public void AddsProcessCpuUsageUsesMEtric()
{
var eventListenerMock = new Mock <ISimpleEventListener>();
ConcurrentDictionary <string, MetricsData> metrics = new ConcurrentDictionary <string, MetricsData>();
const double cpuValue = 1.1;
MetricsData cpuUsage = new MetricsData()
{
Name = "cpu-usage",
Measurements = new List <Measurement>()
{
new Measurement()
{
Value = cpuValue
}
},
};
metrics.TryAdd("cpu-usage", cpuUsage);
eventListenerMock.Setup(x => x.Metrics).Returns(metrics);
var systemStatisticsProviderMock = new Mock <ISystemStatisticsProvider>();
var basicMetricsProvider = new BasicMetricsProvider(loggerMock, eventListenerMock.Object, systemStatisticsProviderMock.Object);
basicMetricsProvider.GetMetricNames().Should().Contain("process.cpu.usage");
var metric = basicMetricsProvider.GetMetricByName("process.cpu.usage");
metric.Measurements.First().Value.Should().Be(cpuValue);
}
public void AddsJvmThreadsDaemon()
{
var eventListenerMock = new Mock <ISimpleEventListener>();
ConcurrentDictionary <string, MetricsData> metrics = new ConcurrentDictionary <string, MetricsData>();
eventListenerMock.Setup(x => x.Metrics).Returns(metrics);
var systemStatisticsProviderMock = new Mock <ISystemStatisticsProvider>();
var basicMetricsProvider = new BasicMetricsProvider(loggerMock, eventListenerMock.Object, systemStatisticsProviderMock.Object);
basicMetricsProvider.GetMetricNames().Should().Contain("jvm.threads.daemon");
var metric = basicMetricsProvider.GetMetricByName("jvm.threads.daemon");
metric.Measurements.First().Value.Should().Be(0);
}
public void AddsSystemCpuCount()
{
var eventListenerMock = new Mock <ISimpleEventListener>();
ConcurrentDictionary <string, MetricsData> metrics = new ConcurrentDictionary <string, MetricsData>();
eventListenerMock.Setup(x => x.Metrics).Returns(metrics);
var systemStatisticsProviderMock = new Mock <ISystemStatisticsProvider>();
var basicMetricsProvider = new BasicMetricsProvider(loggerMock, eventListenerMock.Object, systemStatisticsProviderMock.Object);
basicMetricsProvider.GetMetricNames().Should().Contain("system.cpu.count");
var metric = basicMetricsProvider.GetMetricByName("system.cpu.count");
metric.Measurements.First().Value.Should().Be(System.Environment.ProcessorCount);
}
public void AddsProcessCpuUsageEvenIfNoMetric()
{
var eventListenerMock = new Mock <ISimpleEventListener>();
ConcurrentDictionary <string, MetricsData> metrics = new ConcurrentDictionary <string, MetricsData>();
eventListenerMock.Setup(x => x.Metrics).Returns(metrics);
var systemStatisticsProviderMock = new Mock <ISystemStatisticsProvider>();
var basicMetricsProvider = new BasicMetricsProvider(loggerMock, eventListenerMock.Object, systemStatisticsProviderMock.Object);
basicMetricsProvider.GetMetricNames().Should().Contain("process.cpu.usage");
var metric = basicMetricsProvider.GetMetricByName("process.cpu.usage");
metric.Measurements.First().Value.Should().BeGreaterOrEqualTo(0.0001);
}
public void UsesMetricsBySimpleEventListener()
{
var eventListenerMock = new Mock <ISimpleEventListener>();
ConcurrentDictionary <string, MetricsData> metrics = new ConcurrentDictionary <string, MetricsData>();
MetricsData metric = new MetricsData();
metrics.TryAdd("test", metric);
eventListenerMock.Setup(x => x.Metrics).Returns(metrics);
var systemStatisticsProviderMock = new Mock <ISystemStatisticsProvider>();
var basicMetricsProvider = new BasicMetricsProvider(loggerMock, eventListenerMock.Object, systemStatisticsProviderMock.Object);
basicMetricsProvider.GetMetricNames().Should().Contain("test");
basicMetricsProvider.GetMetricByName("test").Should().Be(metric);
}
public void AddsJvmThreadsPeak()
{
var eventListenerMock = new Mock <ISimpleEventListener>();
ConcurrentDictionary <string, MetricsData> metrics = new ConcurrentDictionary <string, MetricsData>();
eventListenerMock.Setup(x => x.Metrics).Returns(metrics);
var systemStatisticsProviderMock = new Mock <ISystemStatisticsProvider>();
var basicMetricsProvider = new BasicMetricsProvider(loggerMock, eventListenerMock.Object, systemStatisticsProviderMock.Object);
basicMetricsProvider.GetMetricNames().Should().Contain("jvm.threads.peak");
var metric = basicMetricsProvider.GetMetricByName("jvm.threads.peak");
int threadCount = Process.GetCurrentProcess().Threads.Count;
metric.Measurements.First().Value.Should().Be(threadCount);
// todo move this logic to get the threadcoun to systemstatsprovider, for easier and better test
}
public void AddsSystemCpuUsage()
{
var eventListenerMock = new Mock <ISimpleEventListener>();
ConcurrentDictionary <string, MetricsData> metrics = new ConcurrentDictionary <string, MetricsData>();
eventListenerMock.Setup(x => x.Metrics).Returns(metrics);
var systemStatisticsProviderMock = new Mock <ISystemStatisticsProvider>();
const double systemCpuUsage = 2.2;
systemStatisticsProviderMock.Setup(x => x.Metric).Returns(systemCpuUsage);
var basicMetricsProvider = new BasicMetricsProvider(loggerMock, eventListenerMock.Object, systemStatisticsProviderMock.Object);
basicMetricsProvider.GetMetricNames().Should().Contain("system.cpu.usage");
var metric = basicMetricsProvider.GetMetricByName("system.cpu.usage");
metric.Measurements.First().Value.Should().Be(systemCpuUsage);
}
public void AddsProcessUptime()
{
var eventListenerMock = new Mock <ISimpleEventListener>();
ConcurrentDictionary <string, MetricsData> metrics = new ConcurrentDictionary <string, MetricsData>();
eventListenerMock.Setup(x => x.Metrics).Returns(metrics);
var systemStatisticsProviderMock = new Mock <ISystemStatisticsProvider>();
TimeSpan uptime = new TimeSpan(0, 1, 0);
systemStatisticsProviderMock.Setup(x => x.GetProcessUptime()).Returns(uptime);
var basicMetricsProvider = new BasicMetricsProvider(loggerMock, eventListenerMock.Object, systemStatisticsProviderMock.Object);
basicMetricsProvider.GetMetricNames().Should().Contain("process.uptime");
var metric = basicMetricsProvider.GetMetricByName("process.uptime");
metric.Measurements.First().Value.Should().Be(uptime.TotalSeconds);
}
public void AddsJvmGcPause()
{
var eventListenerMock = new Mock <ISimpleEventListener>();
ConcurrentDictionary <string, MetricsData> metrics = new ConcurrentDictionary <string, MetricsData>();
eventListenerMock.Setup(x => x.Metrics).Returns(metrics);
var firstEvent = new MetricsData()
{
Name = "% Time in GC since last GC",
Measurements = new List <Measurement>()
{
new Measurement()
{
Statistic = "VALUE", Value = 50
}
},
AvailableTags = new List <AvailableTag>()
{
new AvailableTag()
{
Tag = "StandardDeviation", Values = new Dictionary <string, double> {
{ "StandardDeviation", 0.0 }
},
},
new AvailableTag()
{
Tag = "Count", Values = new Dictionary <string, double> {
{ "Count", 1.0 }
},
},
new AvailableTag()
{
Tag = "Min", Values = new Dictionary <string, double> {
{ "Min", 0.0 }
},
},
new AvailableTag()
{
Tag = "Max", Values = new Dictionary <string, double> {
{ "Max", 0.0 }
},
},
new AvailableTag()
{
Tag = "IntervalSec", Values = new Dictionary <string, double> {
{ "IntervalSec", 1.0 }
},
},
new AvailableTag()
{
Tag = "Series", Values = new Dictionary <string, double> {
{ "Series", 1000.0 }
},
},
},
};
var secondEvent = new MetricsData()
{
Name = "% Time in GC since last GC",
Measurements = new List <Measurement>()
{
new Measurement()
{
Statistic = "VALUE", Value = 25
}
},
AvailableTags = new List <AvailableTag>()
{
new AvailableTag()
{
Tag = "StandardDeviation", Values = new Dictionary <string, double> {
{ "StandardDeviation", 0.0 }
},
},
new AvailableTag()
{
Tag = "Count", Values = new Dictionary <string, double> {
{ "Count", 1.0 }
},
},
new AvailableTag()
{
Tag = "Min", Values = new Dictionary <string, double> {
{ "Min", 0.0 }
},
},
new AvailableTag()
{
Tag = "Max", Values = new Dictionary <string, double> {
{ "Max", 0.0 }
},
},
new AvailableTag()
{
Tag = "IntervalSec", Values = new Dictionary <string, double> {
{ "IntervalSec", 1.0 }
},
},
new AvailableTag()
{
Tag = "Series", Values = new Dictionary <string, double> {
{ "Series", 1000.0 }
},
},
},
};
var systemStatisticsProviderMock = new Mock <ISystemStatisticsProvider>();
systemStatisticsProviderMock.Setup(x => x.GetGCCount()).Returns(2);
var basicMetricsProvider = new BasicMetricsProvider(loggerMock, eventListenerMock.Object, systemStatisticsProviderMock.Object);
eventListenerMock.Raise(x => x.GCCollectionEvent += null, new GcTotalTimeEventArgs(firstEvent));
eventListenerMock.Raise(x => x.GCCollectionEvent += null, new GcTotalTimeEventArgs(secondEvent));
basicMetricsProvider.GetMetricNames().Should().Contain("jvm.gc.pause");
var metric = basicMetricsProvider.GetMetricByName("jvm.gc.pause");
metric.Measurements.Should().HaveCount(3);
metric.Measurements.First(x => x.Statistic == "COUNT").Value.Should().Be(2);
metric.Measurements.First(x => x.Statistic == "TOTAL_TIME").Value.Should().Be(0.75);
metric.Measurements.First(x => x.Statistic == "MAX").Value.Should().Be(0.5);
}