google.golang.org/grpc@v1.72.2/internal/testutils/envconfig.go (about)

     1  package testutils
     2  
     3  /*
     4   *
     5   * Copyright 2025 gRPC authors.
     6   *
     7   * Licensed under the Apache License, Version 2.0 (the "License");
     8   * you may not use this file except in compliance with the License.
     9   * You may obtain a copy of the License at
    10   *
    11   *     http://www.apache.org/licenses/LICENSE-2.0
    12   *
    13   * Unless required by applicable law or agreed to in writing, software
    14   * distributed under the License is distributed on an "AS IS" BASIS,
    15   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    16   * See the License for the specific language governing permissions and
    17   * limitations under the License.
    18   */
    19  
    20  import (
    21  	"testing"
    22  )
    23  
    24  // SetEnvConfig sets the value of the given variable to the specified value,
    25  // taking care of restoring the original value after the test completes.
    26  func SetEnvConfig[T any](t *testing.T, variable *T, value T) {
    27  	t.Helper()
    28  	old := *variable
    29  	t.Cleanup(func() {
    30  		*variable = old
    31  	})
    32  	*variable = value
    33  }