public void TestGetCurrentReplicaChain()
{
var conf = new ReplicatedTableConfigurationStore();
conf.ReplicaChain.Add(new ReplicaInfo
{
Status = ReplicaStatus.None,
});
conf.ReplicaChain.Add(new ReplicaInfo
{
Status = ReplicaStatus.ReadOnly,
});
conf.ReplicaChain.Add(new ReplicaInfo
{
Status = ReplicaStatus.None,
});
conf.ReplicaChain.Add(new ReplicaInfo
{
Status = ReplicaStatus.ReadWrite,
});
conf.ReplicaChain.Add(new ReplicaInfo
{
Status = ReplicaStatus.WriteOnly,
});
conf.ReplicaChain.Add(new ReplicaInfo
{
Status = ReplicaStatus.None,
});
conf.ReplicaChain.Add(new ReplicaInfo
{
Status = ReplicaStatus.ReadWrite,
});
conf.ReplicaChain.Add(new ReplicaInfo
{
Status = ReplicaStatus.None,
});
// only Active replicas are returned i.e. RO, WO and RW
var chain = conf.GetCurrentReplicaChain();
Assert.IsFalse(chain.Any(r => r.Status == ReplicaStatus.None));
}
private void UploadHeadTailView(string viewName, int leaseDuration, ReplicatedTableConfigurationServiceV2 configService)
{
// Download config using provided instance
ReplicatedTableConfiguration config;
ReplicatedTableQuorumReadResult readStatus = configService.RetrieveConfiguration(out config);
Assert.IsTrue(readStatus.Code == ReplicatedTableQuorumReadCode.Success);
// [Head] -> [Tail]
ReplicatedTableConfigurationStore viewConfg = config.GetView(viewName);
Assert.IsTrue(viewConfg.GetCurrentReplicaChain().Count == 2);
// Force Reads on Head replica
viewConfg.ReadViewTailIndex = 0;
viewConfg.ViewId++;
config.LeaseDuration = leaseDuration;
// Upload config using provided instance
configService.UpdateConfiguration(config);
}