def test__calculate_st_dev(self):
     bridge = EdgeDataBridge(self.config)
     values = [1.1, 1.11, 1.12, 1.13, 1.14]
     stdev = bridge._calculate_st_dev(values)
     self.assertEqual(stdev, 0.014)
     stdev = bridge._calculate_st_dev([])
     self.assertEqual(stdev, 0)
示例#2
0
    def test_create_api_client(self, mock_APIClient):
        mock_APIClient.side_effect = [RequestFailed(), munchify({
            'session': {'headers': {'User-Agent': 'test.agent'}}
        })]
        bridge = EdgeDataBridge(self.config)
        self.assertEqual(bridge.api_clients_queue.qsize(), 0)
        bridge.create_api_client()
        self.assertEqual(bridge.api_clients_queue.qsize(), 1)

        del bridge
 def test_run(self, mock_gevent, mock_perfomance, mock_controller,
              mock_fill, mock_fill_input_queue):
     bridge = EdgeDataBridge(self.config)
     self.assertEqual(len(bridge.filter_workers_pool), 0)
     with patch('__builtin__.True', AlmostAlwaysTrue(4)):
         bridge.run()
     self.assertEqual(mock_fill.call_count, 1)
     self.assertEqual(mock_controller.call_count, 1)
     self.assertEqual(mock_gevent.call_count, 1)
     self.assertEqual(mock_fill_input_queue.call_count, 1)
    def test__get_average_request_duration(self):
        bridge = EdgeDataBridge(self.config)
        bridge.create_api_client()
        bridge.create_api_client()
        bridge.create_api_client()
        res, _ = bridge._get_average_requests_duration()
        self.assertEqual(res, 0)
        request_duration = 1
        for k in bridge.api_clients_info:
            for i in xrange(0, 3):
                bridge.api_clients_info[k]['request_durations'][datetime.datetime.now()] =\
                    request_duration
            request_duration += 1
        res, res_list = bridge._get_average_requests_duration()
        self.assertEqual(res, 2)
        self.assertEqual(len(res_list), 3)

        delta = datetime.timedelta(seconds=301)
        grown_date = datetime.datetime.now() - delta
        bridge.api_clients_info[uuid.uuid4().hex] = {
            'request_durations': {grown_date: 1},
            'destroy': False,
            'request_interval': 0,
            'avg_duration': 0
        }
        self.assertEqual(len(bridge.api_clients_info), 4)

        res, res_list = bridge._get_average_requests_duration()
        grown = 0
        for k in bridge.api_clients_info:
            if bridge.api_clients_info[k].get('grown', False):
                grown += 1
        self.assertEqual(res, 1.75)
        self.assertEqual(len(res_list), 4)
        self.assertEqual(grown, 1)
 def test_get_tenders_list(self, mock_get_tenders):
     tid = uuid.uuid4().hex
     t_date_modified = datetime.datetime.utcnow().isoformat()
     mock_get_tenders.return_value = [{
         'id': tid,
         'dateModified': t_date_modified
     }]
     bridge = EdgeDataBridge(self.config)
     for tender_id, date_modified in bridge.get_teders_list():
         self.assertEqual(tender_id, tid)
         self.assertEqual(t_date_modified, date_modified)
 def test_fill_input_queue(self):
     bridge = EdgeDataBridge(self.config)
     return_value = [
         {'id': uuid.uuid4().hex,
          'dateModified': datetime.datetime.utcnow().isoformat()}
     ]
     bridge.feeder.get_resource_items = MagicMock(return_value=return_value)
     self.assertEqual(bridge.input_queue.qsize(), 0)
     bridge.fill_input_queue()
     self.assertEqual(bridge.input_queue.qsize(), 1)
     self.assertEqual(bridge.input_queue.get(), return_value[0])
    def test_bridge_stats(self):
        bridge = EdgeDataBridge(self.config)
        bridge.feeder = MagicMock()
        bridge.feeder.queue.qsize.return_value = 44
        bridge.feeder.backward_info = {
            'last_response': datetime.datetime.now(),
            'status': 1,
            'resource_item_count': 13
        }
        bridge.feeder.forward_info = {
            'last_response': datetime.datetime.now(),
            'resource_item_count': 31
        }
        bridge.filler = MagicMock()
        bridge.filler.exception = Exception('test_filler')
        bridge.input_queue_filler = MagicMock()
        bridge.input_queue_filler.exception = Exception('test_temp_filler')

        sleep(1)
        res = bridge.bridge_stats()
        keys = ['resource_items_queue_size', 'retry_resource_items_queue_size', 'workers_count',
                'api_clients_count', 'avg_request_duration', 'filter_workers_count',
                'retry_workers_count', 'min_avg_request_duration', 'max_avg_request_duration']
        for k, v in bridge.log_dict.items():
            self.assertEqual(res[k], v)
        for k in keys:
            self.assertEqual(res[k], 0)
        self.assertEqual(res['sync_backward_response_len'],
                         bridge.feeder.backward_info['resource_item_count'])
        self.assertEqual(res['sync_forward_response_len'],
                         bridge.feeder.forward_info['resource_item_count'])
        self.assertGreater(res['vms'], 0)
        self.assertGreater(res['rss'], 0)
        self.assertGreater(res['sync_backward_last_response'], 0)
        self.assertGreater(res['sync_forward_last_response'], 0)
        self.assertEqual(res['sync_queue'], 44)
        self.assertEqual(res['resource'], bridge.workers_config['resource'])
        self.assertEqual(res['_id'], bridge.workers_config['resource'])
        self.assertNotEqual(res['time'], '')

        bridge.feeder.backward_info['status'] = 0
        bridge.api_clients_info['c1'] = {'request_durations': {datetime.datetime.now(): 1}}
        bridge.api_clients_info['c2'] = {'request_durations': {datetime.datetime.now(): 2}}

        res = bridge.bridge_stats()
        self.assertEqual(res['sync_backward_last_response'], 0)
        self.assertNotEqual(res['max_avg_request_duration'], 0)
        self.assertNotEqual(res['min_avg_request_duration'], 0)
    def test_perfomance_watcher(self):
        bridge = EdgeDataBridge(self.config)
        for i in xrange(0, 3):
            bridge.create_api_client()
        req_duration = 1
        for _, info in bridge.api_clients_info.items():
            info['request_durations'][datetime.datetime.now()] = req_duration
            req_duration += 1
            self.assertEqual(info.get('grown', False), False)
            self.assertEqual(len(info['request_durations']), 1)
        self.assertEqual(len(bridge.api_clients_info), 3)
        self.assertEqual(bridge.api_clients_queue.qsize(), 3)
        sleep(1)

        bridge.perfomance_watcher()
        grown = 0
        with_new_cookies = 0
        for cid, info in bridge.api_clients_info.items():
            if info.get('grown', False):
                grown += 1
            if info['drop_cookies']:
                with_new_cookies += 1
            self.assertEqual(len(info['request_durations']), 0)
        self.assertEqual(len(bridge.api_clients_info), 3)
        self.assertEqual(bridge.api_clients_queue.qsize(), 3)
        self.assertEqual(grown, 3)
        self.assertEqual(with_new_cookies, 1)
    def test_config_get(self):
        test_config = {
            'main': {
                'tenders_api_server':
                'https://lb.api-sandbox.openprocurement.org',
                'tenders_api_version': "0",
                'public_tenders_api_server':
                'https://lb.api-sandbox.openprocurement.org',
                'couch_url': 'http://localhost:5984',
                'public_db': 'public_db'
            },
            'version': 1
        }

        bridge = EdgeDataBridge(test_config)
        couch_url_config = bridge.config_get('couch_url')
        self.assertEqual(couch_url_config, test_config['main']['couch_url'])

        del bridge.config['main']['couch_url']
        couch_url_config = bridge.config_get('couch_url')
        self.assertEqual(couch_url_config, None)

        del bridge.config['main']
        with self.assertRaises(DataBridgeConfigError):
            bridge.config_get('couch_url')
示例#10
0
    def test_fill_resource_items_queue(self):
        bridge = EdgeDataBridge(self.config)
        db_dict_list = [
            {
                'id': uuid.uuid4().hex,
                'dateModified': datetime.datetime.utcnow().isoformat()
            },
            {
                'id': uuid.uuid4().hex,
                'dateModified': datetime.datetime.utcnow().isoformat()
            }]
        with patch('__builtin__.True', AlmostAlwaysTrue(1)):
            bridge.fill_resource_items_queue()
        self.assertEqual(bridge.resource_items_queue.qsize(), 0)

        for item in db_dict_list:
            bridge.input_queue.put({
                'id': item['id'],
                'dateModified': datetime.datetime.utcnow().isoformat()
            })
        view_return_list = [
            munchify({
                'id': db_dict_list[0]['id'],
                'key': db_dict_list[0]['dateModified']
            })
        ]
        bridge.db.view = MagicMock(return_value=view_return_list)
        with patch('__builtin__.True', AlmostAlwaysTrue(1)):
            bridge.fill_resource_items_queue()
        self.assertEqual(bridge.resource_items_queue.qsize(), 1)
    def test_config_get(self):
        test_config = {
            'main': {
                'resources_api_server':
                'https://lb.api-sandbox.openprocurement.org',
                'resources_api_version': "0",
                'public_resources_api_server':
                'https://lb.api-sandbox.openprocurement.org',
                'couch_url': 'http://localhost:5984',
                'db_name': 'test_db',
                'retrievers_params': {
                    'down_requests_sleep': 5,
                    'up_requests_sleep': 1,
                    'up_wait_sleep': 30,
                    'queue_size': 101
                }
            },
            'version': 1
        }

        bridge = EdgeDataBridge(test_config)
        couch_url_config = bridge.config_get('couch_url')
        self.assertEqual(couch_url_config, test_config['main']['couch_url'])

        del bridge.config['main']['couch_url']
        couch_url_config = bridge.config_get('couch_url')
        self.assertEqual(couch_url_config, None)
        server = Server(test_config['main'].get('couch_url')
                        or 'http://127.0.0.1:5984')
        del server[test_config['main']['db_name']]

        del bridge.config['main']
        with self.assertRaises(DataBridgeConfigError):
            bridge.config_get('couch_url')
 def test_gevent_watcher(self, mock_APIClient, mock_riw_spawn, mock_spawn):
     bridge = EdgeDataBridge(self.config)
     return_dict = {
         'type':
         'indexer',
         'database':
         bridge.db_name,
         'design_document':
         '_design/{}'.format(bridge.workers_config['resource']),
         'progress':
         99
     }
     bridge.server.tasks = MagicMock(return_value=[return_dict])
     bridge.filler = MagicMock()
     bridge.filler.exception = Exception('test_filler')
     bridge.input_queue_filler = MagicMock()
     bridge.input_queue_filler.exception = Exception('test_temp_filler')
     self.assertEqual(bridge.workers_pool.free_count(), bridge.workers_max)
     self.assertEqual(bridge.retry_workers_pool.free_count(),
                      bridge.retry_workers_max)
     bridge.gevent_watcher()
     self.assertEqual(bridge.workers_pool.free_count(),
                      bridge.workers_max - bridge.workers_min)
     self.assertEqual(bridge.retry_workers_pool.free_count(),
                      bridge.retry_workers_max - bridge.retry_workers_min)
     del bridge
    def test_queues_controller(self, mock_riw_spawn, mock_APIClient):
        bridge = EdgeDataBridge(self.config)
        bridge.resource_items_queue_size = 10
        bridge.resource_items_queue = Queue(10)
        for i in xrange(0, 10):
            bridge.resource_items_queue.put('a')
        self.assertEqual(len(bridge.workers_pool), 0)
        self.assertEqual(bridge.resource_items_queue.qsize(), 10)
        with patch('__builtin__.True', AlmostAlwaysTrue()):
            bridge.queues_controller()
        self.assertEqual(len(bridge.workers_pool), 1)
        bridge.workers_pool.add(mock_riw_spawn)
        self.assertEqual(len(bridge.workers_pool), 2)

        for i in xrange(0, 10):
            bridge.resource_items_queue.get()
        with patch('__builtin__.True', AlmostAlwaysTrue()):
            bridge.queues_controller()
        self.assertEqual(len(bridge.workers_pool), 1)
        self.assertEqual(bridge.resource_items_queue.qsize(), 0)
    def test_run(self):
        log_string = io.BytesIO()
        stream_handler = logging.StreamHandler(log_string)
        logger.addHandler(stream_handler)

        bridge = EdgeDataBridge(self.config)
        mock_tender = {'data': test_tender_data}
        bridge.client.get_tender = MagicMock(return_value=mock_tender)
        tid = uuid.uuid4().hex
        t_date_modified = datetime.datetime.utcnow().isoformat()
        mock_tender['data']['dateModified'] = t_date_modified
        bridge.save_tender_in_db(tid, t_date_modified)
        bridge.get_teders_list = MagicMock(
            return_value=[[tid, datetime.datetime.utcnow().isoformat()]])
        bridge.run()
        x = log_string.getvalue().split('\n')
        self.assertEqual(x[2], 'Start Edge Bridge')
        self.assertEqual(x[3], 'Start data sync...')
        del_tender = bridge.db.get(tid)
        bridge.db.delete(del_tender)

        logger.removeHandler(stream_handler)
        log_string.close()
示例#15
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 def test_resource_items_filter(self):
     bridge = EdgeDataBridge(self.config)
     date_modified_old = datetime.datetime.utcnow().isoformat()
     date_modified_newest = datetime.datetime.utcnow().isoformat()
     side_effect = [{'dateModified': date_modified_old},
                    {'dateModified': date_modified_newest}, None,
                    Exception('db exception')]
     bridge.db.get = MagicMock(side_effect=side_effect)
     result = bridge.resource_items_filter(uuid.uuid4().hex,
                                           date_modified_newest)
     self.assertEqual(result, True)
     result = bridge.resource_items_filter(uuid.uuid4().hex,
                                           date_modified_old)
     self.assertEqual(result, False)
     result = bridge.resource_items_filter(uuid.uuid4().hex,
                                           date_modified_old)
     self.assertEqual(result, True)
     result = bridge.resource_items_filter(uuid.uuid4().hex,
                                           date_modified_old)
     self.assertEqual(result, True)
示例#16
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 def test_send_bulk(self):
     old_date_modified = datetime.datetime.utcnow().isoformat()
     id_1 = uuid.uuid4().hex
     date_modified_1 = datetime.datetime.utcnow().isoformat()
     id_2 = uuid.uuid4().hex
     date_modified_2 = datetime.datetime.utcnow().isoformat()
     input_dict = {id_1: date_modified_1, id_2: date_modified_2}
     return_value = [
         munchify({'id': id_1, 'key': date_modified_1}),
         munchify({'id': id_2, 'key': old_date_modified})
     ]
     bridge = EdgeDataBridge(self.config)
     bridge.db.view = MagicMock(return_value=return_value)
     self.assertEqual(bridge.resource_items_queue.qsize(), 0)
     bridge.send_bulk(input_dict)
     self.assertEqual(bridge.resource_items_queue.qsize(), 1)
     bridge.db.view.side_effect = [Exception(), Exception(),
                                   Exception('test')]
     input_dict = {}
     with self.assertRaises(Exception) as e:
         bridge.send_bulk(input_dict)
     self.assertEqual(e.exception.message, 'test')
    def test_save_tender_in_db(self):
        log_string = io.BytesIO()
        stream_handler = logging.StreamHandler(log_string)
        logger.addHandler(stream_handler)

        bridge = EdgeDataBridge(self.config)
        mock_tender = {'data': test_tender_data}
        bridge.client.get_tender = MagicMock(return_value=mock_tender)

        # Save tender

        tid = uuid.uuid4().hex
        t_date_modified = datetime.datetime.utcnow().isoformat()
        mock_tender['data']['dateModified'] = t_date_modified
        bridge.save_tender_in_db(tid, t_date_modified)
        x = log_string.getvalue().split('\n')
        self.assertEqual(x[1].strip(), 'Save tender ' + tid)
        tender_in_db = bridge.db.get(tid)
        self.assertEqual(tender_in_db.id, tid)

        # Tender exist in db and not modified
        result = bridge.save_tender_in_db(tid, t_date_modified)
        self.assertEqual(result, None)

        # Update tender
        t_date_modified = datetime.datetime.utcnow().isoformat()
        mock_tender['data']['dateModified'] = t_date_modified
        bridge.save_tender_in_db(tid, t_date_modified)
        x = log_string.getvalue().split('\n')
        self.assertEqual(x[2].strip(), 'Update tender ' + tid)
        updated_tender = bridge.db.get(tid)
        self.assertEqual(updated_tender['dateModified'],
                         unicode(t_date_modified))

        # Tender not found
        bridge.client.get_tender = MagicMock(return_value=test_tender_data)
        bridge.save_tender_in_db(tid, datetime.datetime.utcnow().isoformat())
        x = log_string.getvalue().split('\n')
        self.assertEqual(x[3].strip(), 'Tender ' + tid + ' not found')
        bridge.db.delete(updated_tender)

        # Saving tender with exception
        bridge.client.get_tender = MagicMock(return_value=mock_tender)
        bridge.config['main']['couch_url'] = ''
        bridge.config['main']['public_db'] = ''
        bridge.db = Database('bridge.couch_url',
                             session=Session(retry_delays=range(10)))
        new_mock_tender = mock_tender
        new_mock_tender['dateModified'] = datetime.datetime.utcnow().isoformat(
        )
        new_mock_tender['_rev'] = '2-' + uuid.uuid4().hex
        bridge.db.get = MagicMock(return_value=new_mock_tender)
        tid = uuid.uuid4().hex
        bridge.save_tender_in_db(tid, datetime.datetime.utcnow().isoformat())
        x = log_string.getvalue().split('\n')
        self.assertEqual(
            x[5].strip(), 'Saving tender ' + tid +
            ' fail with error (400, (u\'illegal_database_name\', u"Name: \'bridge.couch_url\'. Only lowercase characters (a-z), digits (0-9), and any of the characters _, $, (, ), +, -, and / are allowed. Must begin with a letter."))'
        )

        logger.removeHandler(stream_handler)
        log_string.close()
    def test__mark_bad_clients(self):
        bridge = EdgeDataBridge(self.config)
        self.assertEqual(bridge.api_clients_queue.qsize(), 0)
        self.assertEqual(len(bridge.api_clients_info), 0)

        bridge.create_api_client()
        bridge.create_api_client()
        bridge.create_api_client()
        self.assertEqual(len(bridge.api_clients_info), 3)
        avg_duration = 1
        req_intervals = [0, 2, 0, 0]
        for cid in bridge.api_clients_info:
            self.assertEqual(bridge.api_clients_info[cid]['drop_cookies'],
                             False)
            bridge.api_clients_info[cid]['avg_duration'] = avg_duration
            bridge.api_clients_info[cid]['grown'] = True
            bridge.api_clients_info[cid]['request_interval'] = req_intervals[
                avg_duration]
            avg_duration += 1
        avg = 1.5
        bridge._mark_bad_clients(avg)
        self.assertEqual(len(bridge.api_clients_info), 3)
        self.assertEqual(bridge.api_clients_queue.qsize(), 3)
        to_destroy = 0
        for cid in bridge.api_clients_info:
            if bridge.api_clients_info[cid]['drop_cookies']:
                to_destroy += 1
        self.assertEqual(to_destroy, 3)
    def test_fill_input_queue(self):
        bridge = EdgeDataBridge(self.config)
        bridge.workers_config['historical'] = True
        mock_api_client = MagicMock()
        client_dict = {
            'id': uuid.uuid4().hex,
            'request_interval': 0.02,
            'client': mock_api_client
        }
        bridge.api_clients_queue.put(client_dict)
        return_value = [{
            'id': uuid.uuid4().hex,
            'dateModified': datetime.datetime.utcnow().isoformat()
        }]
        resource_item_return_value = {
            'id': return_value[0]['id'],
            'x_revision_n': randint(10, 99)
        }

        mock_api_client.get_resource_item_historical.return_value = resource_item_return_value
        bridge.feeder.get_resource_items = MagicMock(return_value=return_value)
        self.assertEqual(bridge.input_queue.qsize(), 0)
        bridge.fill_input_queue()
        self.assertEqual(bridge.resource_items_queue.qsize(),
                         resource_item_return_value['x_revision_n'])

        bridge.resource_items_queue = Queue()
        mock_api_client.get_resource_item_historical.side_effect = RequestFailed(
            munchify({'status_code': 429}))
        bridge.fill_input_queue()
        self.assertEqual(bridge.resource_items_queue.qsize(), 0)

        bridge = EdgeDataBridge(self.config)
        return_value = [{
            'id': uuid.uuid4().hex,
            'dateModified': datetime.datetime.utcnow().isoformat()
        }]
        bridge.feeder.get_resource_items = MagicMock(return_value=return_value)
        self.assertEqual(bridge.input_queue.qsize(), 0)
        bridge.fill_input_queue()
        self.assertEqual(bridge.input_queue.qsize(), 1)
        self.assertEqual(bridge.input_queue.get(), return_value[0])
 def test_fill_api_clients_queue(self, mock_APIClient):
     bridge = EdgeDataBridge(self.config)
     self.assertEqual(bridge.api_clients_queue.qsize(), 0)
     bridge.fill_api_clients_queue()
     self.assertEqual(bridge.api_clients_queue.qsize(), bridge.workers_min)
    def test_init(self):
        self.config['main']['input_queue_size'] = -1
        bridge = EdgeDataBridge(self.config)
        self.assertEqual(bridge.input_queue_size, -1)
        self.config['main']['input_queue_size'] = 1
        bridge = EdgeDataBridge(self.config)
        self.assertIn('resources_api_server', bridge.config['main'])
        self.assertIn('resources_api_version', bridge.config['main'])
        self.assertIn('public_resources_api_server', bridge.config['main'])
        self.assertIn('couch_url', bridge.config['main'])
        self.assertIn('db_name', bridge.config['main'])
        self.assertEqual(self.config['main']['couch_url'], bridge.couch_url)
        self.assertEqual(len(bridge.server.uuids()[0]), 32)

        del bridge
        self.config['main']['resource_items_queue_size'] = 101
        self.config['main']['retry_resource_items_queue_size'] = 101
        bridge = EdgeDataBridge(self.config)

        self.config['main']['couch_url'] = 'http://127.0.0.1:5987'
        with self.assertRaises(DataBridgeConfigError) as e:
            bridge = EdgeDataBridge(self.config)
        self.assertEqual(e.exception.message, 'Connection refused')

        del bridge
        self.config['main']['couch_url'] = 'http://127.0.0.1:5984'

        try:
            server = Server(self.config['main'].get('couch_url'))
            del server[self.config['main']['db_name']]
        except:
            pass
        test_config = {}

        # Create EdgeDataBridge object with wrong config variable structure
        test_config = {
            'mani': {
                'resources_api_server':
                'https://lb.api-sandbox.openprocurement.org',
                'resources_api_version': "0",
                'public_resources_api_server':
                'https://lb.api-sandbox.openprocurement.org',
                'couch_url': 'http://localhost:5984',
                'db_name': 'test_db',
                'retrievers_params': {
                    'down_requests_sleep': 5,
                    'up_requests_sleep': 1,
                    'up_wait_sleep': 30,
                    'queue_size': 101
                }
            },
            'version': 1
        }
        with self.assertRaises(DataBridgeConfigError) as e:
            EdgeDataBridge(test_config)
        self.assertEqual(e.exception.message, 'In config dictionary missed '
                         'section \'main\'')

        # Create EdgeDataBridge object without variable 'resources_api_server' in config
        del test_config['mani']
        test_config['main'] = {
            'retrievers_params': {
                'down_requests_sleep': 5,
                'up_requests_sleep': 1,
                'up_wait_sleep': 30,
                'queue_size': 101
            }
        }
        with self.assertRaises(DataBridgeConfigError) as e:
            EdgeDataBridge(test_config)
        self.assertEqual(
            e.exception.message, 'In config dictionary empty or '
            'missing \'tenders_api_server\'')
        with self.assertRaises(KeyError) as e:
            test_config['main']['resources_api_server']
        self.assertEqual(e.exception.message, 'resources_api_server')

        # Create EdgeDataBridge object with empty resources_api_server
        test_config['main']['resources_api_server'] = ''
        with self.assertRaises(DataBridgeConfigError) as e:
            EdgeDataBridge(test_config)
        self.assertEqual(
            e.exception.message, 'In config dictionary empty or '
            'missing \'tenders_api_server\'')

        # Create EdgeDataBridge object with invalid resources_api_server
        test_config['main']['resources_api_server'] = 'my_server'
        with self.assertRaises(DataBridgeConfigError) as e:
            EdgeDataBridge(test_config)
        self.assertEqual(e.exception.message, 'Invalid \'tenders_api_server\' '
                         'url.')

        test_config['main'][
            'resources_api_server'] = 'https://lb.api-sandbox.openprocurement.org'

        test_config['main']['db_name'] = 'public'
        test_config['main']['resources_api_version'] = "0"
        test_config['main']['public_resources_api_server'] \
            = 'https://lb.api-sandbox.openprocurement.org'

        # Create EdgeDataBridge object with deleting config variables step by step
        bridge = EdgeDataBridge(test_config)
        self.assertEqual(type(bridge), EdgeDataBridge)
        with self.assertRaises(KeyError) as e:
            test_config['main']['couch_url']
        self.assertEqual(e.exception.message, 'couch_url')
        del bridge

        del test_config['main']['resources_api_version']
        bridge = EdgeDataBridge(test_config)
        self.assertEqual(type(bridge), EdgeDataBridge)
        with self.assertRaises(KeyError) as e:
            test_config['main']['resources_api_version']
        self.assertEqual(e.exception.message, 'resources_api_version')
        del bridge

        del test_config['main']['public_resources_api_server']
        bridge = EdgeDataBridge(test_config)
        self.assertEqual(type(bridge), EdgeDataBridge)
        with self.assertRaises(KeyError) as e:
            test_config['main']['public_resources_api_server']
        self.assertEqual(e.exception.message, 'public_resources_api_server')
        del bridge
        server = Server(test_config['main'].get('couch_url')
                        or 'http://127.0.0.1:5984')
        del server[test_config['main']['db_name']]

        test_config['main']['retrievers_params']['up_wait_sleep'] = 0
        with self.assertRaises(DataBridgeConfigError) as e:
            EdgeDataBridge(test_config)
        self.assertEqual(
            e.exception.message, 'Invalid \'up_wait_sleep\' in '
            '\'retrievers_params\'. Value must be grater than 30.')
    def test_init(self):
        bridge = EdgeDataBridge(self.config)
        self.assertIn('tenders_api_server', bridge.config['main'])
        self.assertIn('tenders_api_version', bridge.config['main'])
        self.assertIn('public_tenders_api_server', bridge.config['main'])
        self.assertIn('couch_url', bridge.config['main'])
        self.assertIn('public_db', bridge.config['main'])
        self.assertEqual(
            self.config['main']['couch_url'] + '/' +
            self.config['main']['public_db'], bridge.couch_url)

        test_config = {}

        # Create EdgeDataBridge object with wrong config variable structure
        test_config = {
            'mani': {
                'tenders_api_server':
                'https://lb.api-sandbox.openprocurement.org',
                'tenders_api_version': "0",
                'public_tenders_api_server':
                'https://lb.api-sandbox.openprocurement.org',
                'couch_url': 'http://localhost:5984',
                'public_db': 'public_db'
            },
            'version': 1
        }
        with self.assertRaises(DataBridgeConfigError):
            EdgeDataBridge(test_config)

        # Create EdgeDataBridge object without variable 'tenders_api_server' in config
        del test_config['mani']
        test_config['main'] = {}
        with self.assertRaises(DataBridgeConfigError):
            EdgeDataBridge(test_config)
        with self.assertRaises(KeyError):
            test_config['main']['tenders_api_server']

        # Create EdgeDataBridge object with empty tenders_api_server
        test_config['main']['tenders_api_server'] = ''
        with self.assertRaises(DataBridgeConfigError):
            EdgeDataBridge(test_config)

        # Create EdgeDataBridge object with wrong tenders_api_server
        test_config['main'][
            'tenders_api_server'] = 'https://lb.api-sandbox.openprocurement.or'
        with self.assertRaises(ConnectionError):
            EdgeDataBridge(test_config)

        test_config['main'][
            'tenders_api_server'] = 'https://lb.api-sandbox.openprocurement.org'

        # Create EdgeDataBridge object without 'couch_url'
        with self.assertRaises(DataBridgeConfigError):
            EdgeDataBridge(test_config)
        with self.assertRaises(KeyError):
            test_config['main']['couch_url']

        # Create EdgeDataBridge object with empty 'couch_url'
        test_config['main']['couch_url'] = ''
        with self.assertRaises(DataBridgeConfigError):
            EdgeDataBridge(test_config)

        # Create EdgeDataBridge object with wrong 'couch_url'
        test_config['main']['couch_url'] = 'http://localhost:598'
        with self.assertRaises(DataBridgeConfigError):
            EdgeDataBridge(test_config)

        test_config['main']['couch_url'] = 'http://localhost:5984'

        # Create EdgeDataBridge object without 'public_db'
        with self.assertRaises(DataBridgeConfigError):
            EdgeDataBridge(test_config)
        with self.assertRaises(KeyError):
            test_config['main']['public_db']

        # Create EdgeDataBridge object with empty 'public_db'
        test_config['main']['public_db'] = ''
        with self.assertRaises(DataBridgeConfigError):
            EdgeDataBridge(test_config)

        # Create EdgeDataBridge object with wrong 'public_db'
        test_config['main']['public_db'] = 'wrong_db'
        with self.assertRaises(DataBridgeConfigError):
            EdgeDataBridge(test_config)

        test_config['main']['public_db'] = 'public_db'
        test_config['main']['tenders_api_version'] = "0"
        test_config['main'][
            'public_tenders_api_server'] = 'https://lb.api-sandbox.openprocurement.org'

        # Create EdgeDataBridge object with deleting config variables step by step
        del test_config['main']['couch_url']
        bridge = EdgeDataBridge(test_config)
        self.assertEqual(type(bridge), EdgeDataBridge)
        with self.assertRaises(KeyError):
            test_config['main']['couch_url']
        del bridge

        del test_config['main']['tenders_api_version']
        bridge = EdgeDataBridge(test_config)
        self.assertEqual(type(bridge), EdgeDataBridge)
        with self.assertRaises(KeyError):
            test_config['main']['tenders_api_version']
        del bridge

        del test_config['main']['public_tenders_api_server']
        bridge = EdgeDataBridge(test_config)
        self.assertEqual(type(bridge), EdgeDataBridge)
        with self.assertRaises(KeyError):
            test_config['main']['public_tenders_api_server']
        del bridge

        del test_config['main']['public_db']
        with self.assertRaises(DataBridgeConfigError):
            EdgeDataBridge(test_config)
        with self.assertRaises(KeyError):
            test_config['main']['public_db']