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test_hooks_daemon.py
376 lines | 14.0 KiB | text/x-python | PythonLexer
# Copyright (C) 2010-2023 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 logging
import io
import mock
import msgpack
import pytest
from rhodecode.lib import hooks_daemon
from rhodecode.lib.str_utils import safe_bytes
from rhodecode.tests.utils import assert_message_in_log
from rhodecode.lib.ext_json import json
test_proto = hooks_daemon.HooksHttpHandler.MSGPACK_HOOKS_PROTO
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 `%s` callback daemon', 'DummyHooksCallbackDaemon')
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 `%s` callback daemon', 'DummyHooksCallbackDaemon')
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:
handler = hooks_daemon.HooksHttpHandler
handler.DEFAULT_HOOKS_PROTO = test_proto
handler.wbufsize = 10240
MockServer(handler, 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
}
extras = {}
# patching our _read to return test method and proto used
read_patcher = mock.patch.object(
hooks_daemon.HooksHttpHandler, '_read_request',
return_value=(test_proto, rpc_method, extras))
# patch Hooks instance to return hook_result data on 'test' call
hooks_patcher = mock.patch.object(
hooks_daemon.Hooks, rpc_method, create=True,
return_value=hook_result)
with read_patcher, hooks_patcher:
handler = hooks_daemon.HooksHttpHandler
handler.DEFAULT_HOOKS_PROTO = test_proto
handler.wbufsize = 10240
server = MockServer(handler, request)
expected_result = hooks_daemon.HooksHttpHandler.serialize_data(hook_result)
server.request.output_stream.seek(0)
assert server.request.output_stream.readlines()[-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=(test_proto, rpc_method, {}))
hooks_patcher = mock.patch.object(
hooks_daemon.Hooks, rpc_method, create=True,
side_effect=Exception('Test exception'))
with read_patcher, hooks_patcher:
handler = hooks_daemon.HooksHttpHandler
handler.DEFAULT_HOOKS_PROTO = test_proto
handler.wbufsize = 10240
server = MockServer(handler, request)
server.request.output_stream.seek(0)
data = server.request.output_stream.readlines()
msgpack_data = b''.join(data[5:])
org_exc = hooks_daemon.HooksHttpHandler.deserialize_data(msgpack_data)
expected_result = {
'exception': 'Exception',
'exception_traceback': org_exc['exception_traceback'],
'exception_args': ['Test exception']
}
assert org_exc == 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.at_level(logging.DEBUG):
handler.log_message('Some message %d, %s', 123, 'string')
expected_message = f"HOOKS: client={ip_port} - - [{fake_date}] Some message 123, string"
assert_message_in_log(
caplog.records, expected_message,
levelno=logging.DEBUG, module='hooks_daemon')
def _generate_post_request(self, data, proto=test_proto):
if proto == hooks_daemon.HooksHttpHandler.MSGPACK_HOOKS_PROTO:
payload = msgpack.packb(data)
else:
payload = json.dumps(data)
return b'POST / HTTP/1.0\nContent-Length: %d\n\n%b' % (
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 TestHttpHooksCallbackDaemon(object):
def test_hooks_callback_generates_new_port(self, caplog):
with caplog.at_level(logging.DEBUG):
daemon = hooks_daemon.HttpHooksCallbackDaemon(host='127.0.0.1', port=8881)
assert daemon._daemon.server_address == ('127.0.0.1', 8881)
with caplog.at_level(logging.DEBUG):
daemon = hooks_daemon.HttpHooksCallbackDaemon(host=None, port=None)
assert daemon._daemon.server_address[1] in range(0, 66000)
assert daemon._daemon.server_address[0] != '127.0.0.1'
def test_prepare_inits_daemon_variable(self, tcp_server, caplog):
with self._tcp_patcher(tcp_server), caplog.at_level(logging.DEBUG):
daemon = hooks_daemon.HttpHooksCallbackDaemon(host='127.0.0.1', port=8881)
assert daemon._daemon == tcp_server
_, port = tcp_server.server_address
msg = f"HOOKS: 127.0.0.1:{port} Preparing HTTP callback daemon registering " \
f"hook object: <class 'rhodecode.lib.hooks_daemon.HooksHttpHandler'>"
assert_message_in_log(
caplog.records, msg, 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.at_level(logging.DEBUG):
daemon = hooks_daemon.HttpHooksCallbackDaemon(host='127.0.0.1', port=8881)
_, port = tcp_server.server_address
expected_uri = '{}:{}'.format('127.0.0.1', port)
assert daemon.hooks_uri == expected_uri
msg = f"HOOKS: 127.0.0.1:{port} Preparing HTTP callback daemon registering " \
f"hook object: <class 'rhodecode.lib.hooks_daemon.HooksHttpHandler'>"
assert_message_in_log(
caplog.records, msg,
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.at_level(logging.DEBUG):
daemon._run()
assert_message_in_log(
caplog.records,
'Running thread-based loop of callback daemon in background',
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.at_level(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):
@pytest.mark.parametrize('protocol', ('http',))
def test_returns_dummy_hooks_callback_daemon_when_using_direct_calls(
self, protocol):
expected_extras = {'extra1': 'value1'}
callback, extras = hooks_daemon.prepare_callback_daemon(
expected_extras.copy(), protocol=protocol,
host='127.0.0.1', use_direct_calls=True)
assert isinstance(callback, hooks_daemon.DummyHooksCallbackDaemon)
expected_extras['hooks_module'] = 'rhodecode.lib.hooks_daemon'
expected_extras['time'] = extras['time']
assert 'extra1' in extras
@pytest.mark.parametrize('protocol, expected_class', (
('http', hooks_daemon.HttpHooksCallbackDaemon),
))
def test_returns_real_hooks_callback_daemon_when_protocol_is_specified(
self, protocol, expected_class):
expected_extras = {
'extra1': 'value1',
'txn_id': 'txnid2',
'hooks_protocol': protocol.lower()
}
callback, extras = hooks_daemon.prepare_callback_daemon(
expected_extras.copy(), protocol=protocol, host='127.0.0.1',
use_direct_calls=False,
txn_id='txnid2')
assert isinstance(callback, expected_class)
extras.pop('hooks_uri')
expected_extras['time'] = extras['time']
assert extras == expected_extras
@pytest.mark.parametrize('protocol', (
'invalid',
'Http',
'HTTP',
))
def test_raises_on_invalid_protocol(self, protocol):
expected_extras = {
'extra1': 'value1',
'hooks_protocol': protocol.lower()
}
with pytest.raises(Exception):
callback, extras = hooks_daemon.prepare_callback_daemon(
expected_extras.copy(),
protocol=protocol, host='127.0.0.1',
use_direct_calls=False)
class MockRequest(object):
def __init__(self, request):
self.request = request
self.input_stream = io.BytesIO(safe_bytes(self.request))
self.output_stream = io.BytesIO() # make it un-closable for testing invesitagion
self.output_stream.close = lambda: None
def makefile(self, mode, *args, **kwargs):
return self.output_stream if mode == 'wb' else self.input_stream
class MockServer(object):
def __init__(self, handler_cls, request):
ip_port = ('0.0.0.0', 8888)
self.request = MockRequest(request)
self.server_address = ip_port
self.handler = handler_cls(self.request, ip_port, self)
@pytest.fixture()
def tcp_server():
server = mock.Mock()
server.server_address = ('127.0.0.1', 8881)
server.wbufsize = 1024
return server