public void ChooseEmptyServer()
{
var configuration = ServiceProvider.Configuration <BalancerConfiguration>();
var maxSessions = configuration.GetMaxSessionsParameter(QueryType.Oltp);
var statisticsStorage = ServiceProvider.Resolve <IStatisticsStorage>();
var someOccupiedHost = new Server {
Host = "192.168.0.3"
};
var someEmptyHost = new Server {
Host = "192.168.0.4"
};
var maxSessionsStats = new Statistics {
IsOnline = true, CurrentSessionsCount = 5
};
SetLocalhostStatisticsAsOnline(statisticsStorage);
statisticsStorage.Set(QueryType.Oltp, someOccupiedHost, maxSessionsStats);
statisticsStorage.Set(QueryType.Oltp, someEmptyHost, new Statistics {
IsOnline = true
});
var oltpServers = statisticsStorage.Get(QueryType.Oltp);
var decider = ServiceProvider.Resolve <IServerDecider>();
var availableServer = decider.FindAvailableServer(oltpServers, maxSessions);
Assert.AreNotEqual(availableServer, someOccupiedHost);
statisticsStorage.ReloadFromConfiguration();
}