public void EmptyConsistentHashToString()
{
KevinConsistentHash ch = new KevinConsistentHash(maxNumServers: 100, numReplicasPerServer: 10);
Console.WriteLine(ch.ToString());
Assert.AreEqual(ch.GetNumServers(), 0);
Assert.AreEqual(ch.GetNumClients(), 0);
}
public void FiveServersGetServerForClient()
{
KevinConsistentHash ch = new KevinConsistentHash(maxNumServers: 100, numReplicasPerServer: 2);
List <int> serverIds = new List <int>()
{
0, 1, 2, 3, 4
};
serverIds.ForEach(serverId => ch.AddServer(serverId));
Guid clientId = Guid.NewGuid();
int assignedServerId = ch.GetServerForClient(clientId);
Assert.AreEqual(ch.GetNumServers(), serverIds.Count);
Assert.AreEqual(ch.GetNumClients(), 1);
Console.WriteLine(
string.Format("ClientId: {0} Assigned Server Id: {1}", clientId, assignedServerId));
Console.WriteLine(ch.ToString());
}
public void FiveServersGetServerForManyClients()
{
KevinConsistentHash ch = new KevinConsistentHash(maxNumServers: 100, numReplicasPerServer: 2);
List <int> serverIds = new List <int>()
{
0, 1, 2, 3, 4
};
serverIds.ForEach(serverId => ch.AddServer(serverId));
int numClients = 100;
for (int i = 0; i < numClients; i++)
{
ch.GetServerForClient(Guid.NewGuid());
}
Assert.AreEqual(ch.GetNumServers(), serverIds.Count);
Assert.AreEqual(ch.GetNumClients(), numClients);
Console.WriteLine(ch.ToString());
}