public void CanIncrementCounter() {
var metrics = new InMemoryMetricsClient();
metrics.Counter("c1");
Assert.Equal(1, metrics.GetCount("c1"));
metrics.Counter("c1", 5);
Assert.Equal(6, metrics.GetCount("c1"));
var counter = metrics.Counters["c1"];
Assert.True(counter.Rate > 400);
metrics.Gauge("g1", 2.534);
Assert.Equal(2.534, metrics.GetGaugeValue("g1"));
metrics.Timer("t1", 50788);
var stats = metrics.GetMetricStats();
Assert.Equal(1, stats.Timings.Count);
metrics.DisplayStats(_writer);
}
public async void CanWaitForCounter() {
var metrics = new InMemoryMetricsClient();
metrics.StartDisplayingStats(TimeSpan.FromMilliseconds(50), _writer);
Task.Run(() => {
Thread.Sleep(50);
metrics.Counter("Test");
metrics.Counter("Test");
});
var success = await metrics.WaitForCounterAsync("Test", TimeSpan.FromMilliseconds(500), 2);
Assert.True(success);
Task.Run(() => {
Thread.Sleep(50);
metrics.Counter("Test");
});
success = await metrics.WaitForCounterAsync("Test", TimeSpan.FromMilliseconds(500));
Assert.True(success);
success = await metrics.WaitForCounterAsync("Test", TimeSpan.FromMilliseconds(100));
Assert.False(success);
Task.Run(() => {
Thread.Sleep(50);
metrics.Counter("Test", 2);
});
success = await metrics.WaitForCounterAsync("Test", TimeSpan.FromMilliseconds(500), 2);
Assert.True(success);
success = await metrics.WaitForCounterAsync("Test", () => metrics.CounterAsync("Test"), TimeSpan.FromMilliseconds(500));
Assert.True(success);
Task.Run(() => {
Thread.Sleep(50);
metrics.Counter("Test");
});
success = metrics.WaitForCounter("Test", TimeSpan.FromMilliseconds(500));
Assert.True(success);
metrics.DisplayStats(_writer);
}
public virtual void MeasureThroughput()
{
var cacheClient = GetCacheClient();
if (cacheClient == null)
return;
cacheClient.FlushAll();
const int itemCount = 10000;
var metrics = new InMemoryMetricsClient();
for (int i = 0; i < itemCount; i++)
{
cacheClient.Set("test", 13422);
cacheClient.Set("flag", true);
Assert.Equal(13422, cacheClient.Get<int>("test"));
Assert.Null(cacheClient.Get<int?>("test2"));
Assert.True(cacheClient.Get<bool>("flag"));
metrics.Counter("work");
}
metrics.DisplayStats(_writer);
}
public virtual void MeasureSerializerSimpleThroughput()
{
var cacheClient = GetCacheClient();
if (cacheClient == null)
return;
cacheClient.FlushAll();
const int itemCount = 10000;
var metrics = new InMemoryMetricsClient();
for (int i = 0; i < itemCount; i++)
{
cacheClient.Set("test", new SimpleModel
{
Data1 = "Hello",
Data2 = 12
});
var model = cacheClient.Get<SimpleModel>("test");
Assert.NotNull(model);
Assert.Equal("Hello", model.Data1);
Assert.Equal(12, model.Data2);
metrics.Counter("work");
}
metrics.DisplayStats(_writer);
}
public virtual void MeasureSerializerComplexThroughput()
{
var cacheClient = GetCacheClient();
if (cacheClient == null)
return;
cacheClient.FlushAll();
const int itemCount = 10000;
var metrics = new InMemoryMetricsClient();
for (int i = 0; i < itemCount; i++)
{
cacheClient.Set("test", new ComplexModel
{
Data1 = "Hello",
Data2 = 12,
Data3 = true,
Simple = new SimpleModel { Data1 = "hi", Data2 = 13 },
Simples = new List<SimpleModel> { new SimpleModel { Data1 = "hey", Data2 = 45 }, new SimpleModel { Data1 = "next", Data2 = 3423 } },
DictionarySimples = new Dictionary<string, SimpleModel> { { "sdf", new SimpleModel { Data1 = "Sachin" } } }
});
var model = cacheClient.Get<ComplexModel>("test");
Assert.NotNull(model);
Assert.Equal("Hello", model.Data1);
Assert.Equal(12, model.Data2);
metrics.Counter("work");
}
metrics.DisplayStats(_writer);
}
public void MeasureWorkerThroughput()
{
var queue = GetQueue(retries: 3, workItemTimeout: TimeSpan.FromSeconds(2), retryDelay: TimeSpan.FromSeconds(1));
if (queue == null)
return;
FlushAll();
using (queue) {
queue.DeleteQueue();
const int workItemCount = 1000;
for (int i = 0; i < workItemCount; i++) {
queue.Enqueue(new SimpleWorkItem {
Data = "Hello"
});
}
Assert.Equal(workItemCount, queue.GetQueueStats().Queued);
var countdown = new CountDownLatch(workItemCount);
var metrics = new InMemoryMetricsClient();
queue.StartWorking(workItem => {
Assert.Equal("Hello", workItem.Value.Data);
workItem.Complete();
metrics.Counter("work");
countdown.Signal();
});
countdown.Wait(60 * 1000);
metrics.DisplayStats(_output);
var stats = queue.GetQueueStats();
Assert.Equal(workItemCount, stats.Dequeued);
Assert.Equal(workItemCount, stats.Completed);
Assert.Equal(0, stats.Queued);
Trace.WriteLine(CountAllKeys());
}
}
public void MeasureThroughputWithRandomFailures()
{
var queue = GetQueue(retries: 3, workItemTimeout: TimeSpan.FromSeconds(2), retryDelay: TimeSpan.Zero);
if (queue == null)
return;
FlushAll();
using (queue) {
queue.DeleteQueue();
const int workItemCount = 1000;
for (int i = 0; i < workItemCount; i++) {
queue.Enqueue(new SimpleWorkItem {
Data = "Hello"
});
}
Assert.Equal(workItemCount, queue.GetQueueStats().Queued);
var metrics = new InMemoryMetricsClient();
var workItem = queue.Dequeue(TimeSpan.Zero);
while (workItem != null) {
Assert.Equal("Hello", workItem.Value.Data);
if (RandomData.GetBool(10))
workItem.Abandon();
else
workItem.Complete();
metrics.Counter("work");
workItem = queue.Dequeue(TimeSpan.FromMilliseconds(100));
}
metrics.DisplayStats(_output);
var stats = queue.GetQueueStats();
Assert.True(stats.Dequeued >= workItemCount);
Assert.Equal(workItemCount, stats.Completed + stats.Deadletter);
Assert.Equal(0, stats.Queued);
Trace.WriteLine(CountAllKeys());
}
}
public void CanDisplayStatsMultithreaded() {
var metrics = new InMemoryMetricsClient();
metrics.StartDisplayingStats(TimeSpan.FromMilliseconds(10), _writer);
Parallel.For(0, 100, i => {
metrics.Counter("Test");
Thread.Sleep(50);
});
}