public void LogDependency_WithDependency_CreatesDependencyTelemetry() { // Arrange var spySink = new InMemoryLogSink(); string operationId = $"operation-id-{Guid.NewGuid()}"; ILogger logger = CreateLogger(spySink, config => config.Enrich.WithProperty(ContextProperties.Correlation.OperationId, operationId)); string dependencyType = $"dependency-{Guid.NewGuid()}"; const int dependencyData = 10; var startTime = DateTimeOffset.UtcNow; var duration = TimeSpan.FromSeconds(5); var telemetryContext = new Dictionary <string, object> { ["CustomSetting"] = "Approved" }; logger.LogDependency(dependencyType, dependencyData, isSuccessful: true, startTime: startTime, duration: duration, context: 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, DependencyTracking.DependencyLogEntry); Assert.Collection(telemetries, telemetry => { var dependencyTelemetry = Assert.IsType <DependencyTelemetry>(telemetry); Assert.Equal(dependencyType, dependencyTelemetry.Type); Assert.Equal(dependencyData.ToString(), dependencyTelemetry.Data); Assert.Equal(startTime, dependencyTelemetry.Timestamp); Assert.Equal(duration, dependencyTelemetry.Duration); Assert.True(dependencyTelemetry.Success); AssertContainsTelemetryProperty(dependencyTelemetry, "CustomSetting", "Approved"); }); }