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mirror of https://github.com/open-telemetry/opentelemetry-go.git synced 2024-12-04 09:43:23 +02:00
opentelemetry-go/trace_test.go
Tyler Yahn 1e1cc901a5
Add embedded package to trace API (#4620)
* Add trace/embedded

* Update trace impl to use trace/embedded

* Add noop pkg to replace no-op impl in trace pkg

* Use trace/embedded in global impl

* Use trace/embedded in SDK impl

* Update opencensus bridge

* Update opentracing bridge

* Add changes to changelog

* Update trace/doc.go

Co-authored-by: David Ashpole <dashpole@google.com>

---------

Co-authored-by: David Ashpole <dashpole@google.com>
2023-10-19 10:16:24 -07:00

44 lines
1.2 KiB
Go

// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package otel
import (
"testing"
"github.com/stretchr/testify/assert"
"go.opentelemetry.io/otel/trace"
"go.opentelemetry.io/otel/trace/embedded"
"go.opentelemetry.io/otel/trace/noop"
)
type testTracerProvider struct{ embedded.TracerProvider }
var _ trace.TracerProvider = &testTracerProvider{}
func (*testTracerProvider) Tracer(_ string, _ ...trace.TracerOption) trace.Tracer {
return noop.NewTracerProvider().Tracer("")
}
func TestMultipleGlobalTracerProvider(t *testing.T) {
p1 := testTracerProvider{}
p2 := noop.NewTracerProvider()
SetTracerProvider(&p1)
SetTracerProvider(p2)
got := GetTracerProvider()
assert.Equal(t, p2, got)
}