atst/tests/utils/test_logging.py
2019-03-29 14:05:26 -04:00

58 lines
1.3 KiB
Python

from io import StringIO
import json
import logging
import pytest
from atst.utils.logging import JsonFormatter
@pytest.fixture
def log_stream():
return StringIO()
@pytest.fixture
def log_stream_content(log_stream):
def _log_stream_content():
log_stream.seek(0)
return log_stream.read()
return _log_stream_content
@pytest.fixture
def logger(log_stream):
logger = logging.getLogger()
for handler in logger.handlers:
logger.removeHandler(handler)
logHandler = logging.StreamHandler(log_stream)
formatter = JsonFormatter()
logHandler.setFormatter(formatter)
logger.addHandler(logHandler)
return logger
def test_json_formatter(logger, log_stream_content):
logger.warning("do or do not", extra={"tags": ["wisdom", "jedi"]})
log = json.loads(log_stream_content())
assert log["tags"] == ["wisdom", "jedi"]
assert log["message"] == "do or do not"
assert log["severity"] == "WARNING"
assert log.get("details") is None
def test_json_formatter_for_exceptions(logger, log_stream_content):
try:
raise Exception()
except Exception:
logger.exception("you found the ventilation shaft!")
log = json.loads(log_stream_content())
assert log["severity"] == "ERROR"
assert log.get("details")