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Python utils.wait_for_up函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Python中tests.integration.long.utils.wait_for_up函数的典型用法代码示例。如果您正苦于以下问题：Python wait_for_up函数的具体用法？Python wait_for_up怎么用？Python wait_for_up使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了wait_for_up函数的18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，您的评价将有助于我们的系统推荐出更棒的Python代码示例。

示例1: test_pool_with_host_down

    def test_pool_with_host_down(self):
        """
        Test to ensure that cluster.connect() doesn't return prior to pools being initialized.

        This test will figure out which host our pool logic will connect to first. It then shuts that server down.
        Previouly the cluster.connect() would return prior to the pools being initialized, and the first queries would
        return a no host exception

        @since 3.7.0
        @jira_ticket PYTHON-617
        @expected_result query should complete successfully

        @test_category connection
        """

        # find the first node, we will try create connections to, shut it down.
        cluster = Cluster(protocol_version=PROTOCOL_VERSION)
        cluster.connect()
        hosts = cluster.metadata.all_hosts()
        address = hosts[0].address
        node_to_stop = int(address.split('.')[-1:][0])
        try:
            force_stop(node_to_stop)
            wait_for_down(cluster, node_to_stop)
            # Attempt a query against that node. It should complete
            cluster2 = Cluster(protocol_version=PROTOCOL_VERSION)
            session2 = cluster2.connect()
            session2.execute("SELECT * FROM system.local")
            cluster2.shutdown()
        finally:
            start(node_to_stop)
            wait_for_up(cluster, node_to_stop)
            cluster.shutdown()
开发者ID:Richard-Mathie，项目名称:cassandra_benchmark，代码行数:33，代码来源:test_consistency.py


示例2: _test_downgrading_cl

    def _test_downgrading_cl(self, keyspace, rf, accepted):
        cluster = Cluster(
            load_balancing_policy=TokenAwarePolicy(RoundRobinPolicy()),
            default_retry_policy=DowngradingConsistencyRetryPolicy(),
            protocol_version=PROTOCOL_VERSION)
        session = cluster.connect()

        create_schema(session, keyspace, replication_factor=rf)
        self._insert(session, keyspace, 1)
        self._query(session, keyspace, 1)
        self.coordinator_stats.assert_query_count_equals(self, 1, 0)
        self.coordinator_stats.assert_query_count_equals(self, 2, 1)
        self.coordinator_stats.assert_query_count_equals(self, 3, 0)

        try:
            force_stop(2)
            wait_for_down(cluster, 2)

            self._assert_writes_succeed(session, keyspace, accepted)
            self._assert_reads_succeed(session, keyspace,
                                       accepted - set([ConsistencyLevel.ANY]))
            self._assert_writes_fail(session, keyspace,
                                     SINGLE_DC_CONSISTENCY_LEVELS - accepted)
            self._assert_reads_fail(session, keyspace,
                                    SINGLE_DC_CONSISTENCY_LEVELS - accepted)
        finally:
            start(2)
            wait_for_up(cluster, 2)
开发者ID:IChocolateKapa，项目名称:python-driver，代码行数:28，代码来源:test_consistency.py


示例3: _wait_for_nodes_up

 def _wait_for_nodes_up(self, nodes, cluster=None):
     log.debug('entered: _wait_for_nodes_up(nodes={ns}, '
               'cluster={cs})'.format(ns=nodes,
                                      cs=cluster))
     if not cluster:
         log.debug('connecting to cluster')
         self._connect_probe_cluster()
         cluster = self.probe_cluster
     for n in nodes:
         wait_for_up(cluster, n)
开发者ID:datastax，项目名称:python-driver，代码行数:10，代码来源:test_loadbalancingpolicies.py


示例4: test_pool_with_host_down

    def test_pool_with_host_down(self):
        """
        Test to ensure that cluster.connect() doesn't return prior to pools being initialized.

        This test will figure out which host our pool logic will connect to first. It then shuts that server down.
        Previously the cluster.connect() would return prior to the pools being initialized, and the first queries would
        return a no host exception

        @since 3.7.0
        @jira_ticket PYTHON-617
        @expected_result query should complete successfully

        @test_category connection
        """

        # find the first node, we will try create connections to, shut it down.

        # We will be shuting down a random house, so we need a complete contact list
        all_contact_points = ["127.0.0.1", "127.0.0.2", "127.0.0.3"]

        # Connect up and find out which host will bet queries routed to to first
        cluster = Cluster(protocol_version=PROTOCOL_VERSION)
        cluster.connect(wait_for_all_pools=True)
        hosts = cluster.metadata.all_hosts()
        address = hosts[0].address
        node_to_stop = int(address.split('.')[-1:][0])
        cluster.shutdown()

        # We now register a cluster that has it's Control Connection NOT on the node that we are shutting down.
        # We do this so we don't miss the event
        contact_point = '127.0.0.{0}'.format(self.get_node_not_x(node_to_stop))
        cluster = Cluster(contact_points=[contact_point], protocol_version=PROTOCOL_VERSION)
        cluster.connect(wait_for_all_pools=True)
        try:
            force_stop(node_to_stop)
            wait_for_down(cluster, node_to_stop)
            # Attempt a query against that node. It should complete
            cluster2 = Cluster(contact_points=all_contact_points, protocol_version=PROTOCOL_VERSION)
            session2 = cluster2.connect()
            session2.execute("SELECT * FROM system.local")
        finally:
            cluster2.shutdown()
            start(node_to_stop)
            wait_for_up(cluster, node_to_stop)
            cluster.shutdown()
开发者ID:coldeasy，项目名称:python-driver，代码行数:45，代码来源:test_consistency.py


示例5: token_aware

    def token_aware(self, keyspace, use_prepared=False):
        use_singledc()
        cluster = Cluster(
            load_balancing_policy=TokenAwarePolicy(RoundRobinPolicy()))
        session = cluster.connect()
        wait_for_up(cluster, 1, wait=False)
        wait_for_up(cluster, 2, wait=False)
        wait_for_up(cluster, 3)

        create_schema(session, keyspace, replication_factor=1)
        self._insert(session, keyspace)
        self._query(session, keyspace, use_prepared=use_prepared)

        self.coordinator_stats.assert_query_count_equals(self, 1, 0)
        self.coordinator_stats.assert_query_count_equals(self, 2, 12)
        self.coordinator_stats.assert_query_count_equals(self, 3, 0)

        self.coordinator_stats.reset_counts()
        self._query(session, keyspace, use_prepared=use_prepared)

        self.coordinator_stats.assert_query_count_equals(self, 1, 0)
        self.coordinator_stats.assert_query_count_equals(self, 2, 12)
        self.coordinator_stats.assert_query_count_equals(self, 3, 0)

        self.coordinator_stats.reset_counts()
        force_stop(2)
        wait_for_down(cluster, 2, wait=True)

        try:
            self._query(session, keyspace, use_prepared=use_prepared)
            self.fail()
        except Unavailable as e:
            self.assertEqual(e.consistency, 1)
            self.assertEqual(e.required_replicas, 1)
            self.assertEqual(e.alive_replicas, 0)

        self.coordinator_stats.reset_counts()
        start(2)
        wait_for_up(cluster, 2, wait=True)

        self._query(session, keyspace, use_prepared=use_prepared)

        self.coordinator_stats.assert_query_count_equals(self, 1, 0)
        self.coordinator_stats.assert_query_count_equals(self, 2, 12)
        self.coordinator_stats.assert_query_count_equals(self, 3, 0)

        self.coordinator_stats.reset_counts()
        decommission(2)
        wait_for_down(cluster, 2, wait=True)

        self._query(session, keyspace, use_prepared=use_prepared)

        self.coordinator_stats.assert_query_count_equals(self, 1, 6)
        self.coordinator_stats.assert_query_count_equals(self, 2, 0)
        self.coordinator_stats.assert_query_count_equals(self, 3, 6)
开发者ID:JeremyOT，项目名称:python-driver，代码行数:55，代码来源:test_loadbalancingpolicies.py


示例6: test_rfthree_tokenaware_none_down

    def test_rfthree_tokenaware_none_down(self):
        keyspace = 'test_rfthree_tokenaware_none_down'
        cluster = Cluster(
            load_balancing_policy=TokenAwarePolicy(RoundRobinPolicy()))
        session = cluster.connect()
        wait_for_up(cluster, 1, wait=False)
        wait_for_up(cluster, 2)

        create_schema(session, keyspace, replication_factor=3)
        self._insert(session, keyspace, count=1)
        self._query(session, keyspace, count=1)
        self.coordinator_stats.assert_query_count_equals(self, 1, 0)
        self.coordinator_stats.assert_query_count_equals(self, 2, 1)
        self.coordinator_stats.assert_query_count_equals(self, 3, 0)

        self.coordinator_stats.reset_counts()

        self._assert_writes_succeed(session, keyspace, SINGLE_DC_CONSISTENCY_LEVELS)
        self._assert_reads_succeed(session, keyspace,
                SINGLE_DC_CONSISTENCY_LEVELS - set([ConsistencyLevel.ANY]),
                expected_reader=2)
开发者ID:JeremyOT，项目名称:python-driver，代码行数:21，代码来源:test_consistency.py


示例7: test_dc_aware_roundrobin_two_dcs_2

    def test_dc_aware_roundrobin_two_dcs_2(self):
        use_multidc([3, 2])
        keyspace = 'test_dc_aware_roundrobin_two_dcs_2'
        cluster = Cluster(
            load_balancing_policy=DCAwareRoundRobinPolicy('dc2'))
        session = cluster.connect()
        wait_for_up(cluster, 1, wait=False)
        wait_for_up(cluster, 2, wait=False)
        wait_for_up(cluster, 3, wait=False)
        wait_for_up(cluster, 4, wait=False)
        wait_for_up(cluster, 5)

        create_schema(session, keyspace, replication_strategy=[2, 2])
        self._insert(session, keyspace)
        self._query(session, keyspace)

        self.coordinator_stats.assert_query_count_equals(self, 1, 0)
        self.coordinator_stats.assert_query_count_equals(self, 2, 0)
        self.coordinator_stats.assert_query_count_equals(self, 3, 0)
        self.coordinator_stats.assert_query_count_equals(self, 4, 6)
        self.coordinator_stats.assert_query_count_equals(self, 5, 6)
开发者ID:Double-O-ren，项目名称:python-driver，代码行数:21，代码来源:test_loadbalancingpolicies.py


示例8: test_white_list

    def test_white_list(self):
        use_singledc()
        keyspace = 'test_white_list'

        cluster = Cluster(('127.0.0.2',),
            load_balancing_policy=WhiteListRoundRobinPolicy((IP_FORMAT % 2,)),
            protocol_version=PROTOCOL_VERSION)
        session = cluster.connect()
        wait_for_up(cluster, 1, wait=False)
        wait_for_up(cluster, 2, wait=False)
        wait_for_up(cluster, 3)

        create_schema(session, keyspace)
        self._insert(session, keyspace)
        self._query(session, keyspace)

        self.coordinator_stats.assert_query_count_equals(self, 1, 0)
        self.coordinator_stats.assert_query_count_equals(self, 2, 12)
        self.coordinator_stats.assert_query_count_equals(self, 3, 0)

        # white list policy should not allow reconnecting to ignored hosts
        force_stop(3)
        wait_for_down(cluster, 3)
        self.assertFalse(cluster.metadata._hosts[IP_FORMAT % 3].is_currently_reconnecting())

        self.coordinator_stats.reset_counts()
        force_stop(2)
        time.sleep(10)

        try:
            self._query(session, keyspace)
            self.fail()
        except NoHostAvailable:
            pass
开发者ID:awlange，项目名称:python-driver，代码行数:34，代码来源:test_loadbalancingpolicies.py


示例9: test_token_aware_with_rf_2

    def test_token_aware_with_rf_2(self, use_prepared=False):
        use_singledc()
        keyspace = 'test_token_aware_with_rf_2'
        cluster = Cluster(
            load_balancing_policy=TokenAwarePolicy(RoundRobinPolicy()))
        session = cluster.connect()
        wait_for_up(cluster, 1, wait=False)
        wait_for_up(cluster, 2, wait=False)
        wait_for_up(cluster, 3)

        create_schema(session, keyspace, replication_factor=2)
        self._insert(session, keyspace)
        self._query(session, keyspace)

        self.coordinator_stats.assert_query_count_equals(self, 1, 0)
        self.coordinator_stats.assert_query_count_equals(self, 2, 12)
        self.coordinator_stats.assert_query_count_equals(self, 3, 0)

        self.coordinator_stats.reset_counts()
        stop(2)
        wait_for_down(cluster, 2, wait=True)

        self._query(session, keyspace)

        self.coordinator_stats.assert_query_count_equals(self, 1, 0)
        self.coordinator_stats.assert_query_count_equals(self, 2, 0)
        self.coordinator_stats.assert_query_count_equals(self, 3, 12)
开发者ID:Double-O-ren，项目名称:python-driver，代码行数:27，代码来源:test_loadbalancingpolicies.py


示例10: rfthree_downgradingcl

    def rfthree_downgradingcl(self, cluster, keyspace, roundrobin):
        session = cluster.connect(wait_for_all_pools=True)

        create_schema(cluster, session, keyspace, replication_factor=2)
        self._insert(session, keyspace, count=12)
        self._query(session, keyspace, count=12)

        if roundrobin:
            self.coordinator_stats.assert_query_count_equals(self, 1, 4)
            self.coordinator_stats.assert_query_count_equals(self, 2, 4)
            self.coordinator_stats.assert_query_count_equals(self, 3, 4)
        else:
            self.coordinator_stats.assert_query_count_equals(self, 1, 0)
            self.coordinator_stats.assert_query_count_equals(self, 2, 12)
            self.coordinator_stats.assert_query_count_equals(self, 3, 0)

        try:
            self.coordinator_stats.reset_counts()
            force_stop(2)
            wait_for_down(cluster, 2)

            self._assert_writes_succeed(session, keyspace, SINGLE_DC_CONSISTENCY_LEVELS)

            # Test reads that expected to complete successfully
            for cl in SINGLE_DC_CONSISTENCY_LEVELS - set([ConsistencyLevel.ANY]):
                self.coordinator_stats.reset_counts()
                self._query(session, keyspace, 12, consistency_level=cl)
                if roundrobin:
                    self.coordinator_stats.assert_query_count_equals(self, 1, 6)
                    self.coordinator_stats.assert_query_count_equals(self, 2, 0)
                    self.coordinator_stats.assert_query_count_equals(self, 3, 6)
                else:
                    self.coordinator_stats.assert_query_count_equals(self, 1, 0)
                    self.coordinator_stats.assert_query_count_equals(self, 2, 0)
                    self.coordinator_stats.assert_query_count_equals(self, 3, 12)
        finally:
            start(2)
            wait_for_up(cluster, 2)

        session.cluster.shutdown()
开发者ID:coldeasy，项目名称:python-driver，代码行数:40，代码来源:test_consistency.py


示例11: test_white_list

    def test_white_list(self):
        use_singledc()
        keyspace = 'test_white_list'

        cluster = Cluster(('127.0.0.2',),
            load_balancing_policy=WhiteListRoundRobinPolicy((IP_FORMAT % 2,)))
        session = cluster.connect()
        wait_for_up(cluster, 1, wait=False)
        wait_for_up(cluster, 2, wait=False)
        wait_for_up(cluster, 3)

        create_schema(session, keyspace)
        self._insert(session, keyspace)
        self._query(session, keyspace)

        self.coordinator_stats.assert_query_count_equals(self, 1, 0)
        self.coordinator_stats.assert_query_count_equals(self, 2, 12)
        self.coordinator_stats.assert_query_count_equals(self, 3, 0)

        self.coordinator_stats.reset_counts()
        decommission(2)
        wait_for_down(cluster, 2, wait=True)

        try:
            self._query(session, keyspace)
            self.fail()
        except NoHostAvailable:
            pass
开发者ID:Double-O-ren，项目名称:python-driver，代码行数:28，代码来源:test_loadbalancingpolicies.py


示例12: test_token_aware_composite_key

    def test_token_aware_composite_key(self):
        use_singledc()
        keyspace = 'test_token_aware_composite_key'
        table = 'composite'
        cluster = Cluster(
            load_balancing_policy=TokenAwarePolicy(RoundRobinPolicy()))
        session = cluster.connect()
        wait_for_up(cluster, 1, wait=False)
        wait_for_up(cluster, 2, wait=False)
        wait_for_up(cluster, 3)

        create_schema(session, keyspace, replication_factor=2)
        session.execute('CREATE TABLE %s ('
                        'k1 int, '
                        'k2 int, '
                        'i int, '
                        'PRIMARY KEY ((k1, k2)))' % table)

        prepared = session.prepare('INSERT INTO %s '
                                   '(k1, k2, i) '
                                   'VALUES '
                                   '(?, ?, ?)' % table)
        session.execute(prepared.bind((1, 2, 3)))

        results = session.execute('SELECT * FROM %s WHERE k1 = 1 AND k2 = 2' % table)
        self.assertTrue(len(results) == 1)
        self.assertTrue(results[0].i)
开发者ID:Double-O-ren，项目名称:python-driver，代码行数:27，代码来源:test_loadbalancingpolicies.py


示例13: _test_tokenaware_one_node_down

    def _test_tokenaware_one_node_down(self, keyspace, rf, accepted):
        cluster = Cluster(
            load_balancing_policy=TokenAwarePolicy(RoundRobinPolicy()))
        session = cluster.connect()
        wait_for_up(cluster, 1, wait=False)
        wait_for_up(cluster, 2)

        create_schema(session, keyspace, replication_factor=rf)
        self._insert(session, keyspace, count=1)
        self._query(session, keyspace, count=1)
        self.coordinator_stats.assert_query_count_equals(self, 1, 0)
        self.coordinator_stats.assert_query_count_equals(self, 2, 1)
        self.coordinator_stats.assert_query_count_equals(self, 3, 0)

        try:
            force_stop(2)
            wait_for_down(cluster, 2)

            self._assert_writes_succeed(session, keyspace, accepted)
            self._assert_reads_succeed(session, keyspace,
                    accepted - set([ConsistencyLevel.ANY]))
            self._assert_writes_fail(session, keyspace,
                    SINGLE_DC_CONSISTENCY_LEVELS - accepted)
            self._assert_reads_fail(session, keyspace,
                    SINGLE_DC_CONSISTENCY_LEVELS - accepted)
        finally:
            start(2)
            wait_for_up(cluster, 2)
开发者ID:JeremyOT，项目名称:python-driver，代码行数:28，代码来源:test_consistency.py


示例14: test_dc_aware_roundrobin_two_dcs

    def test_dc_aware_roundrobin_two_dcs(self):
        clear_and_use_multidc([3, 2])
        keyspace = 'test_dc_aware_roundrobin_two_dcs'
        cluster = Cluster(
            load_balancing_policy=DCAwareRoundRobinPolicy('dc1'),
            protocol_version=PROTOCOL_VERSION)
        session = cluster.connect()
        wait_for_up(cluster, 1, wait=False)
        wait_for_up(cluster, 2, wait=False)
        wait_for_up(cluster, 3, wait=False)
        wait_for_up(cluster, 4, wait=False)
        wait_for_up(cluster, 5)

        create_schema(session, keyspace, replication_strategy=[2, 2])
        self._insert(session, keyspace)
        self._query(session, keyspace)

        self.coordinator_stats.assert_query_count_equals(self, 1, 4)
        self.coordinator_stats.assert_query_count_equals(self, 2, 4)
        self.coordinator_stats.assert_query_count_equals(self, 3, 4)
        self.coordinator_stats.assert_query_count_equals(self, 4, 0)
        self.coordinator_stats.assert_query_count_equals(self, 5, 0)
开发者ID:EnigmaCurry，项目名称:python-driver，代码行数:22，代码来源:test_loadbalancingpolicies.py


示例15: test_roundrobin_two_dcs_2

    def test_roundrobin_two_dcs_2(self):
        use_multidc([2, 2])
        keyspace = 'test_roundrobin_two_dcs_2'
        cluster = Cluster(
            load_balancing_policy=RoundRobinPolicy(),
            protocol_version=PROTOCOL_VERSION)
        session = cluster.connect()
        wait_for_up(cluster, 1, wait=False)
        wait_for_up(cluster, 2, wait=False)
        wait_for_up(cluster, 3, wait=False)
        wait_for_up(cluster, 4)

        create_schema(cluster, session, keyspace, replication_strategy=[2, 2])
        self._insert(session, keyspace)
        self._query(session, keyspace)

        self.coordinator_stats.assert_query_count_equals(self, 1, 3)
        self.coordinator_stats.assert_query_count_equals(self, 2, 3)
        self.coordinator_stats.assert_query_count_equals(self, 3, 3)
        self.coordinator_stats.assert_query_count_equals(self, 4, 3)

        force_stop(1)
        bootstrap(5, 'dc1')

        # reset control connection
        self._insert(session, keyspace, count=1000)

        wait_for_up(cluster, 5)

        self.coordinator_stats.reset_counts()
        self._query(session, keyspace)

        self.coordinator_stats.assert_query_count_equals(self, 1, 0)
        self.coordinator_stats.assert_query_count_equals(self, 2, 3)
        self.coordinator_stats.assert_query_count_equals(self, 3, 3)
        self.coordinator_stats.assert_query_count_equals(self, 4, 3)
        self.coordinator_stats.assert_query_count_equals(self, 5, 3)

        cluster.shutdown()
开发者ID:vietlq，项目名称:python-driver，代码行数:39，代码来源:test_loadbalancingpolicies.py


示例16: test_roundrobin

    def test_roundrobin(self):
        use_singledc()
        keyspace = 'test_roundrobin'
        cluster = Cluster(
            load_balancing_policy=RoundRobinPolicy(),
            protocol_version=PROTOCOL_VERSION)
        session = cluster.connect()
        wait_for_up(cluster, 1, wait=False)
        wait_for_up(cluster, 2, wait=False)
        wait_for_up(cluster, 3)

        create_schema(cluster, session, keyspace, replication_factor=3)
        self._insert(session, keyspace)
        self._query(session, keyspace)

        self.coordinator_stats.assert_query_count_equals(self, 1, 4)
        self.coordinator_stats.assert_query_count_equals(self, 2, 4)
        self.coordinator_stats.assert_query_count_equals(self, 3, 4)

        force_stop(3)
        wait_for_down(cluster, 3)

        self.coordinator_stats.reset_counts()
        self._query(session, keyspace)

        self.coordinator_stats.assert_query_count_equals(self, 1, 6)
        self.coordinator_stats.assert_query_count_equals(self, 2, 6)
        self.coordinator_stats.assert_query_count_equals(self, 3, 0)

        decommission(1)
        start(3)
        wait_for_down(cluster, 1)
        wait_for_up(cluster, 3)

        self.coordinator_stats.reset_counts()
        self._query(session, keyspace)

        self.coordinator_stats.assert_query_count_equals(self, 1, 0)
        self.coordinator_stats.assert_query_count_equals(self, 2, 6)
        self.coordinator_stats.assert_query_count_equals(self, 3, 6)
开发者ID:vietlq，项目名称:python-driver，代码行数:40，代码来源:test_loadbalancingpolicies.py


示例17: _wait_for_nodes_up

 def _wait_for_nodes_up(self, nodes, cluster=None):
     if not cluster:
         self._connect_probe_cluster()
         cluster = self.probe_cluster
     for n in nodes:
         wait_for_up(cluster, n)
开发者ID:BenBrostoff，项目名称:python-driver，代码行数:6，代码来源:test_loadbalancingpolicies.py


示例18: test_dc_aware_roundrobin_one_remote_host

    def test_dc_aware_roundrobin_one_remote_host(self):
        use_multidc([2, 2])
        keyspace = 'test_dc_aware_roundrobin_one_remote_host'
        cluster = Cluster(
            load_balancing_policy=DCAwareRoundRobinPolicy('dc2', used_hosts_per_remote_dc=1))
        session = cluster.connect()
        wait_for_up(cluster, 1, wait=False)
        wait_for_up(cluster, 2, wait=False)
        wait_for_up(cluster, 3, wait=False)
        wait_for_up(cluster, 4)

        create_schema(session, keyspace, replication_strategy=[2, 2])
        self._insert(session, keyspace)
        self._query(session, keyspace)

        self.coordinator_stats.assert_query_count_equals(self, 1, 0)
        self.coordinator_stats.assert_query_count_equals(self, 2, 0)
        self.coordinator_stats.assert_query_count_equals(self, 3, 6)
        self.coordinator_stats.assert_query_count_equals(self, 4, 6)

        self.coordinator_stats.reset_counts()
        bootstrap(5, 'dc1')
        wait_for_up(cluster, 5)

        self._query(session, keyspace)

        self.coordinator_stats.assert_query_count_equals(self, 1, 0)
        self.coordinator_stats.assert_query_count_equals(self, 2, 0)
        self.coordinator_stats.assert_query_count_equals(self, 3, 6)
        self.coordinator_stats.assert_query_count_equals(self, 4, 6)
        self.coordinator_stats.assert_query_count_equals(self, 5, 0)

        self.coordinator_stats.reset_counts()
        decommission(3)
        decommission(4)
        wait_for_down(cluster, 3, wait=True)
        wait_for_down(cluster, 4, wait=True)

        self._query(session, keyspace)

        self.coordinator_stats.assert_query_count_equals(self, 3, 0)
        self.coordinator_stats.assert_query_count_equals(self, 4, 0)
        responses = set()
        for node in [1, 2, 5]:
            responses.add(self.coordinator_stats.get_query_count(node))
        self.assertEqual(set([0, 0, 12]), responses)

        self.coordinator_stats.reset_counts()
        decommission(5)
        wait_for_down(cluster, 5, wait=True)

        self._query(session, keyspace)

        self.coordinator_stats.assert_query_count_equals(self, 3, 0)
        self.coordinator_stats.assert_query_count_equals(self, 4, 0)
        self.coordinator_stats.assert_query_count_equals(self, 5, 0)
        responses = set()
        for node in [1, 2]:
            responses.add(self.coordinator_stats.get_query_count(node))
        self.assertEqual(set([0, 12]), responses)

        self.coordinator_stats.reset_counts()
        decommission(1)
        wait_for_down(cluster, 1, wait=True)

        self._query(session, keyspace)

        self.coordinator_stats.assert_query_count_equals(self, 1, 0)
        self.coordinator_stats.assert_query_count_equals(self, 2, 12)
        self.coordinator_stats.assert_query_count_equals(self, 3, 0)
        self.coordinator_stats.assert_query_count_equals(self, 4, 0)
        self.coordinator_stats.assert_query_count_equals(self, 5, 0)

        self.coordinator_stats.reset_counts()
        force_stop(2)

        try:
            self._query(session, keyspace)
            self.fail()
        except NoHostAvailable:
            pass
开发者ID:Double-O-ren，项目名称:python-driver，代码行数:81，代码来源:test_loadbalancingpolicies.py



注：本文中的tests.integration.long.utils.wait_for_up函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，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。

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