public void TestPerformanceCounterSourceForTransientInstance()
{
var config = TestUtility.GetConfig("Sources", "PerformanceCounter");
var performanceCounterSource = new PerformanceCounterSource(new PluginContext(config, NullLogger.Instance, null));
performanceCounterSource.Start();
var results = performanceCounterSource.Query(null);
var metrics = results.Data as ICollection <KeyValuePair <MetricKey, MetricValue> >;
Assert.True(metrics.Count > 0);
Assert.Contains(metrics, m => m.Value.Value > 0);
Process p = Process.Start("notepad.exe"); // Start a new process by running the notepad.exe
// Query the process again
var newResults = performanceCounterSource.Query(null);
var newMetrics = newResults.Data as ICollection <KeyValuePair <MetricKey, MetricValue> >;
// Find the different processes between the old process list and new process list
var diff = newMetrics.Where(n => !metrics.Any(m => m.Key.Id == n.Key.Id)).ToList();
// If the difference contains the new process, return true
Assert.True(diff.Where(m => m.Key.Category.Equals("Process") && m.Key.Id.Contains("notepad")).ToList().Count > 0);
// Kill the process
p.Kill();
performanceCounterSource.Stop();
}
public void TestUnitInference()
{
Assert.Equal(MetricUnit.Percent, PerformanceCounterSource.InferUnit(null, "% Total Run Time"));
Assert.Equal(MetricUnit.Percent, PerformanceCounterSource.InferUnit(null, "Data Map Hits %"));
Assert.Equal(MetricUnit.Percent, PerformanceCounterSource.InferUnit(null, "Slow Tier Destaged Container Fill Ratio (%)"));
Assert.Equal(MetricUnit.CountSecond, PerformanceCounterSource.InferUnit(null, "Page Table Evictions/sec"));
Assert.Equal(MetricUnit.CountSecond, PerformanceCounterSource.InferUnit(null, "Requests / Sec"));
Assert.Equal(MetricUnit.BytesSecond, PerformanceCounterSource.InferUnit(null, "Bytes Received/sec"));
Assert.Equal(MetricUnit.BytesSecond, PerformanceCounterSource.InferUnit(null, "IL Bytes Jitted / sec"));
Assert.Equal(MetricUnit.Bytes, PerformanceCounterSource.InferUnit(null, "Bytes Received By Disconnected Clients"));
Assert.Equal(MetricUnit.Bytes, PerformanceCounterSource.InferUnit(null, "In - Total bytes received"));
Assert.Equal(MetricUnit.Megabytes, PerformanceCounterSource.InferUnit(null, "Total MBytes"));
Assert.Equal(MetricUnit.Kilobytes, PerformanceCounterSource.InferUnit(null, " Available KBytes"));
Assert.Equal(MetricUnit.Seconds, PerformanceCounterSource.InferUnit(null, "Duration - Duration of the session (Seconds)"));
Assert.Equal(MetricUnit.Seconds, PerformanceCounterSource.InferUnit(null, "Avg. sec/Request"));
Assert.Equal(MetricUnit.Milliseconds, PerformanceCounterSource.InferUnit(null, "File lock acquire average milliseconds"));
Assert.Equal(MetricUnit.Milliseconds, PerformanceCounterSource.InferUnit(null, "I/O Database Reads (Attached) Average Latency"));
Assert.Equal(MetricUnit.HundredNanoseconds, PerformanceCounterSource.InferUnit(null, "Slow tier destage read latency (100 ns)"));
//This should be count per second
Assert.Equal(MetricUnit.CountSecond, PerformanceCounterSource.InferUnit(null, "I/O Database Reads (Recovery) Abnormal Latency/sec"));
Assert.Equal(MetricUnit.Count, PerformanceCounterSource.InferUnit(null, "Monitored Notifications"));
}
public void TestCombinedCounters_DuplicateCounters()
{
var config = TestUtility.GetConfig("Sources", "SystemAndProcessorCounter");
var performanceCounterSource = new PerformanceCounterSource(new PluginContext(config, NullLogger.Instance, null));
performanceCounterSource.Start();
var results = performanceCounterSource.Query(null);
var metrics = results.Data;
Assert.Equal(3 * (Environment.ProcessorCount + 1) + 2, metrics.Count);
performanceCounterSource.Stop();
}
public void TestLoadNonExistingCategory()
{
var config = TestUtility.GetConfig("Sources", "NonExistingCategory");
var performanceCounterSource = new PerformanceCounterSource(new PluginContext(config, NullLogger.Instance, null));
performanceCounterSource.Start();
var results = performanceCounterSource.Query(null);
var metrics = results.Data;
Assert.Equal(1, metrics.Count);
performanceCounterSource.Stop();
}
public void TestSingleInstanceCounters_RepeatedCategory()
{
var config = TestUtility.GetConfig("Sources", "SystemCounter");
var performanceCounterSource = new PerformanceCounterSource(new PluginContext(config, NullLogger.Instance, null));
performanceCounterSource.Start();
var results = performanceCounterSource.Query(null);
var metrics = results.Data;
Assert.Equal(3, metrics.Count);
performanceCounterSource.Stop();
}
public void TestLoadNonExistingCounters()
{
var config = TestUtility.GetConfig("Sources", "NonExistingCounter");
var performanceCounterSource = new PerformanceCounterSource(new PluginContext(config, NullLogger.Instance, null));
performanceCounterSource.Start();
var results = performanceCounterSource.Query(null);
// Assert that instance '0' has only 1 counter
Assert.Equal(1, results.Data.Count);
performanceCounterSource.Stop();
}
public void TestPerformanceCounterSource()
{
var config = TestUtility.GetConfig("Sources", "PerformanceCounter");
var performanceCounterSource = new PerformanceCounterSource(new PluginContext(config, NullLogger.Instance, null));
performanceCounterSource.Start();
var results = performanceCounterSource.Query(null);
var metrics = results.Data as ICollection <KeyValuePair <MetricKey, MetricValue> >;
Assert.True(metrics.Count > 0);
Assert.Contains(metrics, m => m.Value.Value > 0);
performanceCounterSource.Stop();
}
public void TestPerformanceCounterSource()
{
var config = TestUtility.GetConfig("Sources", "PerformanceCounter");
var performanceCounterSource = new PerformanceCounterSource(new PluginContext(config, NullLogger.Instance, null, _bookmarkManager));
performanceCounterSource.Start();
var results = performanceCounterSource.Query(null);
var metrics = results.Data;
Assert.True(metrics.Count > 0);
Assert.Contains(metrics, m => m.Value.Value > 0);
performanceCounterSource.Stop();
}
public void TestMultiInstanceCounters_RepeatedCategory()
{
var config = TestUtility.GetConfig("Sources", "ProcessorCounter");
var performanceCounterSource = new PerformanceCounterSource(new PluginContext(config, NullLogger.Instance, null));
performanceCounterSource.Start();
var results = performanceCounterSource.Query(null);
var metrics = results.Data;
// 'ProcessorCounter' source has 5 counters for each processor
// the number of instances is #processor + 1 to account for the "_Total" instance
Assert.Equal(5 * (Environment.ProcessorCount + 1), metrics.Count);
performanceCounterSource.Stop();
}
public void when_querying_for_a_metric_in_a_particular_instances_then_the_instances_do_not_need_to_be_read()
{
var mockPerformanceCounter = new Mock <IPerformanceCounter>();
var mockPerformanceCounterCategoryRepository = new Mock <IPerformanceCounterCategoryRepository>();
mockPerformanceCounterCategoryRepository.Setup(m => m.GetInstances(It.IsAny <string>())).Returns(new[] { "foo" });
var source = new PerformanceCounterSource(new PerformanceCounterRegistryTestHarness(_registryDictionary, (a, b, c) => mockPerformanceCounter.Object), mockPerformanceCounterCategoryRepository.Object);
// ReSharper disable once ReturnValueOfPureMethodIsNotUsed
source.QueryValue("\\category(instance)\\counter").ToList();
mockPerformanceCounterCategoryRepository.Verify(m => m.GetInstances(It.IsAny <string>()), Times.Never);
}
public void TestPerformanceCounterSourceWithInstanceRegex()
{
var config = TestUtility.GetConfig("Sources", "PerformanceCounterWithInstanceRegex");
var performanceCounterSource = new PerformanceCounterSource(new PluginContext(config, NullLogger.Instance, null));
performanceCounterSource.Start();
var results = performanceCounterSource.Query(null);
var metrics = results.Data as ICollection <KeyValuePair <MetricKey, MetricValue> >;
Assert.True(metrics.Count > 0);
Regex instanceRegex = new Regex("^Local Area Connection\\* \\d$");
Assert.All(metrics, m => Assert.Matches(instanceRegex, m.Key.Id));
performanceCounterSource.Stop();
}
public void TestAdditionalCounters_SameInstance()
{
var config = TestUtility.GetConfig("Sources", "FirstAndAllProcessorCounter");
var performanceCounterSource = new PerformanceCounterSource(new PluginContext(config, NullLogger.Instance, null));
performanceCounterSource.Start();
var results = performanceCounterSource.Query(null);
// Assert that instance '0' has 2 counters
Assert.Equal(2, results.Data.Count(m => m.Key.Id == "0"));
// Assert that instance '_Total' has 1 counter
Assert.Equal(1, results.Data.Count(m => m.Key.Id == "_Total"));
performanceCounterSource.Stop();
}
public void TestDuplicatedInstanceInRegex(string sourceName)
{
var config = TestUtility.GetConfig("Sources", sourceName);
var performanceCounterSource = new PerformanceCounterSource(new PluginContext(config, NullLogger.Instance, null));
performanceCounterSource.Start();
var results = performanceCounterSource.Query(null);
// Assert the number of data points = #processor
Assert.Equal(Environment.ProcessorCount, results.Data.Count);
// Assert single counter for processor '0'
Assert.Equal(1, results.Data.Count(m => m.Key.Id == "0"));
performanceCounterSource.Stop();
}
public void if_a_metric_is_being_queried_for_the_first_time_it_returns_no_value()
{
var mockPerformanceCounter = new Mock <IPerformanceCounter>();
mockPerformanceCounter.Setup(m => m.NextValue()).Returns(5.0f);
var mockPerformanceCounterCategoryRepository = new Mock <IPerformanceCounterCategoryRepository>();
mockPerformanceCounterCategoryRepository.Setup(m => m.GetInstances(It.IsAny <string>())).Returns(new[] { "foo" });
var source = new PerformanceCounterSource(new PerformanceCounterRegistryTestHarness(_registryDictionary, (a, b, c) => mockPerformanceCounter.Object), mockPerformanceCounterCategoryRepository.Object);
var samples = source.QueryValue("\\category(*)\\counter").ToList();
Assert.That(samples.Count, Is.EqualTo(0));
}
public void TestLoadNonExistingInstances()
{
var config = TestUtility.GetConfig("Sources", "NonExistingInstance");
var performanceCounterSource = new PerformanceCounterSource(new PluginContext(config, NullLogger.Instance, null));
performanceCounterSource.Start();
var results = performanceCounterSource.Query(null);
Assert.Equal(2, results.Data.Count);
// Assert that instance 'a' has no counters
Assert.Equal(0, results.Data.Count(m => m.Key.Id == "a"));
// Assert that instance '0' has 2 counters
Assert.Equal(2, results.Data.Count(m => m.Key.Id == "0"));
performanceCounterSource.Stop();
}
public void if_a_metric_is_being_queried_for_the_second_time_it_returns_a_measured_value()
{
var mockPerformanceCounter = new Mock <IPerformanceCounter>();
mockPerformanceCounter.Setup(m => m.NextValue()).Returns(5.0f);
var mockPerformanceCounterCategoryRepository = new Mock <IPerformanceCounterCategoryRepository>();
mockPerformanceCounterCategoryRepository.Setup(m => m.GetInstances(It.IsAny <string>())).Returns(new[] { "foo" });
var source = new PerformanceCounterSource(new PerformanceCounterRegistryTestHarness(_registryDictionary, (a, b, c) => mockPerformanceCounter.Object), mockPerformanceCounterCategoryRepository.Object);
// ReSharper disable once ReturnValueOfPureMethodIsNotUsed
source.QueryValue("\\category(*)\\counter").ToList();
var samples = source.QueryValue("\\category(*)\\counter").ToList();
Assert.That(samples.Count, Is.EqualTo(1));
Assert.That(samples.First().Value, Is.EqualTo(5.0f));
}
