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
15package spec
16
17import (
18	"io/ioutil"
19	"os"
20	"sync"
21	"testing"
22
23	"github.com/stretchr/testify/assert"
24)
25
26var (
27	logMutex = &sync.Mutex{}
28)
29
30func TestDebug(t *testing.T) {
31	tmpFile, _ := ioutil.TempFile("", "debug-test")
32	tmpName := tmpFile.Name()
33	defer func() {
34		Debug = false
35		// mutex for -race
36		logMutex.Unlock()
37		_ = os.Remove(tmpName)
38	}()
39
40	// mutex for -race
41	logMutex.Lock()
42	Debug = true
43	debugOptions()
44	defer func() {
45		specLogger.SetOutput(os.Stdout)
46	}()
47
48	specLogger.SetOutput(tmpFile)
49
50	debugLog("A debug")
51	Debug = false
52	_ = tmpFile.Close()
53
54	flushed, _ := os.Open(tmpName)
55	buf := make([]byte, 500)
56	_, _ = flushed.Read(buf)
57	specLogger.SetOutput(os.Stdout)
58	assert.Contains(t, string(buf), "A debug")
59}
60