public void GetScaleStatus_HandlesMalformedMetrics()
{
// Null metrics
var context = new ScaleStatusContext <DurableTaskTriggerMetrics>
{
WorkerCount = 1,
Metrics = null,
};
var recommendation = this.scaleMonitor.GetScaleStatus(context);
Assert.Equal(ScaleVote.None, recommendation.Vote);
// Empty metrics
var heartbeats = new PerformanceHeartbeat[0];
context.Metrics = new DurableTaskTriggerMetrics[0];
this.performanceMonitor
.Setup(m => m.MakeScaleRecommendation(1, heartbeats))
.Returns <ScaleRecommendation>(null);
recommendation = this.scaleMonitor.GetScaleStatus(context);
Assert.Equal(ScaleVote.None, recommendation.Vote);
// Metrics with null properties
var metrics = new DurableTaskTriggerMetrics[5];
for (int i = 0; i < metrics.Length; ++i)
{
metrics[i] = new DurableTaskTriggerMetrics();
}
context.Metrics = metrics;
heartbeats = new PerformanceHeartbeat[5];
for (int i = 0; i < heartbeats.Length; ++i)
{
heartbeats[i] = new PerformanceHeartbeat
{
ControlQueueLengths = new List <int>(),
ControlQueueLatencies = new List <TimeSpan>(),
};
}
this.performanceMonitor
.Setup(m => m.MakeScaleRecommendation(1, this.MatchEquivalentHeartbeats(heartbeats)))
.Returns <ScaleRecommendation>(null);
recommendation = this.scaleMonitor.GetScaleStatus(context);
Assert.Equal(ScaleVote.None, recommendation.Vote);
}
private void GetCorrespondingHeartbeatsAndMetrics(out PerformanceHeartbeat[] heartbeats, out DurableTaskTriggerMetrics[] metrics)
{
heartbeats = new PerformanceHeartbeat[]
{
new PerformanceHeartbeat
{
PartitionCount = 4,
ControlQueueLengths = new List <int> {
1, 2, 3, 4
},
ControlQueueLatencies = new List <TimeSpan> {
TimeSpan.FromMilliseconds(1), TimeSpan.FromMilliseconds(2), TimeSpan.FromMilliseconds(3), TimeSpan.FromMilliseconds(4),
},
WorkItemQueueLength = 5,
WorkItemQueueLatency = TimeSpan.FromMilliseconds(6),
},
new PerformanceHeartbeat
{
PartitionCount = 7,
ControlQueueLengths = new List <int> {
8, 9, 10, 11
},
ControlQueueLatencies = new List <TimeSpan> {
TimeSpan.FromMilliseconds(12), TimeSpan.FromMilliseconds(13), TimeSpan.FromMilliseconds(14), TimeSpan.FromMilliseconds(15),
},
WorkItemQueueLength = 16,
WorkItemQueueLatency = TimeSpan.FromMilliseconds(17),
},
};
metrics = new DurableTaskTriggerMetrics[]
{
new DurableTaskTriggerMetrics
{
PartitionCount = 4,
ControlQueueLengths = "[1,2,3,4]",
ControlQueueLatencies = "[\"00:00:00.0010000\",\"00:00:00.0020000\",\"00:00:00.0030000\",\"00:00:00.0040000\"]",
WorkItemQueueLength = 5,
WorkItemQueueLatency = "00:00:00.0060000",
},
new DurableTaskTriggerMetrics
{
PartitionCount = 7,
ControlQueueLengths = "[8,9,10,11]",
ControlQueueLatencies = "[\"00:00:00.0120000\",\"00:00:00.0130000\",\"00:00:00.0140000\",\"00:00:00.0150000\"]",
WorkItemQueueLength = 16,
WorkItemQueueLatency = "00:00:00.0170000",
},
};
}
