public void TestJson()
{
var tracer = new DefaultTracer();
{
using var span = tracer.NewSpan("test");
Thread.Sleep(100);
{
using var span2 = tracer.NewSpan("test2");
Thread.Sleep(200);
span2.SetError(new Exception("My Error"), null);
}
}
var m = new MyModel {
AppId = "Test", Builders = tracer.TakeAll()
};
var json = m.ToJson();
var model = json.ToJsonEntity <MyModel>();
Assert.NotNull(model);
Assert.NotEmpty(model.Builders);
Assert.Equal(2, model.Builders.Length);
//Assert.Equal("test", model.Builders[0].Name);
//Assert.Equal("test2", model.Builders[1].Name);
var test2 = model.Builders.First(e => e.Name == "test2");
Assert.Equal(1, test2.ErrorSamples.Count);
}
public async void TestHttpClient()
{
var tracer = new DefaultTracer();
var http = tracer.CreateHttpClient();
http.DefaultRequestHeaders.UserAgent.ParseAdd("tracer_test v1.3");
await http.GetStringAsync("https://newlifex.com?id=1234");
await Assert.ThrowsAnyAsync <Exception>(async() =>
{
// 故意写错地址，让它抛出异常
await http.GetStringAsync("https://www.newlifexxx.com/notfound?name=stone");
});
// 取出全部跟踪数据
var bs = tracer.TakeAll();
var keys = bs.Select(e => e.Name).ToArray();
Assert.Equal(2, bs.Length);
Assert.Contains("https://newlifex.com/", keys);
Assert.Contains("https://www.newlifexxx.com/notfound", keys);
// 其中一项
var builder = bs.FirstOrDefault(e => e.Name == "https://www.newlifexxx.com/notfound");
Assert.Equal(1, builder.Total);
Assert.Equal(1, builder.Errors);
var span = builder.ErrorSamples[0];
//Assert.Equal("tracer_test v1.3", span.Tag);
Assert.Equal("/notfound?name=stone", span.Tag);
}
public void Test1()
{
var tracer = new DefaultTracer {
Log = XTrace.Log
};
DAL.GlobalTracer = tracer;
// 先删掉原来可能有的
var r0 = Role.FindByName("Stone");
r0?.Delete();
var r = new Role();
r.Name = "Stone";
r.Insert();
var r2 = Role.FindByName("Stone");
XTrace.WriteLine("FindByName: {0}", r2.ToJson());
r.Enable = true;
r.Update();
var r3 = Role.Find(Role._.Name == "STONE");
XTrace.WriteLine("Find: {0}", r3.ToJson());
r.Delete();
var n = Role.FindCount();
XTrace.WriteLine("count={0}", n);
var bs = tracer.TakeAll();
Assert.NotNull(bs);
Assert.True(bs.Length >= 3);
var keys = bs.Select(e => e.Name).ToArray();
Assert.Contains("db:Membership:Query:Role", keys);
Assert.Contains("db:Membership:SelectCount:Role", keys);
Assert.Contains("db:Membership:Insert:Role", keys);
Assert.Contains("db:Membership:Update:Role", keys);
Assert.Contains("db:Membership:Delete:Role", keys);
}
public async void TestHttp3()
{
//var tracer = NewLife.Log.DefaultTracer.Instance;
var tracer = new DefaultTracer();
var observer = new DiagnosticListenerObserver {
Tracer = tracer
};
observer.Subscribe("HttpHandlerDiagnosticListener", null, null, null);
var http = new HttpClient();
await http.GetStringAsync("http://www.newlifex.com?id=1234");
var builders = tracer.TakeAll();
Assert.Single(builders);
Assert.Single(builders[0].Samples);
Assert.Null(builders[0].ErrorSamples);
}
public void TestSamples()
{
var tracer = new DefaultTracer
{
MaxSamples = 2,
MaxErrors = 11
};
// 正常采样
for (var i = 0; i < 10; i++)
{
using var span = tracer.NewSpan("test");
}
var builder = tracer.BuildSpan("test");
var samples = builder.Samples;
Assert.NotNull(samples);
Assert.Equal(10, builder.Total);
Assert.Equal(tracer.MaxSamples, samples.Count);
Assert.NotEqual(samples[0].TraceId, samples[1].TraceId);
Assert.NotEqual(samples[0].Id, samples[1].Id);
// 异常采样
for (var i = 0; i < 20; i++)
{
using var span = tracer.NewSpan("test");
span.SetError(new Exception("My Error"), null);
}
var errors = builder.ErrorSamples;
Assert.NotNull(errors);
Assert.Equal(10 + 20, builder.Total);
Assert.Equal(tracer.MaxErrors, errors.Count);
Assert.NotEqual(errors[0].TraceId, errors[1].TraceId);
Assert.NotEqual(errors[0].Id, errors[1].Id);
var js = tracer.TakeAll().ToJson();
}
public void Test1()
{
var tracer = new DefaultTracer
{
MaxSamples = 2,
MaxErrors = 11
};
//Assert.Throws<ArgumentNullException>(() => tracer.BuildSpan(null));
// 空名称
{
var builder = tracer.BuildSpan(null);
Assert.NotNull(builder);
Assert.NotNull(builder.Name);
Assert.Empty(builder.Name);
}
// 标准用法
{
var builder = tracer.BuildSpan("test");
Assert.NotNull(builder);
Assert.Equal(tracer, builder.Tracer);
Assert.Equal("test", builder.Name);
Assert.True(builder.StartTime > 0);
Assert.Equal(0, builder.EndTime);
using var span = builder.Start();
span.Tag = "任意业务数据";
Assert.NotEmpty(span.TraceId);
Assert.NotEmpty(span.Id);
Assert.Null(span.ParentId);
Assert.Equal(DateTime.Today, span.StartTime.ToDateTime().ToLocalTime().Date);
Assert.Equal(span, DefaultSpan.Current);
Thread.Sleep(100);
span.Dispose();
Assert.Null(DefaultSpan.Current);
var cost = span.EndTime - span.StartTime;
Assert.True(cost >= 100);
Assert.Null(span.Error);
Assert.Equal(1, builder.Total);
Assert.Equal(0, builder.Errors);
Assert.Equal(cost, builder.Cost);
Assert.Equal(cost, builder.MaxCost);
Assert.Equal(cost, builder.MinCost);
}
// 快速用法
{
using var span2 = tracer.NewSpan("test2");
Thread.Sleep(200);
span2.Dispose();
var cost = span2.EndTime - span2.StartTime;
Assert.True(cost >= 200);
Assert.Null(span2.Error);
var builder2 = tracer.BuildSpan("test2");
Assert.Equal(1, builder2.Total);
Assert.Equal(0, builder2.Errors);
Assert.Equal(cost, builder2.Cost);
Assert.Equal(cost, builder2.MaxCost);
Assert.Equal(cost, builder2.MinCost);
}
var js = tracer.TakeAll().ToJson();
Assert.Contains("\"Tag\":\"任意业务数据\"", js);
}
