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test_hooks_daemon.py
371 lines | 13.6 KiB | text/x-python | PythonLexer
# -*- coding: utf-8 -*-
# Copyright (C) 2010-2016 RhodeCode GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# This program is dual-licensed. If you wish to learn more about the
# RhodeCode Enterprise Edition, including its added features, Support services,
# and proprietary license terms, please see https://rhodecode.com/licenses/
import json
import logging
from StringIO import StringIO
import mock
import pytest
from rhodecode.lib import hooks_daemon
from rhodecode.tests.utils import assert_message_in_log
class TestDummyHooksCallbackDaemon(object):
def test_hooks_module_path_set_properly(self):
daemon = hooks_daemon.DummyHooksCallbackDaemon()
assert daemon.hooks_module == 'rhodecode.lib.hooks_daemon'
def test_logs_entering_the_hook(self):
daemon = hooks_daemon.DummyHooksCallbackDaemon()
with mock.patch.object(hooks_daemon.log, 'debug') as log_mock:
with daemon as return_value:
log_mock.assert_called_once_with(
'Running dummy hooks callback daemon')
assert return_value == daemon
def test_logs_exiting_the_hook(self):
daemon = hooks_daemon.DummyHooksCallbackDaemon()
with mock.patch.object(hooks_daemon.log, 'debug') as log_mock:
with daemon:
pass
log_mock.assert_called_with('Exiting dummy hooks callback daemon')
class TestHooks(object):
def test_hooks_can_be_used_as_a_context_processor(self):
hooks = hooks_daemon.Hooks()
with hooks as return_value:
pass
assert hooks == return_value
class TestHooksHttpHandler(object):
def test_read_request_parses_method_name_and_arguments(self):
data = {
'method': 'test',
'extras': {
'param1': 1,
'param2': 'a'
}
}
request = self._generate_post_request(data)
hooks_patcher = mock.patch.object(
hooks_daemon.Hooks, data['method'], create=True, return_value=1)
with hooks_patcher as hooks_mock:
MockServer(hooks_daemon.HooksHttpHandler, request)
hooks_mock.assert_called_once_with(data['extras'])
def test_hooks_serialized_result_is_returned(self):
request = self._generate_post_request({})
rpc_method = 'test'
hook_result = {
'first': 'one',
'second': 2
}
read_patcher = mock.patch.object(
hooks_daemon.HooksHttpHandler, '_read_request',
return_value=(rpc_method, {}))
hooks_patcher = mock.patch.object(
hooks_daemon.Hooks, rpc_method, create=True,
return_value=hook_result)
with read_patcher, hooks_patcher:
server = MockServer(hooks_daemon.HooksHttpHandler, request)
expected_result = json.dumps(hook_result)
assert server.request.output_stream.buflist[-1] == expected_result
def test_exception_is_returned_in_response(self):
request = self._generate_post_request({})
rpc_method = 'test'
read_patcher = mock.patch.object(
hooks_daemon.HooksHttpHandler, '_read_request',
return_value=(rpc_method, {}))
hooks_patcher = mock.patch.object(
hooks_daemon.Hooks, rpc_method, create=True,
side_effect=Exception('Test exception'))
with read_patcher, hooks_patcher:
server = MockServer(hooks_daemon.HooksHttpHandler, request)
expected_result = json.dumps({
'exception': 'Exception',
'exception_args': ('Test exception', )
})
assert server.request.output_stream.buflist[-1] == expected_result
def test_log_message_writes_to_debug_log(self, caplog):
ip_port = ('0.0.0.0', 8888)
handler = hooks_daemon.HooksHttpHandler(
MockRequest('POST /'), ip_port, mock.Mock())
fake_date = '1/Nov/2015 00:00:00'
date_patcher = mock.patch.object(
handler, 'log_date_time_string', return_value=fake_date)
with date_patcher, caplog.atLevel(logging.DEBUG):
handler.log_message('Some message %d, %s', 123, 'string')
expected_message = '{} - - [{}] Some message 123, string'.format(
ip_port[0], fake_date)
assert_message_in_log(
caplog.records(), expected_message,
levelno=logging.DEBUG, module='hooks_daemon')
def _generate_post_request(self, data):
payload = json.dumps(data)
return 'POST / HTTP/1.0\nContent-Length: {}\n\n{}'.format(
len(payload), payload)
class ThreadedHookCallbackDaemon(object):
def test_constructor_calls_prepare(self):
prepare_daemon_patcher = mock.patch.object(
hooks_daemon.ThreadedHookCallbackDaemon, '_prepare')
with prepare_daemon_patcher as prepare_daemon_mock:
hooks_daemon.ThreadedHookCallbackDaemon()
prepare_daemon_mock.assert_called_once_with()
def test_run_is_called_on_context_start(self):
patchers = mock.patch.multiple(
hooks_daemon.ThreadedHookCallbackDaemon,
_run=mock.DEFAULT, _prepare=mock.DEFAULT, __exit__=mock.DEFAULT)
with patchers as mocks:
daemon = hooks_daemon.ThreadedHookCallbackDaemon()
with daemon as daemon_context:
pass
mocks['_run'].assert_called_once_with()
assert daemon_context == daemon
def test_stop_is_called_on_context_exit(self):
patchers = mock.patch.multiple(
hooks_daemon.ThreadedHookCallbackDaemon,
_run=mock.DEFAULT, _prepare=mock.DEFAULT, _stop=mock.DEFAULT)
with patchers as mocks:
daemon = hooks_daemon.ThreadedHookCallbackDaemon()
with daemon as daemon_context:
assert mocks['_stop'].call_count == 0
mocks['_stop'].assert_called_once_with()
assert daemon_context == daemon
class TestPyro4HooksCallbackDaemon(object):
def test_prepare_inits_pyro4_and_registers_hooks(self, caplog):
pyro4_daemon = mock.Mock()
with self._pyro4_patcher(pyro4_daemon), caplog.atLevel(logging.DEBUG):
daemon = hooks_daemon.Pyro4HooksCallbackDaemon()
assert daemon._daemon == pyro4_daemon
assert pyro4_daemon.register.call_count == 1
args, kwargs = pyro4_daemon.register.call_args
assert len(args) == 1
assert isinstance(args[0], hooks_daemon.Hooks)
assert_message_in_log(
caplog.records(),
'Preparing callback daemon and registering hook object',
levelno=logging.DEBUG, module='hooks_daemon')
def test_run_creates_a_thread(self):
thread = mock.Mock()
pyro4_daemon = mock.Mock()
with self._pyro4_patcher(pyro4_daemon):
daemon = hooks_daemon.Pyro4HooksCallbackDaemon()
with self._thread_patcher(thread) as thread_mock:
daemon._run()
assert thread_mock.call_count == 1
args, kwargs = thread_mock.call_args
assert args == ()
assert kwargs['target'] == pyro4_daemon.requestLoop
assert kwargs['kwargs']['loopCondition']() is True
def test_stop_cleans_up_the_connection(self, caplog):
thread = mock.Mock()
pyro4_daemon = mock.Mock()
with self._pyro4_patcher(pyro4_daemon):
daemon = hooks_daemon.Pyro4HooksCallbackDaemon()
with self._thread_patcher(thread), caplog.atLevel(logging.DEBUG):
with daemon:
assert daemon._daemon == pyro4_daemon
assert daemon._callback_thread == thread
assert daemon._daemon is None
assert daemon._callback_thread is None
pyro4_daemon.close.assert_called_with()
thread.join.assert_called_once_with()
assert_message_in_log(
caplog.records(), 'Waiting for background thread to finish.',
levelno=logging.DEBUG, module='hooks_daemon')
def _pyro4_patcher(self, daemon):
return mock.patch.object(
hooks_daemon.Pyro4, 'Daemon', return_value=daemon)
def _thread_patcher(self, thread):
return mock.patch.object(
hooks_daemon.threading, 'Thread', return_value=thread)
class TestHttpHooksCallbackDaemon(object):
def test_prepare_inits_daemon_variable(self, tcp_server, caplog):
with self._tcp_patcher(tcp_server), caplog.atLevel(logging.DEBUG):
daemon = hooks_daemon.HttpHooksCallbackDaemon()
assert daemon._daemon == tcp_server
assert_message_in_log(
caplog.records(),
'Preparing callback daemon and registering hook object',
levelno=logging.DEBUG, module='hooks_daemon')
def test_prepare_inits_hooks_uri_and_logs_it(
self, tcp_server, caplog):
with self._tcp_patcher(tcp_server), caplog.atLevel(logging.DEBUG):
daemon = hooks_daemon.HttpHooksCallbackDaemon()
_, port = tcp_server.server_address
expected_uri = '{}:{}'.format(daemon.IP_ADDRESS, port)
assert daemon.hooks_uri == expected_uri
assert_message_in_log(
caplog.records(), 'Hooks uri is: {}'.format(expected_uri),
levelno=logging.DEBUG, module='hooks_daemon')
def test_run_creates_a_thread(self, tcp_server):
thread = mock.Mock()
with self._tcp_patcher(tcp_server):
daemon = hooks_daemon.HttpHooksCallbackDaemon()
with self._thread_patcher(thread) as thread_mock:
daemon._run()
thread_mock.assert_called_once_with(
target=tcp_server.serve_forever,
kwargs={'poll_interval': daemon.POLL_INTERVAL})
assert thread.daemon is True
thread.start.assert_called_once_with()
def test_run_logs(self, tcp_server, caplog):
with self._tcp_patcher(tcp_server):
daemon = hooks_daemon.HttpHooksCallbackDaemon()
with self._thread_patcher(mock.Mock()), caplog.atLevel(logging.DEBUG):
daemon._run()
assert_message_in_log(
caplog.records(),
'Running event loop of callback daemon in background thread',
levelno=logging.DEBUG, module='hooks_daemon')
def test_stop_cleans_up_the_connection(self, tcp_server, caplog):
thread = mock.Mock()
with self._tcp_patcher(tcp_server):
daemon = hooks_daemon.HttpHooksCallbackDaemon()
with self._thread_patcher(thread), caplog.atLevel(logging.DEBUG):
with daemon:
assert daemon._daemon == tcp_server
assert daemon._callback_thread == thread
assert daemon._daemon is None
assert daemon._callback_thread is None
tcp_server.shutdown.assert_called_with()
thread.join.assert_called_once_with()
assert_message_in_log(
caplog.records(), 'Waiting for background thread to finish.',
levelno=logging.DEBUG, module='hooks_daemon')
def _tcp_patcher(self, tcp_server):
return mock.patch.object(
hooks_daemon, 'TCPServer', return_value=tcp_server)
def _thread_patcher(self, thread):
return mock.patch.object(
hooks_daemon.threading, 'Thread', return_value=thread)
class TestPrepareHooksDaemon(object):
def test_returns_dummy_hooks_callback_daemon_when_using_direct_calls(self):
expected_extras = {'extra1': 'value1'}
callback, extras = hooks_daemon.prepare_callback_daemon(
expected_extras.copy(), use_direct_calls=True)
assert isinstance(callback, hooks_daemon.DummyHooksCallbackDaemon)
expected_extras['hooks_module'] = 'rhodecode.lib.hooks_daemon'
assert extras == expected_extras
@pytest.mark.parametrize('protocol, expected_class', (
('pyro4', hooks_daemon.Pyro4HooksCallbackDaemon),
('Pyro4', hooks_daemon.Pyro4HooksCallbackDaemon),
('HTTP', hooks_daemon.HttpHooksCallbackDaemon),
('http', hooks_daemon.HttpHooksCallbackDaemon)
))
def test_returns_real_hooks_callback_daemon_when_protocol_is_specified(
self, protocol, expected_class):
expected_extras = {
'extra1': 'value1',
'hooks_protocol': protocol.lower()
}
callback, extras = hooks_daemon.prepare_callback_daemon(
expected_extras.copy(), protocol=protocol)
assert isinstance(callback, expected_class)
hooks_uri = extras.pop('hooks_uri')
assert extras == expected_extras
if protocol.lower() == 'pyro4':
assert hooks_uri.startswith('PYRO')
class MockRequest(object):
def __init__(self, request):
self.request = request
self.input_stream = StringIO(b'{}'.format(self.request))
self.output_stream = StringIO()
def makefile(self, mode, *args, **kwargs):
return self.output_stream if mode == 'wb' else self.input_stream
class MockServer(object):
def __init__(self, Handler, request):
ip_port = ('0.0.0.0', 8888)
self.request = MockRequest(request)
self.handler = Handler(self.request, ip_port, self)
@pytest.fixture
def tcp_server():
server = mock.Mock()
server.server_address = ('127.0.0.1', 8881)
return server