public void ValidateMetricTelemetryItem()
{
var metrics = new List <Metric>();
using var meter = new Meter(nameof(ValidateMetricTelemetryItem));
using var provider = Sdk.CreateMeterProviderBuilder()
.AddMeter(meter.Name)
.AddInMemoryExporter(metrics)
.Build();
var doubleCounter = meter.CreateCounter <double>("TestDoubleCounter");
doubleCounter.Add(123.45);
provider.ForceFlush();
var telemetryItems = MetricHelper.OtelToAzureMonitorMetrics(new Batch <Metric>(metrics.ToArray(), 1), "testRoleName", "testRoleInstance", "00000000-0000-0000-0000-000000000000");
Assert.Single(telemetryItems);
Assert.Equal("MetricData", telemetryItems[0].Data.BaseType);
Assert.Equal("00000000-0000-0000-0000-000000000000", telemetryItems[0].InstrumentationKey);
Assert.Equal("testRoleName", telemetryItems[0].Tags[ContextTagKeys.AiCloudRole.ToString()]);
Assert.Equal("testRoleInstance", telemetryItems[0].Tags[ContextTagKeys.AiCloudRoleInstance.ToString()]);
var metricsData = (MetricsData)telemetryItems[0].Data.BaseData;
Assert.Equal(2, metricsData.Version);
Assert.Equal("TestDoubleCounter", metricsData.Metrics.First().Name);
Assert.Equal(123.45, metricsData.Metrics.First().Value);
Assert.Equal(DataPointType.Aggregation, metricsData.Metrics.First().DataPointType);
Assert.Equal(1, metricsData.Properties.Count);
Assert.Equal("60000", metricsData.Properties["_MS.AggregationIntervalMs"]);
}
