# Copyright (C) The Arvados Authors. All rights reserved. # # SPDX-License-Identifier: AGPL-3.0 import errno import json import llfuse import logging import os import subprocess import time import unittest import tempfile from pathlib import Path from unittest import mock import arvados import arvados_fuse as fuse import parameterized from arvados_fuse import fusedir from . import run_test_server from .integration_test import IntegrationTest from .mount_test_base import MountTestBase from .test_tmp_collection import storage_classes_desired logger = logging.getLogger('arvados.arv-mount') class AssertWithTimeout(object): """Allow some time for an assertion to pass.""" def __init__(self, timeout=0): self.timeout = timeout def __iter__(self): self.deadline = time.time() + self.timeout self.done = False return self def __next__(self): if self.done: raise StopIteration return self.attempt def attempt(self, fn, *args, **kwargs): try: fn(*args, **kwargs) except AssertionError: if time.time() > self.deadline: raise time.sleep(0.1) else: self.done = True @parameterized.parameterized_class([{"disk_cache": True}, {"disk_cache": False}]) class FuseMountTest(MountTestBase): def setUp(self): super(FuseMountTest, self).setUp() cw = arvados.CollectionWriter() cw.start_new_file('thing1.txt') cw.write("data 1") cw.start_new_file('thing2.txt') cw.write("data 2") cw.start_new_stream('dir1') cw.start_new_file('thing3.txt') cw.write("data 3") cw.start_new_file('thing4.txt') cw.write("data 4") cw.start_new_stream('dir2') cw.start_new_file('thing5.txt') cw.write("data 5") cw.start_new_file('thing6.txt') cw.write("data 6") cw.start_new_stream('dir2/dir3') cw.start_new_file('thing7.txt') cw.write("data 7") cw.start_new_file('thing8.txt') cw.write("data 8") cw.start_new_stream('edgecases') for f in ":/.../-/*/ ".split("/"): cw.start_new_file(f) cw.write('x') for f in ":/.../-/*/ ".split("/"): cw.start_new_stream('edgecases/dirs/' + f) cw.start_new_file('x/x') cw.write('x') self.testcollection = cw.finish() self.api.collections().create(body={"manifest_text":cw.manifest_text()}).execute() def runTest(self): self.make_mount(fuse.CollectionDirectory, collection_record=self.testcollection) self.assertDirContents(None, ['thing1.txt', 'thing2.txt', 'edgecases', 'dir1', 'dir2']) self.assertDirContents('dir1', ['thing3.txt', 'thing4.txt']) self.assertDirContents('dir2', ['thing5.txt', 'thing6.txt', 'dir3']) self.assertDirContents('dir2/dir3', ['thing7.txt', 'thing8.txt']) self.assertDirContents('edgecases', "dirs/:/.../-/*/ ".split("/")) self.assertDirContents('edgecases/dirs', ":/.../-/*/ ".split("/")) files = {'thing1.txt': 'data 1', 'thing2.txt': 'data 2', 'dir1/thing3.txt': 'data 3', 'dir1/thing4.txt': 'data 4', 'dir2/thing5.txt': 'data 5', 'dir2/thing6.txt': 'data 6', 'dir2/dir3/thing7.txt': 'data 7', 'dir2/dir3/thing8.txt': 'data 8'} for k, v in files.items(): with open(os.path.join(self.mounttmp, k), 'rb') as f: self.assertEqual(v, f.read().decode()) @parameterized.parameterized_class([{"disk_cache": True}, {"disk_cache": False}]) class FuseMagicTest(MountTestBase): def setUp(self, api=None): super(FuseMagicTest, self).setUp(api=api) self.test_project = run_test_server.fixture('groups')['aproject']['uuid'] self.non_project_group = run_test_server.fixture('groups')['public_role']['uuid'] self.filter_group = run_test_server.fixture('groups')['afiltergroup']['uuid'] self.collection_in_test_project = run_test_server.fixture('collections')['foo_collection_in_aproject']['name'] self.collection_in_filter_group = run_test_server.fixture('collections')['baz_file']['name'] cw = arvados.CollectionWriter() cw.start_new_file('thing1.txt') cw.write("data 1") self.testcollection = cw.finish() self.test_manifest = cw.manifest_text() coll = self.api.collections().create(body={"manifest_text":self.test_manifest}).execute() self.test_manifest_pdh = coll['portable_data_hash'] def runTest(self): self.make_mount(fuse.MagicDirectory) mount_ls = llfuse.listdir(self.mounttmp) self.assertIn('README', mount_ls) self.assertFalse(any(arvados.util.keep_locator_pattern.match(fn) or arvados.util.uuid_pattern.match(fn) for fn in mount_ls), "new FUSE MagicDirectory has no collections or projects") self.assertDirContents(self.testcollection, ['thing1.txt']) self.assertDirContents(os.path.join('by_id', self.testcollection), ['thing1.txt']) self.assertIn(self.collection_in_test_project, llfuse.listdir(os.path.join(self.mounttmp, self.test_project))) self.assertIn(self.collection_in_test_project, llfuse.listdir(os.path.join(self.mounttmp, 'by_id', self.test_project))) self.assertIn(self.collection_in_filter_group, llfuse.listdir(os.path.join(self.mounttmp, self.filter_group))) self.assertIn(self.collection_in_filter_group, llfuse.listdir(os.path.join(self.mounttmp, 'by_id', self.filter_group))) mount_ls = llfuse.listdir(self.mounttmp) self.assertIn('README', mount_ls) self.assertIn(self.testcollection, mount_ls) self.assertIn(self.testcollection, llfuse.listdir(os.path.join(self.mounttmp, 'by_id'))) self.assertIn(self.test_project, mount_ls) self.assertIn(self.test_project, llfuse.listdir(os.path.join(self.mounttmp, 'by_id'))) self.assertIn(self.filter_group, llfuse.listdir(os.path.join(self.mounttmp, 'by_id'))) with self.assertRaises(OSError): llfuse.listdir(os.path.join(self.mounttmp, 'by_id', self.non_project_group)) files = {} files[os.path.join(self.mounttmp, self.testcollection, 'thing1.txt')] = 'data 1' for k, v in files.items(): with open(os.path.join(self.mounttmp, k), 'rb') as f: self.assertEqual(v, f.read().decode()) class FuseTagsTest(MountTestBase): def runTest(self): self.make_mount(fuse.TagsDirectory) d1 = llfuse.listdir(self.mounttmp) d1.sort() self.assertEqual(['foo_tag'], d1) d2 = llfuse.listdir(os.path.join(self.mounttmp, 'foo_tag')) d2.sort() self.assertEqual(['zzzzz-4zz18-fy296fx3hot09f7'], d2) d3 = llfuse.listdir(os.path.join(self.mounttmp, 'foo_tag', 'zzzzz-4zz18-fy296fx3hot09f7')) d3.sort() self.assertEqual(['foo'], d3) class FuseTagsUpdateTest(MountTestBase): def tag_collection(self, coll_uuid, tag_name): return self.api.links().create( body={'link': {'head_uuid': coll_uuid, 'link_class': 'tag', 'name': tag_name, }}).execute() def runTest(self): self.make_mount(fuse.TagsDirectory, poll_time=1) self.assertIn('foo_tag', llfuse.listdir(self.mounttmp)) bar_uuid = run_test_server.fixture('collections')['bar_file']['uuid'] self.tag_collection(bar_uuid, 'fuse_test_tag') for attempt in AssertWithTimeout(10): attempt(self.assertIn, 'fuse_test_tag', llfuse.listdir(self.mounttmp)) self.assertDirContents('fuse_test_tag', [bar_uuid]) baz_uuid = run_test_server.fixture('collections')['baz_file']['uuid'] l = self.tag_collection(baz_uuid, 'fuse_test_tag') for attempt in AssertWithTimeout(10): attempt(self.assertDirContents, 'fuse_test_tag', [bar_uuid, baz_uuid]) self.api.links().delete(uuid=l['uuid']).execute() for attempt in AssertWithTimeout(10): attempt(self.assertDirContents, 'fuse_test_tag', [bar_uuid]) def fuseSharedTestHelper(mounttmp): class Test(unittest.TestCase): def runTest(self): # Double check that we can open and read objects in this folder as a file, # and that its contents are what we expect. baz_path = os.path.join( mounttmp, 'FUSE User', 'FUSE Test Project', 'collection in FUSE project', 'baz') with open(baz_path) as f: self.assertEqual("baz", f.read()) # check mtime on collection st = os.stat(baz_path) try: mtime = st.st_mtime_ns // 1000000000 except AttributeError: mtime = st.st_mtime self.assertEqual(mtime, 1391448174) # shared_dirs is a list of the directories exposed # by fuse.SharedDirectory (i.e. any object visible # to the current user) shared_dirs = llfuse.listdir(mounttmp) shared_dirs.sort() self.assertIn('FUSE User', shared_dirs) # fuse_user_objs is a list of the objects owned by the FUSE # test user (which present as files in the 'FUSE User' # directory) fuse_user_objs = llfuse.listdir(os.path.join(mounttmp, 'FUSE User')) fuse_user_objs.sort() self.assertEqual(['FUSE Test Project', # project owned by user 'collection #1 owned by FUSE', # collection owned by user 'collection #2 owned by FUSE' # collection owned by user ], fuse_user_objs) # test_proj_files is a list of the files in the FUSE Test Project. test_proj_files = llfuse.listdir(os.path.join(mounttmp, 'FUSE User', 'FUSE Test Project')) test_proj_files.sort() self.assertEqual(['collection in FUSE project' ], test_proj_files) Test().runTest() @parameterized.parameterized_class([{"disk_cache": True}, {"disk_cache": False}]) class FuseSharedTest(MountTestBase): def runTest(self): self.make_mount(fuse.SharedDirectory, exclude=self.api.users().current().execute()['uuid']) keep = arvados.keep.KeepClient() keep.put("baz".encode()) self.pool.apply(fuseSharedTestHelper, (self.mounttmp,)) class FuseHomeTest(MountTestBase): def runTest(self): self.make_mount(fuse.ProjectDirectory, project_object=self.api.users().current().execute()) d1 = llfuse.listdir(self.mounttmp) self.assertIn('Unrestricted public data', d1) d2 = llfuse.listdir(os.path.join(self.mounttmp, 'Unrestricted public data')) public_project = run_test_server.fixture('groups')[ 'anonymously_accessible_project'] found_in = 0 found_not_in = 0 for name, item in run_test_server.fixture('collections').items(): if 'name' not in item: pass elif item['owner_uuid'] == public_project['uuid']: self.assertIn(item['name'], d2) found_in += 1 else: # Artificial assumption here: there is no public # collection fixture with the same name as a # non-public collection. self.assertNotIn(item['name'], d2) found_not_in += 1 self.assertNotEqual(0, found_in) self.assertNotEqual(0, found_not_in) d3 = llfuse.listdir(os.path.join(self.mounttmp, 'Unrestricted public data', 'GNU General Public License, version 3')) self.assertEqual(["GNU_General_Public_License,_version_3.pdf"], d3) def fuseModifyFileTestHelperReadStartContents(mounttmp): class Test(unittest.TestCase): def runTest(self): d1 = llfuse.listdir(mounttmp) self.assertEqual(["file1.txt"], d1) with open(os.path.join(mounttmp, "file1.txt")) as f: self.assertEqual("blub", f.read()) Test().runTest() def fuseModifyFileTestHelperReadEndContents(mounttmp): class Test(unittest.TestCase): def runTest(self): d1 = llfuse.listdir(mounttmp) self.assertEqual(["file1.txt"], d1) with open(os.path.join(mounttmp, "file1.txt")) as f: self.assertEqual("plnp", f.read()) Test().runTest() @parameterized.parameterized_class([{"disk_cache": True}, {"disk_cache": False}]) class FuseModifyFileTest(MountTestBase): def runTest(self): collection = arvados.collection.Collection(api_client=self.api) with collection.open("file1.txt", "w") as f: f.write("blub") collection.save_new() m = self.make_mount(fuse.CollectionDirectory) with llfuse.lock: m.new_collection(collection.api_response(), collection) self.pool.apply(fuseModifyFileTestHelperReadStartContents, (self.mounttmp,)) with collection.open("file1.txt", "w") as f: f.write("plnp") self.pool.apply(fuseModifyFileTestHelperReadEndContents, (self.mounttmp,)) @parameterized.parameterized_class([{"disk_cache": True}, {"disk_cache": False}]) class FuseAddFileToCollectionTest(MountTestBase): def runTest(self): collection = arvados.collection.Collection(api_client=self.api) with collection.open("file1.txt", "w") as f: f.write("blub") collection.save_new() m = self.make_mount(fuse.CollectionDirectory) with llfuse.lock: m.new_collection(collection.api_response(), collection) d1 = llfuse.listdir(self.mounttmp) self.assertEqual(["file1.txt"], d1) with collection.open("file2.txt", "w") as f: f.write("plnp") d1 = llfuse.listdir(self.mounttmp) self.assertEqual(["file1.txt", "file2.txt"], sorted(d1)) @parameterized.parameterized_class([{"disk_cache": True}, {"disk_cache": False}]) class FuseRemoveFileFromCollectionTest(MountTestBase): def runTest(self): collection = arvados.collection.Collection(api_client=self.api) with collection.open("file1.txt", "w") as f: f.write("blub") with collection.open("file2.txt", "w") as f: f.write("plnp") collection.save_new() m = self.make_mount(fuse.CollectionDirectory) with llfuse.lock: m.new_collection(collection.api_response(), collection) d1 = llfuse.listdir(self.mounttmp) self.assertEqual(["file1.txt", "file2.txt"], sorted(d1)) collection.remove("file2.txt") d1 = llfuse.listdir(self.mounttmp) self.assertEqual(["file1.txt"], d1) def fuseCreateFileTestHelper(mounttmp): class Test(unittest.TestCase): def runTest(self): with open(os.path.join(mounttmp, "file1.txt"), "w") as f: pass Test().runTest() @parameterized.parameterized_class([{"disk_cache": True}, {"disk_cache": False}]) class FuseCreateFileTest(MountTestBase): def runTest(self): collection = arvados.collection.Collection(api_client=self.api) collection.save_new() collection2 = self.api.collections().get(uuid=collection.manifest_locator()).execute() self.assertEqual(collection2["manifest_text"], "") collection.save_new() m = self.make_mount(fuse.CollectionDirectory) with llfuse.lock: m.new_collection(collection.api_response(), collection) self.assertTrue(m.writable()) self.assertNotIn("file1.txt", collection) self.pool.apply(fuseCreateFileTestHelper, (self.mounttmp,)) self.assertIn("file1.txt", collection) d1 = llfuse.listdir(self.mounttmp) self.assertEqual(["file1.txt"], d1) collection2 = self.api.collections().get(uuid=collection.manifest_locator()).execute() self.assertRegex(collection2["manifest_text"], r'\. d41d8cd98f00b204e9800998ecf8427e\+0\+A\S+ 0:0:file1\.txt$') def fuseWriteFileTestHelperWriteFile(mounttmp): class Test(unittest.TestCase): def runTest(self): with open(os.path.join(mounttmp, "file1.txt"), "w") as f: f.write("Hello world!") Test().runTest() def fuseWriteFileTestHelperReadFile(mounttmp): class Test(unittest.TestCase): def runTest(self): with open(os.path.join(mounttmp, "file1.txt"), "r") as f: self.assertEqual(f.read(), "Hello world!") Test().runTest() @parameterized.parameterized_class([{"disk_cache": True}, {"disk_cache": False}]) class FuseWriteFileTest(MountTestBase): def runTest(self): collection = arvados.collection.Collection(api_client=self.api) collection.save_new() m = self.make_mount(fuse.CollectionDirectory) with llfuse.lock: m.new_collection(collection.api_response(), collection) self.assertTrue(m.writable()) self.assertNotIn("file1.txt", collection) self.assertEqual(0, self.operations.write_counter.get()) self.pool.apply(fuseWriteFileTestHelperWriteFile, (self.mounttmp,)) self.assertEqual(12, self.operations.write_counter.get()) with collection.open("file1.txt") as f: self.assertEqual(f.read(), "Hello world!") self.assertEqual(0, self.operations.read_counter.get()) self.pool.apply(fuseWriteFileTestHelperReadFile, (self.mounttmp,)) self.assertEqual(12, self.operations.read_counter.get()) collection2 = self.api.collections().get(uuid=collection.manifest_locator()).execute() self.assertRegex(collection2["manifest_text"], r'\. 86fb269d190d2c85f6e0468ceca42a20\+12\+A\S+ 0:12:file1\.txt$') def fuseUpdateFileTestHelper(mounttmp): class Test(unittest.TestCase): def runTest(self): with open(os.path.join(mounttmp, "file1.txt"), "w") as f: f.write("Hello world!") with open(os.path.join(mounttmp, "file1.txt"), "r+") as f: fr = f.read() self.assertEqual(fr, "Hello world!") f.seek(0) f.write("Hola mundo!") f.seek(0) fr = f.read() self.assertEqual(fr, "Hola mundo!!") with open(os.path.join(mounttmp, "file1.txt"), "r") as f: self.assertEqual(f.read(), "Hola mundo!!") Test().runTest() @parameterized.parameterized_class([{"disk_cache": True}, {"disk_cache": False}]) class FuseUpdateFileTest(MountTestBase): def runTest(self): collection = arvados.collection.Collection(api_client=self.api) collection.save_new() m = self.make_mount(fuse.CollectionDirectory) with llfuse.lock: m.new_collection(collection.api_response(), collection) self.assertTrue(m.writable()) # See note in MountTestBase.setUp self.pool.apply(fuseUpdateFileTestHelper, (self.mounttmp,)) collection2 = self.api.collections().get(uuid=collection.manifest_locator()).execute() self.assertRegex(collection2["manifest_text"], r'\. daaef200ebb921e011e3ae922dd3266b\+11\+A\S+ 86fb269d190d2c85f6e0468ceca42a20\+12\+A\S+ 0:11:file1\.txt 22:1:file1\.txt$') def fuseMkdirTestHelper(mounttmp): class Test(unittest.TestCase): def runTest(self): with self.assertRaises(IOError): with open(os.path.join(mounttmp, "testdir", "file1.txt"), "w") as f: f.write("Hello world!") os.mkdir(os.path.join(mounttmp, "testdir")) with self.assertRaises(OSError): os.mkdir(os.path.join(mounttmp, "testdir")) d1 = llfuse.listdir(mounttmp) self.assertEqual(["testdir"], d1) with open(os.path.join(mounttmp, "testdir", "file1.txt"), "w") as f: f.write("Hello world!") d1 = llfuse.listdir(os.path.join(mounttmp, "testdir")) self.assertEqual(["file1.txt"], d1) Test().runTest() class FuseMkdirTest(MountTestBase): def runTest(self): collection = arvados.collection.Collection(api_client=self.api) collection.save_new() m = self.make_mount(fuse.CollectionDirectory) with llfuse.lock: m.new_collection(collection.api_response(), collection) self.assertTrue(m.writable()) self.pool.apply(fuseMkdirTestHelper, (self.mounttmp,)) collection2 = self.api.collections().get(uuid=collection.manifest_locator()).execute() self.assertRegex(collection2["manifest_text"], r'\./testdir 86fb269d190d2c85f6e0468ceca42a20\+12\+A\S+ 0:12:file1\.txt$') def fuseRmTestHelperWriteFile(mounttmp): class Test(unittest.TestCase): def runTest(self): os.mkdir(os.path.join(mounttmp, "testdir")) with open(os.path.join(mounttmp, "testdir", "file1.txt"), "w") as f: f.write("Hello world!") Test().runTest() def fuseRmTestHelperDeleteFile(mounttmp): class Test(unittest.TestCase): def runTest(self): # Can't delete because it's not empty with self.assertRaises(OSError): os.rmdir(os.path.join(mounttmp, "testdir")) d1 = llfuse.listdir(os.path.join(mounttmp, "testdir")) self.assertEqual(["file1.txt"], d1) # Delete file os.remove(os.path.join(mounttmp, "testdir", "file1.txt")) # Make sure it's empty d1 = llfuse.listdir(os.path.join(mounttmp, "testdir")) self.assertEqual([], d1) # Try to delete it again with self.assertRaises(OSError): os.remove(os.path.join(mounttmp, "testdir", "file1.txt")) Test().runTest() def fuseRmTestHelperRmdir(mounttmp): class Test(unittest.TestCase): def runTest(self): # Should be able to delete now that it is empty os.rmdir(os.path.join(mounttmp, "testdir")) # Make sure it's empty d1 = llfuse.listdir(os.path.join(mounttmp)) self.assertEqual([], d1) # Try to delete it again with self.assertRaises(OSError): os.rmdir(os.path.join(mounttmp, "testdir")) Test().runTest() class FuseRmTest(MountTestBase): def runTest(self): collection = arvados.collection.Collection(api_client=self.api) collection.save_new() m = self.make_mount(fuse.CollectionDirectory) with llfuse.lock: m.new_collection(collection.api_response(), collection) self.assertTrue(m.writable()) self.pool.apply(fuseRmTestHelperWriteFile, (self.mounttmp,)) # Starting manifest collection2 = self.api.collections().get(uuid=collection.manifest_locator()).execute() self.assertRegex(collection2["manifest_text"], r'\./testdir 86fb269d190d2c85f6e0468ceca42a20\+12\+A\S+ 0:12:file1\.txt$') self.pool.apply(fuseRmTestHelperDeleteFile, (self.mounttmp,)) # Empty directories are represented by an empty file named "." collection2 = self.api.collections().get(uuid=collection.manifest_locator()).execute() self.assertRegex(collection2["manifest_text"], r'./testdir d41d8cd98f00b204e9800998ecf8427e\+0\+A\S+ 0:0:\\056\n') self.pool.apply(fuseRmTestHelperRmdir, (self.mounttmp,)) # manifest should be empty now. collection2 = self.api.collections().get(uuid=collection.manifest_locator()).execute() self.assertEqual(collection2["manifest_text"], "") def fuseMvFileTestHelperWriteFile(mounttmp): class Test(unittest.TestCase): def runTest(self): os.mkdir(os.path.join(mounttmp, "testdir")) with open(os.path.join(mounttmp, "testdir", "file1.txt"), "w") as f: f.write("Hello world!") Test().runTest() def fuseMvFileTestHelperMoveFile(mounttmp): class Test(unittest.TestCase): def runTest(self): d1 = llfuse.listdir(os.path.join(mounttmp)) self.assertEqual(["testdir"], d1) d1 = llfuse.listdir(os.path.join(mounttmp, "testdir")) self.assertEqual(["file1.txt"], d1) os.rename(os.path.join(mounttmp, "testdir", "file1.txt"), os.path.join(mounttmp, "file1.txt")) d1 = llfuse.listdir(os.path.join(mounttmp)) self.assertEqual(["file1.txt", "testdir"], sorted(d1)) d1 = llfuse.listdir(os.path.join(mounttmp, "testdir")) self.assertEqual([], d1) Test().runTest() class FuseMvFileTest(MountTestBase): def runTest(self): collection = arvados.collection.Collection(api_client=self.api) collection.save_new() m = self.make_mount(fuse.CollectionDirectory) with llfuse.lock: m.new_collection(collection.api_response(), collection) self.assertTrue(m.writable()) self.pool.apply(fuseMvFileTestHelperWriteFile, (self.mounttmp,)) # Starting manifest collection2 = self.api.collections().get(uuid=collection.manifest_locator()).execute() self.assertRegex(collection2["manifest_text"], r'\./testdir 86fb269d190d2c85f6e0468ceca42a20\+12\+A\S+ 0:12:file1\.txt$') self.pool.apply(fuseMvFileTestHelperMoveFile, (self.mounttmp,)) collection2 = self.api.collections().get(uuid=collection.manifest_locator()).execute() self.assertRegex(collection2["manifest_text"], r'\. 86fb269d190d2c85f6e0468ceca42a20\+12\+A\S+ 0:12:file1\.txt\n\./testdir d41d8cd98f00b204e9800998ecf8427e\+0\+A\S+ 0:0:\\056\n') def fuseRenameTestHelper(mounttmp): class Test(unittest.TestCase): def runTest(self): os.mkdir(os.path.join(mounttmp, "testdir")) with open(os.path.join(mounttmp, "testdir", "file1.txt"), "w") as f: f.write("Hello world!") Test().runTest() class FuseRenameTest(MountTestBase): def runTest(self): collection = arvados.collection.Collection(api_client=self.api) collection.save_new() m = self.make_mount(fuse.CollectionDirectory) with llfuse.lock: m.new_collection(collection.api_response(), collection) self.assertTrue(m.writable()) self.pool.apply(fuseRenameTestHelper, (self.mounttmp,)) # Starting manifest collection2 = self.api.collections().get(uuid=collection.manifest_locator()).execute() self.assertRegex(collection2["manifest_text"], r'\./testdir 86fb269d190d2c85f6e0468ceca42a20\+12\+A\S+ 0:12:file1\.txt$') d1 = llfuse.listdir(os.path.join(self.mounttmp)) self.assertEqual(["testdir"], d1) d1 = llfuse.listdir(os.path.join(self.mounttmp, "testdir")) self.assertEqual(["file1.txt"], d1) os.rename(os.path.join(self.mounttmp, "testdir"), os.path.join(self.mounttmp, "testdir2")) d1 = llfuse.listdir(os.path.join(self.mounttmp)) self.assertEqual(["testdir2"], sorted(d1)) d1 = llfuse.listdir(os.path.join(self.mounttmp, "testdir2")) self.assertEqual(["file1.txt"], d1) collection2 = self.api.collections().get(uuid=collection.manifest_locator()).execute() self.assertRegex(collection2["manifest_text"], r'\./testdir2 86fb269d190d2c85f6e0468ceca42a20\+12\+A\S+ 0:12:file1\.txt$') class FuseUpdateFromEventTest(MountTestBase): def runTest(self): collection = arvados.collection.Collection(api_client=self.api) collection.save_new() m = self.make_mount(fuse.CollectionDirectory) with llfuse.lock: m.new_collection(collection.api_response(), collection) self.operations.listen_for_events() d1 = llfuse.listdir(os.path.join(self.mounttmp)) self.assertEqual([], sorted(d1)) with arvados.collection.Collection(collection.manifest_locator(), api_client=self.api) as collection2: with collection2.open("file1.txt", "w") as f: f.write("foo") for attempt in AssertWithTimeout(10): attempt(self.assertEqual, ["file1.txt"], llfuse.listdir(os.path.join(self.mounttmp))) class FuseDeleteProjectEventTest(MountTestBase): def runTest(self): aproject = self.api.groups().create(body={ "name": "aproject", "group_class": "project" }).execute() bproject = self.api.groups().create(body={ "name": "bproject", "group_class": "project", "owner_uuid": aproject["uuid"] }).execute() self.make_mount(fuse.ProjectDirectory, project_object=self.api.users().current().execute()) self.operations.listen_for_events() d1 = llfuse.listdir(os.path.join(self.mounttmp, "aproject")) self.assertEqual(["bproject"], sorted(d1)) self.api.groups().delete(uuid=bproject["uuid"]).execute() for attempt in AssertWithTimeout(10): attempt(self.assertEqual, [], llfuse.listdir(os.path.join(self.mounttmp, "aproject"))) def fuseFileConflictTestHelper(mounttmp, uuid, keeptmp, settings): class Test(unittest.TestCase): def runTest(self): os.environ['KEEP_LOCAL_STORE'] = keeptmp with open(os.path.join(mounttmp, "file1.txt"), "w") as f: with arvados.collection.Collection(uuid, api_client=arvados.api_from_config('v1', apiconfig=settings)) as collection2: with collection2.open("file1.txt", "w") as f2: f2.write("foo") f.write("bar") d1 = sorted(llfuse.listdir(os.path.join(mounttmp))) self.assertEqual(len(d1), 2) with open(os.path.join(mounttmp, "file1.txt"), "r") as f: self.assertEqual(f.read(), "bar") self.assertRegex(d1[1], r'file1\.txt~\d\d\d\d\d\d\d\d-\d\d\d\d\d\d~conflict~') with open(os.path.join(mounttmp, d1[1]), "r") as f: self.assertEqual(f.read(), "foo") Test().runTest() class FuseFileConflictTest(MountTestBase): def runTest(self): collection = arvados.collection.Collection(api_client=self.api) collection.save_new() m = self.make_mount(fuse.CollectionDirectory) with llfuse.lock: m.new_collection(collection.api_response(), collection) d1 = llfuse.listdir(os.path.join(self.mounttmp)) self.assertEqual([], sorted(d1)) # See note in MountTestBase.setUp self.pool.apply(fuseFileConflictTestHelper, (self.mounttmp, collection.manifest_locator(), self.keeptmp, arvados.config.settings())) def fuseUnlinkOpenFileTest(mounttmp): class Test(unittest.TestCase): def runTest(self): with open(os.path.join(mounttmp, "file1.txt"), "w+") as f: f.write("foo") d1 = llfuse.listdir(os.path.join(mounttmp)) self.assertEqual(["file1.txt"], sorted(d1)) os.remove(os.path.join(mounttmp, "file1.txt")) d1 = llfuse.listdir(os.path.join(mounttmp)) self.assertEqual([], sorted(d1)) f.seek(0) self.assertEqual(f.read(), "foo") f.write("bar") f.seek(0) self.assertEqual(f.read(), "foobar") Test().runTest() class FuseUnlinkOpenFileTest(MountTestBase): def runTest(self): collection = arvados.collection.Collection(api_client=self.api) collection.save_new() m = self.make_mount(fuse.CollectionDirectory) with llfuse.lock: m.new_collection(collection.api_response(), collection) # See note in MountTestBase.setUp self.pool.apply(fuseUnlinkOpenFileTest, (self.mounttmp,)) self.assertEqual(collection.manifest_text(), "") def fuseMvFileBetweenCollectionsTest1(mounttmp, uuid1, uuid2): class Test(unittest.TestCase): def runTest(self): with open(os.path.join(mounttmp, uuid1, "file1.txt"), "w") as f: f.write("Hello world!") d1 = os.listdir(os.path.join(mounttmp, uuid1)) self.assertEqual(["file1.txt"], sorted(d1)) d1 = os.listdir(os.path.join(mounttmp, uuid2)) self.assertEqual([], sorted(d1)) Test().runTest() def fuseMvFileBetweenCollectionsTest2(mounttmp, uuid1, uuid2): class Test(unittest.TestCase): def runTest(self): os.rename(os.path.join(mounttmp, uuid1, "file1.txt"), os.path.join(mounttmp, uuid2, "file2.txt")) d1 = os.listdir(os.path.join(mounttmp, uuid1)) self.assertEqual([], sorted(d1)) d1 = os.listdir(os.path.join(mounttmp, uuid2)) self.assertEqual(["file2.txt"], sorted(d1)) Test().runTest() class FuseMvFileBetweenCollectionsTest(MountTestBase): def runTest(self): collection1 = arvados.collection.Collection(api_client=self.api) collection1.save_new() collection2 = arvados.collection.Collection(api_client=self.api) collection2.save_new() m = self.make_mount(fuse.MagicDirectory) # See note in MountTestBase.setUp self.pool.apply(fuseMvFileBetweenCollectionsTest1, (self.mounttmp, collection1.manifest_locator(), collection2.manifest_locator())) collection1.update() collection2.update() self.assertRegex(collection1.manifest_text(), r"\. 86fb269d190d2c85f6e0468ceca42a20\+12\+A\S+ 0:12:file1\.txt$") self.assertEqual(collection2.manifest_text(), "") self.pool.apply(fuseMvFileBetweenCollectionsTest2, (self.mounttmp, collection1.manifest_locator(), collection2.manifest_locator())) collection1.update() collection2.update() self.assertEqual(collection1.manifest_text(), "") self.assertRegex(collection2.manifest_text(), r"\. 86fb269d190d2c85f6e0468ceca42a20\+12\+A\S+ 0:12:file2\.txt$") collection1.stop_threads() collection2.stop_threads() def fuseMvDirBetweenCollectionsTest1(mounttmp, uuid1, uuid2): class Test(unittest.TestCase): def runTest(self): os.mkdir(os.path.join(mounttmp, uuid1, "testdir")) with open(os.path.join(mounttmp, uuid1, "testdir", "file1.txt"), "w") as f: f.write("Hello world!") d1 = os.listdir(os.path.join(mounttmp, uuid1)) self.assertEqual(["testdir"], sorted(d1)) d1 = os.listdir(os.path.join(mounttmp, uuid1, "testdir")) self.assertEqual(["file1.txt"], sorted(d1)) d1 = os.listdir(os.path.join(mounttmp, uuid2)) self.assertEqual([], sorted(d1)) Test().runTest() def fuseMvDirBetweenCollectionsTest2(mounttmp, uuid1, uuid2): class Test(unittest.TestCase): def runTest(self): os.rename(os.path.join(mounttmp, uuid1, "testdir"), os.path.join(mounttmp, uuid2, "testdir2")) d1 = os.listdir(os.path.join(mounttmp, uuid1)) self.assertEqual([], sorted(d1)) d1 = os.listdir(os.path.join(mounttmp, uuid2)) self.assertEqual(["testdir2"], sorted(d1)) d1 = os.listdir(os.path.join(mounttmp, uuid2, "testdir2")) self.assertEqual(["file1.txt"], sorted(d1)) with open(os.path.join(mounttmp, uuid2, "testdir2", "file1.txt"), "r") as f: self.assertEqual(f.read(), "Hello world!") Test().runTest() class FuseMvDirBetweenCollectionsTest(MountTestBase): def runTest(self): collection1 = arvados.collection.Collection(api_client=self.api) collection1.save_new() collection2 = arvados.collection.Collection(api_client=self.api) collection2.save_new() m = self.make_mount(fuse.MagicDirectory) # See note in MountTestBase.setUp self.pool.apply(fuseMvDirBetweenCollectionsTest1, (self.mounttmp, collection1.manifest_locator(), collection2.manifest_locator())) collection1.update() collection2.update() self.assertRegex(collection1.manifest_text(), r"\./testdir 86fb269d190d2c85f6e0468ceca42a20\+12\+A\S+ 0:12:file1\.txt$") self.assertEqual(collection2.manifest_text(), "") self.pool.apply(fuseMvDirBetweenCollectionsTest2, (self.mounttmp, collection1.manifest_locator(), collection2.manifest_locator())) collection1.update() collection2.update() self.assertEqual(collection1.manifest_text(), "") self.assertRegex(collection2.manifest_text(), r"\./testdir2 86fb269d190d2c85f6e0468ceca42a20\+12\+A\S+ 0:12:file1\.txt$") collection1.stop_threads() collection2.stop_threads() def fuseProjectMkdirTestHelper1(mounttmp): class Test(unittest.TestCase): def runTest(self): os.mkdir(os.path.join(mounttmp, "testcollection")) with self.assertRaises(OSError): os.mkdir(os.path.join(mounttmp, "testcollection")) Test().runTest() def fuseProjectMkdirTestHelper2(mounttmp): class Test(unittest.TestCase): def runTest(self): with open(os.path.join(mounttmp, "testcollection", "file1.txt"), "w") as f: f.write("Hello world!") with self.assertRaises(OSError): os.rmdir(os.path.join(mounttmp, "testcollection")) os.remove(os.path.join(mounttmp, "testcollection", "file1.txt")) with self.assertRaises(OSError): os.remove(os.path.join(mounttmp, "testcollection")) os.rmdir(os.path.join(mounttmp, "testcollection")) Test().runTest() class FuseProjectMkdirRmdirTest(MountTestBase): def runTest(self): self.make_mount(fuse.ProjectDirectory, project_object=self.api.users().current().execute()) d1 = llfuse.listdir(self.mounttmp) self.assertNotIn('testcollection', d1) self.pool.apply(fuseProjectMkdirTestHelper1, (self.mounttmp,)) d1 = llfuse.listdir(self.mounttmp) self.assertIn('testcollection', d1) self.pool.apply(fuseProjectMkdirTestHelper2, (self.mounttmp,)) d1 = llfuse.listdir(self.mounttmp) self.assertNotIn('testcollection', d1) def fuseProjectMvTestHelper1(mounttmp): class Test(unittest.TestCase): def runTest(self): d1 = llfuse.listdir(mounttmp) self.assertNotIn('testcollection', d1) os.mkdir(os.path.join(mounttmp, "testcollection")) d1 = llfuse.listdir(mounttmp) self.assertIn('testcollection', d1) with self.assertRaises(OSError): os.rename(os.path.join(mounttmp, "testcollection"), os.path.join(mounttmp, 'Unrestricted public data')) os.rename(os.path.join(mounttmp, "testcollection"), os.path.join(mounttmp, 'Unrestricted public data', 'testcollection')) d1 = llfuse.listdir(mounttmp) self.assertNotIn('testcollection', d1) d1 = llfuse.listdir(os.path.join(mounttmp, 'Unrestricted public data')) self.assertIn('testcollection', d1) Test().runTest() class FuseProjectMvTest(MountTestBase): def runTest(self): self.make_mount(fuse.ProjectDirectory, project_object=self.api.users().current().execute()) self.pool.apply(fuseProjectMvTestHelper1, (self.mounttmp,)) def fuseFsyncTestHelper(mounttmp, k): class Test(unittest.TestCase): def runTest(self): fd = os.open(os.path.join(mounttmp, k), os.O_RDONLY) os.fsync(fd) os.close(fd) Test().runTest() class FuseFsyncTest(FuseMagicTest): def runTest(self): self.make_mount(fuse.MagicDirectory) self.pool.apply(fuseFsyncTestHelper, (self.mounttmp, self.testcollection)) class MagicDirApiError(FuseMagicTest): def setUp(self): api = mock.MagicMock() api.keep.block_cache = mock.MagicMock(cache_max=1) super(MagicDirApiError, self).setUp(api=api) api.collections().get().execute.side_effect = iter([ Exception('API fail'), { "manifest_text": self.test_manifest, "portable_data_hash": self.test_manifest_pdh, }, ]) api.keep.get.side_effect = Exception('Keep fail') def runTest(self): with mock.patch('arvados_fuse.fresh.FreshBase._poll_time', new_callable=mock.PropertyMock, return_value=60) as mock_poll_time: self.make_mount(fuse.MagicDirectory) self.operations.inodes.inode_cache.cap = 1 self.operations.inodes.inode_cache.min_entries = 2 with self.assertRaises(OSError): llfuse.listdir(os.path.join(self.mounttmp, self.testcollection)) llfuse.listdir(os.path.join(self.mounttmp, self.testcollection)) class SanitizeFilenameTest(MountTestBase): def test_sanitize_filename(self): pdir = fuse.ProjectDirectory( 1, fuse.Inodes(None), self.api, 0, False, None, project_object=self.api.users().current().execute(), ) acceptable = [ "foo.txt", ".foo", "..foo", "...", "foo...", "foo..", "foo.", "-", "\x01\x02\x03", ] unacceptable = [ "f\00", "\00\00", "/foo", "foo/", "//", ] for f in acceptable: self.assertEqual(f, pdir.sanitize_filename(f)) for f in unacceptable: self.assertNotEqual(f, pdir.sanitize_filename(f)) # The sanitized filename should be the same length, though. self.assertEqual(len(f), len(pdir.sanitize_filename(f))) # Special cases self.assertEqual("_", pdir.sanitize_filename("")) self.assertEqual("_", pdir.sanitize_filename(".")) self.assertEqual("__", pdir.sanitize_filename("..")) class FuseMagicTestPDHOnly(MountTestBase): def setUp(self, api=None): super(FuseMagicTestPDHOnly, self).setUp(api=api) cw = arvados.CollectionWriter() cw.start_new_file('thing1.txt') cw.write("data 1") self.testcollection = cw.finish() self.test_manifest = cw.manifest_text() created = self.api.collections().create(body={"manifest_text":self.test_manifest}).execute() self.testcollectionuuid = str(created['uuid']) def verify_pdh_only(self, pdh_only=False, skip_pdh_only=False): if skip_pdh_only is True: self.make_mount(fuse.MagicDirectory) # in this case, the default by_id applies else: self.make_mount(fuse.MagicDirectory, pdh_only=pdh_only) mount_ls = llfuse.listdir(self.mounttmp) self.assertIn('README', mount_ls) self.assertFalse(any(arvados.util.keep_locator_pattern.match(fn) or arvados.util.uuid_pattern.match(fn) for fn in mount_ls), "new FUSE MagicDirectory lists Collection") # look up using pdh should succeed in all cases self.assertDirContents(self.testcollection, ['thing1.txt']) self.assertDirContents(os.path.join('by_id', self.testcollection), ['thing1.txt']) mount_ls = llfuse.listdir(self.mounttmp) self.assertIn('README', mount_ls) self.assertIn(self.testcollection, mount_ls) self.assertIn(self.testcollection, llfuse.listdir(os.path.join(self.mounttmp, 'by_id'))) files = {} files[os.path.join(self.mounttmp, self.testcollection, 'thing1.txt')] = 'data 1' for k, v in files.items(): with open(os.path.join(self.mounttmp, k), 'rb') as f: self.assertEqual(v, f.read().decode()) # look up using uuid should fail when pdh_only is set if pdh_only is True: with self.assertRaises(OSError): self.assertDirContents(os.path.join('by_id', self.testcollectionuuid), ['thing1.txt']) else: self.assertDirContents(os.path.join('by_id', self.testcollectionuuid), ['thing1.txt']) def test_with_pdh_only_true(self): self.verify_pdh_only(pdh_only=True) def test_with_pdh_only_false(self): self.verify_pdh_only(pdh_only=False) def test_with_default_by_id(self): self.verify_pdh_only(skip_pdh_only=True) class SlashSubstitutionTest(IntegrationTest): mnt_args = [ '--read-write', '--mount-home', 'zzz', '--fsns', '[SLASH]' ] def setUp(self): super(SlashSubstitutionTest, self).setUp() self.api = arvados.safeapi.ThreadSafeApiCache( arvados.config.settings(), version='v1' ) self.testcoll = self.api.collections().create(body={"name": "foo/bar/baz"}).execute() self.testcolleasy = self.api.collections().create(body={"name": "foo-bar-baz"}).execute() self.fusename = 'foo[SLASH]bar[SLASH]baz' @IntegrationTest.mount(argv=mnt_args) def test_slash_substitution_before_listing(self): self.pool_test(os.path.join(self.mnt, 'zzz'), self.fusename) self.checkContents() @staticmethod def _test_slash_substitution_before_listing(self, tmpdir, fusename): with open(os.path.join(tmpdir, 'foo-bar-baz', 'waz'), 'w') as f: f.write('xxx') with open(os.path.join(tmpdir, fusename, 'waz'), 'w') as f: f.write('foo') @IntegrationTest.mount(argv=mnt_args) @mock.patch('arvados.util.get_config_once') def test_slash_substitution_after_listing(self, get_config_once): get_config_once.return_value = {"Collections": {"ForwardSlashNameSubstitution": "[SLASH]"}} self.pool_test(os.path.join(self.mnt, 'zzz'), self.fusename) self.checkContents() @staticmethod def _test_slash_substitution_after_listing(self, tmpdir, fusename): with open(os.path.join(tmpdir, 'foo-bar-baz', 'waz'), 'w') as f: f.write('xxx') os.listdir(tmpdir) with open(os.path.join(tmpdir, fusename, 'waz'), 'w') as f: f.write('foo') def checkContents(self): self.assertRegexpMatches(self.api.collections().get(uuid=self.testcoll['uuid']).execute()['manifest_text'], ' acbd18db') # md5(foo) self.assertRegexpMatches(self.api.collections().get(uuid=self.testcolleasy['uuid']).execute()['manifest_text'], ' f561aaf6') # md5(xxx) @IntegrationTest.mount(argv=mnt_args) @mock.patch('arvados.util.get_config_once') def test_slash_substitution_conflict(self, get_config_once): self.testcollconflict = self.api.collections().create(body={"name": self.fusename}).execute() get_config_once.return_value = {"Collections": {"ForwardSlashNameSubstitution": "[SLASH]"}} self.pool_test(os.path.join(self.mnt, 'zzz'), self.fusename) self.assertRegexpMatches(self.api.collections().get(uuid=self.testcollconflict['uuid']).execute()['manifest_text'], ' acbd18db') # md5(foo) # foo/bar/baz collection unchanged, because it is masked by foo[SLASH]bar[SLASH]baz self.assertEqual(self.api.collections().get(uuid=self.testcoll['uuid']).execute()['manifest_text'], '') @staticmethod def _test_slash_substitution_conflict(self, tmpdir, fusename): with open(os.path.join(tmpdir, fusename, 'waz'), 'w') as f: f.write('foo') class StorageClassesTest(IntegrationTest): mnt_args = [ '--read-write', '--mount-home', 'homedir', ] def setUp(self): super(StorageClassesTest, self).setUp() self.api = arvados.safeapi.ThreadSafeApiCache( arvados.config.settings(), version='v1', ) @IntegrationTest.mount(argv=mnt_args) def test_collection_default_storage_classes(self): coll_path = os.path.join(self.mnt, 'homedir', 'a_collection') self.api.collections().create(body={'name':'a_collection'}).execute() self.pool_test(coll_path) @staticmethod def _test_collection_default_storage_classes(self, coll): self.assertEqual(storage_classes_desired(coll), ['default']) @IntegrationTest.mount(argv=mnt_args+['--storage-classes', 'foo']) def test_collection_custom_storage_classes(self): coll_path = os.path.join(self.mnt, 'homedir', 'new_coll') os.mkdir(coll_path) self.pool_test(coll_path) @staticmethod def _test_collection_custom_storage_classes(self, coll): self.assertEqual(storage_classes_desired(coll), ['foo']) def _readonlyCollectionTestHelper(mounttmp): f = open(os.path.join(mounttmp, 'thing1.txt'), 'rt') # Testing that close() doesn't raise an error. f.close() class ReadonlyCollectionTest(MountTestBase): def setUp(self): super(ReadonlyCollectionTest, self).setUp() cw = arvados.collection.Collection() with cw.open('thing1.txt', 'wt') as f: f.write("data 1") cw.save_new(owner_uuid=run_test_server.fixture("groups")["aproject"]["uuid"]) self.testcollection = cw.api_response() def runTest(self): settings = arvados.config.settings().copy() settings["ARVADOS_API_TOKEN"] = run_test_server.fixture("api_client_authorizations")["project_viewer"]["api_token"] self.api = arvados.safeapi.ThreadSafeApiCache(settings, version='v1') self.make_mount(fuse.CollectionDirectory, collection_record=self.testcollection, enable_write=False) self.pool.apply(_readonlyCollectionTestHelper, (self.mounttmp,)) @parameterized.parameterized_class([ {'root_class': fusedir.ProjectDirectory, 'root_kwargs': { 'project_object': run_test_server.fixture('users')['admin'], }}, {'root_class': fusedir.ProjectDirectory, 'root_kwargs': { 'project_object': run_test_server.fixture('groups')['public'], }}, ]) class UnsupportedCreateTest(MountTestBase): root_class = None root_kwargs = {} def setUp(self): super().setUp() if 'prefs' in self.root_kwargs.get('project_object', ()): self.root_kwargs['project_object']['prefs'] = {} self.make_mount(self.root_class, **self.root_kwargs) # Make sure the directory knows about its top-level ents. os.listdir(self.mounttmp) def test_create(self): test_path = Path(self.mounttmp, 'test_create') with self.assertRaises(OSError) as exc_check: with test_path.open('w'): pass self.assertEqual(exc_check.exception.errno, errno.ENOTSUP) # FIXME: IMO, for consistency with the "create inside a project" case, # these operations should also return ENOTSUP instead of EPERM. # Right now they're returning EPERM because the clasess' writable() method # usually returns False, and the Operations class transforms that accordingly. # However, for cases where the mount will never be writable, I think ENOTSUP # is a clearer error: it lets the user know they can't fix the problem by # adding permissions in Arvados, etc. @parameterized.parameterized_class([ {'root_class': fusedir.MagicDirectory, 'preset_dir': 'by_id', 'preset_file': 'README', }, {'root_class': fusedir.SharedDirectory, 'root_kwargs': { 'exclude': run_test_server.fixture('users')['admin']['uuid'], }, 'preset_dir': 'Active User', }, {'root_class': fusedir.TagDirectory, 'root_kwargs': { 'tag': run_test_server.fixture('links')['foo_collection_tag']['name'], }, 'preset_dir': run_test_server.fixture('collections')['foo_collection_in_aproject']['uuid'], }, {'root_class': fusedir.TagsDirectory, 'preset_dir': run_test_server.fixture('links')['foo_collection_tag']['name'], }, ]) class UnsupportedOperationsTest(UnsupportedCreateTest): preset_dir = None preset_file = None def test_create(self): test_path = Path(self.mounttmp, 'test_create') with self.assertRaises(OSError) as exc_check: with test_path.open('w'): pass self.assertEqual(exc_check.exception.errno, errno.EPERM) def test_mkdir(self): test_path = Path(self.mounttmp, 'test_mkdir') with self.assertRaises(OSError) as exc_check: test_path.mkdir() self.assertEqual(exc_check.exception.errno, errno.EPERM) def test_rename(self): src_name = self.preset_dir or self.preset_file if src_name is None: return test_src = Path(self.mounttmp, src_name) test_dst = test_src.with_name('test_dst') with self.assertRaises(OSError) as exc_check: test_src.rename(test_dst) self.assertEqual(exc_check.exception.errno, errno.EPERM) def test_rmdir(self): if self.preset_dir is None: return test_path = Path(self.mounttmp, self.preset_dir) with self.assertRaises(OSError) as exc_check: test_path.rmdir() self.assertEqual(exc_check.exception.errno, errno.EPERM) def test_unlink(self): if self.preset_file is None: return test_path = Path(self.mounttmp, self.preset_file) with self.assertRaises(OSError) as exc_check: test_path.unlink() self.assertEqual(exc_check.exception.errno, errno.EPERM)