mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-16 10:19:23 +02:00
486 lines
12 KiB
Go
486 lines
12 KiB
Go
// Copyright 2019, 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 testtrace_test
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import (
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"context"
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"sync"
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"testing"
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"time"
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"google.golang.org/grpc/codes"
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"go.opentelemetry.io/otel/api/core"
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"go.opentelemetry.io/otel/api/trace"
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"go.opentelemetry.io/otel/api/trace/testtrace"
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"go.opentelemetry.io/otel/internal/matchers"
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)
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func TestSpan(t *testing.T) {
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t.Run("#Tracer", func(t *testing.T) {
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t.Run("returns the tracer used to start the span", func(t *testing.T) {
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t.Parallel()
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e := matchers.NewExpecter(t)
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tracer := testtrace.NewTracer()
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_, subject := tracer.Start(context.Background(), "test")
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e.Expect(subject.Tracer()).ToEqual(tracer)
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})
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})
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t.Run("#End", func(t *testing.T) {
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t.Run("ends the span", func(t *testing.T) {
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t.Parallel()
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e := matchers.NewExpecter(t)
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tracer := testtrace.NewTracer()
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_, span := tracer.Start(context.Background(), "test")
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subject, ok := span.(*testtrace.Span)
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e.Expect(ok).ToBeTrue()
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e.Expect(subject.Ended()).ToBeFalse()
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_, ok = subject.EndTime()
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e.Expect(ok).ToBeFalse()
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start := time.Now()
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subject.End()
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end := time.Now()
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e.Expect(subject.Ended()).ToBeTrue()
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endTime, ok := subject.EndTime()
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e.Expect(ok).ToBeTrue()
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e.Expect(endTime).ToBeTemporally(matchers.AfterOrSameTime, start)
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e.Expect(endTime).ToBeTemporally(matchers.BeforeOrSameTime, end)
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})
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t.Run("only takes effect the first time it is called", func(t *testing.T) {
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t.Parallel()
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e := matchers.NewExpecter(t)
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tracer := testtrace.NewTracer()
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_, span := tracer.Start(context.Background(), "test")
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subject, ok := span.(*testtrace.Span)
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e.Expect(ok).ToBeTrue()
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subject.End()
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expectedEndTime, ok := subject.EndTime()
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e.Expect(ok).ToBeTrue()
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subject.End()
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endTime, ok := subject.EndTime()
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e.Expect(ok).ToBeTrue()
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e.Expect(endTime).ToEqual(expectedEndTime)
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})
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t.Run("uses the time from WithEndTime", func(t *testing.T) {
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t.Parallel()
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e := matchers.NewExpecter(t)
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tracer := testtrace.NewTracer()
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_, span := tracer.Start(context.Background(), "test")
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subject, ok := span.(*testtrace.Span)
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e.Expect(ok).ToBeTrue()
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expectedEndTime := time.Now().AddDate(5, 0, 0)
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subject.End(trace.WithEndTime(expectedEndTime))
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e.Expect(subject.Ended()).ToBeTrue()
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endTime, ok := subject.EndTime()
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e.Expect(ok).ToBeTrue()
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e.Expect(endTime).ToEqual(expectedEndTime)
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})
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})
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t.Run("#IsRecording", func(t *testing.T) {
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t.Run("returns true", func(t *testing.T) {
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t.Parallel()
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e := matchers.NewExpecter(t)
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tracer := testtrace.NewTracer()
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_, subject := tracer.Start(context.Background(), "test")
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e.Expect(subject.IsRecording()).ToBeTrue()
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})
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})
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t.Run("#SpanContext", func(t *testing.T) {
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t.Run("returns a valid SpanContext", func(t *testing.T) {
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t.Parallel()
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e := matchers.NewExpecter(t)
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tracer := testtrace.NewTracer()
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_, subject := tracer.Start(context.Background(), "test")
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e.Expect(subject.SpanContext().IsValid()).ToBeTrue()
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})
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t.Run("returns a consistent value", func(t *testing.T) {
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t.Parallel()
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e := matchers.NewExpecter(t)
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tracer := testtrace.NewTracer()
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_, subject := tracer.Start(context.Background(), "test")
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e.Expect(subject.SpanContext()).ToEqual(subject.SpanContext())
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})
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})
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t.Run("#Name", func(t *testing.T) {
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t.Run("returns the most recently set name on the span", func(t *testing.T) {
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t.Parallel()
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e := matchers.NewExpecter(t)
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tracer := testtrace.NewTracer()
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originalName := "test"
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_, span := tracer.Start(context.Background(), originalName)
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subject, ok := span.(*testtrace.Span)
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e.Expect(ok).ToBeTrue()
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e.Expect(subject.Name()).ToEqual(originalName)
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subject.SetName("in-between")
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newName := "new name"
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subject.SetName(newName)
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e.Expect(subject.Name()).ToEqual(newName)
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})
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t.Run("cannot be changed after the span has been ended", func(t *testing.T) {
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t.Parallel()
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e := matchers.NewExpecter(t)
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tracer := testtrace.NewTracer()
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originalName := "test"
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_, span := tracer.Start(context.Background(), originalName)
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subject, ok := span.(*testtrace.Span)
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e.Expect(ok).ToBeTrue()
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subject.End()
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subject.SetName("new name")
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e.Expect(subject.Name()).ToEqual(originalName)
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})
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})
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t.Run("#Attributes", func(t *testing.T) {
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t.Run("returns an empty map by default", func(t *testing.T) {
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t.Parallel()
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e := matchers.NewExpecter(t)
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tracer := testtrace.NewTracer()
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_, span := tracer.Start(context.Background(), "test")
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subject, ok := span.(*testtrace.Span)
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e.Expect(ok).ToBeTrue()
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e.Expect(subject.Attributes()).ToEqual(map[core.Key]core.Value{})
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})
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t.Run("returns the most recently set attributes", func(t *testing.T) {
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t.Parallel()
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e := matchers.NewExpecter(t)
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tracer := testtrace.NewTracer()
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_, span := tracer.Start(context.Background(), "test")
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subject, ok := span.(*testtrace.Span)
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e.Expect(ok).ToBeTrue()
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attr1 := core.Key("key1").String("value1")
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attr2 := core.Key("key2").String("value2")
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attr3 := core.Key("key3").String("value3")
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unexpectedAttr := attr2.Key.String("unexpected")
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subject.SetAttributes(attr1, unexpectedAttr, attr3)
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subject.SetAttributes(attr2)
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attributes := subject.Attributes()
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e.Expect(attributes[attr1.Key]).ToEqual(attr1.Value)
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e.Expect(attributes[attr2.Key]).ToEqual(attr2.Value)
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e.Expect(attributes[attr3.Key]).ToEqual(attr3.Value)
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})
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t.Run("cannot be changed after the span has been ended", func(t *testing.T) {
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t.Parallel()
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e := matchers.NewExpecter(t)
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tracer := testtrace.NewTracer()
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_, span := tracer.Start(context.Background(), "test")
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subject, ok := span.(*testtrace.Span)
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e.Expect(ok).ToBeTrue()
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expectedAttr := core.Key("key").String("value")
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subject.SetAttributes(expectedAttr)
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subject.End()
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unexpectedAttr := expectedAttr.Key.String("unexpected")
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subject.SetAttributes(unexpectedAttr)
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subject.End()
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attributes := subject.Attributes()
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e.Expect(attributes[expectedAttr.Key]).ToEqual(expectedAttr.Value)
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})
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t.Run("can be used concurrently with setter", func(t *testing.T) {
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t.Parallel()
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e := matchers.NewExpecter(t)
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tracer := testtrace.NewTracer()
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_, span := tracer.Start(context.Background(), "test")
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subject, ok := span.(*testtrace.Span)
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e.Expect(ok).ToBeTrue()
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var wg sync.WaitGroup
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wg.Add(2)
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go func() {
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defer wg.Done()
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subject.SetAttributes(core.Key("key").String("value"))
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}()
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go func() {
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defer wg.Done()
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subject.Attributes()
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}()
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wg.Wait()
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})
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})
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t.Run("#Links", func(t *testing.T) {
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t.Run("returns an empty map by default", func(t *testing.T) {
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t.Parallel()
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e := matchers.NewExpecter(t)
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tracer := testtrace.NewTracer()
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_, span := tracer.Start(context.Background(), "test")
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subject, ok := span.(*testtrace.Span)
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e.Expect(ok).ToBeTrue()
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e.Expect(len(subject.Links())).ToEqual(0)
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})
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})
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t.Run("#Events", func(t *testing.T) {
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t.Run("returns an empty slice by default", func(t *testing.T) {
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t.Parallel()
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e := matchers.NewExpecter(t)
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tracer := testtrace.NewTracer()
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_, span := tracer.Start(context.Background(), "test")
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subject, ok := span.(*testtrace.Span)
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e.Expect(ok).ToBeTrue()
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e.Expect(len(subject.Events())).ToEqual(0)
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})
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t.Run("returns all of the added events", func(t *testing.T) {
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t.Parallel()
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e := matchers.NewExpecter(t)
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tracer := testtrace.NewTracer()
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_, span := tracer.Start(context.Background(), "test")
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subject, ok := span.(*testtrace.Span)
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e.Expect(ok).ToBeTrue()
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event1Name := "event1"
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event1Attributes := []core.KeyValue{
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core.Key("event1Attr1").String("foo"),
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core.Key("event1Attr2").String("bar"),
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}
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event1Start := time.Now()
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subject.AddEvent(context.Background(), event1Name, event1Attributes...)
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event1End := time.Now()
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event2Timestamp := time.Now().AddDate(5, 0, 0)
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event2Name := "event1"
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event2Attributes := []core.KeyValue{
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core.Key("event2Attr").String("abc"),
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}
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subject.AddEventWithTimestamp(context.Background(), event2Timestamp, event2Name, event2Attributes...)
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events := subject.Events()
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e.Expect(len(events)).ToEqual(2)
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event1 := events[0]
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e.Expect(event1.Timestamp).ToBeTemporally(matchers.AfterOrSameTime, event1Start)
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e.Expect(event1.Timestamp).ToBeTemporally(matchers.BeforeOrSameTime, event1End)
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e.Expect(event1.Name).ToEqual(event1Name)
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for _, attr := range event1Attributes {
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e.Expect(event1.Attributes[attr.Key]).ToEqual(attr.Value)
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}
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event2 := events[1]
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e.Expect(event2.Timestamp).ToEqual(event2Timestamp)
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e.Expect(event2.Name).ToEqual(event2Name)
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for _, attr := range event2Attributes {
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e.Expect(event2.Attributes[attr.Key]).ToEqual(attr.Value)
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}
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})
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t.Run("cannot be changed after the span has been ended", func(t *testing.T) {
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t.Parallel()
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e := matchers.NewExpecter(t)
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tracer := testtrace.NewTracer()
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_, span := tracer.Start(context.Background(), "test")
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subject, ok := span.(*testtrace.Span)
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e.Expect(ok).ToBeTrue()
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subject.AddEvent(context.Background(), "test")
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e.Expect(len(subject.Events())).ToEqual(1)
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expectedEvent := subject.Events()[0]
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subject.End()
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subject.AddEvent(context.Background(), "should not occur")
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e.Expect(len(subject.Events())).ToEqual(1)
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e.Expect(subject.Events()[0]).ToEqual(expectedEvent)
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})
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})
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t.Run("#Status", func(t *testing.T) {
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t.Run("defaults to OK", func(t *testing.T) {
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t.Parallel()
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e := matchers.NewExpecter(t)
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tracer := testtrace.NewTracer()
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_, span := tracer.Start(context.Background(), "test")
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subject, ok := span.(*testtrace.Span)
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e.Expect(ok).ToBeTrue()
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e.Expect(subject.Status()).ToEqual(codes.OK)
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subject.End()
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e.Expect(subject.Status()).ToEqual(codes.OK)
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})
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statuses := []codes.Code{
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codes.OK,
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codes.Canceled,
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codes.Unknown,
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codes.InvalidArgument,
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codes.DeadlineExceeded,
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codes.NotFound,
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codes.AlreadyExists,
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codes.PermissionDenied,
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codes.ResourceExhausted,
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codes.FailedPrecondition,
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codes.Aborted,
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codes.OutOfRange,
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codes.Unimplemented,
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codes.Internal,
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codes.Unavailable,
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codes.DataLoss,
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codes.Unauthenticated,
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}
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for _, status := range statuses {
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t.Run("returns the most recently set status on the span", func(t *testing.T) {
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t.Parallel()
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e := matchers.NewExpecter(t)
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tracer := testtrace.NewTracer()
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_, span := tracer.Start(context.Background(), "test")
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subject, ok := span.(*testtrace.Span)
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e.Expect(ok).ToBeTrue()
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subject.SetStatus(codes.OK)
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subject.SetStatus(status)
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e.Expect(subject.Status()).ToEqual(status)
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})
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t.Run("cannot be changed after the span has been ended", func(t *testing.T) {
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t.Parallel()
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e := matchers.NewExpecter(t)
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tracer := testtrace.NewTracer()
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_, span := tracer.Start(context.Background(), "test")
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subject, ok := span.(*testtrace.Span)
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e.Expect(ok).ToBeTrue()
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originalStatus := codes.OK
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subject.SetStatus(originalStatus)
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subject.End()
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subject.SetStatus(status)
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e.Expect(subject.Status()).ToEqual(originalStatus)
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})
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}
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})
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}
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