import re
import sys
import logbook
import pytest
from .utils import capturing_stderr_context
__file_without_pyc__ = __file__
if __file_without_pyc__.endswith('.pyc'):
__file_without_pyc__ = __file_without_pyc__[:-1]
def test_handler_exception(activation_strategy, logger):
class ErroringHandler(logbook.TestHandler):
def emit(self, record):
raise RuntimeError('something bad happened')
with capturing_stderr_context() as stderr:
with activation_strategy(ErroringHandler()):
logger.warn('I warn you.')
assert 'something bad happened' in stderr.getvalue()
assert 'I warn you' not in stderr.getvalue()
def test_formatting_exception():
def make_record():
return logbook.LogRecord('Test Logger', logbook.WARNING,
'Hello {foo:invalid}',
kwargs={'foo': 42},
frame=sys._getframe())
record = make_record()
with pytest.raises(TypeError) as caught:
record.message
errormsg = str(caught.value)
assert re.search(
'Could not format message with provided arguments: Invalid '
'(?:format specifier)|(?:conversion specification)|(?:format spec)',
errormsg, re.M | re.S)
assert "msg='Hello {foo:invalid}'" in errormsg
assert 'args=()' in errormsg
assert "kwargs={'foo': 42}" in errormsg
assert re.search(
r'Happened in file .*%s, line \d+' % re.escape(__file_without_pyc__),
errormsg, re.M | re.S)