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| 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 | +} |
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