableError, "set_uri ro", None,
190 rw_dn.move_child_to, u"child", ro_dn)
192 d.addCallback(_ready)
193 def _listed(children):
194 self.failUnless(u"child" in children)
195 d.addCallback(_listed)
198 def failUnlessGreaterThan(self, a, b):
199 self.failUnless(a > b, "%r should be > %r" % (a, b))
201 def failUnlessGreaterOrEqualThan(self, a, b):
202 self.failUnless(a >= b, "%r should be >= %r" % (a, b))
204 def test_create(self):
205 self.basedir = "dirnode/Dirnode/test_create"
207 c = self.g.clients[0]
209 self.expected_manifest = []
210 self.expected_verifycaps = set()
211 self.expected_storage_indexes = set()
213 d = c.create_empty_dirnode()
217 self.failUnless(n.is_mutable())
220 self.failUnless(u.startswith("URI:DIR2:"), u)
221 u_ro = n.get_readonly_uri()
222 self.failUnless(u_ro.startswith("URI:DIR2-RO:"), u_ro)
223 u_v = n.get_verify_cap().to_string()
224 self.failUnless(u_v.startswith("URI:DIR2-Verifier:"), u_v)
225 u_r = n.get_repair_cap().to_string()
226 self.failUnlessEqual(u_r, u)
227 self.expected_manifest.append( ((), u) )
228 self.expected_verifycaps.add(u_v)
229 si = n.get_storage_index()
230 self.expected_storage_indexes.add(base32.b2a(si))
231 expected_si = n._uri._filenode_uri.storage_index
232 self.failUnlessEqual(si, expected_si)
235 d.addCallback(lambda res: self.failUnlessEqual(res, {}))
236 d.addCallback(lambda res: n.has_child(u"missing"))
237 d.addCallback(lambda res: self.failIf(res))
239 fake_file_uri = make_mutable_file_uri()
240 other_file_uri = make_mutable_file_uri()
241 m = c.nodemaker.create_from_cap(fake_file_uri)
242 ffu_v = m.get_verify_cap().to_string()
243 self.expected_manifest.append( ((u"child",) , m.get_uri()) )
244 self.expected_verifycaps.add(ffu_v)
245 self.expected_storage_indexes.add(base32.b2a(m.get_storage_index()))
246 d.addCallback(lambda res: n.set_uri(u"child", fake_file_uri))
247 d.addCallback(lambda res:
248 self.shouldFail(ExistingChildError, "set_uri-no",
249 "child 'child' already exists",
250 n.set_uri, u"child", other_file_uri,
255 d.addCallback(lambda res: n.create_empty_directory(u"subdir"))
259 # /subdir = directory
260 def _created(subdir):
261 self.failUnless(isinstance(subdir, dirnode.DirectoryNode))
263 new_v = subdir.get_verify_cap().to_string()
264 assert isinstance(new_v, str)
265 self.expected_manifest.append( ((u"subdir",), subdir.get_uri()) )
266 self.expected_verifycaps.add(new_v)
267 si = subdir.get_storage_index()
268 self.expected_storage_indexes.add(base32.b2a(si))
269 d.addCallback(_created)
271 d.addCallback(lambda res:
272 self.shouldFail(ExistingChildError, "mkdir-no",
273 "child 'subdir' already exists",
274 n.create_empty_directory, u"subdir",
277 d.addCallback(lambda res: n.list())
278 d.addCallback(lambda children:
279 self.failUnlessEqual(sorted(children.keys()),
280 sorted([u"child", u"subdir"])))
282 d.addCallback(lambda res: n.start_deep_stats().when_done())
283 def _check_deepstats(stats):
284 self.failUnless(isinstance(stats, dict))
285 expected = {"count-immutable-files": 0,
286 "count-mutable-files": 1,
287 "count-literal-files": 0,
289 "count-directories": 2,
290 "size-immutable-files": 0,
291 "size-literal-files": 0,
292 #"size-directories": 616, # varies
293 #"largest-directory": 616,
294 "largest-directory-children": 2,
295 "largest-immutable-file": 0,
297 for k,v in expected.iteritems():
298 self.failUnlessEqual(stats[k], v,
299 "stats[%s] was %s, not %s" %
301 self.failUnless(stats["size-directories"] > 500,
302 stats["size-directories"])
303 self.failUnless(stats["largest-directory"] > 500,
304 stats["largest-directory"])
305 self.failUnlessEqual(stats["size-files-histogram"], [])
306 d.addCallback(_check_deepstats)
308 d.addCallback(lambda res: n.build_manifest().when_done())
309 def _check_manifest(res):
310 manifest = res["manifest"]
311 self.failUnlessEqual(sorted(manifest),
312 sorted(self.expected_manifest))
314 _check_deepstats(stats)
315 self.failUnlessEqual(self.expected_verifycaps,
317 self.failUnlessEqual(self.expected_storage_indexes,
318 res["storage-index"])
319 d.addCallback(_check_manifest)
321 def _add_subsubdir(res):
322 return self.subdir.create_empty_directory(u"subsubdir")
323 d.addCallback(_add_subsubdir)
326 # /subdir = directory
327 # /subdir/subsubdir = directory
328 d.addCallback(lambda res: n.get_child_at_path(u"subdir/subsubdir"))
329 d.addCallback(lambda subsubdir:
330 self.failUnless(isinstance(subsubdir,
331 dirnode.DirectoryNode)))
332 d.addCallback(lambda res: n.get_child_at_path(u""))
333 d.addCallback(lambda res: self.failUnlessEqual(res.get_uri(),
336 d.addCallback(lambda res: n.get_metadata_for(u"child"))
337 d.addCallback(lambda metadata:
338 self.failUnlessEqual(set(metadata.keys()),
339 set(["tahoe", "ctime", "mtime"])))
341 d.addCallback(lambda res:
342 self.shouldFail(NoSuchChildError, "gcamap-no",
344 n.get_child_and_metadata_at_path,
346 d.addCallback(lambda res:
347 n.get_child_and_metadata_at_path(u""))
348 def _check_child_and_metadata1(res):
349 child, metadata = res
350 self.failUnless(isinstance(child, dirnode.DirectoryNode))
351 # edge-metadata needs at least one path segment
352 self.failUnlessEqual(sorted(metadata.keys()), [])
353 d.addCallback(_check_child_and_metadata1)
354 d.addCallback(lambda res:
355 n.get_child_and_metadata_at_path(u"child"))
357 def _check_child_and_metadata2(res):
358 child, metadata = res
359 self.failUnlessEqual(child.get_uri(),
361 self.failUnlessEqual(set(metadata.keys()),
362 set(["tahoe", "ctime", "mtime"]))
363 d.addCallback(_check_child_and_metadata2)
365 d.addCallback(lambda res:
366 n.get_child_and_metadata_at_path(u"subdir/subsubdir"))
367 def _check_child_and_metadata3(res):
368 child, metadata = res
369 self.failUnless(isinstance(child, dirnode.DirectoryNode))
370 self.failUnlessEqual(set(metadata.keys()),
371 set(["tahoe", "ctime", "mtime"]))
372 d.addCallback(_check_child_and_metadata3)
375 # it should be possible to add a child without any metadata
376 d.addCallback(lambda res: n.set_uri(u"c2", fake_file_uri, {}))
377 d.addCallback(lambda res: n.get_metadata_for(u"c2"))
378 d.addCallback(lambda metadata: self.failUnlessEqual(metadata.keys(), ['tahoe']))
380 # You can't override the link timestamps.
381 d.addCallback(lambda res: n.set_uri(u"c2", fake_file_uri, { 'tahoe': {'linkcrtime': "bogus"}}))
382 d.addCallback(lambda res: n.get_metadata_for(u"c2"))
383 def _has_good_linkcrtime(metadata):
384 self.failUnless(metadata.has_key('tahoe'))
385 self.failUnless(metadata['tahoe'].has_key('linkcrtime'))
386 self.failIfEqual(metadata['tahoe']['linkcrtime'], 'bogus')
387 d.addCallback(_has_good_linkcrtime)
389 # if we don't set any defaults, the child should get timestamps
390 d.addCallback(lambda res: n.set_uri(u"c3", fake_file_uri))
391 d.addCallback(lambda res: n.get_metadata_for(u"c3"))
392 d.addCallback(lambda metadata:
393 self.failUnlessEqual(set(metadata.keys()),
394 set(["tahoe", "ctime", "mtime"])))
396 # or we can add specific metadata at set_uri() time, which
397 # overrides the timestamps
398 d.addCallback(lambda res: n.set_uri(u"c4", fake_file_uri,
400 d.addCallback(lambda res: n.get_metadata_for(u"c4"))
401 d.addCallback(lambda metadata:
402 self.failUnless((set(metadata.keys()) == set(["key", "tahoe"])) and
403 (metadata['key'] == "value"), metadata))
405 d.addCallback(lambda res: n.delete(u"c2"))
406 d.addCallback(lambda res: n.delete(u"c3"))
407 d.addCallback(lambda res: n.delete(u"c4"))
409 # set_node + metadata
410 # it should be possible to add a child without any metadata
411 d.addCallback(lambda res: n.set_node(u"d2", n, {}))
412 d.addCallback(lambda res: c.create_empty_dirnode())
413 d.addCallback(lambda n2:
414 self.shouldFail(ExistingChildError, "set_node-no",
415 "child 'd2' already exists",
416 n.set_node, u"d2", n2,
418 d.addCallback(lambda res: n.get_metadata_for(u"d2"))
419 d.addCallback(lambda metadata: self.failUnlessEqual(metadata.keys(), ['tahoe']))
421 # if we don't set any defaults, the child should get timestamps
422 d.addCallback(lambda res: n.set_node(u"d3", n))
423 d.addCallback(lambda res: n.get_metadata_for(u"d3"))
424 d.addCallback(lambda metadata:
425 self.failUnlessEqual(set(metadata.keys()),
426 set(["tahoe", "ctime", "mtime"])))
428 # or we can add specific metadata at set_node() time, which
429 # overrides the timestamps
430 d.addCallback(lambda res: n.set_node(u"d4", n,
432 d.addCallback(lambda res: n.get_metadata_for(u"d4"))
433 d.addCallback(lambda metadata:
434 self.failUnless((set(metadata.keys()) == set(["key", "tahoe"])) and
435 (metadata['key'] == "value"), metadata))
437 d.addCallback(lambda res: n.delete(u"d2"))
438 d.addCallback(lambda res: n.delete(u"d3"))
439 d.addCallback(lambda res: n.delete(u"d4"))
441 # metadata through set_children()
442 d.addCallback(lambda res: n.set_children([ (u"e1", fake_file_uri),
443 (u"e2", fake_file_uri, {}),
444 (u"e3", fake_file_uri,
447 d.addCallback(lambda res:
448 self.shouldFail(ExistingChildError, "set_children-no",
449 "child 'e1' already exists",
451 [ (u"e1", other_file_uri),
452 (u"new", other_file_uri), ],
454 # and 'new' should not have been created
455 d.addCallback(lambda res: n.list())
456 d.addCallback(lambda children: self.failIf(u"new" in children))
457 d.addCallback(lambda res: n.get_metadata_for(u"e1"))
458 d.addCallback(lambda metadata:
459 self.failUnlessEqual(set(metadata.keys()),
460 set(["tahoe", "ctime", "mtime"])))
461 d.addCallback(lambda res: n.get_metadata_for(u"e2"))
462 d.addCallback(lambda metadata:
463 self.failUnlessEqual(set(metadata.keys()), set(['tahoe'])))
464 d.addCallback(lambda res: n.get_metadata_for(u"e3"))
465 d.addCallback(lambda metadata:
466 self.failUnless((set(metadata.keys()) == set(["key", "tahoe"]))
467 and (metadata['key'] == "value"), metadata))
469 d.addCallback(lambda res: n.delete(u"e1"))
470 d.addCallback(lambda res: n.delete(u"e2"))
471 d.addCallback(lambda res: n.delete(u"e3"))
473 # metadata through set_nodes()
474 d.addCallback(lambda res: n.set_nodes([ (u"f1", n),
479 d.addCallback(lambda res:
480 self.shouldFail(ExistingChildError, "set_nodes-no",
481 "child 'f1' already exists",
486 # and 'new' should not have been created
487 d.addCallback(lambda res: n.list())
488 d.addCallback(lambda children: self.failIf(u"new" in children))
489 d.addCallback(lambda res: n.get_metadata_for(u"f1"))
490 d.addCallback(lambda metadata:
491 self.failUnlessEqual(set(metadata.keys()),
492 set(["tahoe", "ctime", "mtime"])))
493 d.addCallback(lambda res: n.get_metadata_for(u"f2"))
495 lambda metadata: self.failUnlessEqual(set(metadata.keys()), set(['tahoe'])))
496 d.addCallback(lambda res: n.get_metadata_for(u"f3"))
497 d.addCallback(lambda metadata:
498 self.failUnless((set(metadata.keys()) == set(["key", "tahoe"])) and
499 (metadata['key'] == "value"), metadata))
501 d.addCallback(lambda res: n.delete(u"f1"))
502 d.addCallback(lambda res: n.delete(u"f2"))
503 d.addCallback(lambda res: n.delete(u"f3"))
506 d.addCallback(lambda res:
507 n.set_metadata_for(u"child",
508 {"tags": ["web2.0-compatible"]}))
509 d.addCallback(lambda n1: n1.get_metadata_for(u"child"))
510 d.addCallback(lambda metadata:
511 self.failUnlessEqual(metadata,
512 {"tags": ["web2.0-compatible"]}))
515 self._start_timestamp = time.time()
516 d.addCallback(_start)
517 # simplejson-1.7.1 (as shipped on Ubuntu 'gutsy') rounds all
518 # floats to hundredeths (it uses str(num) instead of repr(num)).
519 # simplejson-1.7.3 does not have this bug. To prevent this bug
520 # from causing the test to fail, stall for more than a few
521 # hundrededths of a second.
522 d.addCallback(self.stall, 0.1)
523 d.addCallback(lambda res: n.add_file(u"timestamps",
524 upload.Data("stamp me", convergence="some convergence string")))
525 d.addCallback(self.stall, 0.1)
527 self._stop_timestamp = time.time()
530 d.addCallback(lambda res: n.get_metadata_for(u"timestamps"))
531 def _check_timestamp1(metadata):
532 self.failUnless("ctime" in metadata)
533 self.failUnless("mtime" in metadata)
534 self.failUnlessGreaterOrEqualThan(metadata["ctime"],
535 self._start_timestamp)
536 self.failUnlessGreaterOrEqualThan(self._stop_timestamp,
538 self.failUnlessGreaterOrEqualThan(metadata["mtime"],
539 self._start_timestamp)
540 self.failUnlessGreaterOrEqualThan(self._stop_timestamp,
542 # Our current timestamp rules say that replacing an existing
543 # child should preserve the 'ctime' but update the mtime
544 self._old_ctime = metadata["ctime"]
545 self._old_mtime = metadata["mtime"]
546 d.addCallback(_check_timestamp1)
547 d.addCallback(self.stall, 2.0) # accomodate low-res timestamps
548 d.addCallback(lambda res: n.set_node(u"timestamps", n))
549 d.addCallback(lambda res: n.get_metadata_for(u"timestamps"))
550 def _check_timestamp2(metadata):
551 self.failUnlessEqual(metadata["ctime"], self._old_ctime,
552 "%s != %s" % (metadata["ctime"],
554 self.failUnlessGreaterThan(metadata["mtime"], self._old_mtime)
555 return n.delete(u"timestamps")
556 d.addCallback(_check_timestamp2)
558 # also make sure we can add/update timestamps on a
559 # previously-existing child that didn't have any, since there are
560 # a lot of 0.7.0-generated edges around out there
561 d.addCallback(lambda res: n.set_node(u"no_timestamps", n, {}))
562 d.addCallback(lambda res: n.set_node(u"no_timestamps", n))
563 d.addCallback(lambda res: n.get_metadata_for(u"no_timestamps"))
564 d.addCallback(lambda metadata:
565 self.failUnlessEqual(set(metadata.keys()),
566 set(["tahoe", "ctime", "mtime"])))
567 d.addCallback(lambda res: n.delete(u"no_timestamps"))
569 d.addCallback(lambda res: n.delete(u"subdir"))
570 d.addCallback(lambda old_child:
571 self.failUnlessEqual(old_child.get_uri(),
572 self.subdir.get_uri()))
574 d.addCallback(lambda res: n.list())
575 d.addCallback(lambda children:
576 self.failUnlessEqual(sorted(children.keys()),
579 uploadable1 = upload.Data("some data", convergence="converge")
580 d.addCallback(lambda res: n.add_file(u"newfile", uploadable1))
581 d.addCallback(lambda newnode:
582 self.failUnless(IFileNode.providedBy(newnode)))
583 uploadable2 = upload.Data("some data", convergence="stuff")
584 d.addCallback(lambda res:
585 self.shouldFail(ExistingChildError, "add_file-no",
586 "child 'newfile' already exists",
587 n.add_file, u"newfile",
590 d.addCallback(lambda res: n.list())
591 d.addCallback(lambda children:
592 self.failUnlessEqual(sorted(children.keys()),
593 sorted([u"child", u"newfile"])))
594 d.addCallback(lambda res: n.get_metadata_for(u"newfile"))
595 d.addCallback(lambda metadata:
596 self.failUnlessEqual(set(metadata.keys()),
597 set(["tahoe", "ctime", "mtime"])))
599 uploadable3 = upload.Data("some data", convergence="converge")
600 d.addCallback(lambda res: n.add_file(u"newfile-metadata",
603 d.addCallback(lambda newnode:
604 self.failUnless(IFileNode.providedBy(newnode)))
605 d.addCallback(lambda res: n.get_metadata_for(u"newfile-metadata"))
606 d.addCallback(lambda metadata:
607 self.failUnless((set(metadata.keys()) == set(["key", "tahoe"])) and
608 (metadata['key'] == "value"), metadata))
609 d.addCallback(lambda res: n.delete(u"newfile-metadata"))
611 d.addCallback(lambda res: n.create_empty_directory(u"subdir2"))
612 def _created2(subdir2):
613 self.subdir2 = subdir2
614 # put something in the way, to make sure it gets overwritten
615 return subdir2.add_file(u"child", upload.Data("overwrite me",
617 d.addCallback(_created2)
619 d.addCallback(lambda res:
620 n.move_child_to(u"child", self.subdir2))
621 d.addCallback(lambda res: n.list())
622 d.addCallback(lambda children:
623 self.failUnlessEqual(sorted(children.keys()),
624 sorted([u"newfile", u"subdir2"])))
625 d.addCallback(lambda res: self.subdir2.list())
626 d.addCallback(lambda children:
627 self.failUnlessEqual(sorted(children.keys()),
629 d.addCallback(lambda res: self.subdir2.get(u"child"))
630 d.addCallback(lambda child:
631 self.failUnlessEqual(child.get_uri(),
634 # move it back, using new_child_name=
635 d.addCallback(lambda res:
636 self.subdir2.move_child_to(u"child", n, u"newchild"))
637 d.addCallback(lambda res: n.list())
638 d.addCallback(lambda children:
639 self.failUnlessEqual(sorted(children.keys()),
640 sorted([u"newchild", u"newfile",
642 d.addCallback(lambda res: self.subdir2.list())
643 d.addCallback(lambda children:
644 self.failUnlessEqual(sorted(children.keys()), []))
646 # now make sure that we honor overwrite=False
647 d.addCallback(lambda res:
648 self.subdir2.set_uri(u"newchild", other_file_uri))
650 d.addCallback(lambda res:
651 self.shouldFail(ExistingChildError, "move_child_to-no",
652 "child 'newchild' already exists",
653 n.move_child_to, u"newchild",
656 d.addCallback(lambda res: self.subdir2.get(u"newchild"))
657 d.addCallback(lambda child:
658 self.failUnlessEqual(child.get_uri(),
665 d.addErrback(self.explain_error)
668 class Packing(unittest.TestCase):
669 # This is a base32-encoded representation of the directory tree
673 # as represented after being fed to _pack_contents.
674 # We have it here so we can decode it, feed it to
675 # _unpack_contents, and verify that _unpack_contents
678 known_tree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
680 def test_unpack_and_pack_behavior(self):
681 known_tree = b32decode(self.known_tree)
682 nodemaker = NodeMaker(None, None, None,
684 {"k": 3, "n": 10}, None)
685 writecap = "URI:SSK-RO:e3mdrzfwhoq42hy5ubcz6rp3o4:ybyibhnp3vvwuq2vaw2ckjmesgkklfs6ghxleztqidihjyofgw7q"
686 filenode = nodemaker.create_from_cap(writecap)
687 node = dirnode.DirectoryNode(filenode, nodemaker, None)
688 children = node._unpack_contents(known_tree)
689 self._check_children(children)
691 packed_children = node._pack_contents(children)
692 children = node._unpack_contents(packed_children)
693 self._check_children(children)
695 def _check_children(self, children):
696 # Are all the expected child nodes there?
697 self.failUnless(children.has_key(u'file1'))
698 self.failUnless(children.has_key(u'file2'))
699 self.failUnless(children.has_key(u'file3'))
701 # Are the metadata for child 3 right?
702 file3_rocap = "URI:CHK:cmtcxq7hwxvfxan34yiev6ivhy:qvcekmjtoetdcw4kmi7b3rtblvgx7544crnwaqtiewemdliqsokq:3:10:5"
703 file3_rwcap = "URI:CHK:cmtcxq7hwxvfxan34yiev6ivhy:qvcekmjtoetdcw4kmi7b3rtblvgx7544crnwaqtiewemdliqsokq:3:10:5"
704 file3_metadata = {'ctime': 1246663897.4336269, 'tahoe': {'linkmotime': 1246663897.4336269, 'linkcrtime': 1246663897.4336269}, 'mtime': 1246663897.4336269}
705 self.failUnlessEqual(file3_metadata, children[u'file3'][1])
706 self.failUnlessEqual(file3_rocap,
707 children[u'file3'][0].get_readonly_uri())
708 self.failUnlessEqual(file3_rwcap,
709 children[u'file3'][0].get_uri())
711 # Are the metadata for child 2 right?
712 file2_rocap = "URI:CHK:apegrpehshwugkbh3jlt5ei6hq:5oougnemcl5xgx4ijgiumtdojlipibctjkbwvyygdymdphib2fvq:3:10:4"
713 file2_rwcap = "URI:CHK:apegrpehshwugkbh3jlt5ei6hq:5oougnemcl5xgx4ijgiumtdojlipibctjkbwvyygdymdphib2fvq:3:10:4"
714 file2_metadata = {'ctime': 1246663897.430218, 'tahoe': {'linkmotime': 1246663897.430218, 'linkcrtime': 1246663897.430218}, 'mtime': 1246663897.430218}
715 self.failUnlessEqual(file2_metadata, children[u'file2'][1])
716 self.failUnlessEqual(file2_rocap,
717 children[u'file2'][0].get_readonly_uri())
718 self.failUnlessEqual(file2_rwcap,
719 children[u'file2'][0].get_uri())
721 # Are the metadata for child 1 right?
722 file1_rocap = "URI:CHK:olxtimympo7f27jvhtgqlnbtn4:emzdnhk2um4seixozlkw3qx2nfijvdkx3ky7i7izl47yedl6e64a:3:10:10"
723 file1_rwcap = "URI:CHK:olxtimympo7f27jvhtgqlnbtn4:emzdnhk2um4seixozlkw3qx2nfijvdkx3ky7i7izl47yedl6e64a:3:10:10"
724 file1_metadata = {'ctime': 1246663897.4275661, 'tahoe': {'linkmotime': 1246663897.4275661, 'linkcrtime': 1246663897.4275661}, 'mtime': 1246663897.4275661}
725 self.failUnlessEqual(file1_metadata, children[u'file1'][1])
726 self.failUnlessEqual(file1_rocap,
727 children[u'file1'][0].get_readonly_uri())
728 self.failUnlessEqual(file1_rwcap,
729 children[u'file1'][0].get_uri())
731 def test_caching_dict(self):
732 d = dirnode.CachingDict()
733 d.set_both_items("test", "test2", ("test3", "test4"))
734 cached, value = d.get_both_items("test")
736 self.failUnlessEqual(cached, "test2")
737 self.failUnlessEqual(value, ("test3", "test4"))
739 d['test'] = ("test3", "test2")
741 cached, value = d.get_both_items("test")
743 self.failUnlessEqual(cached, None)
744 self.failUnlessEqual(value, ("test3", "test2"))
746 class FakeMutableFile:
748 def __init__(self, initial_contents=""):
749 self.data = initial_contents
750 counter = FakeMutableFile.counter
751 FakeMutableFile.counter += 1
752 writekey = hashutil.ssk_writekey_hash(str(counter))
753 fingerprint = hashutil.ssk_pubkey_fingerprint_hash(str(counter))
754 self.uri = uri.WriteableSSKFileURI(writekey, fingerprint)
756 return self.uri.to_string()
757 def download_best_version(self):
758 return defer.succeed(self.data)
759 def get_writekey(self):
761 def is_readonly(self):
763 def is_mutable(self):
765 def modify(self, modifier):
766 self.data = modifier(self.data, None, True)
767 return defer.succeed(None)
769 class FakeNodeMaker(NodeMaker):
770 def create_mutable_file(self, contents="", keysize=None):
771 return defer.succeed(FakeMutableFile(contents))
773 class FakeClient2(Client):
775 self.nodemaker = FakeNodeMaker(None, None, None,
777 {"k":3,"n":10}, None)
778 def create_node_from_uri(self, rwcap, rocap):
779 return self.nodemaker.create_from_cap(rwcap, rocap)
781 class Dirnode2(unittest.TestCase, testutil.ShouldFailMixin):
783 self.client = FakeClient2()
784 self.nodemaker = self.client.nodemaker
786 def test_from_future(self):
787 # create a dirnode that contains unknown URI types, and make sure we
788 # tolerate them properly. Since dirnodes aren't allowed to add
789 # unknown node types, we have to be tricky.
790 d = self.nodemaker.create_new_mutable_directory()
791 future_writecap = "x-tahoe-crazy://I_am_from_the_future."
792 future_readcap = "x-tahoe-crazy-readonly://I_am_from_the_future."
793 future_node = UnknownNode(future_writecap, future_readcap)
796 return n.set_node(u"future", future_node)
799 # we should be prohibited from adding an unknown URI to a directory,
800 # since we don't know how to diminish the cap to a readcap (for the
801 # dirnode's rocap slot), and we don't want to accidentally grant
802 # write access to a holder of the dirnode's readcap.
803 d.addCallback(lambda ign:
804 self.shouldFail(CannotPackUnknownNodeError,
806 "cannot pack unknown node as child add",
807 self._node.set_uri, u"add", future_writecap))
808 d.addCallback(lambda ign: self._node.list())
809 def _check(children):
810 self.failUnlessEqual(len(children), 1)
811 (fn, metadata) = children[u"future"]
812 self.failUnless(isinstance(fn, UnknownNode), fn)
813 self.failUnlessEqual(fn.get_uri(), future_writecap)
814 self.failUnlessEqual(fn.get_readonly_uri(), future_readcap)
815 # but we *should* be allowed to copy this node, because the
816 # UnknownNode contains all the information that was in the
817 # original directory (readcap and writecap), so we're preserving
819 return self._node.set_node(u"copy", fn)
820 d.addCallback(_check)
821 d.addCallback(lambda ign: self._node.list())
822 def _check2(children):
823 self.failUnlessEqual(len(children), 2)
824 (fn, metadata) = children[u"copy"]
825 self.failUnless(isinstance(fn, UnknownNode), fn)
826 self.failUnlessEqual(fn.get_uri(), future_writecap)
827 self.failUnlessEqual(fn.get_readonly_uri(), future_readcap)
830 class DeepStats(unittest.TestCase):
831 timeout = 240 # It takes longer than 120 seconds on Francois's arm box.
832 def test_stats(self):
833 ds = dirnode.DeepStats(None)
834 ds.add("count-files")
835 ds.add("size-immutable-files", 123)
836 ds.histogram("size-files-histogram", 123)
837 ds.max("largest-directory", 444)
840 self.failUnlessEqual(s["count-files"], 1)
841 self.failUnlessEqual(s["size-immutable-files"], 123)
842 self.failUnlessEqual(s["largest-directory"], 444)
843 self.failUnlessEqual(s["count-literal-files"], 0)
845 ds.add("count-files")
846 ds.add("size-immutable-files", 321)
847 ds.histogram("size-files-histogram", 321)
848 ds.max("largest-directory", 2)
851 self.failUnlessEqual(s["count-files"], 2)
852 self.failUnlessEqual(s["size-immutable-files"], 444)
853 self.failUnlessEqual(s["largest-directory"], 444)
854 self.failUnlessEqual(s["count-literal-files"], 0)
855 self.failUnlessEqual(s["size-files-histogram"],
856 [ (101, 316, 1), (317, 1000, 1) ])
858 ds = dirnode.DeepStats(None)
859 for i in range(1, 1100):
860 ds.histogram("size-files-histogram", i)
861 ds.histogram("size-files-histogram", 4*1000*1000*1000*1000) # 4TB
863 self.failUnlessEqual(s["size-files-histogram"],
871 (3162277660169L, 10000000000000L, 1),
874 class UCWEingMutableFileNode(MutableFileNode):
875 please_ucwe_after_next_upload = False
877 def _upload(self, new_contents, servermap):
878 d = MutableFileNode._upload(self, new_contents, servermap)
880 if self.please_ucwe_after_next_upload:
881 self.please_ucwe_after_next_upload = False
882 raise UncoordinatedWriteError()
887 class UCWEingNodeMaker(NodeMaker):
888 def _create_mutable(self, cap):
889 n = UCWEingMutableFileNode(self.storage_broker, self.secret_holder,
890 self.default_encoding_parameters,
892 return n.init_from_uri(cap)
895 class Deleter(GridTestMixin, unittest.TestCase):
896 timeout = 3600 # It takes longer than 433 seconds on Zandr's ARM box.
897 def test_retry(self):
898 # ticket #550, a dirnode.delete which experiences an
899 # UncoordinatedWriteError will fail with an incorrect "you're
900 # deleting something which isn't there" NoSuchChildError exception.
902 # to trigger this, we start by creating a directory with a single
903 # file in it. Then we create a special dirnode that uses a modified
904 # MutableFileNode which will raise UncoordinatedWriteError once on
905 # demand. We then call dirnode.delete, which ought to retry and
908 self.basedir = self.mktemp()
910 c0 = self.g.clients[0]
911 d = c0.create_empty_dirnode()
912 small = upload.Data("Small enough for a LIT", None)
913 def _created_dir(dn):
915 self.root_uri = dn.get_uri()
916 return dn.add_file(u"file", small)
917 d.addCallback(_created_dir)
918 def _do_delete(ignored):
919 nm = UCWEingNodeMaker(c0.storage_broker, c0._secret_holder,
920 c0.get_history(), c0.getServiceNamed("uploader"),
921 c0.getServiceNamed("downloader"),
922 c0.download_cache_dirman,
923 c0.get_encoding_parameters(),
925 n = nm.create_from_cap(self.root_uri)
926 assert n._node.please_ucwe_after_next_upload == False
927 n._node.please_ucwe_after_next_upload = True
928 # This should succeed, not raise an exception
929 return n.delete(u"file")
930 d.addCallback(_do_delete)
934 class Adder(GridTestMixin, unittest.TestCase, testutil.ShouldFailMixin):
936 def test_overwrite(self):
937 # note: This functionality could be tested without actually creating
938 # several RSA keys. It would be faster without the GridTestMixin: use
939 # dn.set_node(nodemaker.create_from_cap(make_chk_file_uri())) instead
940 # of dn.add_file, and use a special NodeMaker that creates fake
942 self.basedir = "dirnode/Adder/test_overwrite"
944 c = self.g.clients[0]
945 fileuri = make_chk_file_uri(1234)
946 filenode = c.nodemaker.create_from_cap(fileuri)
947 d = c.create_empty_dirnode()
949 def _create_directory_tree(root_node):
954 d = root_node.add_file(u'file1', upload.Data("Important Things",
956 d.addCallback(lambda res:
957 root_node.add_file(u'file2', upload.Data("Sekrit Codes", None)))
958 d.addCallback(lambda res:
959 root_node.create_empty_directory(u"dir1"))
960 d.addCallback(lambda res: root_node)
963 d.addCallback(_create_directory_tree)
965 def _test_adder(root_node):
966 d = root_node.set_node(u'file1', filenode)
967 # We've overwritten file1. Let's try it with a directory
968 d.addCallback(lambda res:
969 root_node.create_empty_directory(u'dir2'))
970 d.addCallback(lambda res:
971 root_node.set_node(u'dir2', filenode))
972 # We try overwriting a file with a child while also specifying
973 # overwrite=False. We should receive an ExistingChildError
975 d.addCallback(lambda res:
976 self.shouldFail(ExistingChildError, "set_node",
977 "child 'file1' already exists",
978 root_node.set_node, u"file1",
979 filenode, overwrite=False))
980 # If we try with a directory, we should see the same thing
981 d.addCallback(lambda res:
982 self.shouldFail(ExistingChildError, "set_node",
983 "child 'dir1' already exists",
984 root_node.set_node, u'dir1', filenode,
986 d.addCallback(lambda res:
987 root_node.set_node(u'file1', filenode,
988 overwrite="only-files"))
989 d.addCallback(lambda res:
990 self.shouldFail(ExistingChildError, "set_node",
991 "child 'dir1' already exists",
992 root_node.set_node, u'dir1', filenode,
993 overwrite="only-files"))
996 d.addCallback(_test_adder)