mirror of
https://github.com/Luzifer/nginx-sso.git
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75 lines
2.1 KiB
Go
75 lines
2.1 KiB
Go
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// Copyright 2018, OpenCensus Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package ochttp
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import (
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"context"
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"fmt"
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"testing"
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"go.opencensus.io/plugin/ochttp/propagation/b3"
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"go.opencensus.io/plugin/ochttp/propagation/tracecontext"
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"go.opencensus.io/trace"
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"go.opencensus.io/trace/propagation"
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)
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func TestRoundTripAllFormats(t *testing.T) {
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// TODO: test combinations of different formats for chains of calls
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formats := []propagation.HTTPFormat{
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&b3.HTTPFormat{},
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&tracecontext.HTTPFormat{},
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}
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ctx := context.Background()
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ctx, span := trace.StartSpan(ctx, "test", trace.WithSampler(trace.AlwaysSample()))
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sc := span.SpanContext()
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wantStr := fmt.Sprintf("trace_id=%x, span_id=%x, options=%d", sc.TraceID, sc.SpanID, sc.TraceOptions)
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defer span.End()
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for _, format := range formats {
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srv := httptest.NewServer(http.HandlerFunc(func(resp http.ResponseWriter, req *http.Request) {
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sc, ok := format.SpanContextFromRequest(req)
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if !ok {
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resp.WriteHeader(http.StatusBadRequest)
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}
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fmt.Fprintf(resp, "trace_id=%x, span_id=%x, options=%d", sc.TraceID, sc.SpanID, sc.TraceOptions)
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}))
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req, err := http.NewRequest("GET", srv.URL, nil)
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if err != nil {
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t.Fatal(err)
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}
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format.SpanContextToRequest(span.SpanContext(), req)
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resp, err := http.DefaultClient.Do(req)
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if err != nil {
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t.Fatal(err)
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}
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if resp.StatusCode != 200 {
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t.Fatal(resp.Status)
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}
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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t.Fatal(err)
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}
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resp.Body.Close()
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if got, want := string(body), wantStr; got != want {
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t.Errorf("%s; want %s", got, want)
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}
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srv.Close()
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}
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}
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