private async Task MergeGrainResolverTestsImpl <T>(Type defaultPlacementStrategy, bool restartClient, Func <IGrain, Task> func, params Type[] blackListedTypes)
where T : IGrainWithIntegerKey
{
SetupAndDeployCluster(defaultPlacementStrategy, blackListedTypes);
var delayTimeout = RefreshInterval.Add(RefreshInterval);
// Should fail
var exception = Assert.Throws <ArgumentException>(() => this.cluster.GrainFactory.GetGrain <T>(0));
Assert.Contains("Could not find an implementation for interface", exception.Message);
// Start a new silo with TestGrain
await cluster.StartAdditionalSiloAsync();
await Task.Delay(delayTimeout);
if (restartClient)
{
// Disconnect/Reconnect the client
await cluster.StopClusterClientAsync();
await cluster.InitializeClientAsync();
}
else
{
await Task.Delay(ClientRefreshDelay.Multiply(3));
}
for (var i = 0; i < 5; i++)
{
// Success
var g = this.cluster.GrainFactory.GetGrain <T>(i);
await func(g);
}
// Stop the latest silos
await cluster.StopSecondarySilosAsync();
await Task.Delay(delayTimeout);
if (restartClient)
{
// Disconnect/Reconnect the client
await cluster.StopClusterClientAsync();
await cluster.InitializeClientAsync();
}
else
{
await Task.Delay(ClientRefreshDelay.Multiply(3));
}
// Should fail
exception = Assert.Throws <ArgumentException>(() => this.cluster.GrainFactory.GetGrain <T>(0));
Assert.Contains("Could not find an implementation for interface", exception.Message);
}
public async Task StreamProducerOnDroppedClientTest(string streamProviderName, string streamNamespace)
{
const int eventsProduced = 10;
Guid streamGuid = Guid.NewGuid();
await ProduceEventsFromClient(streamProviderName, streamGuid, streamNamespace, eventsProduced);
// Hard kill client
await testHost.KillClientAsync();
// make sure dead client has had time to drop
await Task.Delay(Constants.DEFAULT_CLIENT_DROP_TIMEOUT + TimeSpan.FromSeconds(5));
// initialize new client
await testHost.InitializeClientAsync();
// run test again.
await ProduceEventsFromClient(streamProviderName, streamGuid, streamNamespace, eventsProduced);
}