public virtual async Task CanDequeueEfficiently() {
const int iterations = 100;
var queue = GetQueue(runQueueMaintenance: false);
if (queue == null)
return;
using (queue) {
await queue.DeleteQueueAsync();
await AssertEmptyQueueAsync(queue);
using (var metrics = new InMemoryMetricsClient()) {
queue.AttachBehavior(new MetricsQueueBehavior<SimpleWorkItem>(metrics));
Task.Run(async () => {
for (int index = 0; index < iterations; index++) {
await SystemClock.SleepAsync(RandomData.GetInt(10, 30));
await queue.EnqueueAsync(new SimpleWorkItem { Data = "Hello" });
}
_logger.Trace("Done enqueuing.");
});
_logger.Trace("Starting dequeue loop.");
var sw = Stopwatch.StartNew();
for (int index = 0; index < iterations; index++) {
var item = await queue.DequeueAsync(TimeSpan.FromSeconds(3));
Assert.NotNull(item);
await item.CompleteAsync();
}
sw.Stop();
Assert.InRange(sw.ElapsedMilliseconds, iterations * 10, iterations * 50);
var timing = await metrics.GetTimerStatsAsync("simpleworkitem.queuetime");
Assert.InRange(timing.AverageDuration, 0, 25);
}
}
}
public virtual async Task CanRunWorkItemWithMetrics() {
int completedCount = 0;
//Log.MinimumLevel = LogLevel.Trace;
//Log.SetLogLevel<ScheduledTimer>(LogLevel.Information);
//Log.SetLogLevel<InMemoryCacheClient>(LogLevel.Information);
using (var metricsClient = new InMemoryMetricsClient(false, loggerFactory: Log)) {
var behavior = new MetricsQueueBehavior<WorkItemData>(metricsClient, "metric", loggerFactory: Log, reportCountsInterval: TimeSpan.Zero);
using (var queue = new InMemoryQueue<WorkItemData>(behaviors: new[] { behavior }, loggerFactory: Log)) {
Func<object, CompletedEventArgs<WorkItemData>, Task> handler = (sender, e) => {
completedCount++;
return Task.CompletedTask;
};
using (queue.Completed.AddHandler(handler)) {
_logger.Trace("Before enqueue");
await queue.EnqueueAsync(new SimpleWorkItem { Id = 1, Data = "Testing" });
await queue.EnqueueAsync(new SimpleWorkItem { Id = 2, Data = "Testing" });
await queue.EnqueueAsync(new SimpleWorkItem { Id = 3, Data = "Testing" });
await SystemClock.SleepAsync(100);
_logger.Trace("Before dequeue");
var item = await queue.DequeueAsync();
await item.CompleteAsync();
item = await queue.DequeueAsync();
await item.CompleteAsync();
item = await queue.DequeueAsync();
await item.AbandonAsync();
_logger.Trace("Before asserts");
Assert.Equal(2, completedCount);
await SystemClock.SleepAsync(100);
Assert.InRange((await metricsClient.GetGaugeStatsAsync("metric.workitemdata.count")).Max, 1, 3);
Assert.InRange((await metricsClient.GetGaugeStatsAsync("metric.workitemdata.working")).Max, 0, 1);
Assert.Equal(3, await metricsClient.GetCounterCountAsync("metric.workitemdata.simple.enqueued"));
Assert.Equal(3, await metricsClient.GetCounterCountAsync("metric.workitemdata.enqueued"));
Assert.Equal(3, await metricsClient.GetCounterCountAsync("metric.workitemdata.simple.dequeued"));
Assert.Equal(3, await metricsClient.GetCounterCountAsync("metric.workitemdata.dequeued"));
Assert.Equal(2, await metricsClient.GetCounterCountAsync("metric.workitemdata.simple.completed"));
Assert.Equal(2, await metricsClient.GetCounterCountAsync("metric.workitemdata.completed"));
Assert.Equal(1, await metricsClient.GetCounterCountAsync("metric.workitemdata.simple.abandoned"));
Assert.Equal(1, await metricsClient.GetCounterCountAsync("metric.workitemdata.abandoned"));
var queueTiming = await metricsClient.GetTimerStatsAsync("metric.workitemdata.simple.queuetime");
Assert.Equal(3, queueTiming.Count);
queueTiming = await metricsClient.GetTimerStatsAsync("metric.workitemdata.queuetime");
Assert.Equal(3, queueTiming.Count);
var processTiming = await metricsClient.GetTimerStatsAsync("metric.workitemdata.simple.processtime");
Assert.Equal(3, processTiming.Count);
processTiming = await metricsClient.GetTimerStatsAsync("metric.workitemdata.processtime");
Assert.Equal(3, processTiming.Count);
var queueStats = await metricsClient.GetQueueStatsAsync("metric.workitemdata");
Assert.Equal(3, queueStats.Enqueued.Count);
Assert.Equal(3, queueStats.Dequeued.Count);
Assert.Equal(2, queueStats.Completed.Count);
Assert.Equal(1, queueStats.Abandoned.Count);
Assert.InRange(queueStats.Count.Max, 1, 3);
Assert.InRange(queueStats.Working.Max, 0, 1);
var subQueueStats = await metricsClient.GetQueueStatsAsync("metric.workitemdata", "simple");
Assert.Equal(3, subQueueStats.Enqueued.Count);
Assert.Equal(3, subQueueStats.Dequeued.Count);
Assert.Equal(2, subQueueStats.Completed.Count);
Assert.Equal(1, subQueueStats.Abandoned.Count);
}
}
}
}
