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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package tracetest // import "go.opentelemetry.io/otel/sdk/trace/tracetest"
import (
"time"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/sdk/instrumentation"
"go.opentelemetry.io/otel/sdk/resource"
tracesdk "go.opentelemetry.io/otel/sdk/trace"
"go.opentelemetry.io/otel/trace"
)
// SpanStubs is a slice of SpanStub use for testing an SDK.
type SpanStubs []SpanStub
// SpanStubsFromReadOnlySpans returns SpanStubs populated from ro.
func SpanStubsFromReadOnlySpans(ro []tracesdk.ReadOnlySpan) SpanStubs {
if len(ro) == 0 {
return nil
}
s := make(SpanStubs, 0, len(ro))
for _, r := range ro {
s = append(s, SpanStubFromReadOnlySpan(r))
}
return s
}
// Snapshots returns s as a slice of ReadOnlySpans.
func (s SpanStubs) Snapshots() []tracesdk.ReadOnlySpan {
if len(s) == 0 {
return nil
}
ro := make([]tracesdk.ReadOnlySpan, len(s))
for i := 0; i < len(s); i++ {
ro[i] = s[i].Snapshot()
}
return ro
}
// SpanStub is a stand-in for a Span.
type SpanStub struct {
Name string
SpanContext trace.SpanContext
Parent trace.SpanContext
SpanKind trace.SpanKind
StartTime time.Time
EndTime time.Time
Attributes []attribute.KeyValue
Events []tracesdk.Event
Links []tracesdk.Link
Status tracesdk.Status
DroppedAttributes int
DroppedEvents int
DroppedLinks int
ChildSpanCount int
Resource *resource.Resource
InstrumentationScope instrumentation.Scope
// Deprecated: use InstrumentationScope instead.
InstrumentationLibrary instrumentation.Library //nolint:staticcheck // This method needs to be define for backwards compatibility
}
// SpanStubFromReadOnlySpan returns a SpanStub populated from ro.
func SpanStubFromReadOnlySpan(ro tracesdk.ReadOnlySpan) SpanStub {
if ro == nil {
return SpanStub{}
}
return SpanStub{
Name: ro.Name(),
SpanContext: ro.SpanContext(),
Parent: ro.Parent(),
SpanKind: ro.SpanKind(),
StartTime: ro.StartTime(),
EndTime: ro.EndTime(),
Attributes: ro.Attributes(),
Events: ro.Events(),
Links: ro.Links(),
Status: ro.Status(),
DroppedAttributes: ro.DroppedAttributes(),
DroppedEvents: ro.DroppedEvents(),
DroppedLinks: ro.DroppedLinks(),
ChildSpanCount: ro.ChildSpanCount(),
Resource: ro.Resource(),
InstrumentationScope: ro.InstrumentationScope(),
InstrumentationLibrary: ro.InstrumentationScope(),
}
}
// Snapshot returns a read-only copy of the SpanStub.
func (s SpanStub) Snapshot() tracesdk.ReadOnlySpan {
scopeOrLibrary := s.InstrumentationScope
if scopeOrLibrary.Name == "" && scopeOrLibrary.Version == "" && scopeOrLibrary.SchemaURL == "" {
scopeOrLibrary = s.InstrumentationLibrary
}
return spanSnapshot{
name: s.Name,
spanContext: s.SpanContext,
parent: s.Parent,
spanKind: s.SpanKind,
startTime: s.StartTime,
endTime: s.EndTime,
attributes: s.Attributes,
events: s.Events,
links: s.Links,
status: s.Status,
droppedAttributes: s.DroppedAttributes,
droppedEvents: s.DroppedEvents,
droppedLinks: s.DroppedLinks,
childSpanCount: s.ChildSpanCount,
resource: s.Resource,
instrumentationScope: scopeOrLibrary,
}
}
type spanSnapshot struct {
// Embed the interface to implement the private method.
tracesdk.ReadOnlySpan
name string
spanContext trace.SpanContext
parent trace.SpanContext
spanKind trace.SpanKind
startTime time.Time
endTime time.Time
attributes []attribute.KeyValue
events []tracesdk.Event
links []tracesdk.Link
status tracesdk.Status
droppedAttributes int
droppedEvents int
droppedLinks int
childSpanCount int
resource *resource.Resource
instrumentationScope instrumentation.Scope
}
func (s spanSnapshot) Name() string { return s.name }
func (s spanSnapshot) SpanContext() trace.SpanContext { return s.spanContext }
func (s spanSnapshot) Parent() trace.SpanContext { return s.parent }
func (s spanSnapshot) SpanKind() trace.SpanKind { return s.spanKind }
func (s spanSnapshot) StartTime() time.Time { return s.startTime }
func (s spanSnapshot) EndTime() time.Time { return s.endTime }
func (s spanSnapshot) Attributes() []attribute.KeyValue { return s.attributes }
func (s spanSnapshot) Links() []tracesdk.Link { return s.links }
func (s spanSnapshot) Events() []tracesdk.Event { return s.events }
func (s spanSnapshot) Status() tracesdk.Status { return s.status }
func (s spanSnapshot) DroppedAttributes() int { return s.droppedAttributes }
func (s spanSnapshot) DroppedLinks() int { return s.droppedLinks }
func (s spanSnapshot) DroppedEvents() int { return s.droppedEvents }
func (s spanSnapshot) ChildSpanCount() int { return s.childSpanCount }
func (s spanSnapshot) Resource() *resource.Resource { return s.resource }
func (s spanSnapshot) InstrumentationScope() instrumentation.Scope {
return s.instrumentationScope
}
func (s spanSnapshot) InstrumentationLibrary() instrumentation.Library { //nolint:staticcheck // This method needs to be define for backwards compatibility
return s.instrumentationScope
}
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