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Runtime error
Runtime error
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# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.
import os
import shutil
import sys
import tempfile
import unittest
from typing import Optional
from unittest.mock import MagicMock
class TestFileIO(unittest.TestCase):
_tmpdir: Optional[str] = None
_tmpfile: Optional[str] = None
_tmpfile_contents = "Hello, World"
@classmethod
def setUpClass(cls) -> None:
cls._tmpdir = tempfile.mkdtemp()
with open(os.path.join(cls._tmpdir, "test.txt"), "w") as f:
cls._tmpfile = f.name
f.write(cls._tmpfile_contents)
f.flush()
@classmethod
def tearDownClass(cls) -> None:
# Cleanup temp working dir.
if cls._tmpdir is not None:
shutil.rmtree(cls._tmpdir) # type: ignore
def test_file_io(self):
from fairseq.file_io import PathManager
with PathManager.open(os.path.join(self._tmpdir, "test.txt"), "r") as f:
s = f.read()
self.assertEqual(s, self._tmpfile_contents)
def test_file_io_oss(self):
# Mock iopath to simulate oss environment.
sys.modules["iopath"] = MagicMock()
from fairseq.file_io import PathManager
with PathManager.open(os.path.join(self._tmpdir, "test.txt"), "r") as f:
s = f.read()
self.assertEqual(s, self._tmpfile_contents)
def test_file_io_async(self):
# ioPath `PathManager` is initialized after the first `opena` call.
try:
from fairseq.file_io import IOPathManager, PathManager
_asyncfile = os.path.join(self._tmpdir, "async.txt")
f = PathManager.opena(_asyncfile, "wb")
f.close()
finally:
self.assertTrue(PathManager.async_close())
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