private Action <TracerBuilder> ConfigureOptions(ITracingOptions options, Action <TracerBuilder> configureTracer)
{
return(builder =>
{
Sampler sampler = null;
if (options.AlwaysSample)
{
sampler = new AlwaysOnSampler();
}
else if (options.NeverSample)
{
sampler = new AlwaysOffSampler();
}
builder.SetTracerOptions(TracerConfiguration);
if (sampler != null)
{
ConfiguredSampler = sampler;
builder.SetSampler(sampler);
}
configureTracer?.Invoke(builder);
});
}
public void ExportProcessorIgnoresActivityWhenDropped()
{
var sampler = new AlwaysOffSampler();
var processor = new TestActivityExportProcessor(new TestExporter <Activity>(_ => { }));
using var activitySource = new ActivitySource(ActivitySourceName);
using var sdk = OpenTelemetrySdk.CreateTracerProviderBuilder()
.AddSource(ActivitySourceName)
.SetSampler(sampler)
.AddProcessor(processor)
.Build();
using (var activity = activitySource.StartActivity("Activity"))
{
Assert.False(activity.IsAllDataRequested);
Assert.Equal(ActivityTraceFlags.None, activity.ActivityTraceFlags);
}
Assert.Empty(processor.ExportedItems);
}