testutil

package

v0.0.2 Latest Latest Go to latest Published: Sep 5, 2019 License: Apache-2.0 Imports: 4 Imported by: 0

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func MustNewTopologyMap(replicas int, assignment map[string][]shard.Shard) topology.Map

MustNewTopologyMap returns a new topology.Map with provided parameters. It's a utility method to make tests easier to write.

func NewStateSnapshot(hostShardStates HostShardStates) *topology.StateSnapshot

NewStateSnapshot creates a new initial topology state snapshot using HostShardStates as input.

type HostShardStates map[string][]shard.Shard

HostShardStates is a human-readable way of describing an initial state topology on a host-by-host basis.

type TopologyView struct {
	Replicas   int
	Assignment map[string][]shard.Shard
}

TopologyView represents a snaphshot view of a topology.Map.

func NewTopologyView(replicas int, assignment map[string][]shard.Shard) TopologyView

NewTopologyView returns a new TopologyView with provided parameters. It's a utility method to make tests easier to write.

func (v TopologyView) Map() (topology.Map, error)

Map returns the topology.Map corresponding to a TopologyView.