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Merge pull request #24 from lafer-fz/main
feat: Add trace ID to the response header.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| // Copyright 2022 CloudWeGo Authors. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package tracing | ||
|
|
||
| import ( | ||
| "context" | ||
| "net/http" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/cloudwego/hertz/pkg/common/test/assert" | ||
|
|
||
| "github.com/cloudwego/hertz/pkg/app" | ||
| "github.com/cloudwego/hertz/pkg/app/server" | ||
| "go.opentelemetry.io/otel" | ||
| sdktrace "go.opentelemetry.io/otel/sdk/trace" | ||
| "go.opentelemetry.io/otel/sdk/trace/tracetest" | ||
| oteltrace "go.opentelemetry.io/otel/trace" | ||
| ) | ||
|
|
||
| func TestServerMiddleware(t *testing.T) { | ||
| sr := tracetest.NewSpanRecorder() | ||
| otel.SetTracerProvider(sdktrace.NewTracerProvider(sdktrace.WithSpanProcessor(sr))) | ||
| tracer, cfg := NewServerTracer(WithCustomResponseHandler(func(c context.Context, ctx *app.RequestContext) { | ||
| ctx.Header("trace-id", oteltrace.SpanFromContext(c).SpanContext().TraceID().String()) | ||
| })) | ||
| h := server.Default(tracer, server.WithHostPorts("127.0.0.1:6666")) | ||
| h.Use(ServerMiddleware(cfg)) | ||
| h.GET("/ping", func(c context.Context, ctx *app.RequestContext) { | ||
| }) | ||
|
|
||
| go h.Spin() | ||
| time.Sleep(100 * time.Millisecond) | ||
| resp, err := http.Get("http://127.0.0.1:6666/ping") | ||
| assert.Nil(t, err) | ||
| assert.True(t, len(resp.Header.Get("trace-id")) != 0) | ||
| } |
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