本文整理汇总了Python中rediscluster.StrictRedisCluster.ping方法的典型用法代码示例。如果您正苦于以下问题：Python StrictRedisCluster.ping方法的具体用法？Python StrictRedisCluster.ping怎么用？Python StrictRedisCluster.ping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类rediscluster.StrictRedisCluster的用法示例。
在下文中一共展示了StrictRedisCluster.ping方法的1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_using_specific_nodes
# 需要导入模块: from rediscluster import StrictRedisCluster [as 别名]
# 或者: from rediscluster.StrictRedisCluster import ping [as 别名]
def test_refresh_using_specific_nodes(r):
"""
Test making calls on specific nodes when the cluster has failed over to
another node
"""
with patch.object(StrictRedisCluster, 'parse_response') as parse_response_mock:
with patch.object(NodeManager, 'initialize', autospec=True) as init_mock:
# simulate 7006 as a failed node
def side_effect(self, *args, **kwargs):
if self.port == 7006:
parse_response_mock.failed_calls += 1
raise ClusterDownError('CLUSTERDOWN The cluster is down. Use CLUSTER INFO for more information')
elif self.port == 7007:
parse_response_mock.successful_calls += 1
def side_effect_rebuild_slots_cache(self):
# start with all slots mapped to 7006
self.nodes = {'127.0.0.1:7006': {'host': '127.0.0.1', 'server_type': 'master', 'port': 7006, 'name': '127.0.0.1:7006'}}
self.slots = {}
for i in range(0, 16383):
self.slots[i] = [{
'host': '127.0.0.1',
'server_type': 'master',
'port': 7006,
'name': '127.0.0.1:7006',
}]
# After the first connection fails, a reinitialize should follow the cluster to 7007
def map_7007(self):
self.nodes = {'127.0.0.1:7007': {'host': '127.0.0.1', 'server_type': 'master', 'port': 7007, 'name': '127.0.0.1:7007'}}
self.slots = {}
for i in range(0, 16383):
self.slots[i] = [{
'host': '127.0.0.1',
'server_type': 'master',
'port': 7007,
'name': '127.0.0.1:7007',
}]
init_mock.side_effect = map_7007
parse_response_mock.side_effect = side_effect
parse_response_mock.successful_calls = 0
parse_response_mock.failed_calls = 0
init_mock.side_effect = side_effect_rebuild_slots_cache
rc = StrictRedisCluster(host='127.0.0.1', port=7006)
assert len(rc.connection_pool.nodes.nodes) == 1
assert '127.0.0.1:7006' in rc.connection_pool.nodes.nodes
rc.ping()
# Cluster should now point to 7006, and there should be one failed and one succesful call
assert len(rc.connection_pool.nodes.nodes) == 1
assert '127.0.0.1:7007' in rc.connection_pool.nodes.nodes
assert parse_response_mock.failed_calls == 1
assert parse_response_mock.successful_calls == 1