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"""Tests for certbot.hooks."""
import unittest
import mock
from acme.magic_typing import List # pylint: disable=unused-import, no-name-in-module
from certbot import errors
from certbot import util
from certbot.compat import os
from certbot.compat import filesystem
from certbot.tests import util as test_util
class ValidateHooksTest(unittest.TestCase):
"""Tests for certbot.hooks.validate_hooks."""
@classmethod
def _call(cls, *args, **kwargs):
from certbot.hooks import validate_hooks
return validate_hooks(*args, **kwargs)
@mock.patch("certbot.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]
self.assertEqual(set(("pre", "post", "deploy",)), set(types[:-1]))
# This ensures error messages are about deploy hooks when appropriate
self.assertEqual("renew", types[-1])
class ValidateHookTest(test_util.TempDirTestCase):
"""Tests for certbot.hooks.validate_hook."""
@classmethod
def _call(cls, *args, **kwargs):
from certbot.hooks import validate_hook
return validate_hook(*args, **kwargs)
def test_hook_not_executable(self):
# prevent unnecessary modifications to PATH
with mock.patch("certbot.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.hooks.filesystem.is_executable", return_value=False):
self.assertRaises(errors.HookCommandNotFound, self._call, 'dummy', "foo")
@mock.patch("certbot.hooks.util.exe_exists")
def test_not_found(self, mock_exe_exists):
mock_exe_exists.return_value = False
with mock.patch("certbot.hooks.plug_util.path_surgery") as mock_ps:
self.assertRaises(errors.HookCommandNotFound, self._call, "foo", "bar")
self.assertTrue(mock_ps.called)
@mock.patch("certbot.hooks._prog")
def test_unset(self, mock_prog):
self._call(None, "foo")
self.assertFalse(mock_prog.called)
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.hooks.execute.
The mock execute object is returned rather than the return value
of self._call.
"""
with mock.patch("certbot.hooks.execute") as mock_execute:
mock_execute.return_value = ("", "")
cls._call(*args, **kwargs)
return mock_execute
class PreHookTest(HookTest):
"""Tests for certbot.hooks.pre_hook."""
@classmethod
def _call(cls, *args, **kwargs):
from certbot.hooks import pre_hook
return pre_hook(*args, **kwargs)
def setUp(self):
super(PreHookTest, self).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(PreHookTest, self).tearDown()
def _reset_pre_hook_already(self):
from certbot.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)
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.hooks.logger") as mock_logger:
mock_execute = self._call_with_mock_execute(self.config)
self.assertFalse(mock_execute.called)
self.assertFalse(mock_logger.info.called)
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)
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)
mock_execute.assert_called_with("pre-hook", self.config.pre_hook)
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)
self._test_no_executions_common()
def _test_no_executions_common(self):
with mock.patch("certbot.hooks.logger") as mock_logger:
mock_execute = self._call_with_mock_execute(self.config)
self.assertFalse(mock_execute.called)
self.assertTrue(mock_logger.info.called)
class PostHookTest(HookTest):
"""Tests for certbot.hooks.post_hook."""
@classmethod
def _call(cls, *args, **kwargs):
from certbot.hooks import post_hook
return post_hook(*args, **kwargs)
def setUp(self):
super(PostHookTest, self).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(PostHookTest, self).tearDown()
def _reset_post_hook_eventually(self):
from certbot.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)
self.assertFalse(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
self.assertFalse(self._call_with_mock_execute(self.config).called)
self.assertFalse(self._get_eventually())
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)
self.assertEqual(self._get_eventually(), expected)
def _get_eventually(self):
from certbot.hooks import post_hooks
return post_hooks
class RunSavedPostHooksTest(HookTest):
"""Tests for certbot.hooks.run_saved_post_hooks."""
@classmethod
def _call(cls, *args, **kwargs):
from certbot.hooks import run_saved_post_hooks
return run_saved_post_hooks()
def _call_with_mock_execute_and_eventually(self, *args, **kwargs):
"""Call run_saved_post_hooks but mock out execute and eventually
certbot.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.hooks.post_hooks"
with mock.patch(eventually_path, new=self.eventually):
return self._call_with_mock_execute(*args, **kwargs)
def setUp(self):
super(RunSavedPostHooksTest, self).setUp()
self.eventually = [] # type: List[str]
def test_empty(self):
self.assertFalse(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):
self.assertEqual(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])
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.hooks.execute.
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`
"""
self.assertEqual(os.environ["RENEWED_DOMAINS"], " ".join(domains))
self.assertEqual(os.environ["RENEWED_LINEAGE"], lineage)
return ("", "")
with mock.patch("certbot.hooks.execute") as mock_execute:
mock_execute.side_effect = execute_side_effect
self._call(*args, **kwargs)
return mock_execute
def setUp(self):
super(RenewalHookTest, self).setUp()
self.vars_to_clear = set(
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(RenewalHookTest, self).tearDown()
class DeployHookTest(RenewalHookTest):
"""Tests for certbot.hooks.deploy_hook."""
@classmethod
def _call(cls, *args, **kwargs):
from certbot.hooks import deploy_hook
return deploy_hook(*args, **kwargs)
@mock.patch("certbot.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")
self.assertFalse(mock_execute.called)
self.assertTrue(mock_logger.warning.called)
@mock.patch("certbot.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")
self.assertFalse(mock_execute.called)
self.assertFalse(mock_logger.info.called)
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)
class RenewHookTest(RenewalHookTest):
"""Tests for certbot.hooks.renew_hook"""
@classmethod
def _call(cls, *args, **kwargs):
from certbot.hooks import renew_hook
return renew_hook(*args, **kwargs)
def setUp(self):
super(RenewHookTest, self).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)
@mock.patch("certbot.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")
self.assertFalse(mock_execute.called)
self.assertEqual(mock_logger.warning.call_count, 2)
def test_no_hooks(self):
self.config.renew_hook = None
os.remove(self.dir_hook)
with mock.patch("certbot.hooks.logger") as mock_logger:
mock_execute = self._call_with_mock_execute(
self.config, ["example.org"], "/foo/bar")
self.assertFalse(mock_execute.called)
self.assertFalse(mock_logger.info.called)
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)
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)
mock_execute.assert_called_with("deploy-hook", self.config.renew_hook)
class ExecuteTest(unittest.TestCase):
"""Tests for certbot.hooks.execute."""
@classmethod
def _call(cls, *args, **kwargs):
from certbot.hooks import execute
return execute(*args, **kwargs)
def test_it(self):
for returncode in range(0, 2):
for stdout in ("", "Hello World!",):
for stderr in ("", "Goodbye Cruel World!"):
self._test_common(returncode, stdout, stderr)
def _test_common(self, returncode, stdout, stderr):
given_command = "foo"
given_name = "foo-hook"
with mock.patch("certbot.hooks.Popen") as mock_popen:
mock_popen.return_value.communicate.return_value = (stdout, stderr)
mock_popen.return_value.returncode = returncode
with mock.patch("certbot.hooks.logger") as mock_logger:
self.assertEqual(self._call(given_name, given_command), (stderr, stdout))
executed_command = mock_popen.call_args[1].get(
"args", mock_popen.call_args[0][0])
self.assertEqual(executed_command, given_command)
mock_logger.info.assert_any_call("Running %s command: %s",
given_name, given_command)
if stdout:
mock_logger.info.assert_any_call(mock.ANY, mock.ANY,
mock.ANY, stdout)
if stderr or returncode:
self.assertTrue(mock_logger.error.called)
class ListHooksTest(test_util.TempDirTestCase):
"""Tests for certbot.hooks.list_hooks."""
@classmethod
def _call(cls, *args, **kwargs):
from certbot.hooks import list_hooks
return list_hooks(*args, **kwargs)
def test_empty(self):
self.assertFalse(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)
self.assertEqual(self._call(self.tempdir), names)
def test_single(self):
name = os.path.join(self.tempdir, "foo")
create_hook(name)
self.assertEqual(self._call(self.tempdir), [name])
def test_ignore_tilde(self):
name = os.path.join(self.tempdir, "foo~")
create_hook(name)
self.assertEqual(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__':
unittest.main() # pragma: no cover