public async Task TestServiceState_InMemoryState_PromoteNewReplica()
{
var replicaSet = new MockStatefulServiceReplicaSet <MyStatefulService>(CreateStatefulService, CreateStateManagerReplica);
await replicaSet.AddReplicaAsync(ReplicaRole.Primary, 1);
await replicaSet.AddReplicaAsync(ReplicaRole.ActiveSecondary, 2);
await replicaSet.AddReplicaAsync(ReplicaRole.ActiveSecondary, 3);
const string stateName = "test";
var payload = new Payload(StatePayload);
//insert data
await replicaSet.Primary.ServiceInstance.InsertAsync(stateName, payload);
//promote one of the secondaries to primary
await replicaSet.PromoteNewReplicaToPrimaryAsync(4);
//get data
var payloads = (await replicaSet.Primary.ServiceInstance.GetPayloadsAsync()).ToList();
//data should match what was inserted against the primary
Assert.IsTrue(payloads.Count == 1);
Assert.IsTrue(payloads[0].Content == payload.Content);
//the primary should not have any in-memory state
var payloadsFromOldPrimary = await replicaSet[1].ServiceInstance.GetPayloadsAsync();
Assert.IsTrue(payloadsFromOldPrimary.Any() == false);
}
