opentelemetry-go/internal/global/util_test.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 global

import (
	"sync"
	"testing"
)

// ResetForTest configures the test to restores the initial global state during
// its Cleanup step.
func ResetForTest(t testing.TB) {
	t.Cleanup(func() {
		globalTracer = defaultTracerValue()
		globalPropagators = defaultPropagatorsValue()
		delegateTraceOnce = sync.Once{}
		delegateTextMapPropagatorOnce = sync.Once{}
	})
}