services/fuse/tests/test_mount.py

   1 import arvados
   2 import arvados.safeapi
   3 import arvados_fuse as fuse
   4 import glob
   5 import json
   6 import llfuse
   7 import os
   8 import shutil
   9 import subprocess
  10 import sys
  11 import tempfile
  12 import threading
  13 import time
  14 import unittest
  15 import logging
  16
  17 import run_test_server
  18
  19 logger = logging.getLogger('arvados.arv-mount')
  20
  21 class MountTestBase(unittest.TestCase):
  22     def setUp(self):
  23         self.keeptmp = tempfile.mkdtemp()
  24         os.environ['KEEP_LOCAL_STORE'] = self.keeptmp
  25         self.mounttmp = tempfile.mkdtemp()
  26         run_test_server.run()
  27         run_test_server.authorize_with("admin")
  28         self.api = arvados.safeapi.ThreadSafeApiCache(arvados.config.settings())
  29
  30     def make_mount(self, root_class, **root_kwargs):
  31         operations = fuse.Operations(os.getuid(), os.getgid(), inode_cache=2)
  32         operations.inodes.add_entry(root_class(
  33             llfuse.ROOT_INODE, operations.inodes, self.api, 0, **root_kwargs))
  34         llfuse.init(operations, self.mounttmp, ['debug'])
  35         threading.Thread(None, llfuse.main).start()
  36         # wait until the driver is finished initializing
  37         operations.initlock.wait()
  38         return operations.inodes[llfuse.ROOT_INODE]
  39
  40     def tearDown(self):
  41         # llfuse.close is buggy, so use fusermount instead.
  42         #llfuse.close(unmount=True)
  43         count = 0
  44         success = 1
  45         while (count < 9 and success != 0):
  46           success = subprocess.call(["fusermount", "-u", self.mounttmp])
  47           time.sleep(0.5)
  48           count += 1
  49
  50         os.rmdir(self.mounttmp)
  51         shutil.rmtree(self.keeptmp)
  52         run_test_server.reset()
  53
  54     def assertDirContents(self, subdir, expect_content):
  55         path = self.mounttmp
  56         if subdir:
  57             path = os.path.join(path, subdir)
  58         self.assertEqual(sorted(expect_content), sorted(os.listdir(path)))
  59
  60
  61 class FuseMountTest(MountTestBase):
  62     def setUp(self):
  63         super(FuseMountTest, self).setUp()
  64
  65         cw = arvados.CollectionWriter()
  66
  67         cw.start_new_file('thing1.txt')
  68         cw.write("data 1")
  69         cw.start_new_file('thing2.txt')
  70         cw.write("data 2")
  71         cw.start_new_stream('dir1')
  72
  73         cw.start_new_file('thing3.txt')
  74         cw.write("data 3")
  75         cw.start_new_file('thing4.txt')
  76         cw.write("data 4")
  77
  78         cw.start_new_stream('dir2')
  79         cw.start_new_file('thing5.txt')
  80         cw.write("data 5")
  81         cw.start_new_file('thing6.txt')
  82         cw.write("data 6")
  83
  84         cw.start_new_stream('dir2/dir3')
  85         cw.start_new_file('thing7.txt')
  86         cw.write("data 7")
  87
  88         cw.start_new_file('thing8.txt')
  89         cw.write("data 8")
  90
  91         cw.start_new_stream('edgecases')
  92         for f in ":/./../.../-/*/\x01\\/ ".split("/"):
  93             cw.start_new_file(f)
  94             cw.write('x')
  95
  96         for f in ":/../.../-/*/\x01\\/ ".split("/"):
  97             cw.start_new_stream('edgecases/dirs/' + f)
  98             cw.start_new_file('x/x')
  99             cw.write('x')
 100
 101         self.testcollection = cw.finish()
 102         self.api.collections().create(body={"manifest_text":cw.manifest_text()}).execute()
 103
 104     def runTest(self):
 105         self.make_mount(fuse.CollectionDirectory, collection_record=self.testcollection)
 106
 107         self.assertDirContents(None, ['thing1.txt', 'thing2.txt',
 108                                       'edgecases', 'dir1', 'dir2'])
 109         self.assertDirContents('dir1', ['thing3.txt', 'thing4.txt'])
 110         self.assertDirContents('dir2', ['thing5.txt', 'thing6.txt', 'dir3'])
 111         self.assertDirContents('dir2/dir3', ['thing7.txt', 'thing8.txt'])
 112         self.assertDirContents('edgecases',
 113                                "dirs/:/_/__/.../-/*/\x01\\/ ".split("/"))
 114         self.assertDirContents('edgecases/dirs',
 115                                ":/__/.../-/*/\x01\\/ ".split("/"))
 116
 117         files = {'thing1.txt': 'data 1',
 118                  'thing2.txt': 'data 2',
 119                  'dir1/thing3.txt': 'data 3',
 120                  'dir1/thing4.txt': 'data 4',
 121                  'dir2/thing5.txt': 'data 5',
 122                  'dir2/thing6.txt': 'data 6',
 123                  'dir2/dir3/thing7.txt': 'data 7',
 124                  'dir2/dir3/thing8.txt': 'data 8'}
 125
 126         for k, v in files.items():
 127             with open(os.path.join(self.mounttmp, k)) as f:
 128                 self.assertEqual(v, f.read())
 129
 130
 131 class FuseNoAPITest(MountTestBase):
 132     def setUp(self):
 133         super(FuseNoAPITest, self).setUp()
 134         keep = arvados.keep.KeepClient(local_store=self.keeptmp)
 135         self.file_data = "API-free text\n"
 136         self.file_loc = keep.put(self.file_data)
 137         self.coll_loc = keep.put(". {} 0:{}:api-free.txt\n".format(
 138                 self.file_loc, len(self.file_data)))
 139
 140     def runTest(self):
 141         self.make_mount(fuse.MagicDirectory)
 142         self.assertDirContents(self.coll_loc, ['api-free.txt'])
 143         with open(os.path.join(
 144                 self.mounttmp, self.coll_loc, 'api-free.txt')) as keep_file:
 145             actual = keep_file.read(-1)
 146         self.assertEqual(self.file_data, actual)
 147
 148
 149 class FuseMagicTest(MountTestBase):
 150     def setUp(self):
 151         super(FuseMagicTest, self).setUp()
 152
 153         cw = arvados.CollectionWriter()
 154
 155         cw.start_new_file('thing1.txt')
 156         cw.write("data 1")
 157
 158         self.testcollection = cw.finish()
 159         self.api.collections().create(body={"manifest_text":cw.manifest_text()}).execute()
 160
 161     def runTest(self):
 162         self.make_mount(fuse.MagicDirectory)
 163
 164         mount_ls = os.listdir(self.mounttmp)
 165         self.assertIn('README', mount_ls)
 166         self.assertFalse(any(arvados.util.keep_locator_pattern.match(fn) or
 167                              arvados.util.uuid_pattern.match(fn)
 168                              for fn in mount_ls),
 169                          "new FUSE MagicDirectory lists Collection")
 170         self.assertDirContents(self.testcollection, ['thing1.txt'])
 171         self.assertDirContents(os.path.join('by_id', self.testcollection),
 172                                ['thing1.txt'])
 173         mount_ls = os.listdir(self.mounttmp)
 174         self.assertIn('README', mount_ls)
 175         self.assertIn(self.testcollection, mount_ls)
 176         self.assertIn(self.testcollection,
 177                       os.listdir(os.path.join(self.mounttmp, 'by_id')))
 178
 179         files = {}
 180         files[os.path.join(self.mounttmp, self.testcollection, 'thing1.txt')] = 'data 1'
 181
 182         for k, v in files.items():
 183             with open(os.path.join(self.mounttmp, k)) as f:
 184                 self.assertEqual(v, f.read())
 185
 186
 187 class FuseTagsTest(MountTestBase):
 188     def runTest(self):
 189         self.make_mount(fuse.TagsDirectory)
 190
 191         d1 = os.listdir(self.mounttmp)
 192         d1.sort()
 193         self.assertEqual(['foo_tag'], d1)
 194
 195         d2 = os.listdir(os.path.join(self.mounttmp, 'foo_tag'))
 196         d2.sort()
 197         self.assertEqual(['zzzzz-4zz18-fy296fx3hot09f7'], d2)
 198
 199         d3 = os.listdir(os.path.join(self.mounttmp, 'foo_tag', 'zzzzz-4zz18-fy296fx3hot09f7'))
 200         d3.sort()
 201         self.assertEqual(['foo'], d3)
 202
 203
 204 class FuseTagsUpdateTest(MountTestBase):
 205     def tag_collection(self, coll_uuid, tag_name):
 206         return self.api.links().create(
 207             body={'link': {'head_uuid': coll_uuid,
 208                            'link_class': 'tag',
 209                            'name': tag_name,
 210         }}).execute()
 211
 212     def runTest(self):
 213         self.make_mount(fuse.TagsDirectory, poll_time=1)
 214
 215         self.assertIn('foo_tag', os.listdir(self.mounttmp))
 216
 217         bar_uuid = run_test_server.fixture('collections')['bar_file']['uuid']
 218         self.tag_collection(bar_uuid, 'fuse_test_tag')
 219         time.sleep(1)
 220         self.assertIn('fuse_test_tag', os.listdir(self.mounttmp))
 221         self.assertDirContents('fuse_test_tag', [bar_uuid])
 222
 223         baz_uuid = run_test_server.fixture('collections')['baz_file']['uuid']
 224         l = self.tag_collection(baz_uuid, 'fuse_test_tag')
 225         time.sleep(1)
 226         self.assertDirContents('fuse_test_tag', [bar_uuid, baz_uuid])
 227
 228         self.api.links().delete(uuid=l['uuid']).execute()
 229         time.sleep(1)
 230         self.assertDirContents('fuse_test_tag', [bar_uuid])
 231
 232
 233 class FuseSharedTest(MountTestBase):
 234     def runTest(self):
 235         self.make_mount(fuse.SharedDirectory,
 236                         exclude=self.api.users().current().execute()['uuid'])
 237
 238         # shared_dirs is a list of the directories exposed
 239         # by fuse.SharedDirectory (i.e. any object visible
 240         # to the current user)
 241         shared_dirs = os.listdir(self.mounttmp)
 242         shared_dirs.sort()
 243         self.assertIn('FUSE User', shared_dirs)
 244
 245         # fuse_user_objs is a list of the objects owned by the FUSE
 246         # test user (which present as files in the 'FUSE User'
 247         # directory)
 248         fuse_user_objs = os.listdir(os.path.join(self.mounttmp, 'FUSE User'))
 249         fuse_user_objs.sort()
 250         self.assertEqual(['FUSE Test Project',                    # project owned by user
 251                           'collection #1 owned by FUSE',          # collection owned by user
 252                           'collection #2 owned by FUSE',          # collection owned by user
 253                           'pipeline instance owned by FUSE.pipelineInstance',  # pipeline instance owned by user
 254                       ], fuse_user_objs)
 255
 256         # test_proj_files is a list of the files in the FUSE Test Project.
 257         test_proj_files = os.listdir(os.path.join(self.mounttmp, 'FUSE User', 'FUSE Test Project'))
 258         test_proj_files.sort()
 259         self.assertEqual(['collection in FUSE project',
 260                           'pipeline instance in FUSE project.pipelineInstance',
 261                           'pipeline template in FUSE project.pipelineTemplate'
 262                       ], test_proj_files)
 263
 264         # Double check that we can open and read objects in this folder as a file,
 265         # and that its contents are what we expect.
 266         pipeline_template_path = os.path.join(
 267                 self.mounttmp,
 268                 'FUSE User',
 269                 'FUSE Test Project',
 270                 'pipeline template in FUSE project.pipelineTemplate')
 271         with open(pipeline_template_path) as f:
 272             j = json.load(f)
 273             self.assertEqual("pipeline template in FUSE project", j['name'])
 274
 275         # check mtime on template
 276         st = os.stat(pipeline_template_path)
 277         self.assertEqual(st.st_mtime, 1397493304)
 278
 279         # check mtime on collection
 280         st = os.stat(os.path.join(
 281                 self.mounttmp,
 282                 'FUSE User',
 283                 'collection #1 owned by FUSE'))
 284         self.assertEqual(st.st_mtime, 1391448174)
 285
 286
 287 class FuseHomeTest(MountTestBase):
 288     def runTest(self):
 289         self.make_mount(fuse.ProjectDirectory,
 290                         project_object=self.api.users().current().execute())
 291
 292         d1 = os.listdir(self.mounttmp)
 293         self.assertIn('Unrestricted public data', d1)
 294
 295         d2 = os.listdir(os.path.join(self.mounttmp, 'Unrestricted public data'))
 296         public_project = run_test_server.fixture('groups')[
 297             'anonymously_accessible_project']
 298         found_in = 0
 299         found_not_in = 0
 300         for name, item in run_test_server.fixture('collections').iteritems():
 301             if 'name' not in item:
 302                 pass
 303             elif item['owner_uuid'] == public_project['uuid']:
 304                 self.assertIn(item['name'], d2)
 305                 found_in += 1
 306             else:
 307                 # Artificial assumption here: there is no public
 308                 # collection fixture with the same name as a
 309                 # non-public collection.
 310                 self.assertNotIn(item['name'], d2)
 311                 found_not_in += 1
 312         self.assertNotEqual(0, found_in)
 313         self.assertNotEqual(0, found_not_in)
 314
 315         d3 = os.listdir(os.path.join(self.mounttmp, 'Unrestricted public data', 'GNU General Public License, version 3'))
 316         self.assertEqual(["GNU_General_Public_License,_version_3.pdf"], d3)
 317
 318 class FuseUpdateFileTest(MountTestBase):
 319     def runTest(self):
 320         collection = arvados.collection.Collection(api_client=self.api)
 321         with collection.open("file1.txt", "w") as f:
 322             f.write("blub")
 323
 324         collection.save_new()
 325
 326         m = self.make_mount(fuse.CollectionDirectory)
 327         with llfuse.lock:
 328             m.new_collection(None, collection)
 329
 330         d1 = os.listdir(self.mounttmp)
 331         self.assertEqual(["file1.txt"], d1)
 332         with open(os.path.join(self.mounttmp, "file1.txt")) as f:
 333             self.assertEqual("blub", f.read())
 334
 335         with collection.open("file1.txt", "w") as f:
 336             f.write("plnp")
 337
 338         d1 = os.listdir(self.mounttmp)
 339         self.assertEqual(["file1.txt"], d1)
 340         with open(os.path.join(self.mounttmp, "file1.txt")) as f:
 341             self.assertEqual("plnp", f.read())
 342
 343 class FuseAddFileToCollectionTest(MountTestBase):
 344     def runTest(self):
 345         collection = arvados.collection.Collection(api_client=self.api)
 346         with collection.open("file1.txt", "w") as f:
 347             f.write("blub")
 348
 349         collection.save_new()
 350
 351         m = self.make_mount(fuse.CollectionDirectory)
 352         with llfuse.lock:
 353             m.new_collection(None, collection)
 354
 355         d1 = os.listdir(self.mounttmp)
 356         self.assertEqual(["file1.txt"], d1)
 357
 358         with collection.open("file2.txt", "w") as f:
 359             f.write("plnp")
 360
 361         d1 = os.listdir(self.mounttmp)
 362         self.assertEqual(["file1.txt", "file2.txt"], sorted(d1))
 363
 364 class FuseRemoveFileFromCollectionTest(MountTestBase):
 365     def runTest(self):
 366         collection = arvados.collection.Collection(api_client=self.api)
 367         with collection.open("file1.txt", "w") as f:
 368             f.write("blub")
 369
 370         with collection.open("file2.txt", "w") as f:
 371             f.write("plnp")
 372
 373         collection.save_new()
 374
 375         m = self.make_mount(fuse.CollectionDirectory)
 376         with llfuse.lock:
 377             m.new_collection(None, collection)
 378
 379         d1 = os.listdir(self.mounttmp)
 380         self.assertEqual(["file1.txt", "file2.txt"], sorted(d1))
 381
 382         collection.remove("file2.txt")
 383
 384         d1 = os.listdir(self.mounttmp)
 385         self.assertEqual(["file1.txt"], d1)
 386
 387 class FuseCreateFileTest(MountTestBase):
 388     def runTest(self):
 389         collection = arvados.collection.Collection(api_client=self.api)
 390         collection.save_new()
 391
 392         collection2 = self.api.collections().get(uuid=collection.manifest_locator()).execute()
 393         self.assertEqual(collection2["manifest_text"], "")
 394
 395         collection.save_new()
 396
 397         m = self.make_mount(fuse.CollectionDirectory)
 398         with llfuse.lock:
 399             m.new_collection(None, collection)
 400         self.assertTrue(m.writable())
 401
 402         self.assertNotIn("file1.txt", collection)
 403
 404         with open(os.path.join(self.mounttmp, "file1.txt"), "w") as f:
 405             pass
 406
 407         self.assertIn("file1.txt", collection)
 408
 409         d1 = os.listdir(self.mounttmp)
 410         self.assertEqual(["file1.txt"], d1)
 411
 412         collection2 = self.api.collections().get(uuid=collection.manifest_locator()).execute()
 413         self.assertRegexpMatches(collection2["manifest_text"],
 414             r'\. d41d8cd98f00b204e9800998ecf8427e\+0\+A[a-f0-9]{40}@[a-f0-9]{8} 0:0:file1\.txt$')
 415
 416
 417 class FuseWriteFileTest(MountTestBase):
 418     def runTest(self):
 419         arvados.logger.setLevel(logging.DEBUG)
 420
 421         collection = arvados.collection.Collection(api_client=self.api)
 422         collection.save_new()
 423
 424         m = self.make_mount(fuse.CollectionDirectory)
 425         with llfuse.lock:
 426             m.new_collection(None, collection)
 427         self.assertTrue(m.writable())
 428
 429         self.assertNotIn("file1.txt", collection)
 430
 431         with open(os.path.join(self.mounttmp, "file1.txt"), "w") as f:
 432             f.write("Hello world!")
 433
 434         with collection.open("file1.txt") as f:
 435             self.assertEqual(f.read(), "Hello world!")
 436
 437         with open(os.path.join(self.mounttmp, "file1.txt"), "r") as f:
 438             self.assertEqual(f.read(), "Hello world!")
 439
 440         collection2 = self.api.collections().get(uuid=collection.manifest_locator()).execute()
 441         self.assertRegexpMatches(collection2["manifest_text"],
 442             r'\. 86fb269d190d2c85f6e0468ceca42a20\+12\+A[a-f0-9]{40}@[a-f0-9]{8} 0:12:file1\.txt$')
 443
 444
 445 class FuseUpdateFileTest(MountTestBase):
 446     def runTest(self):
 447         arvados.logger.setLevel(logging.DEBUG)
 448
 449         collection = arvados.collection.Collection(api_client=self.api)
 450         collection.save_new()
 451
 452         m = self.make_mount(fuse.CollectionDirectory)
 453         with llfuse.lock:
 454             m.new_collection(None, collection)
 455         self.assertTrue(m.writable())
 456
 457         with open(os.path.join(self.mounttmp, "file1.txt"), "w") as f:
 458             f.write("Hello world!")
 459
 460         with open(os.path.join(self.mounttmp, "file1.txt"), "r+") as f:
 461             self.assertEqual(f.read(), "Hello world!")
 462             f.seek(0)
 463             f.write("Hola mundo!")
 464             f.seek(0)
 465             self.assertEqual(f.read(), "Hola mundo!!")
 466
 467         with open(os.path.join(self.mounttmp, "file1.txt"), "r") as f:
 468             self.assertEqual(f.read(), "Hola mundo!")
 469
 470         collection2 = self.api.collections().get(uuid=collection.manifest_locator()).execute()
 471         self.assertRegexpMatches(collection2["manifest_text"],
 472             r'\. 86fb269d190d2c85f6e0468ceca42a20\+12\+A[a-f0-9]{40}@[a-f0-9]{8} 0:12:file1\.txt$')
 473
 474
 475 class FuseMkdirTest(MountTestBase):
 476     def runTest(self):
 477         arvados.logger.setLevel(logging.DEBUG)
 478
 479         collection = arvados.collection.Collection(api_client=self.api)
 480         collection.save_new()
 481
 482         m = self.make_mount(fuse.CollectionDirectory)
 483         with llfuse.lock:
 484             m.new_collection(None, collection)
 485         self.assertTrue(m.writable())
 486
 487         with self.assertRaises(IOError):
 488             with open(os.path.join(self.mounttmp, "testdir", "file1.txt"), "w") as f:
 489                 f.write("Hello world!")
 490
 491         os.mkdir(os.path.join(self.mounttmp, "testdir"))
 492
 493         with self.assertRaises(OSError):
 494             os.mkdir(os.path.join(self.mounttmp, "testdir"))
 495
 496         d1 = os.listdir(self.mounttmp)
 497         self.assertEqual(["testdir"], d1)
 498
 499         with open(os.path.join(self.mounttmp, "testdir", "file1.txt"), "w") as f:
 500             f.write("Hello world!")
 501
 502         d1 = os.listdir(os.path.join(self.mounttmp, "testdir"))
 503         self.assertEqual(["file1.txt"], d1)
 504
 505         collection2 = self.api.collections().get(uuid=collection.manifest_locator()).execute()
 506         self.assertRegexpMatches(collection2["manifest_text"],
 507             r'\./testdir 86fb269d190d2c85f6e0468ceca42a20\+12\+A[a-f0-9]{40}@[a-f0-9]{8} 0:12:file1\.txt$')
 508
 509
 510 class FuseRmTest(MountTestBase):
 511     def runTest(self):
 512         arvados.logger.setLevel(logging.DEBUG)
 513
 514         collection = arvados.collection.Collection(api_client=self.api)
 515         collection.save_new()
 516
 517         m = self.make_mount(fuse.CollectionDirectory)
 518         with llfuse.lock:
 519             m.new_collection(None, collection)
 520         self.assertTrue(m.writable())
 521
 522         os.mkdir(os.path.join(self.mounttmp, "testdir"))
 523
 524         with open(os.path.join(self.mounttmp, "testdir", "file1.txt"), "w") as f:
 525             f.write("Hello world!")
 526
 527         # Starting manifest
 528         collection2 = self.api.collections().get(uuid=collection.manifest_locator()).execute()
 529         self.assertRegexpMatches(collection2["manifest_text"],
 530             r'\./testdir 86fb269d190d2c85f6e0468ceca42a20\+12\+A[a-f0-9]{40}@[a-f0-9]{8} 0:12:file1\.txt$')
 531
 532         # Can't delete because it's not empty
 533         with self.assertRaises(OSError):
 534             os.rmdir(os.path.join(self.mounttmp, "testdir"))
 535
 536         d1 = os.listdir(os.path.join(self.mounttmp, "testdir"))
 537         self.assertEqual(["file1.txt"], d1)
 538
 539         # Delete file
 540         os.remove(os.path.join(self.mounttmp, "testdir", "file1.txt"))
 541
 542         # Make sure it's empty
 543         d1 = os.listdir(os.path.join(self.mounttmp, "testdir"))
 544         self.assertEqual([], d1)
 545
 546         # Try to delete it again
 547         with self.assertRaises(OSError):
 548             os.remove(os.path.join(self.mounttmp, "testdir", "file1.txt"))
 549
 550         # Can't have empty directories :-( so manifest will be empty.
 551         collection2 = self.api.collections().get(uuid=collection.manifest_locator()).execute()
 552         self.assertEqual(collection2["manifest_text"], "")
 553
 554         # Should be able to delete now that it is empty
 555         os.rmdir(os.path.join(self.mounttmp, "testdir"))
 556
 557         # Make sure it's empty
 558         d1 = os.listdir(os.path.join(self.mounttmp))
 559         self.assertEqual([], d1)
 560
 561         # Try to delete it again
 562         with self.assertRaises(OSError):
 563             os.rmdir(os.path.join(self.mounttmp, "testdir"))
 564
 565         # manifest should be empty now.
 566         collection2 = self.api.collections().get(uuid=collection.manifest_locator()).execute()
 567         self.assertEqual(collection2["manifest_text"], "")
 568
 569
 570 class FuseMvTest(MountTestBase):
 571     def runTest(self):
 572         arvados.logger.setLevel(logging.DEBUG)
 573
 574         collection = arvados.collection.Collection(api_client=self.api)
 575         collection.save_new()
 576
 577         m = self.make_mount(fuse.CollectionDirectory)
 578         with llfuse.lock:
 579             m.new_collection(None, collection)
 580         self.assertTrue(m.writable())
 581
 582         os.mkdir(os.path.join(self.mounttmp, "testdir"))
 583
 584         with open(os.path.join(self.mounttmp, "testdir", "file1.txt"), "w") as f:
 585             f.write("Hello world!")
 586
 587         # Starting manifest
 588         collection2 = self.api.collections().get(uuid=collection.manifest_locator()).execute()
 589         self.assertRegexpMatches(collection2["manifest_text"],
 590             r'\./testdir 86fb269d190d2c85f6e0468ceca42a20\+12\+A[a-f0-9]{40}@[a-f0-9]{8} 0:12:file1\.txt$')
 591
 592         d1 = os.listdir(os.path.join(self.mounttmp))
 593         self.assertEqual(["testdir"], d1)
 594         d1 = os.listdir(os.path.join(self.mounttmp, "testdir"))
 595         self.assertEqual(["file1.txt"], d1)
 596
 597         os.rename(os.path.join(self.mounttmp, "testdir", "file1.txt"), os.path.join(self.mounttmp, "file1.txt"))
 598
 599         d1 = os.listdir(os.path.join(self.mounttmp))
 600         self.assertEqual(["file1.txt", "testdir"], sorted(d1))
 601         d1 = os.listdir(os.path.join(self.mounttmp, "testdir"))
 602         self.assertEqual([], d1)
 603
 604         collection2 = self.api.collections().get(uuid=collection.manifest_locator()).execute()
 605         self.assertRegexpMatches(collection2["manifest_text"],
 606             r'\. 86fb269d190d2c85f6e0468ceca42a20\+12\+A[a-f0-9]{40}@[a-f0-9]{8} 0:12:file1\.txt$')
 607
 608
 609 class FuseUnitTest(unittest.TestCase):
 610     def test_sanitize_filename(self):
 611         acceptable = [
 612             "foo.txt",
 613             ".foo",
 614             "..foo",
 615             "...",
 616             "foo...",
 617             "foo..",
 618             "foo.",
 619             "-",
 620             "\x01\x02\x03",
 621             ]
 622         unacceptable = [
 623             "f\00",
 624             "\00\00",
 625             "/foo",
 626             "foo/",
 627             "//",
 628             ]
 629         for f in acceptable:
 630             self.assertEqual(f, fuse.sanitize_filename(f))
 631         for f in unacceptable:
 632             self.assertNotEqual(f, fuse.sanitize_filename(f))
 633             # The sanitized filename should be the same length, though.
 634             self.assertEqual(len(f), len(fuse.sanitize_filename(f)))
 635         # Special cases
 636         self.assertEqual("_", fuse.sanitize_filename(""))
 637         self.assertEqual("_", fuse.sanitize_filename("."))
 638         self.assertEqual("__", fuse.sanitize_filename(".."))