public void StopDependencyTrackingThrowsExceptionWithNullTelemetryClient()
{
var operationItem = new CallContextBasedOperationHolder <DependencyTelemetry>(this.telemetryClient, new DependencyTelemetry());
TelemetryClient tc = null;
tc.StopOperation(operationItem);
}
/// <summary>
/// Creates an operation object with a given telemetry item.
/// </summary>
/// <typeparam name="T">Type of the telemetry item.</typeparam>
/// <param name="telemetryClient">Telemetry client object.</param>
/// <param name="operationTelemetry">Operation to start.</param>
/// <returns>Operation item object with a new telemetry item having current start time and timestamp.</returns>
public static IOperationHolder <T> StartOperation <T>(this TelemetryClient telemetryClient, T operationTelemetry) where T : OperationTelemetry
{
if (telemetryClient == null)
{
throw new ArgumentNullException("Telemetry client cannot be null.");
}
if (operationTelemetry == null)
{
throw new ArgumentNullException("operationTelemetry cannot be null.");
}
var operationHolder = new CallContextBasedOperationHolder <T>(telemetryClient, operationTelemetry)
{
// Parent context store is assigned to operation that is used to restore call context.
ParentContext = CallContextHelpers.GetCurrentOperationContext()
};
telemetryClient.Initialize(operationTelemetry);
// Initialize operation id if it wasn't initialized by telemetry initializers
if (string.IsNullOrEmpty(operationTelemetry.Id))
{
operationTelemetry.GenerateOperationId();
}
// If the operation is not executing in the context of any other operation
// set its name and id as a context (root) operation name and id
if (string.IsNullOrEmpty(operationTelemetry.Context.Operation.Id))
{
operationTelemetry.Context.Operation.Id = operationTelemetry.Id;
}
if (string.IsNullOrEmpty(operationTelemetry.Context.Operation.Name))
{
operationTelemetry.Context.Operation.Name = operationTelemetry.Name;
}
operationTelemetry.Start();
// Update the call context to store certain fields that can be used for subsequent operations.
var operationContext = new OperationContextForCallContext();
operationContext.ParentOperationId = operationTelemetry.Id;
operationContext.RootOperationId = operationTelemetry.Context.Operation.Id;
operationContext.RootOperationName = operationTelemetry.Context.Operation.Name;
CallContextHelpers.SaveOperationContext(operationContext);
return(operationHolder);
}
public void CreatingOperationItemDoesNotThrowOnPassingValidArguments()
{
var operationItem = new CallContextBasedOperationHolder<DependencyTelemetry>(new TelemetryClient(), new DependencyTelemetry());
}
public void CreatingOperationItemWithNullTelemetryThrowsArgumentNullException()
{
var operationItem = new CallContextBasedOperationHolder<DependencyTelemetry>(new TelemetryClient(), null);
}
public void StopDependencyTrackingThrowsExceptionWithNullTelemetryClient()
{
var operationItem = new CallContextBasedOperationHolder<DependencyTelemetry>(this.telemetryClient, new DependencyTelemetry());
TelemetryClient tc = null;
tc.StopOperation(operationItem);
}
