public void FindReceiver_GivenThereIsNoReceiver_ReturnsNull()
{
// Act
var receiver = capacityZeroPipe.FindReceiver(capacityZeroPipe.Inlet);
// Assert
receiver.Should().BeNull();
}
public void FindReceiver_GivenThePipeHasSpareCapacity_ReturnsAReceiver()
{
// Act
var receiver = capacityThreePipe.FindReceiver(capacityThreePipe.Inlet);
// Assert
receiver.Should().NotBeNull();
}