1 package fs
2
3 import (
4 "errors"
5 "os"
6 "testing"
7 )
8
9 func TestGetFSTypeOfKnownDrive(t *testing.T) {
10 fsType, err := GetFileSystemType("C:\\")
11 if err != nil {
12 t.Fatal(err)
13 }
14
15 if fsType == "" {
16 t.Fatal("No filesystem type name returned")
17 }
18 }
19
20 func TestGetFSTypeOfInvalidPath(t *testing.T) {
21 _, err := GetFileSystemType("7:\\")
22 if !errors.Is(err, ErrInvalidPath) {
23 t.Fatalf("Expected `ErrInvalidPath`, got %v", err)
24 }
25 }
26
27 func TestGetFSTypeOfValidButAbsentDrive(t *testing.T) {
28 drive := ""
29 for _, letter := range "abcdefghijklmnopqrstuvwxyz" {
30 possibleDrive := string(letter) + ":\\"
31 if _, err := os.Stat(possibleDrive); os.IsNotExist(err) {
32 drive = possibleDrive
33 break
34 }
35 }
36 if drive == "" {
37 t.Skip("Every possible drive exists")
38 }
39
40 _, err := GetFileSystemType(drive)
41 if err == nil {
42 t.Fatalf("GetFileSystemType %s unexpectedly succeeded", drive)
43 }
44 if !os.IsNotExist(err) {
45 t.Fatalf("GetFileSystemType %s failed with %v, expected 'ErrNotExist' or similar", drive, err)
46 }
47 }
48
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