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Python ControlConnection._handle_status_change方法代码示例

本文整理汇总了Python中cassandra.cluster.ControlConnection._handle_status_change方法的典型用法代码示例。如果您正苦于以下问题:Python ControlConnection._handle_status_change方法的具体用法?Python ControlConnection._handle_status_change怎么用?Python ControlConnection._handle_status_change使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在cassandra.cluster.ControlConnection的用法示例。


在下文中一共展示了ControlConnection._handle_status_change方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: test_refresh_disabled

# 需要导入模块: from cassandra.cluster import ControlConnection [as 别名]
# 或者: from cassandra.cluster.ControlConnection import _handle_status_change [as 别名]
    def test_refresh_disabled(self):
        cluster = MockCluster()

        schema_event = {"change_type": "CREATED", "keyspace": "ks1", "table": "table1"}

        status_event = {"change_type": "UP", "address": ("1.2.3.4", 9000)}

        topo_event = {"change_type": "MOVED_NODE", "address": ("1.2.3.4", 9000)}

        cc_no_schema_refresh = ControlConnection(cluster, 1, -1, 0)
        cluster.scheduler.reset_mock()

        # no call on schema refresh
        cc_no_schema_refresh._handle_schema_change(schema_event)
        self.assertFalse(cluster.scheduler.schedule.called)
        self.assertFalse(cluster.scheduler.schedule_unique.called)

        # topo and status changes as normal
        cc_no_schema_refresh._handle_status_change(status_event)
        cc_no_schema_refresh._handle_topology_change(topo_event)
        cluster.scheduler.schedule_unique.assert_has_calls(
            [
                call(ANY, cc_no_schema_refresh.refresh_node_list_and_token_map),
                call(ANY, cc_no_schema_refresh.refresh_node_list_and_token_map),
            ]
        )

        cc_no_topo_refresh = ControlConnection(cluster, 1, 0, -1)
        cluster.scheduler.reset_mock()

        # no call on topo refresh
        cc_no_topo_refresh._handle_topology_change(topo_event)
        self.assertFalse(cluster.scheduler.schedule.called)
        self.assertFalse(cluster.scheduler.schedule_unique.called)

        # schema and status change refresh as normal
        cc_no_topo_refresh._handle_status_change(status_event)
        cc_no_topo_refresh._handle_schema_change(schema_event)
        cluster.scheduler.schedule_unique.assert_has_calls(
            [
                call(ANY, cc_no_topo_refresh.refresh_node_list_and_token_map),
                call(
                    0.0,
                    cc_no_topo_refresh.refresh_schema,
                    schema_event["keyspace"],
                    schema_event["table"],
                    None,
                    None,
                    None,
                ),
            ]
        )
开发者ID:rainslytherin,项目名称:python-driver,代码行数:54,代码来源:test_control_connection.py

示例2: test_refresh_disabled

# 需要导入模块: from cassandra.cluster import ControlConnection [as 别名]
# 或者: from cassandra.cluster.ControlConnection import _handle_status_change [as 别名]
    def test_refresh_disabled(self):
        cluster = MockCluster()

        schema_event = {
            'target_type': SchemaTargetType.TABLE,
            'change_type': SchemaChangeType.CREATED,
            'keyspace': 'ks1',
            'table': 'table1'
        }

        status_event = {
            'change_type': 'UP',
            'address': ('1.2.3.4', 9000)
        }

        topo_event = {
            'change_type': 'MOVED_NODE',
            'address': ('1.2.3.4', 9000)
        }

        cc_no_schema_refresh = ControlConnection(cluster, 1, -1, 0, 0)
        cluster.scheduler.reset_mock()

        # no call on schema refresh
        cc_no_schema_refresh._handle_schema_change(schema_event)
        self.assertFalse(cluster.scheduler.schedule.called)
        self.assertFalse(cluster.scheduler.schedule_unique.called)

        # topo and status changes as normal
        cc_no_schema_refresh._handle_status_change(status_event)
        cc_no_schema_refresh._handle_topology_change(topo_event)
        cluster.scheduler.schedule_unique.assert_has_calls([call(ANY, cc_no_schema_refresh.refresh_node_list_and_token_map),
                                                            call(ANY, cc_no_schema_refresh._refresh_nodes_if_not_up, '1.2.3.4')])

        cc_no_topo_refresh = ControlConnection(cluster, 1, 0, -1, 0)
        cluster.scheduler.reset_mock()

        # no call on topo refresh
        cc_no_topo_refresh._handle_topology_change(topo_event)
        self.assertFalse(cluster.scheduler.schedule.called)
        self.assertFalse(cluster.scheduler.schedule_unique.called)

        # schema and status change refresh as normal
        cc_no_topo_refresh._handle_status_change(status_event)
        cc_no_topo_refresh._handle_schema_change(schema_event)
        cluster.scheduler.schedule_unique.assert_has_calls([call(ANY, cc_no_topo_refresh.refresh_node_list_and_token_map),
                                                            call(0.0, cc_no_topo_refresh.refresh_schema,
                                                                 **schema_event)])
开发者ID:joaquincasares,项目名称:python-driver,代码行数:50,代码来源:test_control_connection.py

示例3: ControlConnectionTest

# 需要导入模块: from cassandra.cluster import ControlConnection [as 别名]
# 或者: from cassandra.cluster.ControlConnection import _handle_status_change [as 别名]

#.........这里部分代码省略.........
        def bad_wait_for_responses(*args, **kwargs):
            self.assertEqual(kwargs['timeout'], self.control_connection._timeout)
            raise OperationTimedOut()

        self.connection.wait_for_responses = bad_wait_for_responses
        self.control_connection.refresh_node_list_and_token_map()
        self.cluster.executor.submit.assert_called_with(self.control_connection._reconnect)

    def test_refresh_schema_timeout(self):

        def bad_wait_for_responses(*args, **kwargs):
            self.assertEqual(kwargs['timeout'], self.control_connection._timeout)
            raise OperationTimedOut()

        self.connection.wait_for_responses = bad_wait_for_responses
        self.control_connection.refresh_schema()
        self.cluster.executor.submit.assert_called_with(self.control_connection._reconnect)

    def test_handle_topology_change(self):
        event = {
            'change_type': 'NEW_NODE',
            'address': ('1.2.3.4', 9000)
        }
        self.control_connection._handle_topology_change(event)
        self.cluster.scheduler.schedule.assert_called_with(ANY, self.control_connection.refresh_node_list_and_token_map)

        event = {
            'change_type': 'REMOVED_NODE',
            'address': ('1.2.3.4', 9000)
        }
        self.control_connection._handle_topology_change(event)
        self.cluster.scheduler.schedule.assert_called_with(ANY, self.cluster.remove_host, None)

        event = {
            'change_type': 'MOVED_NODE',
            'address': ('1.2.3.4', 9000)
        }
        self.control_connection._handle_topology_change(event)
        self.cluster.scheduler.schedule.assert_called_with(ANY, self.control_connection.refresh_node_list_and_token_map)

    def test_handle_status_change(self):
        event = {
            'change_type': 'UP',
            'address': ('1.2.3.4', 9000)
        }
        self.control_connection._handle_status_change(event)
        self.cluster.scheduler.schedule.assert_called_with(ANY, self.control_connection.refresh_node_list_and_token_map)

        # do the same with a known Host
        event = {
            'change_type': 'UP',
            'address': ('192.168.1.0', 9000)
        }
        self.control_connection._handle_status_change(event)
        host = self.cluster.metadata.hosts['192.168.1.0']
        self.cluster.scheduler.schedule.assert_called_with(ANY, self.cluster.on_up, host)

        self.cluster.scheduler.schedule.reset_mock()
        event = {
            'change_type': 'DOWN',
            'address': ('1.2.3.4', 9000)
        }
        self.control_connection._handle_status_change(event)
        self.assertFalse(self.cluster.scheduler.schedule.called)

        # do the same with a known Host
        event = {
            'change_type': 'DOWN',
            'address': ('192.168.1.0', 9000)
        }
        self.control_connection._handle_status_change(event)
        host = self.cluster.metadata.hosts['192.168.1.0']
        self.assertIs(host, self.cluster.down_host)

    def test_handle_schema_change(self):

        for change_type in ('CREATED', 'DROPPED'):
            event = {
                'change_type': change_type,
                'keyspace': 'ks1',
                'table': 'table1'
            }
            self.control_connection._handle_schema_change(event)
            self.cluster.executor.submit.assert_called_with(self.control_connection.refresh_schema, 'ks1')

            event['table'] = None
            self.control_connection._handle_schema_change(event)
            self.cluster.executor.submit.assert_called_with(self.control_connection.refresh_schema, None)

        event = {
            'change_type': 'UPDATED',
            'keyspace': 'ks1',
            'table': 'table1'
        }
        self.control_connection._handle_schema_change(event)
        self.cluster.executor.submit.assert_called_with(self.control_connection.refresh_schema, 'ks1', 'table1')

        event['table'] = None
        self.control_connection._handle_schema_change(event)
        self.cluster.executor.submit.assert_called_with(self.control_connection.refresh_schema, 'ks1', None)
开发者ID:loadavg-io,项目名称:python-driver,代码行数:104,代码来源:test_control_connection.py

示例4: ControlConnectionTest

# 需要导入模块: from cassandra.cluster import ControlConnection [as 别名]
# 或者: from cassandra.cluster.ControlConnection import _handle_status_change [as 别名]

#.........这里部分代码省略.........
            self.time.sleep(kwargs['timeout'])
            raise OperationTimedOut()

        self.connection.wait_for_responses = Mock(side_effect=bad_wait_for_responses)
        self.control_connection.refresh_schema()
        self.assertEqual(self.connection.wait_for_responses.call_count, self.cluster.max_schema_agreement_wait / self.control_connection._timeout)
        self.assertEqual(self.connection.wait_for_responses.call_args[1]['timeout'], self.control_connection._timeout)

    def test_handle_topology_change(self):
        event = {
            'change_type': 'NEW_NODE',
            'address': ('1.2.3.4', 9000)
        }
        self.cluster.scheduler.reset_mock()
        self.control_connection._handle_topology_change(event)
        self.cluster.scheduler.schedule_unique.assert_called_once_with(ANY, self.control_connection._refresh_nodes_if_not_up, '1.2.3.4')

        event = {
            'change_type': 'REMOVED_NODE',
            'address': ('1.2.3.4', 9000)
        }
        self.cluster.scheduler.reset_mock()
        self.control_connection._handle_topology_change(event)
        self.cluster.scheduler.schedule_unique.assert_called_once_with(ANY, self.cluster.remove_host, None)

        event = {
            'change_type': 'MOVED_NODE',
            'address': ('1.2.3.4', 9000)
        }
        self.cluster.scheduler.reset_mock()
        self.control_connection._handle_topology_change(event)
        self.cluster.scheduler.schedule_unique.assert_called_once_with(ANY, self.control_connection._refresh_nodes_if_not_up, '1.2.3.4')

    def test_handle_status_change(self):
        event = {
            'change_type': 'UP',
            'address': ('1.2.3.4', 9000)
        }
        self.cluster.scheduler.reset_mock()
        self.control_connection._handle_status_change(event)
        self.cluster.scheduler.schedule_unique.assert_called_once_with(ANY, self.control_connection.refresh_node_list_and_token_map)

        # do the same with a known Host
        event = {
            'change_type': 'UP',
            'address': ('192.168.1.0', 9000)
        }
        self.cluster.scheduler.reset_mock()
        self.control_connection._handle_status_change(event)
        host = self.cluster.metadata.hosts['192.168.1.0']
        self.cluster.scheduler.schedule_unique.assert_called_once_with(ANY, self.cluster.on_up, host)

        self.cluster.scheduler.schedule.reset_mock()
        event = {
            'change_type': 'DOWN',
            'address': ('1.2.3.4', 9000)
        }
        self.control_connection._handle_status_change(event)
        self.assertFalse(self.cluster.scheduler.schedule.called)

        # do the same with a known Host
        event = {
            'change_type': 'DOWN',
            'address': ('192.168.1.0', 9000)
        }
        self.control_connection._handle_status_change(event)
开发者ID:joaquincasares,项目名称:python-driver,代码行数:70,代码来源:test_control_connection.py


注:本文中的cassandra.cluster.ControlConnection._handle_status_change方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。