-class MountTestBase(unittest.TestCase):
- def setUp(self):
- # The underlying C implementation of open() makes a fstat() syscall
- # with the GIL still held. When the GETATTR message comes back to
- # llfuse (which in these tests is in the same interpreter process) it
- # can't acquire the GIL, so it can't service the fstat() call, so it
- # deadlocks. The workaround is to run some of our test code in a
- # separate process. Forturnately the multiprocessing module makes this
- # relatively easy.
- self.pool = multiprocessing.Pool(1)
-
- self.keeptmp = tempfile.mkdtemp()
- os.environ['KEEP_LOCAL_STORE'] = self.keeptmp
- self.mounttmp = tempfile.mkdtemp()
- run_test_server.run()
- run_test_server.authorize_with("admin")
- self.api = arvados.safeapi.ThreadSafeApiCache(arvados.config.settings())
-
- def make_mount(self, root_class, **root_kwargs):
- self.operations = fuse.Operations(os.getuid(), os.getgid(), enable_write=True)
- self.operations.inodes.add_entry(root_class(
- llfuse.ROOT_INODE, self.operations.inodes, self.api, 0, **root_kwargs))
- llfuse.init(self.operations, self.mounttmp, [])
- threading.Thread(None, llfuse.main).start()
- # wait until the driver is finished initializing
- self.operations.initlock.wait()
- return self.operations.inodes[llfuse.ROOT_INODE]
-
- def tearDown(self):
- self.pool.terminate()
- self.pool.join()
- del self.pool
-
- # llfuse.close is buggy, so use fusermount instead.
- #llfuse.close(unmount=True)
-
- count = 0
- success = 1
- while (count < 9 and success != 0):
- success = subprocess.call(["fusermount", "-u", self.mounttmp])
- time.sleep(0.1)
- count += 1
-
- self.operations.destroy()
-
- os.rmdir(self.mounttmp)
- shutil.rmtree(self.keeptmp)
- run_test_server.reset()
-
- def assertDirContents(self, subdir, expect_content):
- path = self.mounttmp
- if subdir:
- path = os.path.join(path, subdir)
- self.assertEqual(sorted(expect_content), sorted(llfuse.listdir(path)))