public void LogMetric_WithMetric_CreatesMetricTelemetry()
{
// Arrange
const string metricName = "Request stream";
const double metricValue = 0.13;
var timestamp = DateTimeOffset.UtcNow;
var spySink = new InMemoryLogSink();
string operationId = $"operation-id-{Guid.NewGuid()}";
ILogger logger = CreateLogger(spySink, config => config.Enrich.WithProperty(ContextProperties.Correlation.OperationId, operationId));
var telemetryContext = new Dictionary <string, object>
{
["Capacity"] = "0.45"
};
logger.LogMetric(metricName, metricValue, timestamp, telemetryContext);
LogEvent logEvent = Assert.Single(spySink.CurrentLogEmits);
Assert.NotNull(logEvent);
var converter = ApplicationInsightsTelemetryConverter.Create();
// Act
IEnumerable <ITelemetry> telemetries = converter.Convert(logEvent, formatProvider: null);
// Assert
AssertDoesNotContainLogProperty(logEvent, MetricTracking.MetricLogEntry);
Assert.Collection(telemetries, telemetry =>
{
var metricTelemetry = Assert.IsType <MetricTelemetry>(telemetry);
Assert.Equal(metricName, metricTelemetry.Name);
Assert.Equal(metricValue, metricTelemetry.Sum);
Assert.Equal(timestamp, metricTelemetry.Timestamp);
AssertOperationContext(metricTelemetry, operationId);
AssertContainsTelemetryProperty(metricTelemetry, "Capacity", "0.45");
});
}
