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"""Tests for certbot._internal.hooks."""
import sys
import unittest
from platform import python_version_tuple
from unittest import mock
import pytest
from certbot import errors
from certbot import util
from certbot.compat import filesystem
from certbot.compat import os
from certbot.tests import util as test_util
from typing import List
def pyver_lt(major: int, minor: int):
pymajor = int(python_version_tuple()[0])
pyminor = int(python_version_tuple()[1])
if pymajor < major:
return True
elif pymajor > major:
return False
else:
return pyminor < minor
class ValidateHooksTest(unittest.TestCase):
"""Tests for certbot._internal.hooks.validate_hooks."""
@classmethod
def _call(cls, *args, **kwargs):
from certbot._internal.hooks import validate_hooks
return validate_hooks(*args, **kwargs)
@mock.patch("certbot._internal.hooks.validate_hook")
def test_it(self, mock_validate_hook):
config = mock.MagicMock()
self._call(config)
types = [call[0][1] for call in mock_validate_hook.call_args_list]
assert {"pre", "post", "deploy",} == set(types[:-1])
# This ensures error messages are about deploy hooks when appropriate
assert "renew" == types[-1]
class ValidateHookTest(test_util.TempDirTestCase):
"""Tests for certbot._internal.hooks.validate_hook."""
@classmethod
def _call(cls, *args, **kwargs):
from certbot._internal.hooks import validate_hook
return validate_hook(*args, **kwargs)
def test_hook_not_executable(self):
# prevent unnecessary modifications to PATH
with mock.patch("certbot._internal.hooks.plug_util.path_surgery"):
# We just mock out filesystem.is_executable since on Windows, it is difficult
# to get a fully working test around executable permissions. See
# certbot.tests.compat.filesystem::NotExecutableTest for more in-depth tests.
with mock.patch("certbot._internal.hooks.filesystem.is_executable", return_value=False):
with pytest.raises(errors.HookCommandNotFound):
self._call('dummy', "foo")
@mock.patch("certbot._internal.hooks.util.exe_exists")
def test_not_found(self, mock_exe_exists):
mock_exe_exists.return_value = False
with mock.patch("certbot._internal.hooks.plug_util.path_surgery") as mock_ps:
with pytest.raises(errors.HookCommandNotFound):
self._call("foo", "bar")
assert mock_ps.called
@mock.patch("certbot._internal.hooks._prog")
def test_unset(self, mock_prog):
self._call(None, "foo")
assert mock_prog.called is False
class HookTest(test_util.ConfigTestCase):
"""Common base class for hook tests."""
@classmethod
def _call(cls, *args, **kwargs): # pragma: no cover
"""Calls the method being tested with the given arguments."""
raise NotImplementedError
@classmethod
def _call_with_mock_execute(cls, *args, **kwargs):
"""Calls self._call after mocking out certbot.compat.misc.execute_command_status.
The mock execute object is returned rather than the return value
of self._call.
"""
with mock.patch("certbot.compat.misc.execute_command_status") as mock_execute:
mock_execute.return_value = (0, "", "")
cls._call(*args, **kwargs)
return mock_execute
class PreHookTest(HookTest):
"""Tests for certbot._internal.hooks.pre_hook."""
@classmethod
def _call(cls, *args, **kwargs):
from certbot._internal.hooks import pre_hook
return pre_hook(*args, **kwargs)
def setUp(self):
super().setUp()
self.config.pre_hook = "foo"
filesystem.makedirs(self.config.renewal_pre_hooks_dir)
self.dir_hook = os.path.join(self.config.renewal_pre_hooks_dir, "bar")
create_hook(self.dir_hook)
# Reset this value as it may have been modified by past tests
self._reset_pre_hook_already()
def tearDown(self):
# Reset this value so it's unmodified for future tests
self._reset_pre_hook_already()
super().tearDown()
def _reset_pre_hook_already(self):
from certbot._internal.hooks import executed_pre_hooks
executed_pre_hooks.clear()
def test_certonly(self):
self.config.verb = "certonly"
self._test_nonrenew_common()
def test_run(self):
self.config.verb = "run"
self._test_nonrenew_common()
def _test_nonrenew_common(self):
mock_execute = self._call_with_mock_execute(self.config)
mock_execute.assert_called_once_with("pre-hook", self.config.pre_hook, env=mock.ANY)
self._test_no_executions_common()
def test_no_hooks(self):
self.config.pre_hook = None
self.config.verb = "renew"
os.remove(self.dir_hook)
with mock.patch("certbot._internal.hooks.logger") as mock_logger:
mock_execute = self._call_with_mock_execute(self.config)
assert mock_execute.called is False
assert mock_logger.info.called is False
def test_renew_disabled_dir_hooks(self):
self.config.directory_hooks = False
mock_execute = self._call_with_mock_execute(self.config)
mock_execute.assert_called_once_with("pre-hook", self.config.pre_hook, env=mock.ANY)
self._test_no_executions_common()
def test_renew_no_overlap(self):
self.config.verb = "renew"
mock_execute = self._call_with_mock_execute(self.config)
mock_execute.assert_any_call("pre-hook", self.dir_hook, env=mock.ANY)
mock_execute.assert_called_with("pre-hook", self.config.pre_hook, env=mock.ANY)
self._test_no_executions_common()
def test_renew_with_overlap(self):
self.config.pre_hook = self.dir_hook
self.config.verb = "renew"
mock_execute = self._call_with_mock_execute(self.config)
mock_execute.assert_called_once_with("pre-hook", self.dir_hook, env=mock.ANY)
self._test_no_executions_common()
def _test_no_executions_common(self):
with mock.patch("certbot._internal.hooks.logger") as mock_logger:
mock_execute = self._call_with_mock_execute(self.config)
assert mock_execute.called is False
assert mock_logger.info.called
class PostHookTest(HookTest):
"""Tests for certbot._internal.hooks.post_hook."""
@classmethod
def _call(cls, *args, **kwargs):
from certbot._internal.hooks import post_hook
return post_hook(*args, **kwargs)
def setUp(self):
super().setUp()
self.config.post_hook = "bar"
filesystem.makedirs(self.config.renewal_post_hooks_dir)
self.dir_hook = os.path.join(self.config.renewal_post_hooks_dir, "foo")
create_hook(self.dir_hook)
# Reset this value as it may have been modified by past tests
self._reset_post_hook_eventually()
def tearDown(self):
# Reset this value so it's unmodified for future tests
self._reset_post_hook_eventually()
super().tearDown()
def _reset_post_hook_eventually(self):
from certbot._internal.hooks import post_hooks
del post_hooks[:]
def test_certonly_and_run_with_hook(self):
for verb in ("certonly", "run",):
self.config.verb = verb
mock_execute = self._call_with_mock_execute(self.config, [])
mock_execute.assert_called_once_with("post-hook", self.config.post_hook, env=mock.ANY)
assert not self._get_eventually()
def test_cert_only_and_run_without_hook(self):
self.config.post_hook = None
for verb in ("certonly", "run",):
self.config.verb = verb
assert not self._call_with_mock_execute(self.config, []).called
assert not self._get_eventually()
@unittest.skipIf(pyver_lt(3, 8), "Python 3.8+ required for this test.")
def test_renew_env(self):
self.config.verb = "certonly"
args = self._call_with_mock_execute(self.config, ["success.org"]).call_args
assert args.kwargs['env']["RENEWED_DOMAINS"] == "success.org"
def test_renew_disabled_dir_hooks(self):
self.config.directory_hooks = False
self._test_renew_common([self.config.post_hook])
def test_renew_no_config_hook(self):
self.config.post_hook = None
self._test_renew_common([self.dir_hook])
def test_renew_no_dir_hook(self):
os.remove(self.dir_hook)
self._test_renew_common([self.config.post_hook])
def test_renew_no_hooks(self):
self.config.post_hook = None
os.remove(self.dir_hook)
self._test_renew_common([])
def test_renew_no_overlap(self):
expected = [self.dir_hook, self.config.post_hook]
self._test_renew_common(expected)
self.config.post_hook = "baz"
expected.append(self.config.post_hook)
self._test_renew_common(expected)
def test_renew_with_overlap(self):
self.config.post_hook = self.dir_hook
self._test_renew_common([self.dir_hook])
def _test_renew_common(self, expected):
self.config.verb = "renew"
for _ in range(2):
self._call(self.config, [])
assert self._get_eventually() == expected
def _get_eventually(self):
from certbot._internal.hooks import post_hooks
return post_hooks
class RunSavedPostHooksTest(HookTest):
"""Tests for certbot._internal.hooks.run_saved_post_hooks."""
@classmethod
def _call(cls, *args, **kwargs):
from certbot._internal.hooks import run_saved_post_hooks
renewed_domains = kwargs["renewed_domains"] if "renewed_domains" in kwargs else args[0]
failed_domains = kwargs["failed_domains"] if "failed_domains" in kwargs else args[1]
return run_saved_post_hooks(renewed_domains, failed_domains)
def _call_with_mock_execute_and_eventually(self, *args, **kwargs):
"""Call run_saved_post_hooks but mock out execute and eventually
certbot._internal.hooks.post_hooks is replaced with
self.eventually. The mock execute object is returned rather than
the return value of run_saved_post_hooks.
"""
eventually_path = "certbot._internal.hooks.post_hooks"
with mock.patch(eventually_path, new=self.eventually):
return self._call_with_mock_execute(*args, **kwargs)
def setUp(self):
super().setUp()
self.eventually: List[str] = []
def test_empty(self):
assert not self._call_with_mock_execute_and_eventually([], []).called
def test_multiple(self):
self.eventually = ["foo", "bar", "baz", "qux"]
mock_execute = self._call_with_mock_execute_and_eventually([], [])
calls = mock_execute.call_args_list
for actual_call, expected_arg in zip(calls, self.eventually):
assert actual_call[0][1] == expected_arg
def test_single(self):
self.eventually = ["foo"]
mock_execute = self._call_with_mock_execute_and_eventually([], [])
mock_execute.assert_called_once_with("post-hook", self.eventually[0], env=mock.ANY)
@unittest.skipIf(pyver_lt(3, 8), "Python 3.8+ required for this test.")
def test_env(self):
self.eventually = ["foo"]
mock_execute = self._call_with_mock_execute_and_eventually(["success.org"], ["failed.org"])
assert mock_execute.call_args.kwargs['env']["RENEWED_DOMAINS"] == "success.org"
assert mock_execute.call_args.kwargs['env']["FAILED_DOMAINS"] == "failed.org"
class RenewalHookTest(HookTest):
"""Common base class for testing deploy/renew hooks."""
# Needed for https://github.com/PyCQA/pylint/issues/179
# pylint: disable=abstract-method
def _call_with_mock_execute(self, *args, **kwargs):
"""Calls self._call after mocking out certbot.compat.misc.execute_command_status.
The mock execute object is returned rather than the return value
of self._call. The mock execute object asserts that environment
variables were properly set.
"""
domains = kwargs["domains"] if "domains" in kwargs else args[1]
lineage = kwargs["lineage"] if "lineage" in kwargs else args[2]
def execute_side_effect(*unused_args, **unused_kwargs):
"""Assert environment variables are properly set.
:returns: two strings imitating no output from the hook
:rtype: `tuple` of `str`
"""
assert os.environ["RENEWED_DOMAINS"] == " ".join(domains)
assert os.environ["RENEWED_LINEAGE"] == lineage
return (0, "", "")
with mock.patch("certbot.compat.misc.execute_command_status") as mock_execute:
mock_execute.side_effect = execute_side_effect
self._call(*args, **kwargs)
return mock_execute
def setUp(self):
super().setUp()
self.vars_to_clear = {
var for var in ("RENEWED_DOMAINS", "RENEWED_LINEAGE",)
if var not in os.environ
}
def tearDown(self):
for var in self.vars_to_clear:
os.environ.pop(var, None)
super().tearDown()
class DeployHookTest(RenewalHookTest):
"""Tests for certbot._internal.hooks.deploy_hook."""
@classmethod
def _call(cls, *args, **kwargs):
from certbot._internal.hooks import deploy_hook
return deploy_hook(*args, **kwargs)
@mock.patch("certbot._internal.hooks.logger")
def test_dry_run(self, mock_logger):
self.config.deploy_hook = "foo"
self.config.dry_run = True
mock_execute = self._call_with_mock_execute(
self.config, ["example.org"], "/foo/bar")
assert mock_execute.called is False
assert mock_logger.info.called
@mock.patch("certbot._internal.hooks.logger")
def test_no_hook(self, mock_logger):
self.config.deploy_hook = None
mock_execute = self._call_with_mock_execute(
self.config, ["example.org"], "/foo/bar")
assert mock_execute.called is False
assert mock_logger.info.called is False
def test_success(self):
domains = ["example.org", "example.net"]
lineage = "/foo/bar"
self.config.deploy_hook = "foo"
mock_execute = self._call_with_mock_execute(
self.config, domains, lineage)
mock_execute.assert_called_once_with("deploy-hook", self.config.deploy_hook, env=mock.ANY)
class RenewHookTest(RenewalHookTest):
"""Tests for certbot._internal.hooks.renew_hook"""
@classmethod
def _call(cls, *args, **kwargs):
from certbot._internal.hooks import renew_hook
return renew_hook(*args, **kwargs)
def setUp(self):
super().setUp()
self.config.renew_hook = "foo"
filesystem.makedirs(self.config.renewal_deploy_hooks_dir)
self.dir_hook = os.path.join(self.config.renewal_deploy_hooks_dir,
"bar")
create_hook(self.dir_hook)
def test_disabled_dir_hooks(self):
self.config.directory_hooks = False
mock_execute = self._call_with_mock_execute(
self.config, ["example.org"], "/foo/bar")
mock_execute.assert_called_once_with("deploy-hook", self.config.renew_hook, env=mock.ANY)
@mock.patch("certbot._internal.hooks.logger")
def test_dry_run(self, mock_logger):
self.config.dry_run = True
mock_execute = self._call_with_mock_execute(
self.config, ["example.org"], "/foo/bar")
assert mock_execute.called is False
assert mock_logger.info.call_count == 2
def test_no_hooks(self):
self.config.renew_hook = None
os.remove(self.dir_hook)
with mock.patch("certbot._internal.hooks.logger") as mock_logger:
mock_execute = self._call_with_mock_execute(
self.config, ["example.org"], "/foo/bar")
assert mock_execute.called is False
assert mock_logger.info.called is False
def test_overlap(self):
self.config.renew_hook = self.dir_hook
mock_execute = self._call_with_mock_execute(
self.config, ["example.net", "example.org"], "/foo/bar")
mock_execute.assert_called_once_with("deploy-hook", self.dir_hook, env=mock.ANY)
def test_no_overlap(self):
mock_execute = self._call_with_mock_execute(
self.config, ["example.org"], "/foo/bar")
mock_execute.assert_any_call("deploy-hook", self.dir_hook, env=mock.ANY)
mock_execute.assert_called_with("deploy-hook", self.config.renew_hook, env=mock.ANY)
class ListHooksTest(test_util.TempDirTestCase):
"""Tests for certbot._internal.hooks.list_hooks."""
@classmethod
def _call(cls, *args, **kwargs):
from certbot._internal.hooks import list_hooks
return list_hooks(*args, **kwargs)
def test_empty(self):
assert not self._call(self.tempdir)
def test_multiple(self):
names = sorted(
os.path.join(self.tempdir, basename)
for basename in ("foo", "bar", "baz", "qux")
)
for name in names:
create_hook(name)
assert self._call(self.tempdir) == names
def test_single(self):
name = os.path.join(self.tempdir, "foo")
create_hook(name)
assert self._call(self.tempdir) == [name]
def test_ignore_tilde(self):
name = os.path.join(self.tempdir, "foo~")
create_hook(name)
assert self._call(self.tempdir) == []
def create_hook(file_path):
"""Creates an executable file at the specified path.
:param str file_path: path to create the file at
"""
util.safe_open(file_path, mode="w", chmod=0o744).close()
if __name__ == '__main__':
sys.exit(pytest.main(sys.argv[1:] + [__file__])) # pragma: no cover
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