FIX [`Gemma` / `CI`] Make sure our runners have access to the model (#29242)

* pu hf token in gemma tests

* update suggestion

* add to flax

* revert

* fix

* fixup

* forward contrib credits from discussion

---------
Co-authored-by: ArthurZucker <ArthurZucker@users.noreply.github.com>

src/transformers/testing_utils.py

@@ -31,12 +31,14 @@ import time
 import unittest
 from collections import defaultdict
 from collections.abc import Mapping
+from functools import wraps
 from io import StringIO
 from pathlib import Path
 from typing import Callable, Dict, Iterable, Iterator, List, Optional, Union
 from unittest import mock
 from unittest.mock import patch
 
+import huggingface_hub
 import urllib3
 
 from transformers import logging as transformers_logging
@@ -460,6 +462,20 @@ def require_torch_sdpa(test_case):
     return unittest.skipUnless(is_torch_sdpa_available(), "test requires PyTorch SDPA")(test_case)
 
 
+def require_read_token(fn):
+    """
+    A decorator that loads the HF token for tests that require to load gated models.
+    """
+    token = os.getenv("HF_HUB_READ_TOKEN", None)
+
+    @wraps(fn)
+    def _inner(*args, **kwargs):
+        with patch(huggingface_hub.utils._headers, "get_token", return_value=token):
+            return fn(*args, **kwargs)
+
+    return _inner
+
+
 def require_peft(test_case):
     """
     Decorator marking a test that requires PEFT.

tests/models/gemma/test_modeling_flax_gemma.py

@@ -11,14 +11,12 @@
 # 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 numpy as np
 
 from transformers import AutoTokenizer, GemmaConfig, is_flax_available
-from transformers.testing_utils import require_flax, slow
+from transformers.testing_utils import require_flax, require_read_token, slow
 
 from ...generation.test_flax_utils import FlaxGenerationTesterMixin
 from ...test_modeling_flax_common import FlaxModelTesterMixin, ids_tensor
@@ -205,6 +203,7 @@ class FlaxGemmaModelTest(FlaxModelTesterMixin, FlaxGenerationTesterMixin, unitte
 
 @slow
 @require_flax
+@require_read_token
 class FlaxGemmaIntegrationTest(unittest.TestCase):
     input_text = ["The capital of France is", "To play the perfect cover drive"]
     model_id = "google/gemma-2b"

tests/models/gemma/test_modeling_gemma.py

@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 """ Testing suite for the PyTorch Gemma model. """
-
 import tempfile
 import unittest
 
@@ -24,6 +23,7 @@ from transformers import AutoModelForCausalLM, AutoTokenizer, GemmaConfig, is_to
 from transformers.testing_utils import (
     require_bitsandbytes,
     require_flash_attn,
+    require_read_token,
     require_torch,
     require_torch_gpu,
     require_torch_sdpa,
@@ -529,6 +529,7 @@ class GemmaModelTest(ModelTesterMixin, GenerationTesterMixin, PipelineTesterMixi
 
 @require_torch_gpu
 @slow
+@require_read_token
 class GemmaIntegrationTest(unittest.TestCase):
     input_text = ["Hello I am doing", "Hi today"]