k8s.io/kube-openapi@v0.0.0-20240228011516-70dd3763d340/pkg/validation/validate/debug_test.go (about)

     1  // Copyright 2015 go-swagger maintainers
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //    http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package validate
    16  
    17  import (
    18  	"os"
    19  	"sync"
    20  	"testing"
    21  
    22  	"github.com/stretchr/testify/assert"
    23  )
    24  
    25  var (
    26  	logMutex = &sync.Mutex{}
    27  )
    28  
    29  func TestDebug(t *testing.T) {
    30  	tmpFile, _ := os.CreateTemp("", "debug-test")
    31  	tmpName := tmpFile.Name()
    32  	defer func() {
    33  		Debug = false
    34  		// mutex for -race
    35  		logMutex.Unlock()
    36  		os.Remove(tmpName)
    37  	}()
    38  
    39  	// mutex for -race
    40  	logMutex.Lock()
    41  	Debug = true
    42  	debugOptions()
    43  	defer func() {
    44  		validateLogger.SetOutput(os.Stdout)
    45  	}()
    46  
    47  	validateLogger.SetOutput(tmpFile)
    48  
    49  	debugLog("A debug")
    50  	Debug = false
    51  	tmpFile.Close()
    52  
    53  	flushed, _ := os.Open(tmpName)
    54  	buf := make([]byte, 500)
    55  	_, _ = flushed.Read(buf)
    56  	validateLogger.SetOutput(os.Stdout)
    57  	assert.Contains(t, string(buf), "A debug")
    58  }