public void MovesTransmissionsFromBufferToStorageWhenBufferCapacityIsZero()
{
var storage = new StubTransmissionStorage { Capacity = 1 };
var bufferedTransmission = new StubTransmission();
var buffer = new TransmissionBuffer();
storage.Enqueue(() => bufferedTransmission);
var policy = new StubTransmissionPolicy();
policy.MaxBufferCapacity = 1;
Transmitter transmitter = CreateTransmitter(buffer: buffer, storage: storage, policies: new[] { policy });
policy.MaxBufferCapacity = 0;
policy.Apply();
Transmission storedTransmission = storage.Dequeue();
Assert.Same(bufferedTransmission, storedTransmission);
}
public void MovesTransmissionsFromStorageToBufferWhenBufferCapacityIsGreaterThanZero()
{
var storedTransmission = new StubTransmission();
var storage = new StubTransmissionStorage();
storage.Enqueue(() => storedTransmission);
var buffer = new TransmissionBuffer();
var policy = new StubTransmissionPolicy();
policy.MaxBufferCapacity = 0;
Transmitter transmitter = CreateTransmitter(buffer: buffer, storage: storage, policies: new[] { policy });
policy.MaxBufferCapacity = 1;
policy.Apply();
Transmission bufferedTransmission = buffer.Dequeue();
Assert.Same(storedTransmission, bufferedTransmission);
}
public void DoesNotMoveTransmissionsFromStorageToSenderWhenBufferIsNotEmptyToPreserveQueueOrder()
{
var storedTransmission = new StubTransmission();
var storage = new StubTransmissionStorage();
storage.Enqueue(() => storedTransmission);
var buffer = new StubTransmissionBuffer { OnGetSize = () => 1 };
var sentTransmissions = new List<Transmission>();
StubTransmissionSender sender = CreateSender(sentTransmissions);
sender.OnGetCapacity = () => 1;
Transmitter transmitter = CreateTransmitter(sender, buffer, storage);
transmitter.ApplyPolicies();
Assert.DoesNotContain(storedTransmission, sentTransmissions);
}
public void EmptiesBufferIfCapacityIsZero()
{
//// We set capacity to 0 and clear the cache when DC responds with 439.
var buffer = new StubTransmissionBuffer();
buffer.Enqueue(() => new StubTransmission());
var storage = new StubTransmissionStorage();
storage.Enqueue(() => new StubTransmission());
var sender = new StubTransmissionSender();
sender.Enqueue(() => new StubTransmission());
var policy = new StubTransmissionPolicy();
policy.MaxStorageCapacity = 0;
Transmitter transmitter = CreateTransmitter(sender, buffer, storage, new[] { policy });
policy.Apply();
Assert.Equal(0, storage.Queue.Count);
}
public void MovesTransmissionsFromStorageToSenderToAvoidWaitingUntilBufferIsFullBeforeSendingStarts()
{
var storedTransmission = new StubTransmission();
var storage = new StubTransmissionStorage();
storage.Enqueue(() => storedTransmission);
var buffer = new StubTransmissionBuffer();
var sentTransmissions = new List<Transmission>();
StubTransmissionSender sender = CreateSender(sentTransmissions);
sender.OnGetCapacity = () => 1;
Transmitter transmitter = CreateTransmitter(sender, buffer, storage);
transmitter.ApplyPolicies();
Assert.Contains(storedTransmission, sentTransmissions);
}