package daemon
 
 import (
 	"io/ioutil"
 	"os"
 	"path/filepath"
 	"testing"
 
 	"github.com/docker/docker/internal/testutil"
 	"github.com/gotestyourself/gotestyourself/fs"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
 
 // LoadOrCreateTrustKey
 func TestLoadOrCreateTrustKeyInvalidKeyFile(t *testing.T) {
 	tmpKeyFolderPath, err := ioutil.TempDir("", "api-trustkey-test")
 	require.NoError(t, err)
 	defer os.RemoveAll(tmpKeyFolderPath)
 
 	tmpKeyFile, err := ioutil.TempFile(tmpKeyFolderPath, "keyfile")
 	require.NoError(t, err)
 
 	_, err = loadOrCreateTrustKey(tmpKeyFile.Name())
 	testutil.ErrorContains(t, err, "Error loading key file")
 }
 
 func TestLoadOrCreateTrustKeyCreateKeyWhenFileDoesNotExist(t *testing.T) {
 	tmpKeyFolderPath := fs.NewDir(t, "api-trustkey-test")
 	defer tmpKeyFolderPath.Remove()
 
 	// Without the need to create the folder hierarchy
 	tmpKeyFile := tmpKeyFolderPath.Join("keyfile")
 
 	key, err := loadOrCreateTrustKey(tmpKeyFile)
 	require.NoError(t, err)
 	assert.NotNil(t, key)
 
 	_, err = os.Stat(tmpKeyFile)
 	require.NoError(t, err, "key file doesn't exist")
 }
 
 func TestLoadOrCreateTrustKeyCreateKeyWhenDirectoryDoesNotExist(t *testing.T) {
 	tmpKeyFolderPath := fs.NewDir(t, "api-trustkey-test")
 	defer tmpKeyFolderPath.Remove()
 	tmpKeyFile := tmpKeyFolderPath.Join("folder/hierarchy/keyfile")
 
 	key, err := loadOrCreateTrustKey(tmpKeyFile)
 	require.NoError(t, err)
 	assert.NotNil(t, key)
 
 	_, err = os.Stat(tmpKeyFile)
 	require.NoError(t, err, "key file doesn't exist")
 }
 
 func TestLoadOrCreateTrustKeyCreateKeyNoPath(t *testing.T) {
 	defer os.Remove("keyfile")
 	key, err := loadOrCreateTrustKey("keyfile")
 	require.NoError(t, err)
 	assert.NotNil(t, key)
 
 	_, err = os.Stat("keyfile")
 	require.NoError(t, err, "key file doesn't exist")
 }
 
 func TestLoadOrCreateTrustKeyLoadValidKey(t *testing.T) {
 	tmpKeyFile := filepath.Join("testdata", "keyfile")
 	key, err := loadOrCreateTrustKey(tmpKeyFile)
 	require.NoError(t, err)
 	expected := "AWX2:I27X:WQFX:IOMK:CNAK:O7PW:VYNB:ZLKC:CVAE:YJP2:SI4A:XXAY"
 	assert.Contains(t, key.String(), expected)
 }