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// Copyright 2022 The OpenZipkin 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 http_test
import (
"net/http"
"testing"
"github.com/openzipkin/zipkin-go"
httpclient "github.com/openzipkin/zipkin-go/middleware/http"
"github.com/openzipkin/zipkin-go/reporter/recorder"
)
func TestHTTPClient(t *testing.T) {
t.Skip("skip test requiring internet access")
reporter := recorder.NewReporter()
defer func() {
_ = reporter.Close()
}()
ep, _ := zipkin.NewEndpoint("httpClient", "")
tracer, err := zipkin.NewTracer(reporter, zipkin.WithLocalEndpoint(ep))
if err != nil {
t.Fatalf("unable to create tracer: %+v", err)
}
clientTags := map[string]string{
"client": "testClient",
}
transportTags := map[string]string{
"conf.timeout": "default",
}
remoteEndpoint, _ := zipkin.NewEndpoint("google-service", "1.2.3.4:80")
client, err := httpclient.NewClient(
tracer,
httpclient.WithClient(&http.Client{}),
httpclient.ClientTrace(true),
httpclient.ClientTags(clientTags),
httpclient.TransportOptions(httpclient.TransportTags(transportTags)),
httpclient.WithRemoteEndpoint(remoteEndpoint),
)
if err != nil {
t.Fatalf("unable to create http client: %+v", err)
}
req, _ := http.NewRequest("GET", "https://www.google.com", nil)
res, err := client.DoWithAppSpan(req, "Get Google")
if err != nil {
t.Fatalf("unable to execute client request: %+v", err)
}
_ = res.Body.Close()
spans := reporter.Flush()
if len(spans) < 2 {
t.Errorf("Span Count want 2+, have %d", len(spans))
}
rep := spans[0].RemoteEndpoint
if rep == nil {
t.Errorf("Span remoteEndpoint must not nil")
}
if rep.ServiceName != remoteEndpoint.ServiceName {
t.Errorf("Span remoteEndpoint ServiceName want %s, have %s", remoteEndpoint.ServiceName, rep.ServiceName)
}
req, _ = http.NewRequest("GET", "https://www.google.com", nil)
res, err = client.Do(req)
if err != nil {
t.Fatalf("unable to execute client request: %+v", err)
}
_ = res.Body.Close()
spans = reporter.Flush()
if len(spans) == 0 {
t.Errorf("Span Count want 1+, have 0")
}
span := tracer.StartSpan("ParentSpan")
req, _ = http.NewRequest("GET", "http://www.google.com", nil)
ctx := zipkin.NewContext(req.Context(), span)
req = req.WithContext(ctx)
res, err = client.DoWithAppSpan(req, "ChildSpan")
if err != nil {
t.Fatalf("unable to execute client request: %+v", err)
}
_ = res.Body.Close()
}
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