paddlenlp

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# Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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#     http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import annotations
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import hashlib
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import os
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import unittest
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from tempfile import TemporaryDirectory
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class LockFileTest(unittest.TestCase):
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    test_url = (
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        "https://bj.bcebos.com/paddlenlp/models/transformers/roformerv2/roformer_v2_chinese_char_small/vocab.txt"
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    )
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    def test_downloading_with_exist_file(self):
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        from paddlenlp.utils.downloader import get_path_from_url_with_filelock
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        with TemporaryDirectory() as tempdir:
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            lock_file_name = hashlib.md5((self.test_url + tempdir).encode("utf-8")).hexdigest()
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            lock_file_path = os.path.join(tempdir, ".lock", lock_file_name)
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            os.makedirs(os.path.dirname(lock_file_path), exist_ok=True)
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            # create lock file
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            with open(lock_file_path, "w", encoding="utf-8") as f:
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                f.write("temp test")
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            # downloading with exist lock file
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            config_file = get_path_from_url_with_filelock(self.test_url, root_dir=tempdir)
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            self.assertIsNotNone(config_file)
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    def test_downloading_with_opened_exist_file(self):
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        from paddlenlp.utils.downloader import get_path_from_url_with_filelock
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        with TemporaryDirectory() as tempdir:
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            lock_file_name = hashlib.md5((self.test_url + tempdir).encode("utf-8")).hexdigest()
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            lock_file_path = os.path.join(tempdir, ".lock", lock_file_name)
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            os.makedirs(os.path.dirname(lock_file_path), exist_ok=True)
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            # create lock file
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            with open(lock_file_path, "w", encoding="utf-8") as f:
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                f.write("temp test")
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            # downloading with opened lock file
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            open_mode = os.O_RDWR | os.O_CREAT | os.O_TRUNC
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            _ = os.open(lock_file_path, open_mode)
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            config_file = get_path_from_url_with_filelock(self.test_url, root_dir=tempdir)
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            self.assertIsNotNone(config_file)
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