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- # Copyright 2020 The HuggingFace Team. All rights reserved.
- #
- # Licensed under the Apache License, Version 2.0 (the "License");
- # you may not use this file except in compliance with the License.
- # You may obtain a copy of the License at
- #
- # http://www.apache.org/licenses/LICENSE-2.0
- #
- # Unless required by applicable law or agreed to in writing, software
- # distributed under the License is distributed on an "AS IS" BASIS,
- # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- # See the License for the specific language governing permissions and
- # limitations under the License.
-
- import unittest
-
- import requests
-
- # Try to import everything from transformers to ensure every object can be loaded.
- from transformers import * # noqa F406
- from transformers.file_utils import CONFIG_NAME, WEIGHTS_NAME, filename_to_url, get_from_cache, hf_bucket_url
- from transformers.testing_utils import DUMMY_UNKWOWN_IDENTIFIER
-
-
- MODEL_ID = DUMMY_UNKWOWN_IDENTIFIER
- # An actual model hosted on huggingface.co
-
- REVISION_ID_DEFAULT = "main"
- # Default branch name
- REVISION_ID_ONE_SPECIFIC_COMMIT = "f2c752cfc5c0ab6f4bdec59acea69eefbee381c2"
- # One particular commit (not the top of `main`)
- REVISION_ID_INVALID = "aaaaaaa"
- # This commit does not exist, so we should 404.
-
- PINNED_SHA1 = "d9e9f15bc825e4b2c9249e9578f884bbcb5e3684"
- # Sha-1 of config.json on the top of `main`, for checking purposes
- PINNED_SHA256 = "4b243c475af8d0a7754e87d7d096c92e5199ec2fe168a2ee7998e3b8e9bcb1d3"
- # Sha-256 of pytorch_model.bin on the top of `main`, for checking purposes
-
-
- class GetFromCacheTests(unittest.TestCase):
- def test_bogus_url(self):
- # This lets us simulate no connection
- # as the error raised is the same
- # `ConnectionError`
- url = "https://bogus"
- with self.assertRaisesRegex(ValueError, "Connection error"):
- _ = get_from_cache(url)
-
- def test_file_not_found(self):
- # Valid revision (None) but missing file.
- url = hf_bucket_url(MODEL_ID, filename="missing.bin")
- with self.assertRaisesRegex(requests.exceptions.HTTPError, "404 Client Error"):
- _ = get_from_cache(url)
-
- def test_revision_not_found(self):
- # Valid file but missing revision
- url = hf_bucket_url(MODEL_ID, filename=CONFIG_NAME, revision=REVISION_ID_INVALID)
- with self.assertRaisesRegex(requests.exceptions.HTTPError, "404 Client Error"):
- _ = get_from_cache(url)
-
- def test_standard_object(self):
- url = hf_bucket_url(MODEL_ID, filename=CONFIG_NAME, revision=REVISION_ID_DEFAULT)
- filepath = get_from_cache(url, force_download=True)
- metadata = filename_to_url(filepath)
- self.assertEqual(metadata, (url, f'"{PINNED_SHA1}"'))
-
- def test_standard_object_rev(self):
- # Same object, but different revision
- url = hf_bucket_url(MODEL_ID, filename=CONFIG_NAME, revision=REVISION_ID_ONE_SPECIFIC_COMMIT)
- filepath = get_from_cache(url, force_download=True)
- metadata = filename_to_url(filepath)
- self.assertNotEqual(metadata[1], f'"{PINNED_SHA1}"')
- # Caution: check that the etag is *not* equal to the one from `test_standard_object`
-
- def test_lfs_object(self):
- url = hf_bucket_url(MODEL_ID, filename=WEIGHTS_NAME, revision=REVISION_ID_DEFAULT)
- filepath = get_from_cache(url, force_download=True)
- metadata = filename_to_url(filepath)
- self.assertEqual(metadata, (url, f'"{PINNED_SHA256}"'))
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