64 lines
2.7 KiB
Python
64 lines
2.7 KiB
Python
import unittest
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import requests
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from transformers.file_utils import CONFIG_NAME, WEIGHTS_NAME, filename_to_url, get_from_cache, hf_bucket_url
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from transformers.testing_utils import DUMMY_UNKWOWN_IDENTIFIER
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MODEL_ID = DUMMY_UNKWOWN_IDENTIFIER
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# An actual model hosted on huggingface.co
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REVISION_ID_DEFAULT = "main"
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# Default branch name
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REVISION_ID_ONE_SPECIFIC_COMMIT = "f2c752cfc5c0ab6f4bdec59acea69eefbee381c2"
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# One particular commit (not the top of `main`)
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REVISION_ID_INVALID = "aaaaaaa"
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# This commit does not exist, so we should 404.
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PINNED_SHA1 = "d9e9f15bc825e4b2c9249e9578f884bbcb5e3684"
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# Sha-1 of config.json on the top of `main`, for checking purposes
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PINNED_SHA256 = "4b243c475af8d0a7754e87d7d096c92e5199ec2fe168a2ee7998e3b8e9bcb1d3"
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# Sha-256 of pytorch_model.bin on the top of `main`, for checking purposes
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class GetFromCacheTests(unittest.TestCase):
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def test_bogus_url(self):
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# This lets us simulate no connection
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# as the error raised is the same
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# `ConnectionError`
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url = "https://bogus"
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with self.assertRaisesRegex(ValueError, "Connection error"):
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_ = get_from_cache(url)
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def test_file_not_found(self):
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# Valid revision (None) but missing file.
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url = hf_bucket_url(MODEL_ID, filename="missing.bin")
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with self.assertRaisesRegex(requests.exceptions.HTTPError, "404 Client Error"):
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_ = get_from_cache(url)
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def test_revision_not_found(self):
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# Valid file but missing revision
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url = hf_bucket_url(MODEL_ID, filename=CONFIG_NAME, revision=REVISION_ID_INVALID)
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with self.assertRaisesRegex(requests.exceptions.HTTPError, "404 Client Error"):
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_ = get_from_cache(url)
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def test_standard_object(self):
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url = hf_bucket_url(MODEL_ID, filename=CONFIG_NAME, revision=REVISION_ID_DEFAULT)
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filepath = get_from_cache(url, force_download=True)
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metadata = filename_to_url(filepath)
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self.assertEqual(metadata, (url, f'"{PINNED_SHA1}"'))
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def test_standard_object_rev(self):
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# Same object, but different revision
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url = hf_bucket_url(MODEL_ID, filename=CONFIG_NAME, revision=REVISION_ID_ONE_SPECIFIC_COMMIT)
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filepath = get_from_cache(url, force_download=True)
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metadata = filename_to_url(filepath)
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self.assertNotEqual(metadata[1], f'"{PINNED_SHA1}"')
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# Caution: check that the etag is *not* equal to the one from `test_standard_object`
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def test_lfs_object(self):
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url = hf_bucket_url(MODEL_ID, filename=WEIGHTS_NAME, revision=REVISION_ID_DEFAULT)
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filepath = get_from_cache(url, force_download=True)
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metadata = filename_to_url(filepath)
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self.assertEqual(metadata, (url, f'"{PINNED_SHA256}"'))
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