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fs_testutil.go
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fs_testutil.go
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package syslutil
import (
"os"
"path/filepath"
"regexp"
"runtime"
"sort"
"testing"
"github.com/spf13/afero"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// AssertFsHasExactly asserts that fs contains the given files and only
// those. All paths must start with '/'.
func AssertFsHasExactly(t *testing.T, fs afero.Fs, paths ...string) bool {
expected := make([]string, 0, len(paths))
for _, p := range paths {
expected = append(expected, MustAbsolute(t, p))
}
sort.Strings(expected)
actual := []string{}
root := MustAbsolute(t, string(os.PathSeparator))
require.NoError(t, afero.Walk(fs, root, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if !info.IsDir() {
actual = append(actual, path)
}
return nil
}))
sort.Strings(actual)
return assert.Equal(t, expected, actual)
}
func WriteToMemOverlayFs(osRoot string) (memFs, fs afero.Fs) {
memFs = NewChrootFs(afero.NewMemMapFs(), "/")
fs = afero.NewCopyOnWriteFs(NewChrootFs(afero.NewOsFs(), osRoot), memFs)
return
}
func MustAbsolute(t *testing.T, path string) string {
fullPath, err := filepath.Abs(path)
require.NoError(t, err)
return fullPath
}
func MustRelative(t *testing.T, base, target string) string {
base = MustAbsolute(t, base)
target = MustAbsolute(t, target)
rel, err := filepath.Rel(base, target)
require.NoError(t, err)
return rel
}
func BuildFolderTest(t *testing.T, fs afero.Fs, folders, files []string) {
for _, folder := range folders {
folder, err := filepath.Abs(folder)
require.NoError(t, err)
err = fs.MkdirAll(folder, os.ModeTemporary)
require.NoError(t, err)
}
for _, file := range files {
file, err := filepath.Abs(file)
require.NoError(t, err)
_, err = fs.Create(file)
require.NoError(t, err)
}
}
func HandleCRLF(text []byte) []byte {
if runtime.GOOS == "windows" {
re := regexp.MustCompile("(\r\n|\r)")
text = re.ReplaceAll(text, []byte("\n"))
}
return text
}