public void TheTheScalerShouldNotBeScaled()
{
var channelLoadBalancer = Substitute.For<ChannelLoadBalancer>();
channelLoadBalancer.HasActiveChannels.Returns(true);
channelLoadBalancer.ChannelCount.Returns(1);
var channelScalerImp = new ChannelScalerImpl(new PushServiceSettings(), channelLoadBalancer);
channelScalerImp.Start();
channelScalerImp.CheckScale();
Assert.AreEqual(1, channelLoadBalancer.ChannelCount);
}
public void ThenTheScalerShouldAddAChannelToTheLoadBalancer()
{
var channelLoadBalancer = Substitute.For<ChannelLoadBalancer>();
channelLoadBalancer.HasActiveChannels.Returns(true);
channelLoadBalancer.ChannelCount.Returns(1, 2, 3, 4, 5);
var pushServiceSettings = new PushServiceSettings { AutoScaleChannels = false, Channels = 5 };
var channelScalerImp = new ChannelScalerImpl(pushServiceSettings, channelLoadBalancer);
channelScalerImp.Start();
channelScalerImp.CheckScale();
channelLoadBalancer.Received(3).AddChannels(1);
}
public void ThenTheScalerShouldAddAChannelToTheLoadBalancer()
{
var channelLoadBalancer = Substitute.For<ChannelLoadBalancer>();
channelLoadBalancer.HasActiveChannels.Returns(true);
var pushServiceSettings = new PushServiceSettings();
var channelScalerImp = new ChannelScalerImpl(pushServiceSettings, channelLoadBalancer);
channelScalerImp.Start();
int measurementCounter = 0;
while (measurementCounter < 1000)
{
channelScalerImp.RecordQueueTime(pushServiceSettings.MinAvgTimeToScaleChannels + 1);
measurementCounter++;
}
channelScalerImp.CheckScale();
channelLoadBalancer.Received(1).AddChannels(1);
}
