public void Can_Create_RootActivityWithTraceState_From_W3C_TraceContext()
{
this.EnableListener();
var requestHeaders = new Dictionary <string, string>
{
{ TraceParentHeaderName, "00-0123456789abcdef0123456789abcdef-0123456789abcdef-01" },
{ TraceStateHeaderName, "ts1=v1,ts2=v2" },
};
var context = HttpContextHelper.GetFakeHttpContext(headers: requestHeaders);
using var rootActivity = ActivityHelper.StartAspNetActivity(new TraceContextPropagator(), context, null);
Assert.NotNull(rootActivity);
Assert.Equal(ActivityIdFormat.W3C, rootActivity.IdFormat);
Assert.Equal("00-0123456789abcdef0123456789abcdef-0123456789abcdef-01", rootActivity.ParentId);
Assert.Equal("0123456789abcdef0123456789abcdef", rootActivity.TraceId.ToHexString());
Assert.Equal("0123456789abcdef", rootActivity.ParentSpanId.ToHexString());
Assert.True(rootActivity.Recorded);
Assert.Equal("ts1=v1,ts2=v2", rootActivity.TraceStateString);
Assert.Empty(rootActivity.Baggage);
Assert.Equal(0, Baggage.Current.Count);
}
public async Task Can_Stop_Root_Activity_If_It_Is_Broken()
{
this.EnableListener();
var context = HttpContextHelper.GetFakeHttpContext();
using var root = ActivityHelper.StartAspNetActivity(this.noopTextMapPropagator, context, null);
new Activity("child").Start();
for (int i = 0; i < 2; i++)
{
await Task.Run(() =>
{
// when we enter this method, Current is 'child' activity
Activity.Current.Stop();
// here Current is 'parent', but only in this execution context
});
}
// when we return back here, in the 'parent' execution context
// Current is still 'child' activity - changes in child context (inside Task.Run)
// do not affect 'parent' context in which Task.Run is called.
// But 'child' Activity is stopped, thus consequent calls to Stop will
// not update Current
ActivityHelper.StopAspNetActivity(this.noopTextMapPropagator, root, context, null);
Assert.True(root.Duration != TimeSpan.Zero);
Assert.Null(context.Items[ActivityHelper.ContextKey]);
Assert.Null(Activity.Current);
}
public void Can_Create_RootActivity_From_W3C_Traceparent_With_Baggage()
{
this.EnableListener();
var requestHeaders = new Dictionary <string, string>
{
{ TraceParentHeaderName, "00-0123456789abcdef0123456789abcdef-0123456789abcdef-00" },
{ BaggageHeaderName, BaggageInHeader },
};
var context = HttpContextHelper.GetFakeHttpContext(headers: requestHeaders);
using var rootActivity = ActivityHelper.StartAspNetActivity(new CompositeTextMapPropagator(new TextMapPropagator[] { new TraceContextPropagator(), new BaggagePropagator() }), context, null);
Assert.NotNull(rootActivity);
Assert.Equal(ActivityIdFormat.W3C, rootActivity.IdFormat);
Assert.Equal("00-0123456789abcdef0123456789abcdef-0123456789abcdef-00", rootActivity.ParentId);
Assert.Equal("0123456789abcdef0123456789abcdef", rootActivity.TraceId.ToHexString());
Assert.Equal("0123456789abcdef", rootActivity.ParentSpanId.ToHexString());
Assert.True(rootActivity.Recorded); // note: We're not using a parent-based sampler in this test so the recorded flag of traceparent is ignored.
Assert.Null(rootActivity.TraceStateString);
Assert.Empty(rootActivity.Baggage);
Assert.Equal(2, Baggage.Current.Count);
Assert.Equal("789", Baggage.Current.GetBaggage("TestKey1"));
Assert.Equal("456", Baggage.Current.GetBaggage("TestKey2"));
ActivityHelper.StopAspNetActivity(this.noopTextMapPropagator, rootActivity, context, null);
Assert.Equal(0, Baggage.Current.Count);
}
public void Has_Started_Returns_Correctly()
{
var context = HttpContextHelper.GetFakeHttpContext();
bool result = ActivityHelper.HasStarted(context, out Activity aspNetActivity);
Assert.False(result);
Assert.Null(aspNetActivity);
context.Items[ActivityHelper.ContextKey] = ActivityHelper.StartedButNotSampledObj;
result = ActivityHelper.HasStarted(context, out aspNetActivity);
Assert.True(result);
Assert.Null(aspNetActivity);
Activity activity = new Activity(TestActivityName);
context.Items[ActivityHelper.ContextKey] = new ActivityHelper.ContextHolder {
Activity = activity
};
result = ActivityHelper.HasStarted(context, out aspNetActivity);
Assert.True(result);
Assert.NotNull(aspNetActivity);
Assert.Equal(activity, aspNetActivity);
}
public void Do_Not_Restore_Activity_When_There_Is_No_Activity_In_Context()
{
this.EnableListener();
ActivityHelper.RestoreContextIfNeeded(HttpContextHelper.GetFakeHttpContext());
Assert.Null(Activity.Current);
}
public async Task Can_Restore_Activity()
{
this.EnableListener();
var context = HttpContextHelper.GetFakeHttpContext();
using var rootActivity = ActivityHelper.StartAspNetActivity(this.noopTextMapPropagator, context, null);
rootActivity.AddTag("k1", "v1");
rootActivity.AddTag("k2", "v2");
Task testTask;
using (ExecutionContext.SuppressFlow())
{
testTask = Task.Run(() =>
{
Task.Yield();
Assert.Null(Activity.Current);
ActivityHelper.RestoreContextIfNeeded(context);
Assert.Same(Activity.Current, rootActivity);
});
}
await testTask.ConfigureAwait(false);
}
public void Can_Create_RootActivity_And_Saved_In_HttContext()
{
this.EnableListener();
var context = HttpContextHelper.GetFakeHttpContext();
var rootActivity = ActivityHelper.StartAspNetActivity(this.noopTextMapPropagator, context, null);
Assert.NotNull(rootActivity);
Assert.Same(rootActivity, context.Items[ActivityHelper.ActivityKey]);
}
public void Can_Create_RootActivity_And_Start_Activity()
{
this.EnableListener();
var context = HttpContextHelper.GetFakeHttpContext();
var rootActivity = ActivityHelper.StartAspNetActivity(this.noopTextMapPropagator, context, null);
Assert.NotNull(rootActivity);
Assert.True(!string.IsNullOrEmpty(rootActivity.Id));
}
public void Should_Not_Create_RootActivity_If_AspNetListener_Not_Enabled()
{
var context = HttpContextHelper.GetFakeHttpContext();
var rootActivity = ActivityHelper.StartAspNetActivity(this.noopTextMapPropagator, context, null);
Assert.Null(rootActivity);
Assert.Equal(ActivityHelper.StartedButNotSampledObj, context.Items[ActivityHelper.ActivityKey]);
ActivityHelper.StopAspNetActivity(this.noopTextMapPropagator, rootActivity, context, null);
Assert.Null(context.Items[ActivityHelper.ActivityKey]);
}
public void Do_Not_Restore_Activity_When_It_Is_Not_Lost()
{
this.EnableListener();
var root = new Activity("root").Start();
var context = HttpContextHelper.GetFakeHttpContext();
context.Items[ActivityHelper.ActivityKey] = root;
ActivityHelper.RestoreActivityIfNeeded(context.Items);
Assert.Equal(root, Activity.Current);
}
public void Should_Not_Create_RootActivity_If_AspNetActivity_Not_Enabled()
{
var context = HttpContextHelper.GetFakeHttpContext();
this.EnableListener(onSample: (context) => ActivitySamplingResult.None);
using var rootActivity = ActivityHelper.StartAspNetActivity(this.noopTextMapPropagator, context, null);
Assert.Null(rootActivity);
Assert.Equal(ActivityHelper.StartedButNotSampledObj, context.Items[ActivityHelper.ContextKey]);
ActivityHelper.StopAspNetActivity(this.noopTextMapPropagator, rootActivity, context, null);
Assert.Null(context.Items[ActivityHelper.ContextKey]);
}
public void Can_Stop_Root_While_Child_Is_Current()
{
this.EnableListener();
var context = HttpContextHelper.GetFakeHttpContext();
var rootActivity = ActivityHelper.StartAspNetActivity(this.noopTextMapPropagator, context, null);
var child = new Activity("child").Start();
ActivityHelper.StopAspNetActivity(this.noopTextMapPropagator, rootActivity, context, null);
Assert.True(child.Duration == TimeSpan.Zero);
Assert.NotNull(Activity.Current);
Assert.Equal(Activity.Current, child);
Assert.Null(context.Items[ActivityHelper.ActivityKey]);
}
public void Can_Stop_Activity_Without_AspNetListener_Enabled()
{
var context = HttpContextHelper.GetFakeHttpContext();
var rootActivity = new Activity(TestActivityName);
rootActivity.Start();
context.Items[ActivityHelper.ActivityKey] = rootActivity;
Thread.Sleep(100);
ActivityHelper.StopAspNetActivity(this.noopTextMapPropagator, rootActivity, context, null);
Assert.True(rootActivity.Duration != TimeSpan.Zero);
Assert.Null(rootActivity.Parent);
Assert.Null(context.Items[ActivityHelper.ActivityKey]);
}
public void Fire_Exception_Events()
{
int callbacksFired = 0;
var context = HttpContextHelper.GetFakeHttpContext();
Activity activity = new Activity(TestActivityName);
ActivityHelper.WriteActivityException(activity, context, new InvalidOperationException(), (a, c, e) => { callbacksFired++; });
ActivityHelper.WriteActivityException(null, context, new InvalidOperationException(), (a, c, e) => { callbacksFired++; });
// Callback should fire only for non-null activity
Assert.Equal(1, callbacksFired);
}
public void Can_Create_RootActivity_And_Ignore_Info_From_Request_Header_If_ParseHeaders_Is_False()
{
this.EnableListener();
var requestHeaders = new Dictionary <string, string>
{
{ TraceParentHeaderName, "00-0123456789abcdef0123456789abcdef-0123456789abcdef-01" },
};
var context = HttpContextHelper.GetFakeHttpContext(headers: requestHeaders);
var rootActivity = ActivityHelper.StartAspNetActivity(this.noopTextMapPropagator, context, null);
Assert.NotNull(rootActivity);
Assert.Null(rootActivity.ParentId);
Assert.Empty(rootActivity.Baggage);
}
public void Can_Restore_Activity()
{
this.EnableListener();
var context = HttpContextHelper.GetFakeHttpContext();
var rootActivity = ActivityHelper.StartAspNetActivity(this.noopTextMapPropagator, context, null);
rootActivity.AddTag("k1", "v1");
rootActivity.AddTag("k2", "v2");
Activity.Current = null;
ActivityHelper.RestoreActivityIfNeeded(context.Items);
Assert.Same(Activity.Current, rootActivity);
}
public void Can_Stop_Root_Activity_With_All_Children()
{
this.EnableListener();
var context = HttpContextHelper.GetFakeHttpContext();
var rootActivity = ActivityHelper.StartAspNetActivity(this.noopTextMapPropagator, context, null);
var child = new Activity("child").Start();
new Activity("grandchild").Start();
ActivityHelper.StopAspNetActivity(this.noopTextMapPropagator, rootActivity, context, null);
Assert.True(rootActivity.Duration != TimeSpan.Zero);
Assert.True(child.Duration == TimeSpan.Zero);
Assert.Null(rootActivity.Parent);
Assert.Null(context.Items[ActivityHelper.ActivityKey]);
}
public void Stop_Root_Activity_With_129_Nesting_Depth()
{
this.EnableListener();
var context = HttpContextHelper.GetFakeHttpContext();
var root = ActivityHelper.StartAspNetActivity(this.noopTextMapPropagator, context, null);
for (int i = 0; i < 129; i++)
{
new Activity("child" + i).Start();
}
// can stop any activity regardless of the stack depth
ActivityHelper.StopAspNetActivity(this.noopTextMapPropagator, root, context, null);
Assert.True(root.Duration != TimeSpan.Zero);
Assert.Null(context.Items[ActivityHelper.ActivityKey]);
Assert.NotNull(Activity.Current);
}
public void Can_Stop_Lost_Activity()
{
this.EnableListener(a =>
{
Assert.NotNull(Activity.Current);
Assert.Equal(Activity.Current, a);
Assert.Equal(TelemetryHttpModule.AspNetActivityName, Activity.Current.OperationName);
});
var context = HttpContextHelper.GetFakeHttpContext();
using var rootActivity = ActivityHelper.StartAspNetActivity(this.noopTextMapPropagator, context, null);
rootActivity.AddTag("k1", "v1");
rootActivity.AddTag("k2", "v2");
Activity.Current = null;
ActivityHelper.StopAspNetActivity(this.noopTextMapPropagator, rootActivity, context, null);
Assert.True(rootActivity.Duration != TimeSpan.Zero);
Assert.Null(Activity.Current);
Assert.Null(context.Items[ActivityHelper.ContextKey]);
}
public async Task Can_Restore_Baggage()
{
this.EnableListener();
var requestHeaders = new Dictionary <string, string>
{
{ BaggageHeaderName, BaggageInHeader },
};
var context = HttpContextHelper.GetFakeHttpContext(headers: requestHeaders);
using var rootActivity = ActivityHelper.StartAspNetActivity(new CompositeTextMapPropagator(new TextMapPropagator[] { new TraceContextPropagator(), new BaggagePropagator() }), context, null);
rootActivity.AddTag("k1", "v1");
rootActivity.AddTag("k2", "v2");
Task testTask;
using (ExecutionContext.SuppressFlow())
{
testTask = Task.Run(() =>
{
Task.Yield();
Assert.Null(Activity.Current);
Assert.Equal(0, Baggage.Current.Count);
ActivityHelper.RestoreContextIfNeeded(context);
Assert.Same(Activity.Current, rootActivity);
Assert.Empty(rootActivity.Baggage);
Assert.Equal(2, Baggage.Current.Count);
Assert.Equal("789", Baggage.Current.GetBaggage("TestKey1"));
Assert.Equal("456", Baggage.Current.GetBaggage("TestKey2"));
});
}
await testTask.ConfigureAwait(false);
}