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Editing: dns_test_common_lexicon.py

"""Base test class for DNS authenticators built on Lexicon."""
import contextlib
import sys
from types import ModuleType
from typing import Any
from typing import cast
from typing import Generator
from typing import List
from typing import Protocol
from typing import Tuple
from unittest import mock
from unittest.mock import MagicMock
import warnings

import josepy as jose
from requests import Response
from requests.exceptions import HTTPError
from requests.exceptions import RequestException

from certbot import errors
from certbot.achallenges import AnnotatedChallenge
from certbot.plugins import dns_test_common

with warnings.catch_warnings():
    warnings.filterwarnings("ignore", category=DeprecationWarning)
    from certbot.plugins.dns_common_lexicon import LexiconClient

from certbot.plugins.dns_test_common import _AuthenticatorCallableTestCase
from certbot.tests import util as test_util

DOMAIN = 'example.com'
KEY = jose.JWKRSA.load(test_util.load_vector("rsa512_key.pem"))

DOMAIN_NOT_FOUND = Exception('No domain found')
GENERIC_ERROR = RequestException
LOGIN_ERROR = HTTPError('400 Client Error: ...', response=Response())
UNKNOWN_LOGIN_ERROR = HTTPError('500 Surprise! Error: ...', response=Response())

class _AuthenticatorCallableLexiconTestCase(_AuthenticatorCallableTestCase, Protocol):
    """
    Protocol describing a TestCase suitable to test challenges against
    a mocked LexiconClient instance.
    """
    mock_client: MagicMock
    achall: AnnotatedChallenge

class _LexiconAwareTestCase(Protocol):
    """
    Protocol describing a TestCase suitable to test a real LexiconClient instance.
    """
    client: LexiconClient
    provider_mock: MagicMock

record_prefix: str
    record_name: str
    record_content: str

DOMAIN_NOT_FOUND: Exception
    GENERIC_ERROR: Exception
    LOGIN_ERROR: Exception
    UNKNOWN_LOGIN_ERROR: Exception

def assertRaises(self, *unused_args: Any) -> None:
        """
        See
        https://docs.python.org/3/library/unittest.html#unittest.TestCase.assertRaises
        """

# These classes are intended to be subclassed/mixed in, so not all members are defined.
# pylint: disable=no-member

class BaseLexiconAuthenticatorTest(dns_test_common.BaseAuthenticatorTest):  # pragma: no cover

@test_util.patch_display_util()
    def test_perform(self: _AuthenticatorCallableLexiconTestCase,
                     unused_mock_get_utility: Any) -> None:
        self.auth.perform([self.achall])

expected = [mock.call.add_txt_record(DOMAIN, '_acme-challenge.'+DOMAIN, mock.ANY)]
        self.assertEqual(expected, self.mock_client.mock_calls)

def test_cleanup(self: _AuthenticatorCallableLexiconTestCase) -> None:
        self.auth._attempt_cleanup = True  # _attempt_cleanup | pylint: disable=protected-access
        self.auth.cleanup([self.achall])

expected = [mock.call.del_txt_record(DOMAIN, '_acme-challenge.'+DOMAIN, mock.ANY)]
        self.assertEqual(expected, self.mock_client.mock_calls)

class BaseLexiconClientTest:  # pragma: no cover
    DOMAIN_NOT_FOUND = DOMAIN_NOT_FOUND
    GENERIC_ERROR = GENERIC_ERROR
    LOGIN_ERROR = LOGIN_ERROR
    UNKNOWN_LOGIN_ERROR = UNKNOWN_LOGIN_ERROR

record_prefix = "_acme-challenge"
    record_name = record_prefix + "." + DOMAIN
    record_content = "bar"

def test_add_txt_record(self: _LexiconAwareTestCase) -> None:
        self.client.add_txt_record(DOMAIN, self.record_name, self.record_content)

self.provider_mock.create_record.assert_called_with(rtype='TXT',
                                                            name=self.record_name,
                                                            content=self.record_content)

def test_add_txt_record_try_twice_to_find_domain(self: _LexiconAwareTestCase) -> None:
        self.provider_mock.authenticate.side_effect = [self.DOMAIN_NOT_FOUND, '']

self.client.add_txt_record(DOMAIN, self.record_name, self.record_content)

def test_add_txt_record_fail_to_find_domain(self: _LexiconAwareTestCase) -> None:
        self.provider_mock.authenticate.side_effect = [self.DOMAIN_NOT_FOUND,
                                                       self.DOMAIN_NOT_FOUND,
                                                       self.DOMAIN_NOT_FOUND,]