forked from jaegertracing/jaeger-client-go
/
zipkin_test.go
74 lines (65 loc) · 3.1 KB
/
zipkin_test.go
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// Copyright (c) 2017 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package jaeger
import (
"testing"
"github.com/opentracing/opentracing-go/ext"
"github.com/stretchr/testify/assert"
)
func TestZipkinPropagator(t *testing.T) {
tracer, tCloser := NewTracer("x", NewConstSampler(true), NewNullReporter(), TracerOptions.ZipkinSharedRPCSpan(true))
defer tCloser.Close()
carrier := &TestZipkinSpan{}
sp := tracer.StartSpan("y")
// Note: we intentionally use string as format, as that's what TChannel would need to do
if err := tracer.Inject(sp.Context(), "zipkin-span-format", carrier); err != nil {
t.Fatalf("Inject failed: %+v", err)
}
sp1 := sp.(*Span)
assert.Equal(t, sp1.context.traceID, TraceID{Low: carrier.traceID})
assert.Equal(t, sp1.context.spanID, SpanID(carrier.spanID))
assert.Equal(t, sp1.context.parentID, SpanID(carrier.parentID))
assert.Equal(t, sp1.context.flags, carrier.flags)
sp2ctx, err := tracer.Extract("zipkin-span-format", carrier)
if err != nil {
t.Fatalf("Extract failed: %+v", err)
}
sp2 := tracer.StartSpan("x", ext.RPCServerOption(sp2ctx))
sp3 := sp2.(*Span)
assert.Equal(t, sp1.context.traceID, sp3.context.traceID)
assert.Equal(t, sp1.context.spanID, sp3.context.spanID)
assert.Equal(t, sp1.context.parentID, sp3.context.parentID)
assert.Equal(t, sp1.context.flags, sp3.context.flags)
}
// TestZipkinSpan is a mock-up of TChannel's internal Span struct
type TestZipkinSpan struct {
traceID uint64
parentID uint64
spanID uint64
flags byte
}
func (s TestZipkinSpan) TraceID() uint64 { return s.traceID }
func (s TestZipkinSpan) ParentID() uint64 { return s.parentID }
func (s TestZipkinSpan) SpanID() uint64 { return s.spanID }
func (s TestZipkinSpan) Flags() byte { return s.flags }
func (s *TestZipkinSpan) SetTraceID(traceID uint64) { s.traceID = traceID }
func (s *TestZipkinSpan) SetSpanID(spanID uint64) { s.spanID = spanID }
func (s *TestZipkinSpan) SetParentID(parentID uint64) { s.parentID = parentID }
func (s *TestZipkinSpan) SetFlags(flags byte) { s.flags = flags }