PyBitmessage-2021-04-27/src/tests/test_logger.py

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"""
Testing the logger configuration
"""
import logging
import os
import tempfile
import unittest
class TestLogger(unittest.TestCase):
"""A test case for bmconfigparser"""
conf_template = '''
[loggers]
keys=root
[handlers]
keys=default
[formatters]
keys=default
[formatter_default]
format=%(asctime)s {1} %(message)s
[handler_default]
class=FileHandler
level=NOTSET
formatter=default
args=('{0}', 'w')
[logger_root]
level=DEBUG
handlers=default
'''
def test_fileConfig(self):
"""Put logging.dat with special pattern and check it was used"""
tmp = os.environ['BITMESSAGE_HOME'] = tempfile.gettempdir()
log_config = os.path.join(tmp, 'logging.dat')
log_file = os.path.join(tmp, 'debug.log')
def gen_log_config(pattern):
"""A small closure to generate logging.dat with custom pattern"""
with open(log_config, 'wb') as dst:
dst.write(self.conf_template.format(log_file, pattern))
pattern = r' o_0 '
gen_log_config(pattern)
try:
from pybitmessage.debug import logger, resetLogging
if not os.path.isfile(log_file): # second pass
pattern = r' <===> '
gen_log_config(pattern)
resetLogging()
except ImportError:
self.fail('There is no package pybitmessage. Things gone wrong.')
finally:
os.remove(log_config)
logger_ = logging.getLogger('default')
self.assertEqual(logger, logger_)
logger_.info('Testing the logger...')
self.assertRegexpMatches(open(log_file).read(), pattern)