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# Copyright The OpenTelemetry Authors
#
# 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 unittest
from unittest.mock import patch
from opentelemetry.sdk._logs import LogRecordLimits
from opentelemetry.sdk._logs._internal import (
_DEFAULT_OTEL_ATTRIBUTE_COUNT_LIMIT,
)
from opentelemetry.sdk.environment_variables import (
OTEL_ATTRIBUTE_COUNT_LIMIT,
OTEL_ATTRIBUTE_VALUE_LENGTH_LIMIT,
)
class TestLogLimits(unittest.TestCase):
def test_log_limits_repr_unset(self):
expected = f"LogRecordLimits(max_attributes={_DEFAULT_OTEL_ATTRIBUTE_COUNT_LIMIT}, max_attribute_length=None)"
limits = str(LogRecordLimits())
self.assertEqual(expected, limits)
def test_log_limits_max_attributes(self):
expected = 1
limits = LogRecordLimits(max_attributes=1)
self.assertEqual(expected, limits.max_attributes)
def test_log_limits_max_attribute_length(self):
expected = 1
limits = LogRecordLimits(max_attribute_length=1)
self.assertEqual(expected, limits.max_attribute_length)
def test_invalid_env_vars_raise(self):
env_vars = [
OTEL_ATTRIBUTE_COUNT_LIMIT,
OTEL_ATTRIBUTE_VALUE_LENGTH_LIMIT,
]
bad_values = ["bad", "-1"]
test_cases = {
env_var: bad_value
for env_var in env_vars
for bad_value in bad_values
}
for env_var, bad_value in test_cases.items():
with self.subTest(f"Testing {env_var}={bad_value}"):
with self.assertRaises(ValueError) as error, patch.dict(
"os.environ", {env_var: bad_value}, clear=True
):
LogRecordLimits()
expected_msg = f"{env_var} must be a non-negative integer but got {bad_value}"
self.assertEqual(
expected_msg,
str(error.exception),
f"Unexpected error message for {env_var}={bad_value}",
)
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