transformers/tests/utils/test_logging.py

136 lines
5.1 KiB
Python

# 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 os
import unittest
from huggingface_hub.utils import are_progress_bars_disabled
import transformers.models.bart.tokenization_bart
from transformers import logging
from transformers.testing_utils import CaptureLogger, mockenv, mockenv_context
from transformers.utils.logging import disable_progress_bar, enable_progress_bar
class HfArgumentParserTest(unittest.TestCase):
def test_set_level(self):
logger = logging.get_logger()
# the current default level is logging.WARNING
level_origin = logging.get_verbosity()
logging.set_verbosity_error()
self.assertEqual(logger.getEffectiveLevel(), logging.get_verbosity())
logging.set_verbosity_warning()
self.assertEqual(logger.getEffectiveLevel(), logging.get_verbosity())
logging.set_verbosity_info()
self.assertEqual(logger.getEffectiveLevel(), logging.get_verbosity())
logging.set_verbosity_debug()
self.assertEqual(logger.getEffectiveLevel(), logging.get_verbosity())
# restore to the original level
logging.set_verbosity(level_origin)
def test_integration(self):
level_origin = logging.get_verbosity()
logger = logging.get_logger("transformers.models.bart.tokenization_bart")
msg = "Testing 1, 2, 3"
# should be able to log warnings (if default settings weren't overridden by `pytest --log-level-all`)
if level_origin <= logging.WARNING:
with CaptureLogger(logger) as cl:
logger.warning(msg)
self.assertEqual(cl.out, msg + "\n")
# this is setting the level for all of `transformers.*` loggers
logging.set_verbosity_error()
# should not be able to log warnings
with CaptureLogger(logger) as cl:
logger.warning(msg)
self.assertEqual(cl.out, "")
# should be able to log warnings again
logging.set_verbosity_warning()
with CaptureLogger(logger) as cl:
logger.warning(msg)
self.assertEqual(cl.out, msg + "\n")
# restore to the original level
logging.set_verbosity(level_origin)
@mockenv(TRANSFORMERS_VERBOSITY="error")
def test_env_override(self):
# reset for the env var to take effect, next time some logger call is made
transformers.utils.logging._reset_library_root_logger()
# this action activates the env var
_ = logging.get_logger("transformers.models.bart.tokenization_bart")
env_level_str = os.getenv("TRANSFORMERS_VERBOSITY", None)
env_level = logging.log_levels[env_level_str]
current_level = logging.get_verbosity()
self.assertEqual(
env_level,
current_level,
f"TRANSFORMERS_VERBOSITY={env_level_str}/{env_level}, but internal verbosity is {current_level}",
)
# restore to the original level
os.environ["TRANSFORMERS_VERBOSITY"] = ""
transformers.utils.logging._reset_library_root_logger()
@mockenv(TRANSFORMERS_VERBOSITY="super-error")
def test_env_invalid_override(self):
# reset for the env var to take effect, next time some logger call is made
transformers.utils.logging._reset_library_root_logger()
logger = logging.logging.getLogger()
with CaptureLogger(logger) as cl:
# this action activates the env var
logging.get_logger("transformers.models.bart.tokenization_bart")
self.assertIn("Unknown option TRANSFORMERS_VERBOSITY=super-error", cl.out)
# no need to restore as nothing was changed
def test_advisory_warnings(self):
# testing `logger.warning_advice()`
transformers.utils.logging._reset_library_root_logger()
logger = logging.get_logger("transformers.models.bart.tokenization_bart")
msg = "Testing 1, 2, 3"
with mockenv_context(TRANSFORMERS_NO_ADVISORY_WARNINGS="1"):
# nothing should be logged as env var disables this method
with CaptureLogger(logger) as cl:
logger.warning_advice(msg)
self.assertEqual(cl.out, "")
with mockenv_context(TRANSFORMERS_NO_ADVISORY_WARNINGS=""):
# should log normally as TRANSFORMERS_NO_ADVISORY_WARNINGS is unset
with CaptureLogger(logger) as cl:
logger.warning_advice(msg)
self.assertEqual(cl.out, msg + "\n")
def test_set_progress_bar_enabled():
disable_progress_bar()
assert are_progress_bars_disabled()
enable_progress_bar()
assert not are_progress_bars_disabled()