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Move SpanContext from core package into trace
This commit is contained in:
tensorchen
249
api/trace/span_context_test.go
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249
api/trace/span_context_test.go
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@ -0,0 +1,249 @@
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// Copyright The OpenTelemetry 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 trace_test
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import (
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"testing"
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"go.opentelemetry.io/otel/api/trace"
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)
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func TestIsValid(t *testing.T) {
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for _, testcase := range []struct {
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name string
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tid trace.TraceID
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sid trace.SpanID
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want bool
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}{
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{
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name: "SpanContext.IsValid() returns true if sc has both an Trace ID and Span ID",
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tid: [16]byte{1},
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sid: [8]byte{42},
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want: true,
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}, {
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name: "SpanContext.IsValid() returns false if sc has neither an Trace ID nor Span ID",
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tid: trace.TraceID([16]byte{}),
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sid: [8]byte{},
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want: false,
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}, {
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name: "SpanContext.IsValid() returns false if sc has a Span ID but not a Trace ID",
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tid: trace.TraceID([16]byte{}),
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sid: [8]byte{42},
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want: false,
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}, {
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name: "SpanContext.IsValid() returns false if sc has a Trace ID but not a Span ID",
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tid: trace.TraceID([16]byte{1}),
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sid: [8]byte{},
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want: false,
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},
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} {
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t.Run(testcase.name, func(t *testing.T) {
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sc := trace.SpanContext{
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TraceID: testcase.tid,
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SpanID: testcase.sid,
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}
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have := sc.IsValid()
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if have != testcase.want {
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t.Errorf("Want: %v, but have: %v", testcase.want, have)
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}
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})
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}
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}
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func TestIsValidFromHex(t *testing.T) {
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for _, testcase := range []struct {
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name string
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hex string
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tid trace.TraceID
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valid bool
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}{
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{
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name: "Valid TraceID",
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tid: trace.TraceID([16]byte{128, 241, 152, 238, 86, 52, 59, 168, 100, 254, 139, 42, 87, 211, 239, 247}),
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hex: "80f198ee56343ba864fe8b2a57d3eff7",
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valid: true,
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}, {
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name: "Invalid TraceID with invalid length",
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hex: "80f198ee56343ba864fe8b2a57d3eff",
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valid: false,
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}, {
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name: "Invalid TraceID with invalid char",
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hex: "80f198ee56343ba864fe8b2a57d3efg7",
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valid: false,
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}, {
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name: "Invalid TraceID with uppercase",
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hex: "80f198ee56343ba864fe8b2a57d3efF7",
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valid: false,
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},
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} {
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t.Run(testcase.name, func(t *testing.T) {
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tid, err := trace.TraceIDFromHex(testcase.hex)
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if testcase.valid && err != nil {
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t.Errorf("Expected TraceID %s to be valid but end with error %s", testcase.hex, err.Error())
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}
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if !testcase.valid && err == nil {
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t.Errorf("Expected TraceID %s to be invalid but end no error", testcase.hex)
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}
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if tid != testcase.tid {
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t.Errorf("Want: %v, but have: %v", testcase.tid, tid)
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}
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})
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}
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}
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func TestHasTraceID(t *testing.T) {
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for _, testcase := range []struct {
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name string
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tid trace.TraceID
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want bool
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}{
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{
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name: "SpanContext.HasTraceID() returns true if both Low and High are nonzero",
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tid: trace.TraceID([16]byte{1}),
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want: true,
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}, {
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name: "SpanContext.HasTraceID() returns false if neither Low nor High are nonzero",
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tid: trace.TraceID{},
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want: false,
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},
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} {
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t.Run(testcase.name, func(t *testing.T) {
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//proto: func (sc SpanContext) HasTraceID() bool{}
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sc := trace.SpanContext{TraceID: testcase.tid}
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have := sc.HasTraceID()
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if have != testcase.want {
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t.Errorf("Want: %v, but have: %v", testcase.want, have)
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}
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})
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}
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}
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func TestHasSpanID(t *testing.T) {
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for _, testcase := range []struct {
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name string
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sc trace.SpanContext
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want bool
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}{
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{
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name: "SpanContext.HasSpanID() returns true if self.SpanID != 0",
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sc: trace.SpanContext{SpanID: [8]byte{42}},
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want: true,
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}, {
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name: "SpanContext.HasSpanID() returns false if self.SpanID == 0",
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sc: trace.SpanContext{},
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want: false,
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},
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} {
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t.Run(testcase.name, func(t *testing.T) {
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//proto: func (sc SpanContext) HasSpanID() bool {}
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have := testcase.sc.HasSpanID()
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if have != testcase.want {
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t.Errorf("Want: %v, but have: %v", testcase.want, have)
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}
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})
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}
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}
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func TestSpanContextIsSampled(t *testing.T) {
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for _, testcase := range []struct {
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name string
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sc trace.SpanContext
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want bool
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}{
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{
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name: "sampled",
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sc: trace.SpanContext{
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TraceID: trace.TraceID([16]byte{1}),
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TraceFlags: trace.TraceFlagsSampled,
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},
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want: true,
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}, {
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name: "sampled plus unused",
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sc: trace.SpanContext{
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TraceID: trace.TraceID([16]byte{1}),
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TraceFlags: trace.TraceFlagsSampled | trace.TraceFlagsUnused,
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},
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want: true,
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}, {
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name: "not sampled/default",
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sc: trace.SpanContext{TraceID: trace.TraceID{}},
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want: false,
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},
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} {
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t.Run(testcase.name, func(t *testing.T) {
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have := testcase.sc.IsSampled()
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if have != testcase.want {
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t.Errorf("Want: %v, but have: %v", testcase.want, have)
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}
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})
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}
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}
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func TestStringTraceID(t *testing.T) {
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for _, testcase := range []struct {
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name string
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tid trace.TraceID
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want string
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}{
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{
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name: "TraceID.String returns string representation of self.TraceID values > 0",
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tid: trace.TraceID([16]byte{255}),
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want: "ff000000000000000000000000000000",
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},
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{
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name: "TraceID.String returns string representation of self.TraceID values == 0",
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tid: trace.TraceID([16]byte{}),
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want: "00000000000000000000000000000000",
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},
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} {
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t.Run(testcase.name, func(t *testing.T) {
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//proto: func (t TraceID) String() string {}
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have := testcase.tid.String()
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if have != testcase.want {
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t.Errorf("Want: %s, but have: %s", testcase.want, have)
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}
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})
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}
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}
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func TestStringSpanID(t *testing.T) {
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for _, testcase := range []struct {
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name string
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sid trace.SpanID
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want string
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}{
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{
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name: "SpanID.String returns string representation of self.SpanID values > 0",
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sid: trace.SpanID([8]byte{255}),
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want: "ff00000000000000",
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},
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{
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name: "SpanID.String returns string representation of self.SpanID values == 0",
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sid: trace.SpanID([8]byte{}),
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want: "0000000000000000",
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},
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} {
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t.Run(testcase.name, func(t *testing.T) {
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//proto: func (t TraceID) String() string {}
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have := testcase.sid.String()
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if have != testcase.want {
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t.Errorf("Want: %s, but have: %s", testcase.want, have)
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}
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})
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}
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}
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