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# coding=utf-8
# Copyright 2023-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 os
import tempfile
import unittest
from peft import LoraConfig, PrefixTuningConfig, PromptEncoderConfig, PromptTuningConfig
class PeftConfigTestMixin:
all_config_classes = (
LoraConfig,
PromptEncoderConfig,
PrefixTuningConfig,
PromptTuningConfig,
)
class PeftConfigTester(unittest.TestCase, PeftConfigTestMixin):
def test_methods(self):
r"""
Test if all configs have the expected methods. Here we test
- to_dict
- save_pretrained
- from_pretrained
- from_json_file
"""
# test if all configs have the expected methods
for config_class in self.all_config_classes:
config = config_class()
self.assertTrue(hasattr(config, "to_dict"))
self.assertTrue(hasattr(config, "save_pretrained"))
self.assertTrue(hasattr(config, "from_pretrained"))
self.assertTrue(hasattr(config, "from_json_file"))
def test_task_type(self):
for config_class in self.all_config_classes:
# assert this will not fail
_ = config_class(task_type="test")
def test_save_pretrained(self):
r"""
Test if the config is correctly saved and loaded using
- save_pretrained
"""
for config_class in self.all_config_classes:
config = config_class()
with tempfile.TemporaryDirectory() as tmp_dirname:
config.save_pretrained(tmp_dirname)
config_from_pretrained = config_class.from_pretrained(tmp_dirname)
self.assertEqual(config.to_dict(), config_from_pretrained.to_dict())
def test_from_json_file(self):
for config_class in self.all_config_classes:
config = config_class()
with tempfile.TemporaryDirectory() as tmp_dirname:
config.save_pretrained(tmp_dirname)
config_from_json = config_class.from_json_file(os.path.join(tmp_dirname, "adapter_config.json"))
self.assertEqual(config.to_dict(), config_from_json)
def test_to_dict(self):
r"""
Test if the config can be correctly converted to a dict using:
- to_dict
- __dict__
"""
for config_class in self.all_config_classes:
config = config_class()
self.assertEqual(config.to_dict(), config.__dict__)
self.assertTrue(isinstance(config.to_dict(), dict))
def test_set_attributes(self):
# manually set attributes and check if they are correctly written
for config_class in self.all_config_classes:
config = config_class(peft_type="test")
# save pretrained
with tempfile.TemporaryDirectory() as tmp_dirname:
config.save_pretrained(tmp_dirname)
config_from_pretrained = config_class.from_pretrained(tmp_dirname)
self.assertEqual(config.to_dict(), config_from_pretrained.to_dict())
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