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testing_utils.py
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3319 lines (2578 loc) · 113 KB
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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 collections
import contextlib
import copy
import doctest
import functools
import gc
import importlib
import inspect
import logging
import multiprocessing
import os
import re
import shlex
import shutil
import subprocess
import sys
import tempfile
import threading
import time
import types
import unittest
from collections import UserDict, defaultdict
from collections.abc import Generator, Iterable, Iterator, Mapping
from dataclasses import MISSING, fields
from functools import cache, wraps
from io import StringIO
from pathlib import Path
from typing import Any, Callable, Optional, Union
from unittest import mock
from unittest.mock import patch
import huggingface_hub.utils
import requests
import urllib3
from huggingface_hub import delete_repo
from packaging import version
from transformers import Trainer
from transformers import logging as transformers_logging
from .integrations import (
is_clearml_available,
is_optuna_available,
is_ray_available,
is_sigopt_available,
is_swanlab_available,
is_tensorboard_available,
is_wandb_available,
)
from .integrations.deepspeed import is_deepspeed_available
from .utils import (
ACCELERATE_MIN_VERSION,
GGUF_MIN_VERSION,
is_accelerate_available,
is_apex_available,
is_apollo_torch_available,
is_aqlm_available,
is_auto_awq_available,
is_auto_gptq_available,
is_auto_round_available,
is_av_available,
is_bitsandbytes_available,
is_bitsandbytes_multi_backend_available,
is_bs4_available,
is_compressed_tensors_available,
is_cv2_available,
is_cython_available,
is_decord_available,
is_detectron2_available,
is_eetq_available,
is_essentia_available,
is_faiss_available,
is_fbgemm_gpu_available,
is_flash_attn_2_available,
is_flax_available,
is_flute_available,
is_fsdp_available,
is_ftfy_available,
is_g2p_en_available,
is_galore_torch_available,
is_gguf_available,
is_gptqmodel_available,
is_grokadamw_available,
is_hadamard_available,
is_hqq_available,
is_huggingface_hub_greater_or_equal,
is_ipex_available,
is_jieba_available,
is_jinja_available,
is_jumanpp_available,
is_keras_nlp_available,
is_levenshtein_available,
is_librosa_available,
is_liger_kernel_available,
is_lomo_available,
is_natten_available,
is_nltk_available,
is_onnx_available,
is_optimum_available,
is_optimum_quanto_available,
is_pandas_available,
is_peft_available,
is_phonemizer_available,
is_pretty_midi_available,
is_psutil_available,
is_pyctcdecode_available,
is_pytesseract_available,
is_pytest_available,
is_pytorch_quantization_available,
is_quark_available,
is_rjieba_available,
is_sacremoses_available,
is_safetensors_available,
is_schedulefree_available,
is_scipy_available,
is_sentencepiece_available,
is_seqio_available,
is_soundfile_available,
is_spacy_available,
is_speech_available,
is_spqr_available,
is_sudachi_available,
is_sudachi_projection_available,
is_tensorflow_probability_available,
is_tensorflow_text_available,
is_tf2onnx_available,
is_tf_available,
is_tiktoken_available,
is_timm_available,
is_tokenizers_available,
is_torch_available,
is_torch_bf16_available_on_device,
is_torch_bf16_gpu_available,
is_torch_fp16_available_on_device,
is_torch_greater_or_equal,
is_torch_hpu_available,
is_torch_mlu_available,
is_torch_neuroncore_available,
is_torch_npu_available,
is_torch_sdpa_available,
is_torch_tensorrt_fx_available,
is_torch_tf32_available,
is_torch_xla_available,
is_torch_xpu_available,
is_torchao_available,
is_torchaudio_available,
is_torchdynamo_available,
is_torchvision_available,
is_vision_available,
is_vptq_available,
strtobool,
)
if is_accelerate_available():
from accelerate.state import AcceleratorState, PartialState
from accelerate.utils.imports import is_fp8_available
if is_pytest_available():
from _pytest.doctest import (
Module,
_get_checker,
_get_continue_on_failure,
_get_runner,
_is_mocked,
_patch_unwrap_mock_aware,
get_optionflags,
)
from _pytest.outcomes import skip
from _pytest.pathlib import import_path
from pytest import DoctestItem
else:
Module = object
DoctestItem = object
SMALL_MODEL_IDENTIFIER = "julien-c/bert-xsmall-dummy"
DUMMY_UNKNOWN_IDENTIFIER = "julien-c/dummy-unknown"
DUMMY_DIFF_TOKENIZER_IDENTIFIER = "julien-c/dummy-diff-tokenizer"
# Used to test Auto{Config, Model, Tokenizer} model_type detection.
# Used to test the hub
USER = "__DUMMY_TRANSFORMERS_USER__"
ENDPOINT_STAGING = "https://hub-ci.huggingface.co"
# Not critical, only usable on the sandboxed CI instance.
TOKEN = "hf_94wBhPGp6KrrTH3KDchhKpRxZwd6dmHWLL"
if is_torch_available():
import torch
IS_ROCM_SYSTEM = torch.version.hip is not None
IS_CUDA_SYSTEM = torch.version.cuda is not None
IS_XPU_SYSTEM = getattr(torch.version, "xpu", None) is not None
else:
IS_ROCM_SYSTEM = False
IS_CUDA_SYSTEM = False
IS_XPU_SYSTEM = False
logger = transformers_logging.get_logger(__name__)
def parse_flag_from_env(key, default=False):
try:
value = os.environ[key]
except KeyError:
# KEY isn't set, default to `default`.
_value = default
else:
# KEY is set, convert it to True or False.
try:
_value = strtobool(value)
except ValueError:
# More values are supported, but let's keep the message simple.
raise ValueError(f"If set, {key} must be yes or no.")
return _value
def parse_int_from_env(key, default=None):
try:
value = os.environ[key]
except KeyError:
_value = default
else:
try:
_value = int(value)
except ValueError:
raise ValueError(f"If set, {key} must be a int.")
return _value
_run_slow_tests = parse_flag_from_env("RUN_SLOW", default=False)
_run_flaky_tests = parse_flag_from_env("RUN_FLAKY", default=True)
_run_custom_tokenizers = parse_flag_from_env("RUN_CUSTOM_TOKENIZERS", default=False)
_run_staging = parse_flag_from_env("HUGGINGFACE_CO_STAGING", default=False)
_run_pipeline_tests = parse_flag_from_env("RUN_PIPELINE_TESTS", default=True)
_run_agent_tests = parse_flag_from_env("RUN_AGENT_TESTS", default=False)
def is_staging_test(test_case):
"""
Decorator marking a test as a staging test.
Those tests will run using the staging environment of huggingface.co instead of the real model hub.
"""
if not _run_staging:
return unittest.skip(reason="test is staging test")(test_case)
else:
try:
import pytest # We don't need a hard dependency on pytest in the main library
except ImportError:
return test_case
else:
return pytest.mark.is_staging_test()(test_case)
def is_pipeline_test(test_case):
"""
Decorator marking a test as a pipeline test. If RUN_PIPELINE_TESTS is set to a falsy value, those tests will be
skipped.
"""
if not _run_pipeline_tests:
return unittest.skip(reason="test is pipeline test")(test_case)
else:
try:
import pytest # We don't need a hard dependency on pytest in the main library
except ImportError:
return test_case
else:
return pytest.mark.is_pipeline_test()(test_case)
def is_agent_test(test_case):
"""
Decorator marking a test as an agent test. If RUN_TOOL_TESTS is set to a falsy value, those tests will be skipped.
"""
if not _run_agent_tests:
return unittest.skip(reason="test is an agent test")(test_case)
else:
try:
import pytest # We don't need a hard dependency on pytest in the main library
except ImportError:
return test_case
else:
return pytest.mark.is_agent_test()(test_case)
def slow(test_case):
"""
Decorator marking a test as slow.
Slow tests are skipped by default. Set the RUN_SLOW environment variable to a truthy value to run them.
"""
return unittest.skipUnless(_run_slow_tests, "test is slow")(test_case)
def tooslow(test_case):
"""
Decorator marking a test as too slow.
Slow tests are skipped while they're in the process of being fixed. No test should stay tagged as "tooslow" as
these will not be tested by the CI.
"""
return unittest.skip(reason="test is too slow")(test_case)
def skip_if_not_implemented(test_func):
@functools.wraps(test_func)
def wrapper(*args, **kwargs):
try:
return test_func(*args, **kwargs)
except NotImplementedError as e:
raise unittest.SkipTest(f"Test skipped due to NotImplementedError: {e}")
return wrapper
def apply_skip_if_not_implemented(cls):
"""
Class decorator to apply @skip_if_not_implemented to all test methods.
"""
for attr_name in dir(cls):
if attr_name.startswith("test_"):
attr = getattr(cls, attr_name)
if callable(attr):
setattr(cls, attr_name, skip_if_not_implemented(attr))
return cls
def custom_tokenizers(test_case):
"""
Decorator marking a test for a custom tokenizer.
Custom tokenizers require additional dependencies, and are skipped by default. Set the RUN_CUSTOM_TOKENIZERS
environment variable to a truthy value to run them.
"""
return unittest.skipUnless(_run_custom_tokenizers, "test of custom tokenizers")(test_case)
def require_bs4(test_case):
"""
Decorator marking a test that requires BeautifulSoup4. These tests are skipped when BeautifulSoup4 isn't installed.
"""
return unittest.skipUnless(is_bs4_available(), "test requires BeautifulSoup4")(test_case)
def require_galore_torch(test_case):
"""
Decorator marking a test that requires GaLore. These tests are skipped when GaLore isn't installed.
https://github.com/jiaweizzhao/GaLore
"""
return unittest.skipUnless(is_galore_torch_available(), "test requires GaLore")(test_case)
def require_apollo_torch(test_case):
"""
Decorator marking a test that requires GaLore. These tests are skipped when APOLLO isn't installed.
https://github.com/zhuhanqing/APOLLO
"""
return unittest.skipUnless(is_apollo_torch_available(), "test requires APOLLO")(test_case)
def require_lomo(test_case):
"""
Decorator marking a test that requires LOMO. These tests are skipped when LOMO-optim isn't installed.
https://github.com/OpenLMLab/LOMO
"""
return unittest.skipUnless(is_lomo_available(), "test requires LOMO")(test_case)
def require_grokadamw(test_case):
"""
Decorator marking a test that requires GrokAdamW. These tests are skipped when GrokAdamW isn't installed.
"""
return unittest.skipUnless(is_grokadamw_available(), "test requires GrokAdamW")(test_case)
def require_schedulefree(test_case):
"""
Decorator marking a test that requires schedulefree. These tests are skipped when schedulefree isn't installed.
https://github.com/facebookresearch/schedule_free
"""
return unittest.skipUnless(is_schedulefree_available(), "test requires schedulefree")(test_case)
def require_cv2(test_case):
"""
Decorator marking a test that requires OpenCV.
These tests are skipped when OpenCV isn't installed.
"""
return unittest.skipUnless(is_cv2_available(), "test requires OpenCV")(test_case)
def require_levenshtein(test_case):
"""
Decorator marking a test that requires Levenshtein.
These tests are skipped when Levenshtein isn't installed.
"""
return unittest.skipUnless(is_levenshtein_available(), "test requires Levenshtein")(test_case)
def require_nltk(test_case):
"""
Decorator marking a test that requires NLTK.
These tests are skipped when NLTK isn't installed.
"""
return unittest.skipUnless(is_nltk_available(), "test requires NLTK")(test_case)
def require_accelerate(test_case, min_version: str = ACCELERATE_MIN_VERSION):
"""
Decorator marking a test that requires accelerate. These tests are skipped when accelerate isn't installed.
"""
return unittest.skipUnless(
is_accelerate_available(min_version), f"test requires accelerate version >= {min_version}"
)(test_case)
def require_gguf(test_case, min_version: str = GGUF_MIN_VERSION):
"""
Decorator marking a test that requires ggguf. These tests are skipped when gguf isn't installed.
"""
return unittest.skipUnless(is_gguf_available(min_version), f"test requires gguf version >= {min_version}")(
test_case
)
def require_fsdp(test_case, min_version: str = "1.12.0"):
"""
Decorator marking a test that requires fsdp. These tests are skipped when fsdp isn't installed.
"""
return unittest.skipUnless(is_fsdp_available(min_version), f"test requires torch version >= {min_version}")(
test_case
)
def require_g2p_en(test_case):
"""
Decorator marking a test that requires g2p_en. These tests are skipped when SentencePiece isn't installed.
"""
return unittest.skipUnless(is_g2p_en_available(), "test requires g2p_en")(test_case)
def require_safetensors(test_case):
"""
Decorator marking a test that requires safetensors. These tests are skipped when safetensors isn't installed.
"""
return unittest.skipUnless(is_safetensors_available(), "test requires safetensors")(test_case)
def require_rjieba(test_case):
"""
Decorator marking a test that requires rjieba. These tests are skipped when rjieba isn't installed.
"""
return unittest.skipUnless(is_rjieba_available(), "test requires rjieba")(test_case)
def require_jieba(test_case):
"""
Decorator marking a test that requires jieba. These tests are skipped when jieba isn't installed.
"""
return unittest.skipUnless(is_jieba_available(), "test requires jieba")(test_case)
def require_jinja(test_case):
"""
Decorator marking a test that requires jinja. These tests are skipped when jinja isn't installed.
"""
return unittest.skipUnless(is_jinja_available(), "test requires jinja")(test_case)
def require_tf2onnx(test_case):
return unittest.skipUnless(is_tf2onnx_available(), "test requires tf2onnx")(test_case)
def require_onnx(test_case):
return unittest.skipUnless(is_onnx_available(), "test requires ONNX")(test_case)
def require_timm(test_case):
"""
Decorator marking a test that requires Timm.
These tests are skipped when Timm isn't installed.
"""
return unittest.skipUnless(is_timm_available(), "test requires Timm")(test_case)
def require_natten(test_case):
"""
Decorator marking a test that requires NATTEN.
These tests are skipped when NATTEN isn't installed.
"""
return unittest.skipUnless(is_natten_available(), "test requires natten")(test_case)
def require_torch(test_case):
"""
Decorator marking a test that requires PyTorch.
These tests are skipped when PyTorch isn't installed.
"""
return unittest.skipUnless(is_torch_available(), "test requires PyTorch")(test_case)
def require_torch_greater_or_equal(version: str):
"""
Decorator marking a test that requires PyTorch version >= `version`.
These tests are skipped when PyTorch version is less than `version`.
"""
def decorator(test_case):
return unittest.skipUnless(is_torch_greater_or_equal(version), f"test requires PyTorch version >= {version}")(
test_case
)
return decorator
def require_huggingface_hub_greater_or_equal(version: str):
"""
Decorator marking a test that requires huggingface_hub version >= `version`.
These tests are skipped when huggingface_hub version is less than `version`.
"""
def decorator(test_case):
return unittest.skipUnless(
is_huggingface_hub_greater_or_equal(version), f"test requires huggingface_hub version >= {version}"
)(test_case)
return decorator
def require_flash_attn(test_case):
"""
Decorator marking a test that requires Flash Attention.
These tests are skipped when Flash Attention isn't installed.
"""
return unittest.skipUnless(is_flash_attn_2_available(), "test requires Flash Attention")(test_case)
def require_torch_sdpa(test_case):
"""
Decorator marking a test that requires PyTorch's SDPA.
These tests are skipped when requirements are not met (torch version).
"""
return unittest.skipUnless(is_torch_sdpa_available(), "test requires PyTorch SDPA")(test_case)
def require_read_token(test_case):
"""
A decorator that loads the HF token for tests that require to load gated models.
"""
token = os.getenv("HF_HUB_READ_TOKEN")
if isinstance(test_case, type):
for attr_name in dir(test_case):
attr = getattr(test_case, attr_name)
if isinstance(attr, types.FunctionType):
if getattr(attr, "__require_read_token__", False):
continue
wrapped = require_read_token(attr)
setattr(test_case, attr_name, wrapped)
return test_case
else:
if getattr(test_case, "__require_read_token__", False):
return test_case
@functools.wraps(test_case)
def wrapper(*args, **kwargs):
if token is not None:
with patch("huggingface_hub.utils._headers.get_token", return_value=token):
return test_case(*args, **kwargs)
else: # Allow running locally with the default token env variable
# dealing with static/class methods and called by `self.xxx`
if "staticmethod" in inspect.getsource(test_case).strip():
if len(args) > 0 and isinstance(args[0], unittest.TestCase):
return test_case(*args[1:], **kwargs)
return test_case(*args, **kwargs)
wrapper.__require_read_token__ = True
return wrapper
def require_peft(test_case):
"""
Decorator marking a test that requires PEFT.
These tests are skipped when PEFT isn't installed.
"""
return unittest.skipUnless(is_peft_available(), "test requires PEFT")(test_case)
def require_torchvision(test_case):
"""
Decorator marking a test that requires Torchvision.
These tests are skipped when Torchvision isn't installed.
"""
return unittest.skipUnless(is_torchvision_available(), "test requires Torchvision")(test_case)
def require_torch_or_tf(test_case):
"""
Decorator marking a test that requires PyTorch or TensorFlow.
These tests are skipped when neither PyTorch not TensorFlow is installed.
"""
return unittest.skipUnless(is_torch_available() or is_tf_available(), "test requires PyTorch or TensorFlow")(
test_case
)
def require_intel_extension_for_pytorch(test_case):
"""
Decorator marking a test that requires Intel Extension for PyTorch.
These tests are skipped when Intel Extension for PyTorch isn't installed or it does not match current PyTorch
version.
"""
return unittest.skipUnless(
is_ipex_available(),
"test requires Intel Extension for PyTorch to be installed and match current PyTorch version, see"
" https://github.com/intel/intel-extension-for-pytorch",
)(test_case)
def require_tensorflow_probability(test_case):
"""
Decorator marking a test that requires TensorFlow probability.
These tests are skipped when TensorFlow probability isn't installed.
"""
return unittest.skipUnless(is_tensorflow_probability_available(), "test requires TensorFlow probability")(
test_case
)
def require_torchaudio(test_case):
"""
Decorator marking a test that requires torchaudio. These tests are skipped when torchaudio isn't installed.
"""
return unittest.skipUnless(is_torchaudio_available(), "test requires torchaudio")(test_case)
def require_tf(test_case):
"""
Decorator marking a test that requires TensorFlow. These tests are skipped when TensorFlow isn't installed.
"""
return unittest.skipUnless(is_tf_available(), "test requires TensorFlow")(test_case)
def require_flax(test_case):
"""
Decorator marking a test that requires JAX & Flax. These tests are skipped when one / both are not installed
"""
return unittest.skipUnless(is_flax_available(), "test requires JAX & Flax")(test_case)
def require_sentencepiece(test_case):
"""
Decorator marking a test that requires SentencePiece. These tests are skipped when SentencePiece isn't installed.
"""
return unittest.skipUnless(is_sentencepiece_available(), "test requires SentencePiece")(test_case)
def require_sacremoses(test_case):
"""
Decorator marking a test that requires Sacremoses. These tests are skipped when Sacremoses isn't installed.
"""
return unittest.skipUnless(is_sacremoses_available(), "test requires Sacremoses")(test_case)
def require_seqio(test_case):
"""
Decorator marking a test that requires SentencePiece. These tests are skipped when SentencePiece isn't installed.
"""
return unittest.skipUnless(is_seqio_available(), "test requires Seqio")(test_case)
def require_scipy(test_case):
"""
Decorator marking a test that requires Scipy. These tests are skipped when SentencePiece isn't installed.
"""
return unittest.skipUnless(is_scipy_available(), "test requires Scipy")(test_case)
def require_tokenizers(test_case):
"""
Decorator marking a test that requires 🤗 Tokenizers. These tests are skipped when 🤗 Tokenizers isn't installed.
"""
return unittest.skipUnless(is_tokenizers_available(), "test requires tokenizers")(test_case)
def require_tensorflow_text(test_case):
"""
Decorator marking a test that requires tensorflow_text. These tests are skipped when tensroflow_text isn't
installed.
"""
return unittest.skipUnless(is_tensorflow_text_available(), "test requires tensorflow_text")(test_case)
def require_keras_nlp(test_case):
"""
Decorator marking a test that requires keras_nlp. These tests are skipped when keras_nlp isn't installed.
"""
return unittest.skipUnless(is_keras_nlp_available(), "test requires keras_nlp")(test_case)
def require_pandas(test_case):
"""
Decorator marking a test that requires pandas. These tests are skipped when pandas isn't installed.
"""
return unittest.skipUnless(is_pandas_available(), "test requires pandas")(test_case)
def require_pytesseract(test_case):
"""
Decorator marking a test that requires PyTesseract. These tests are skipped when PyTesseract isn't installed.
"""
return unittest.skipUnless(is_pytesseract_available(), "test requires PyTesseract")(test_case)
def require_pytorch_quantization(test_case):
"""
Decorator marking a test that requires PyTorch Quantization Toolkit. These tests are skipped when PyTorch
Quantization Toolkit isn't installed.
"""
return unittest.skipUnless(is_pytorch_quantization_available(), "test requires PyTorch Quantization Toolkit")(
test_case
)
def require_vision(test_case):
"""
Decorator marking a test that requires the vision dependencies. These tests are skipped when torchaudio isn't
installed.
"""
return unittest.skipUnless(is_vision_available(), "test requires vision")(test_case)
def require_ftfy(test_case):
"""
Decorator marking a test that requires ftfy. These tests are skipped when ftfy isn't installed.
"""
return unittest.skipUnless(is_ftfy_available(), "test requires ftfy")(test_case)
def require_spacy(test_case):
"""
Decorator marking a test that requires SpaCy. These tests are skipped when SpaCy isn't installed.
"""
return unittest.skipUnless(is_spacy_available(), "test requires spacy")(test_case)
def require_torch_multi_gpu(test_case):
"""
Decorator marking a test that requires a multi-GPU CUDA setup (in PyTorch). These tests are skipped on a machine without
multiple CUDA GPUs.
To run *only* the multi_gpu tests, assuming all test names contain multi_gpu: $ pytest -sv ./tests -k "multi_gpu"
"""
if not is_torch_available():
return unittest.skip(reason="test requires PyTorch")(test_case)
import torch
return unittest.skipUnless(torch.cuda.device_count() > 1, "test requires multiple CUDA GPUs")(test_case)
def require_torch_multi_accelerator(test_case):
"""
Decorator marking a test that requires a multi-accelerator (in PyTorch). These tests are skipped on a machine
without multiple accelerators. To run *only* the multi_accelerator tests, assuming all test names contain
multi_accelerator: $ pytest -sv ./tests -k "multi_accelerator"
"""
if not is_torch_available():
return unittest.skip(reason="test requires PyTorch")(test_case)
return unittest.skipUnless(backend_device_count(torch_device) > 1, "test requires multiple accelerators")(
test_case
)
def require_torch_non_multi_gpu(test_case):
"""
Decorator marking a test that requires 0 or 1 GPU setup (in PyTorch).
"""
if not is_torch_available():
return unittest.skip(reason="test requires PyTorch")(test_case)
import torch
return unittest.skipUnless(torch.cuda.device_count() < 2, "test requires 0 or 1 GPU")(test_case)
def require_torch_non_multi_accelerator(test_case):
"""
Decorator marking a test that requires 0 or 1 accelerator setup (in PyTorch).
"""
if not is_torch_available():
return unittest.skip(reason="test requires PyTorch")(test_case)
return unittest.skipUnless(backend_device_count(torch_device) < 2, "test requires 0 or 1 accelerator")(test_case)
def require_torch_up_to_2_gpus(test_case):
"""
Decorator marking a test that requires 0 or 1 or 2 GPU setup (in PyTorch).
"""
if not is_torch_available():
return unittest.skip(reason="test requires PyTorch")(test_case)
import torch
return unittest.skipUnless(torch.cuda.device_count() < 3, "test requires 0 or 1 or 2 GPUs")(test_case)
def require_torch_up_to_2_accelerators(test_case):
"""
Decorator marking a test that requires 0 or 1 or 2 accelerator setup (in PyTorch).
"""
if not is_torch_available():
return unittest.skip(reason="test requires PyTorch")(test_case)
return unittest.skipUnless(backend_device_count(torch_device) < 3, "test requires 0 or 1 or 2 accelerators")(
test_case
)
def require_torch_xla(test_case):
"""
Decorator marking a test that requires TorchXLA (in PyTorch).
"""
return unittest.skipUnless(is_torch_xla_available(), "test requires TorchXLA")(test_case)
def require_torch_neuroncore(test_case):
"""
Decorator marking a test that requires NeuronCore (in PyTorch).
"""
return unittest.skipUnless(is_torch_neuroncore_available(check_device=False), "test requires PyTorch NeuronCore")(
test_case
)
def require_torch_npu(test_case):
"""
Decorator marking a test that requires NPU (in PyTorch).
"""
return unittest.skipUnless(is_torch_npu_available(), "test requires PyTorch NPU")(test_case)
def require_torch_multi_npu(test_case):
"""
Decorator marking a test that requires a multi-NPU setup (in PyTorch). These tests are skipped on a machine without
multiple NPUs.
To run *only* the multi_npu tests, assuming all test names contain multi_npu: $ pytest -sv ./tests -k "multi_npu"
"""
if not is_torch_npu_available():
return unittest.skip(reason="test requires PyTorch NPU")(test_case)
return unittest.skipUnless(torch.npu.device_count() > 1, "test requires multiple NPUs")(test_case)
def require_non_hpu(test_case):
"""
Decorator marking a test that should be skipped for HPU.
"""
return unittest.skipUnless(torch_device != "hpu", "test requires a non-HPU")(test_case)
def require_torch_xpu(test_case):
"""
Decorator marking a test that requires XPU (in PyTorch).
These tests are skipped when XPU backend is not available. XPU backend might be available either via stock
PyTorch (>=2.4) or via Intel Extension for PyTorch. In the latter case, if IPEX is installed, its version
must match match current PyTorch version.
"""
return unittest.skipUnless(is_torch_xpu_available(), "test requires XPU device")(test_case)
def require_non_xpu(test_case):
"""
Decorator marking a test that should be skipped for XPU.
"""
return unittest.skipUnless(torch_device != "xpu", "test requires a non-XPU")(test_case)
def require_torch_multi_xpu(test_case):
"""
Decorator marking a test that requires a multi-XPU setup (in PyTorch). These tests are skipped on a machine without
multiple XPUs.
To run *only* the multi_xpu tests, assuming all test names contain multi_xpu: $ pytest -sv ./tests -k "multi_xpu"
"""
if not is_torch_xpu_available():
return unittest.skip(reason="test requires PyTorch XPU")(test_case)
return unittest.skipUnless(torch.xpu.device_count() > 1, "test requires multiple XPUs")(test_case)
def require_torch_multi_hpu(test_case):
"""
Decorator marking a test that requires a multi-HPU setup (in PyTorch). These tests are skipped on a machine without
multiple HPUs.
To run *only* the multi_hpu tests, assuming all test names contain multi_hpu: $ pytest -sv ./tests -k "multi_hpu"
"""
if not is_torch_hpu_available():
return unittest.skip(reason="test requires PyTorch HPU")(test_case)
return unittest.skipUnless(torch.hpu.device_count() > 1, "test requires multiple HPUs")(test_case)
if is_torch_available():
# Set env var CUDA_VISIBLE_DEVICES="" to force cpu-mode
import torch
if "TRANSFORMERS_TEST_BACKEND" in os.environ:
backend = os.environ["TRANSFORMERS_TEST_BACKEND"]
try:
_ = importlib.import_module(backend)
except ModuleNotFoundError as e:
raise ModuleNotFoundError(
f"Failed to import `TRANSFORMERS_TEST_BACKEND` '{backend}'! This should be the name of an installed module. The original error (look up to see its"
f" traceback):\n{e}"
) from e
if "TRANSFORMERS_TEST_DEVICE" in os.environ:
torch_device = os.environ["TRANSFORMERS_TEST_DEVICE"]
if torch_device == "cuda" and not torch.cuda.is_available():
raise ValueError(
f"TRANSFORMERS_TEST_DEVICE={torch_device}, but CUDA is unavailable. Please double-check your testing environment."
)
if torch_device == "xpu" and not is_torch_xpu_available():
raise ValueError(
f"TRANSFORMERS_TEST_DEVICE={torch_device}, but XPU is unavailable. Please double-check your testing environment."
)
if torch_device == "npu" and not is_torch_npu_available():
raise ValueError(
f"TRANSFORMERS_TEST_DEVICE={torch_device}, but NPU is unavailable. Please double-check your testing environment."
)
if torch_device == "mlu" and not is_torch_mlu_available():
raise ValueError(
f"TRANSFORMERS_TEST_DEVICE={torch_device}, but MLU is unavailable. Please double-check your testing environment."
)
if torch_device == "hpu" and not is_torch_hpu_available():
raise ValueError(
f"TRANSFORMERS_TEST_DEVICE={torch_device}, but HPU is unavailable. Please double-check your testing environment."
)
try:
# try creating device to see if provided device is valid
_ = torch.device(torch_device)
except RuntimeError as e:
raise RuntimeError(
f"Unknown testing device specified by environment variable `TRANSFORMERS_TEST_DEVICE`: {torch_device}"
) from e
elif torch.cuda.is_available():
torch_device = "cuda"