

"""simple docstring"""






import unittest

from transformers import is_torch_available
from transformers.testing_utils import require_sentencepiece, require_tokenizers, require_torch, slow, torch_device


if is_torch_available():
 from transformers import AutoModelForSeqaSeqLM, AutoTokenizer
@require_torch
@require_sentencepiece
@require_tokenizers
class        _lowercase					(     unittest.TestCase     ):







     @slow
     def 	lowerCAmelCase__    (      self       ):
      __magic_name__     =      AutoModelForSeqaSeqLM.from_pretrained('''google/mt5-small''' ,						return_dict=UpperCamelCase_       ).to(UpperCamelCase_       )
      __magic_name__     =      AutoTokenizer.from_pretrained('''google/mt5-small'''       )

      __magic_name__     =      tokenizer('''Hello there''' ,						return_tensors='''pt'''       ).input_ids
      __magic_name__     =      tokenizer('''Hi I am''' ,						return_tensors='''pt'''       ).input_ids

      __magic_name__     =      model(input_ids.to(UpperCamelCase_       ) ,						labels=labels.to(UpperCamelCase_       )       ).loss
      __magic_name__     =      -(labels.shape[-1] * loss.item())

      __magic_name__     =      -84.9127
      self.assertTrue(abs(mtf_score - EXPECTED_SCORE       ) < 1E-4       )




"""simple docstring"""






import json
import os
import tempfile
import unittest
import unittest.mock as mock
from pathlib import Path

from requests.exceptions import HTTPError

from transformers.utils import (
    CONFIG_NAME,
    FLAX_WEIGHTS_NAME,
    TF2_WEIGHTS_NAME,
    TRANSFORMERS_CACHE,
    WEIGHTS_NAME,
    cached_file,
    get_file_from_repo,
    has_file,
)


__lowerCamelCase										=		"hf-internal-testing/tiny-random-bert"
__lowerCamelCase										=		os.path.join(TRANSFORMERS_CACHE, "models--hf-internal-testing--tiny-random-bert")
__lowerCamelCase										=		"9b8c223d42b2188cb49d29af482996f9d0f3e5a6"
class        _lowercase					(     unittest.TestCase     ):







     def 	lowerCAmelCase__    (      self       ):
      __magic_name__     =      cached_file(UpperCamelCase_ ,						UpperCamelCase_       )
      # Should have downloaded the file in here
      self.assertTrue(os.path.isdir(UpperCamelCase_       )       )
      # Cache should contain at least those three subfolders:
      for subfolder in ["blobs", "refs", "snapshots"]:
       self.assertTrue(os.path.isdir(os.path.join(UpperCamelCase_ ,						UpperCamelCase_       )       )       )
      with open(os.path.join(UpperCamelCase_ ,						'''refs''' ,						'''main'''       )       ) as f:
       __magic_name__     =      f.read()
      self.assertEqual(UpperCamelCase_ ,						os.path.join(UpperCamelCase_ ,						'''snapshots''' ,						UpperCamelCase_ ,						UpperCamelCase_       )       )
      self.assertTrue(os.path.isfile(UpperCamelCase_       )       )

      # File is cached at the same place the second time.
      __magic_name__     =      cached_file(UpperCamelCase_ ,						UpperCamelCase_       )
      self.assertEqual(UpperCamelCase_ ,						UpperCamelCase_       )

      # Using a specific revision to test the full commit hash.
      __magic_name__     =      cached_file(UpperCamelCase_ ,						UpperCamelCase_ ,						revision='''9b8c223'''       )
      self.assertEqual(UpperCamelCase_ ,						os.path.join(UpperCamelCase_ ,						'''snapshots''' ,						UpperCamelCase_ ,						UpperCamelCase_       )       )







     def 	lowerCAmelCase__    (      self       ):
      with self.assertRaisesRegex(UpperCamelCase_ ,						'''is not a valid model identifier'''       ):
       __magic_name__     =      cached_file('''tiny-random-bert''' ,						UpperCamelCase_       )

      with self.assertRaisesRegex(UpperCamelCase_ ,						'''is not a valid git identifier'''       ):
       __magic_name__     =      cached_file(UpperCamelCase_ ,						UpperCamelCase_ ,						revision='''aaaa'''       )

      with self.assertRaisesRegex(UpperCamelCase_ ,						'''does not appear to have a file named'''       ):
       __magic_name__     =      cached_file(UpperCamelCase_ ,						'''conf'''       )







     def 	lowerCAmelCase__    (      self       ):
      with self.assertRaisesRegex(UpperCamelCase_ ,						'''does not appear to have a file named'''       ):
       __magic_name__     =      cached_file(UpperCamelCase_ ,						'''conf'''       )

      with open(os.path.join(UpperCamelCase_ ,						'''refs''' ,						'''main'''       )       ) as f:
       __magic_name__     =      f.read()
      self.assertTrue(os.path.isfile(os.path.join(UpperCamelCase_ ,						'''.no_exist''' ,						UpperCamelCase_ ,						'''conf'''       )       )       )

      __magic_name__     =      cached_file(UpperCamelCase_ ,						'''conf''' ,						_raise_exceptions_for_missing_entries=UpperCamelCase_       )
      self.assertIsNone(UpperCamelCase_       )

      __magic_name__     =      cached_file(UpperCamelCase_ ,						'''conf''' ,						local_files_only=UpperCamelCase_ ,						_raise_exceptions_for_missing_entries=UpperCamelCase_       )
      self.assertIsNone(UpperCamelCase_       )

      __magic_name__     =      mock.Mock()
      __magic_name__     =      500
      __magic_name__     =      {}
      __magic_name__     =      HTTPError
      __magic_name__     =      {}

      # Under the mock environment we get a 500 error when trying to reach the tokenizer.
      with mock.patch('''requests.Session.request''' ,						return_value=UpperCamelCase_       ) as mock_head:
       __magic_name__     =      cached_file(UpperCamelCase_ ,						'''conf''' ,						_raise_exceptions_for_connection_errors=UpperCamelCase_       )
       self.assertIsNone(UpperCamelCase_       )
       # This check we did call the fake head request
       mock_head.assert_called()







     def 	lowerCAmelCase__    (      self       ):
      self.assertTrue(has_file('''hf-internal-testing/tiny-bert-pt-only''' ,						UpperCamelCase_       )       )
      self.assertFalse(has_file('''hf-internal-testing/tiny-bert-pt-only''' ,						UpperCamelCase_       )       )
      self.assertFalse(has_file('''hf-internal-testing/tiny-bert-pt-only''' ,						UpperCamelCase_       )       )







     def 	lowerCAmelCase__    (      self       ):
      # `get_file_from_repo` returns None if the file does not exist
      self.assertIsNone(get_file_from_repo('''bert-base-cased''' ,						'''ahah.txt'''       )       )

      # The function raises if the repository does not exist.
      with self.assertRaisesRegex(UpperCamelCase_ ,						'''is not a valid model identifier'''       ):
       get_file_from_repo('''bert-base-case''' ,						UpperCamelCase_       )

      # The function raises if the revision does not exist.
      with self.assertRaisesRegex(UpperCamelCase_ ,						'''is not a valid git identifier'''       ):
       get_file_from_repo('''bert-base-cased''' ,						UpperCamelCase_ ,						revision='''ahaha'''       )

      __magic_name__     =      get_file_from_repo('''bert-base-cased''' ,						UpperCamelCase_       )
      # The name is the cached name which is not very easy to test, so instead we load the content.
      __magic_name__     =      json.loads(open(UpperCamelCase_ ,						'''r'''       ).read()       )
      self.assertEqual(config['''hidden_size'''] ,						768       )







     def 	lowerCAmelCase__    (      self       ):
      with tempfile.TemporaryDirectory() as tmp_dir:
       __magic_name__     =      Path(UpperCamelCase_       ) / '''a.txt'''
       filename.touch()
       self.assertEqual(get_file_from_repo(UpperCamelCase_ ,						'''a.txt'''       ) ,						str(UpperCamelCase_       )       )

       self.assertIsNone(get_file_from_repo(UpperCamelCase_ ,						'''b.txt'''       )       )

