| 1 | package fsutil_test |
| 2 | |
| 3 | import ( |
| 4 | "io/fs" |
| 5 | "os" |
| 6 | "path/filepath" |
| 7 | "runtime" |
| 8 | "testing" |
| 9 | |
| 10 | "github.com/ipfs/kubo/misc/fsutil" |
| 11 | "github.com/stretchr/testify/require" |
| 12 | ) |
| 13 | |
| 14 | func TestDirWritable(t *testing.T) { |
| 15 | err := fsutil.DirWritable("") |
| 16 | require.Error(t, err) |
| 17 | |
| 18 | err = fsutil.DirWritable("~nosuchuser/tmp") |
| 19 | require.Error(t, err) |
| 20 | |
| 21 | tmpDir := t.TempDir() |
| 22 | |
| 23 | wrDir := filepath.Join(tmpDir, "readwrite") |
| 24 | err = fsutil.DirWritable(wrDir) |
| 25 | require.NoError(t, err) |
| 26 | |
| 27 | // Check that DirWritable created directory. |
| 28 | fi, err := os.Stat(wrDir) |
| 29 | require.NoError(t, err) |
| 30 | require.True(t, fi.IsDir()) |
| 31 | |
| 32 | err = fsutil.DirWritable(wrDir) |
| 33 | require.NoError(t, err) |
| 34 | |
| 35 | // If running on Windows, skip read-only directory tests. |
| 36 | if runtime.GOOS == "windows" { |
| 37 | t.SkipNow() |
| 38 | } |
| 39 | |
| 40 | roDir := filepath.Join(tmpDir, "readonly") |
| 41 | require.NoError(t, os.Mkdir(roDir, 0500)) |
| 42 | err = fsutil.DirWritable(roDir) |
| 43 | require.ErrorIs(t, err, fs.ErrPermission) |
| 44 | |
| 45 | roChild := filepath.Join(roDir, "child") |
| 46 | err = fsutil.DirWritable(roChild) |
| 47 | require.ErrorIs(t, err, fs.ErrPermission) |
| 48 | } |
| 49 | |
| 50 | func TestFileExists(t *testing.T) { |
| 51 | fileName := filepath.Join(t.TempDir(), "somefile") |
| 52 | require.False(t, fsutil.FileExists(fileName)) |
| 53 | |
| 54 | file, err := os.Create(fileName) |
| 55 | require.NoError(t, err) |
| 56 | file.Close() |
| 57 | |
| 58 | require.True(t, fsutil.FileExists(fileName)) |
| 59 | } |
| 60 | |
| 61 | func TestExpandHome(t *testing.T) { |
| 62 | dir, err := fsutil.ExpandHome("") |
| 63 | require.NoError(t, err) |
| 64 | require.Equal(t, "", dir) |
| 65 | |
| 66 | origDir := filepath.Join("somedir", "somesub") |
| 67 | dir, err = fsutil.ExpandHome(origDir) |
| 68 | require.NoError(t, err) |
| 69 | require.Equal(t, origDir, dir) |
| 70 | |
| 71 | _, err = fsutil.ExpandHome(filepath.FromSlash("~nosuchuser/somedir")) |
| 72 | require.Error(t, err) |
| 73 | |
| 74 | homeEnv := "HOME" |
| 75 | if runtime.GOOS == "windows" { |
| 76 | homeEnv = "USERPROFILE" |
| 77 | } |
| 78 | origHome := os.Getenv(homeEnv) |
| 79 | defer os.Setenv(homeEnv, origHome) |
| 80 | homeDir := filepath.Join(t.TempDir(), "testhome") |
| 81 | os.Setenv(homeEnv, homeDir) |
| 82 | |
| 83 | const subDir = "mytmp" |
| 84 | origDir = filepath.Join("~", subDir) |
| 85 | dir, err = fsutil.ExpandHome(origDir) |
| 86 | require.NoError(t, err) |
| 87 | require.Equal(t, filepath.Join(homeDir, subDir), dir) |
| 88 | |
| 89 | os.Unsetenv(homeEnv) |
| 90 | _, err = fsutil.ExpandHome(origDir) |
| 91 | require.Error(t, err) |
| 92 | } |