public static ITraceContext CreateRootContext([NotNull] string contextName, string traceId = null, bool?activate = null)
{
if (string.IsNullOrEmpty(contextName))
{
throw new InvalidOperationException("ContextName is empty");
}
InitializeIfNeeded();
if (!configProvider.GetConfig().IsEnabled)
{
return(NoOpTraceContext.Instance);
}
var isSampled = activate ?? tracingEnvironment.TraceSampler.CanSampleTrace();
if (!isSampled)
{
return(NoOpTraceContext.Instance);
}
if (string.IsNullOrEmpty(traceId))
{
traceId = TraceIdGenerator.CreateTraceId();
}
var rootContextId = TraceIdGenerator.CreateTraceContextId();
var rootContext = new RealTraceContext(traceId, rootContextId, contextName, null, tracingEnvironment, isRoot: true);
SetRealTraceContext(rootContext);
return(rootContext);
}
public void CreateChildContext_with_fixed_parent()
{
var traceId = TraceIdGenerator.CreateTraceId();
var parentContextId = TraceIdGenerator.CreateTraceContextId();
using (var childContext = Trace.CreateChildContext("Child", traceId, parentContextId))
{
childContext.Should().NotBeSameAs(NoOpTraceContext.Instance);
childContext.TraceId.Should().BeSameAs(traceId);
childContext.IsActive.Should().BeTrue();
}
}
public void ContinueContext_should_set_null_traceid_and_contextid_when_not_active()
{
var traceId = TraceIdGenerator.CreateTraceId();
var contextId = TraceIdGenerator.CreateTraceContextId();
using (var traceContext = Trace.ContinueContext(traceId, contextId, isActive: false, isRoot: false))
{
traceContext.TraceId.Should().BeSameAs(string.Empty);
traceContext.ContextId.Should().BeSameAs(string.Empty);
traceContext.IsActive.Should().Be(false);
}
}
public void ContinueContext_should_use_trace_and_context_id_from_parameter_when_active()
{
var traceId = TraceIdGenerator.CreateTraceId();
var contextId = TraceIdGenerator.CreateTraceContextId();
using (var traceContext = Trace.ContinueContext(traceId, contextId, isActive: true, isRoot: false))
{
traceContext.TraceId.Should().BeSameAs(traceId);
traceContext.ContextId.Should().BeSameAs(contextId);
traceContext.IsActive.Should().Be(true);
}
}
public void TryAdd_with_same_contextId_should_not_delete_previous()
{
var traceId = TraceIdGenerator.CreateTraceId();
var contextId = TraceIdGenerator.CreateTraceContextId();
var info1 = GenerateContextInfo(traceId, contextId);
var info2 = GenerateContextInfo(traceId, contextId);
storage.TryAdd(info1);
storage.TryAdd(info2);
storage.GetAll().Should().Equal(info1, info2);
}
public void ContinueContext_should_throw_exception_if_context_is_set_already(bool isActive)
{
var traceId = TraceIdGenerator.CreateTraceId();
var contextId = TraceIdGenerator.CreateTraceContextId();
using (var traceContext = Trace.CreateRootContext("Test"))
{
Assert.DoesNotThrow(() =>
{
using (var continueContext = Trace.ContinueContext(traceId, contextId, isActive, isRoot: false))
{
}
});
}
}