def test_token_aware_with_shuffle_rf2(self):
        """
        Test to validate the hosts are shuffled when the `shuffle_replicas` is truthy
        @since 3.8
        @jira_ticket PYTHON-676
        @expected_result the request are spread across the replicas,
        when one of them is down, the requests target the available one

        @test_category policy
        """
        keyspace = 'test_token_aware_with_rf_2'
        cluster, session = self._set_up_shuffle_test(keyspace,
                                                     replication_factor=2)

        self._check_query_order_changes(session=session, keyspace=keyspace)

        #check TokenAwarePolicy still return the remaining replicas when one goes down
        self.coordinator_stats.reset_counts()
        stop(2)
        self._wait_for_nodes_down([2], cluster)

        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)

        cluster.shutdown()
    def test_token_aware_with_rf_2(self, use_prepared=False):
        use_singledc()
        keyspace = 'test_token_aware_with_rf_2'
        cluster, session = self._cluster_session_with_lbp(TokenAwarePolicy(RoundRobinPolicy()))
        self._wait_for_nodes_up(range(1, 4), cluster)

        create_schema(cluster, 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)
        self._wait_for_nodes_down([2],cluster)

        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)

        cluster.shutdown()
    def test_token_aware_with_rf_2(self, use_prepared=False):
        use_singledc()
        keyspace = 'test_token_aware_with_rf_2'
        cluster, session = self._cluster_session_with_lbp(
            TokenAwarePolicy(RoundRobinPolicy()))
        self._wait_for_nodes_up(range(1, 4), cluster)

        create_schema(cluster, 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)
        self._wait_for_nodes_down([2], cluster)

        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)

        cluster.shutdown()
    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()),
                          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, 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)

        cluster.shutdown()
    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)
    def test_token_aware_with_shuffle_rf2(self):
        """
        Test to validate the hosts are shuffled when the `shuffle_replicas` is truthy
        @since 3.8
        @jira_ticket PYTHON-676
        @expected_result the request are spread across the replicas,
        when one of them is down, the requests target the available one

        @test_category policy
        """
        keyspace = 'test_token_aware_with_rf_2'
        cluster, session = self._set_up_shuffle_test(keyspace, replication_factor=2)

        self._check_query_order_changes(session=session, keyspace=keyspace)

        #check TokenAwarePolicy still return the remaining replicas when one goes down
        self.coordinator_stats.reset_counts()
        stop(2)
        self._wait_for_nodes_down([2], cluster)

        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)

        cluster.shutdown()
    def token_aware(self, keyspace, use_prepared=False):
        use_singledc()
        cluster, session = self._cluster_session_with_lbp(
            TokenAwarePolicy(RoundRobinPolicy()))
        self._wait_for_nodes_up(range(1, 4), cluster)

        create_schema(cluster, 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)
        self._wait_for_nodes_down([2], cluster)

        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)
        self._wait_for_nodes_up([2], cluster)

        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()
        stop(2)
        self._wait_for_nodes_down([2], cluster)

        try:
            self._query(session, keyspace, use_prepared=use_prepared)
            self.fail()
        except Unavailable:
            pass

        self.coordinator_stats.reset_counts()
        start(2)
        self._wait_for_nodes_up([2], cluster)
        decommission(2)
        self._wait_for_nodes_down([2], cluster)

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

        results = set([
            self.coordinator_stats.get_query_count(1),
            self.coordinator_stats.get_query_count(3)
        ])
        self.assertEqual(results, set([0, 12]))
        self.coordinator_stats.assert_query_count_equals(self, 2, 0)

        cluster.shutdown()
    def token_aware(self, keyspace, use_prepared=False):
        use_singledc()
        cluster = Cluster(load_balancing_policy=TokenAwarePolicy(
            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(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()
        stop(2)
        wait_for_down(cluster, 2, wait=True)

        try:
            self._query(session, keyspace, use_prepared=use_prepared)
            self.fail()
        except Unavailable:
            pass

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

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

        results = set([
            self.coordinator_stats.get_query_count(1),
            self.coordinator_stats.get_query_count(3)
        ])
        self.assertEqual(results, set([0, 12]))
        self.coordinator_stats.assert_query_count_equals(self, 2, 0)

        cluster.shutdown()
    def token_aware(self, keyspace, use_prepared=False):
        use_singledc()
        cluster, session = self._cluster_session_with_lbp(TokenAwarePolicy(RoundRobinPolicy()))
        self._wait_for_nodes_up(range(1, 4), cluster)

        create_schema(cluster, 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)
        self._wait_for_nodes_down([2], cluster)

        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)
        self._wait_for_nodes_up([2], cluster)

        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()
        stop(2)
        self._wait_for_nodes_down([2], cluster)

        try:
            self._query(session, keyspace, use_prepared=use_prepared)
            self.fail()
        except Unavailable:
            pass

        self.coordinator_stats.reset_counts()
        start(2)
        self._wait_for_nodes_up([2], cluster)
        decommission(2)
        self._wait_for_nodes_down([2], cluster)

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

        results = set([
            self.coordinator_stats.get_query_count(1),
            self.coordinator_stats.get_query_count(3)
        ])
        self.assertEqual(results, set([0, 12]))
        self.coordinator_stats.assert_query_count_equals(self, 2, 0)

        cluster.shutdown()
    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()
        stop(2)
        wait_for_down(cluster, 2, wait=True)

        try:
            self._query(session, keyspace, use_prepared=use_prepared)
            self.fail()
        except Unavailable:
            pass

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

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

        results = set([
            self.coordinator_stats.get_query_count(1),
            self.coordinator_stats.get_query_count(3)
        ])
        self.assertEqual(results, set([0, 12]))
        self.coordinator_stats.assert_query_count_equals(self, 2, 0)