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"""Tests for certbot._internal.log."""
import io
import logging
import logging.handlers
import sys
import time
from typing import Optional
import unittest
from unittest import mock
import pytest
from acme import messages
from certbot import errors
from certbot import util
from certbot._internal import constants
from certbot.compat import filesystem
from certbot.compat import os
from certbot.tests import util as test_util
class PreArgParseSetupTest(unittest.TestCase):
"""Tests for certbot._internal.log.pre_arg_parse_setup."""
@classmethod
def _call(cls, *args, **kwargs): # pylint: disable=unused-argument
from certbot._internal.log import pre_arg_parse_setup
return pre_arg_parse_setup()
def tearDown(self):
# We need to call logging.shutdown() at the end of this test to
# properly clean up any resources created by pre_arg_parse_setup.
logging.shutdown()
super().tearDown()
@mock.patch('certbot._internal.log.sys')
@mock.patch('certbot._internal.log.pre_arg_parse_except_hook')
@mock.patch('certbot._internal.log.logging.getLogger')
@mock.patch('certbot._internal.log.util.atexit_register')
def test_it(self, mock_register, mock_get, mock_except_hook, mock_sys):
mock_sys.argv = ['--debug']
mock_sys.version_info = sys.version_info
self._call()
mock_root_logger = mock_get()
mock_root_logger.setLevel.assert_called_once_with(logging.DEBUG)
assert mock_root_logger.addHandler.call_count == 2
memory_handler: Optional[logging.handlers.MemoryHandler] = None
for call in mock_root_logger.addHandler.call_args_list:
handler = call[0][0]
if memory_handler is None and isinstance(handler, logging.handlers.MemoryHandler):
memory_handler = handler
target = memory_handler.target
else:
assert isinstance(handler, logging.StreamHandler)
assert isinstance(target, logging.StreamHandler)
mock_register.assert_called_once_with(logging.shutdown)
mock_sys.excepthook(1, 2, 3)
mock_except_hook.assert_called_once_with(
memory_handler, 1, 2, 3, debug=True, quiet=False, log_path=mock.ANY)
class PostArgParseSetupTest(test_util.ConfigTestCase):
"""Tests for certbot._internal.log.post_arg_parse_setup."""
@classmethod
def _call(cls, *args, **kwargs):
from certbot._internal.log import post_arg_parse_setup
return post_arg_parse_setup(*args, **kwargs)
def setUp(self):
super().setUp()
self.config.debug = False
self.config.max_log_backups = 1000
self.config.quiet = False
self.config.verbose_count = constants.CLI_DEFAULTS['verbose_count']
self.devnull = open(os.devnull, 'w')
from certbot._internal.log import ColoredStreamHandler
self.stream_handler = ColoredStreamHandler(io.StringIO())
from certbot._internal.log import MemoryHandler
from certbot._internal.log import TempHandler
self.temp_handler = TempHandler()
self.temp_path = self.temp_handler.path
self.memory_handler = MemoryHandler(self.temp_handler)
self.root_logger = mock.MagicMock(
handlers=[self.memory_handler, self.stream_handler])
def tearDown(self):
self.memory_handler.close()
self.stream_handler.close()
self.temp_handler.close()
self.devnull.close()
super().tearDown()
def test_common(self):
with mock.patch('certbot._internal.log.logging.getLogger') as mock_get_logger:
mock_get_logger.return_value = self.root_logger
except_hook_path = 'certbot._internal.log.post_arg_parse_except_hook'
with mock.patch(except_hook_path) as mock_except_hook:
with mock.patch('certbot._internal.log.sys') as mock_sys:
mock_sys.version_info = sys.version_info
self._call(self.config)
log_path = os.path.join(self.config.logs_dir, 'letsencrypt.log')
self.root_logger.removeHandler.assert_called_once_with(
self.memory_handler)
assert self.root_logger.addHandler.called
assert os.path.exists(log_path)
assert not os.path.exists(self.temp_path)
mock_sys.excepthook(1, 2, 3)
mock_except_hook.assert_called_once_with(
1, 2, 3, debug=self.config.debug,
quiet=self.config.quiet, log_path=log_path)
level = self.stream_handler.level
if self.config.quiet:
assert level == constants.QUIET_LOGGING_LEVEL
else:
assert level == constants.DEFAULT_LOGGING_LEVEL
def test_debug(self):
self.config.debug = True
self.test_common()
def test_quiet(self):
self.config.quiet = True
self.test_common()
class SetupLogFileHandlerTest(test_util.ConfigTestCase):
"""Tests for certbot._internal.log.setup_log_file_handler."""
@classmethod
def _call(cls, *args, **kwargs):
from certbot._internal.log import setup_log_file_handler
return setup_log_file_handler(*args, **kwargs)
def setUp(self):
super().setUp()
self.config.max_log_backups = 42
@mock.patch('certbot._internal.main.logging.handlers.RotatingFileHandler')
def test_failure(self, mock_handler):
mock_handler.side_effect = IOError
try:
self._call(self.config, 'test.log', '%(message)s')
except errors.Error as err:
assert '--logs-dir' in str(err)
else: # pragma: no cover
self.fail('Error not raised.')
def test_success_with_rollover(self):
self._test_success_common(should_rollover=True)
def test_success_without_rollover(self):
self.config.max_log_backups = 0
self._test_success_common(should_rollover=False)
def _test_success_common(self, should_rollover):
log_file = 'test.log'
handler, log_path = self._call(self.config, log_file, '%(message)s')
handler.close()
assert handler.level == logging.DEBUG
assert handler.formatter.converter == time.localtime
expected_path = os.path.join(self.config.logs_dir, log_file)
assert log_path == expected_path
backup_path = os.path.join(self.config.logs_dir, log_file + '.1')
assert os.path.exists(backup_path) == should_rollover
@mock.patch('certbot._internal.log.logging.handlers.RotatingFileHandler')
def test_max_log_backups_used(self, mock_handler):
self._call(self.config, 'test.log', '%(message)s')
backup_count = mock_handler.call_args[1]['backupCount']
assert self.config.max_log_backups == backup_count
class ColoredStreamHandlerTest(unittest.TestCase):
"""Tests for certbot._internal.log.ColoredStreamHandler"""
def setUp(self):
self.stream = io.StringIO()
self.stream.isatty = lambda: True
self.logger = logging.getLogger()
self.logger.setLevel(logging.DEBUG)
from certbot._internal.log import ColoredStreamHandler
self.handler = ColoredStreamHandler(self.stream)
self.logger.addHandler(self.handler)
def tearDown(self):
self.handler.close()
def test_format(self):
msg = 'I did a thing'
self.logger.debug(msg)
assert self.stream.getvalue() == '{0}\n'.format(msg)
def test_format_and_red_level(self):
msg = 'I did another thing'
self.handler.red_level = logging.DEBUG
self.logger.debug(msg)
assert self.stream.getvalue() == \
'{0}{1}{2}\n'.format(util.ANSI_SGR_RED,
msg,
util.ANSI_SGR_RESET)
class MemoryHandlerTest(unittest.TestCase):
"""Tests for certbot._internal.log.MemoryHandler"""
def setUp(self):
self.logger = logging.getLogger(__name__)
self.logger.setLevel(logging.DEBUG)
self.msg = 'hi there'
self.stream = io.StringIO()
self.stream_handler = logging.StreamHandler(self.stream)
from certbot._internal.log import MemoryHandler
self.handler = MemoryHandler(self.stream_handler)
self.logger.addHandler(self.handler)
def tearDown(self):
self.handler.close()
self.stream_handler.close()
def test_flush(self):
self._test_log_debug()
self.handler.flush(force=True)
assert self.stream.getvalue() == self.msg + '\n'
def test_not_flushed(self):
# By default, logging.ERROR messages and higher are flushed
self.logger.critical(self.msg)
self.handler.flush()
assert self.stream.getvalue() == ''
def test_target_reset(self):
self._test_log_debug()
new_stream = io.StringIO()
new_stream_handler = logging.StreamHandler(new_stream)
self.handler.setTarget(new_stream_handler)
self.handler.flush(force=True)
assert self.stream.getvalue() == ''
assert new_stream.getvalue() == self.msg + '\n'
new_stream_handler.close()
def _test_log_debug(self):
self.logger.debug(self.msg)
class TempHandlerTest(unittest.TestCase):
"""Tests for certbot._internal.log.TempHandler."""
def setUp(self):
self.closed = False
from certbot._internal.log import TempHandler
self.handler = TempHandler()
def tearDown(self):
self.handler.close()
def test_permissions(self):
assert filesystem.check_permissions(self.handler.path, 0o600)
def test_delete(self):
self.handler.close()
assert not os.path.exists(self.handler.path)
def test_no_delete(self):
self.handler.emit(mock.MagicMock())
self.handler.close()
assert os.path.exists(self.handler.path)
os.remove(self.handler.path)
class PreArgParseExceptHookTest(unittest.TestCase):
"""Tests for certbot._internal.log.pre_arg_parse_except_hook."""
@classmethod
def _call(cls, *args, **kwargs):
from certbot._internal.log import pre_arg_parse_except_hook
return pre_arg_parse_except_hook(*args, **kwargs)
@mock.patch('certbot._internal.log.post_arg_parse_except_hook')
def test_it(self, mock_post_arg_parse_except_hook):
memory_handler = mock.MagicMock()
args = ('some', 'args',)
kwargs = {'some': 'kwargs'}
self._call(memory_handler, *args, **kwargs)
mock_post_arg_parse_except_hook.assert_called_once_with(
*args, **kwargs)
memory_handler.flush.assert_called_once_with(force=True)
class PostArgParseExceptHookTest(unittest.TestCase):
"""Tests for certbot._internal.log.post_arg_parse_except_hook."""
@classmethod
def _call(cls, *args, **kwargs):
from certbot._internal.log import post_arg_parse_except_hook
return post_arg_parse_except_hook(*args, **kwargs)
def setUp(self):
self.error_msg = 'test error message'
self.log_path = 'foo.log'
def test_base_exception(self):
exc_type = BaseException
mock_logger, output = self._test_common(exc_type, debug=False)
self._assert_exception_logged(mock_logger.error, exc_type)
self._assert_logfile_output(output)
def test_debug(self):
exc_type = ValueError
mock_logger, output = self._test_common(exc_type, debug=True)
self._assert_exception_logged(mock_logger.error, exc_type)
self._assert_logfile_output(output)
def test_quiet(self):
exc_type = ValueError
mock_logger, output = self._test_common(exc_type, debug=True, quiet=True)
self._assert_exception_logged(mock_logger.error, exc_type)
assert 'See the logfile' not in output
def test_custom_error(self):
exc_type = errors.PluginError
mock_logger, output = self._test_common(exc_type, debug=False)
self._assert_exception_logged(mock_logger.debug, exc_type)
self._assert_quiet_output(mock_logger, output)
def test_acme_error(self):
# Get an arbitrary error code
acme_code = next(iter(messages.ERROR_CODES))
def get_acme_error(msg):
"""Wraps ACME errors so the constructor takes only a msg."""
return messages.Error.with_code(acme_code, detail=msg)
mock_logger, output = self._test_common(get_acme_error, debug=False)
self._assert_exception_logged(mock_logger.debug, messages.Error)
self._assert_quiet_output(mock_logger, output)
assert messages.ERROR_PREFIX not in output
def test_other_error(self):
exc_type = ValueError
mock_logger, output = self._test_common(exc_type, debug=False)
self._assert_exception_logged(mock_logger.debug, exc_type)
self._assert_quiet_output(mock_logger, output)
def test_keyboardinterrupt(self):
exc_type = KeyboardInterrupt
mock_logger, output = self._test_common(exc_type, debug=False)
mock_logger.error.assert_called_once_with('Exiting due to user request.')
def _test_common(self, error_type, debug, quiet=False):
"""Returns the mocked logger and stderr output."""
mock_err = io.StringIO()
def write_err(*args, **unused_kwargs):
"""Write error to mock_err."""
mock_err.write(args[0])
try:
raise error_type(self.error_msg)
except BaseException:
exc_info = sys.exc_info()
with mock.patch('certbot._internal.log.logger') as mock_logger:
mock_logger.error.side_effect = write_err
with mock.patch('certbot._internal.log.sys.stderr', mock_err):
try:
self._call(
*exc_info, debug=debug, quiet=quiet, log_path=self.log_path)
except SystemExit as exit_err:
mock_err.write(str(exit_err))
else: # pragma: no cover
self.fail('SystemExit not raised.')
output = mock_err.getvalue()
return mock_logger, output
def _assert_exception_logged(self, log_func, exc_type):
assert log_func.called
call_kwargs = log_func.call_args[1]
assert 'exc_info' in call_kwargs
actual_exc_info = call_kwargs['exc_info']
expected_exc_info = (exc_type, mock.ANY, mock.ANY)
assert actual_exc_info == expected_exc_info
def _assert_logfile_output(self, output):
assert 'See the logfile' in output
assert self.log_path in output
def _assert_quiet_output(self, mock_logger, output):
assert mock_logger.exception.called is False
assert mock_logger.debug.called
assert self.error_msg in output
class ExitWithAdviceTest(test_util.TempDirTestCase):
"""Tests for certbot._internal.log.exit_with_advice."""
@classmethod
def _call(cls, *args, **kwargs):
from certbot._internal.log import exit_with_advice
return exit_with_advice(*args, **kwargs)
def test_log_file(self):
log_file = os.path.join(self.tempdir, 'test.log')
open(log_file, 'w').close()
err_str = self._test_common(log_file)
assert 'logfiles' not in err_str
assert log_file in err_str
def test_log_dir(self):
err_str = self._test_common(self.tempdir)
assert 'logfiles' in err_str
assert self.tempdir in err_str
# pylint: disable=inconsistent-return-statements
def _test_common(self, *args, **kwargs):
try:
self._call(*args, **kwargs)
except SystemExit as err:
return str(err)
self.fail('SystemExit was not raised.') # pragma: no cover
if __name__ == "__main__":
sys.exit(pytest.main(sys.argv[1:] + [__file__])) # pragma: no cover
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