tests: fixed tests for the added extra traceback with exceptions for vcsserver.

rhodecode/tests/lib/test_hooks_daemon.py

@@ -1,319 +1,321 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2010-2017 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({
+        org_exc = json.loads(server.request.output_stream.buflist[-1])
+        expected_result = {
             'exception': 'Exception',
-            'exception_args': ('Test exception', )
-        })
-        assert server.request.output_stream.buflist[-1] == expected_result
+            '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 = '{} - - [{}] 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 TestHttpHooksCallbackDaemon(object):
     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()
         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.at_level(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.at_level(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.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, 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', (
         ('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, use_direct_calls=False)
         assert isinstance(callback, expected_class)
         hooks_uri = extras.pop('hooks_uri')
         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,
                 use_direct_calls=False)
 
 
 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