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| # coding=utf-8 | |
| # Copyright 2019-present, the HuggingFace Inc. team. | |
| # | |
| # 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 importlib | |
| import json | |
| import os | |
| import sys | |
| import tempfile | |
| import unittest | |
| from pathlib import Path | |
| import transformers.models.auto | |
| from transformers.models.auto.configuration_auto import CONFIG_MAPPING, AutoConfig | |
| from transformers.models.bert.configuration_bert import BertConfig | |
| from transformers.models.roberta.configuration_roberta import RobertaConfig | |
| from transformers.testing_utils import DUMMY_UNKNOWN_IDENTIFIER, get_tests_dir | |
| sys.path.append(str(Path(__file__).parent.parent.parent.parent / "utils")) | |
| from test_module.custom_configuration import CustomConfig # noqa E402 | |
| SAMPLE_ROBERTA_CONFIG = get_tests_dir("fixtures/dummy-config.json") | |
| class AutoConfigTest(unittest.TestCase): | |
| def test_module_spec(self): | |
| self.assertIsNotNone(transformers.models.auto.__spec__) | |
| self.assertIsNotNone(importlib.util.find_spec("transformers.models.auto")) | |
| def test_config_from_model_shortcut(self): | |
| config = AutoConfig.from_pretrained("bert-base-uncased") | |
| self.assertIsInstance(config, BertConfig) | |
| def test_config_model_type_from_local_file(self): | |
| config = AutoConfig.from_pretrained(SAMPLE_ROBERTA_CONFIG) | |
| self.assertIsInstance(config, RobertaConfig) | |
| def test_config_model_type_from_model_identifier(self): | |
| config = AutoConfig.from_pretrained(DUMMY_UNKNOWN_IDENTIFIER) | |
| self.assertIsInstance(config, RobertaConfig) | |
| def test_config_for_model_str(self): | |
| config = AutoConfig.for_model("roberta") | |
| self.assertIsInstance(config, RobertaConfig) | |
| def test_pattern_matching_fallback(self): | |
| with tempfile.TemporaryDirectory() as tmp_dir: | |
| # This model name contains bert and roberta, but roberta ends up being picked. | |
| folder = os.path.join(tmp_dir, "fake-roberta") | |
| os.makedirs(folder, exist_ok=True) | |
| with open(os.path.join(folder, "config.json"), "w") as f: | |
| f.write(json.dumps({})) | |
| config = AutoConfig.from_pretrained(folder) | |
| self.assertEqual(type(config), RobertaConfig) | |
| def test_new_config_registration(self): | |
| try: | |
| AutoConfig.register("custom", CustomConfig) | |
| # Wrong model type will raise an error | |
| with self.assertRaises(ValueError): | |
| AutoConfig.register("model", CustomConfig) | |
| # Trying to register something existing in the Transformers library will raise an error | |
| with self.assertRaises(ValueError): | |
| AutoConfig.register("bert", BertConfig) | |
| # Now that the config is registered, it can be used as any other config with the auto-API | |
| config = CustomConfig() | |
| with tempfile.TemporaryDirectory() as tmp_dir: | |
| config.save_pretrained(tmp_dir) | |
| new_config = AutoConfig.from_pretrained(tmp_dir) | |
| self.assertIsInstance(new_config, CustomConfig) | |
| finally: | |
| if "custom" in CONFIG_MAPPING._extra_content: | |
| del CONFIG_MAPPING._extra_content["custom"] | |
| def test_repo_not_found(self): | |
| with self.assertRaisesRegex( | |
| EnvironmentError, "bert-base is not a local folder and is not a valid model identifier" | |
| ): | |
| _ = AutoConfig.from_pretrained("bert-base") | |
| def test_revision_not_found(self): | |
| with self.assertRaisesRegex( | |
| EnvironmentError, r"aaaaaa is not a valid git identifier \(branch name, tag name or commit id\)" | |
| ): | |
| _ = AutoConfig.from_pretrained(DUMMY_UNKNOWN_IDENTIFIER, revision="aaaaaa") | |
| def test_configuration_not_found(self): | |
| with self.assertRaisesRegex( | |
| EnvironmentError, | |
| "hf-internal-testing/no-config-test-repo does not appear to have a file named config.json.", | |
| ): | |
| _ = AutoConfig.from_pretrained("hf-internal-testing/no-config-test-repo") | |
| def test_from_pretrained_dynamic_config(self): | |
| config = AutoConfig.from_pretrained("hf-internal-testing/test_dynamic_model", trust_remote_code=True) | |
| self.assertEqual(config.__class__.__name__, "NewModelConfig") | |
| # Test config can be reloaded. | |
| with tempfile.TemporaryDirectory() as tmp_dir: | |
| config.save_pretrained(tmp_dir) | |
| reloaded_config = AutoConfig.from_pretrained(tmp_dir, trust_remote_code=True) | |
| self.assertEqual(reloaded_config.__class__.__name__, "NewModelConfig") | |