private List <AppMetric> MergeAppMetrics(AppMetricsCollection[] collections)
{
List <AppMetric> metrics =
new List <AppMetric>();
foreach (AppMetricsCollection col in collections)
{
foreach (AppMetric metric in col.CollectMetrics())
{
AppMetric existingMetric = metrics.FirstOrDefault(m
=> m.Id.Equals(metric.Id));
if (existingMetric != null)
{
existingMetric.Add(metric.Value);
}
else
{
metrics.Add(metric.Copy());
}
}
}
return(metrics);
}
public void Test_CanAdd_Parallel(int nThreads)
{
Faker faker = new Faker();
Thread[] threads = new Thread[nThreads];
long valueToAdd = faker.Random.Long(1, 10);
AppMetric metric = new AppMetric(faker.PickRandom(AppMetricId.BuiltInAppMetricIds),
0);
for (int i = 0; i < nThreads; i++)
{
Thread addThread = new Thread(() => metric.Add(valueToAdd));
threads[i] = addThread;
addThread.Start();
}
foreach (Thread t in threads)
{
t.Join();
}
Assert.AreEqual(nThreads * valueToAdd, metric.Value);
}