public void LimitProviderReachMaxInWindow()
{
var limitProvider = new SlidingWindowWithInterval();
var timeStamp = _dateTimeService.Timestamp;
var evaluationContext = new EvaluationContext
{
RequestContext = new RequestContext
{
ClientContext = new ClientContext {
Token = "test"
},
TimeStamp = _dateTimeService.Timestamp
},
RuleSet = new List <LimitRule>
{
new LimitRule {
Threshold = 5, TimeSpan = 10
}
}
};
var visitContext = new VisitContext
{
Counter = 4,
LastAccess = timeStamp - 1,
WindowStart = timeStamp - 5
};
visitContext = limitProvider.Evaluate(evaluationContext, visitContext);
// Counter Increase
Assert.AreEqual(5, visitContext.Counter);
// Counter Stop
Assert.AreEqual(5, limitProvider.Evaluate(evaluationContext, visitContext).Counter);
}
public void LimitProviderIntervalReject()
{
var limitProvider = new SlidingWindowWithInterval();
var timeStamp = _dateTimeService.Timestamp;
var evaluationContext = new EvaluationContext
{
RequestContext = new RequestContext
{
ClientContext = new ClientContext {
Token = "test"
},
TimeStamp = _dateTimeService.Timestamp
},
RuleSet = new List <LimitRule>
{
new LimitRule {
Threshold = 1, TimeSpan = 10
} // a request per 10 seconds
}
};
var visitContext = new VisitContext
{
Counter = 1,
LastAccess = timeStamp - 5,
WindowStart = timeStamp - 5
};
Assert.IsTrue(visitContext.Equals(limitProvider.Evaluate(evaluationContext, visitContext)));
evaluationContext.RequestContext.TimeStamp += 6;
visitContext = limitProvider.Evaluate(evaluationContext, visitContext);
Assert.IsTrue(visitContext.LastAccess == evaluationContext.RequestContext.TimeStamp);
}
public void LimitProviderUpdatedWindow()
{
var limitProvider = new SlidingWindowWithInterval();
var timeStamp = _dateTimeService.Timestamp;
var evaluationContext = new EvaluationContext
{
RequestContext = new RequestContext
{
ClientContext = new ClientContext {
Token = "test"
},
TimeStamp = _dateTimeService.Timestamp
},
RuleSet = new List <LimitRule>
{
new LimitRule {
Threshold = 5, TimeSpan = 10
} // Represents 5 request per 10 second
}
};
var visitContext = new VisitContext
{
Counter = 4,
LastAccess = timeStamp - 1,
WindowStart = timeStamp - 11
};
visitContext = limitProvider.Evaluate(evaluationContext, visitContext);
Assert.IsTrue(visitContext.Counter == 1);
Assert.IsTrue(visitContext.LastAccess == timeStamp);
Assert.IsTrue(visitContext.WindowStart == timeStamp);
}
