public static void LoadBalancer_OddNumberOfChannels()
{
List <ILanguageWorkerChannel> results = new List <ILanguageWorkerChannel>();
int totalInvocations = 100;
IEnumerable <ILanguageWorkerChannel> workerChannels = new List <ILanguageWorkerChannel>()
{
new TestLanguageWorkerChannel("1"),
new TestLanguageWorkerChannel("2"),
new TestLanguageWorkerChannel("3")
};
int expectedInvocationsPerChannel = totalInvocations / workerChannels.Count();
IFunctionDispatcherLoadBalancer loadBalancer = new FunctionDispatcherLoadBalancer();
for (int index = 0; index < 100; index++)
{
results.Add(loadBalancer.GetLanguageWorkerChannel(workerChannels, workerChannels.Count()));
}
var channelGroupsQuery = results.GroupBy(r => r.Id)
.Select(g => new { Value = g.Key, Count = g.Count() });
foreach (var channelGroup in channelGroupsQuery)
{
Assert.True(channelGroup.Count >= expectedInvocationsPerChannel);
}
}
public static void LoadBalancer_Throws_InvalidOperationException_NoWorkerChannels()
{
List <ILanguageWorkerChannel> results = new List <ILanguageWorkerChannel>();
IEnumerable <ILanguageWorkerChannel> workerChannels = new List <ILanguageWorkerChannel>();
IFunctionDispatcherLoadBalancer loadBalancer = new FunctionDispatcherLoadBalancer();
var ex = Assert.Throws <InvalidOperationException>(() =>
{
loadBalancer.GetLanguageWorkerChannel(workerChannels, workerChannels.Count());
});
Assert.Equal($"Did not find any initialized language workers", ex.Message);
}
public static void LoadBalancer_SingleProcess_VerifyCounter()
{
List <ILanguageWorkerChannel> results = new List <ILanguageWorkerChannel>();
IEnumerable <ILanguageWorkerChannel> workerChannels = new List <ILanguageWorkerChannel>()
{
new TestLanguageWorkerChannel("1"),
};
IFunctionDispatcherLoadBalancer loadBalancer = new FunctionDispatcherLoadBalancer();
FunctionDispatcherLoadBalancer functionDispatcherLoadBalancer = loadBalancer as FunctionDispatcherLoadBalancer;
for (int index = 0; index < 10; index++)
{
loadBalancer.GetLanguageWorkerChannel(workerChannels, 1);
Assert.Equal(0, functionDispatcherLoadBalancer.Counter);
}
}
