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package fs
import (
"errors"
"os"
"testing"
)
func TestGetFSTypeOfKnownDrive(t *testing.T) {
fsType, err := GetFileSystemType("C:\\")
if err != nil {
t.Fatal(err)
}
if fsType == "" {
t.Fatal("No filesystem type name returned")
}
}
func TestGetFSTypeOfInvalidPath(t *testing.T) {
// [filepath.VolumeName] doesn't mandate that the drive letters matches [a-zA-Z].
// Instead, use non-character drive.
_, err := GetFileSystemType(`No:\`)
if !errors.Is(err, ErrInvalidPath) {
t.Fatalf("Expected `ErrInvalidPath`, got %v", err)
}
}
func TestGetFSTypeOfValidButAbsentDrive(t *testing.T) {
drive := ""
for _, letter := range "abcdefghijklmnopqrstuvwxyz" {
possibleDrive := string(letter) + ":\\"
if _, err := os.Stat(possibleDrive); os.IsNotExist(err) {
drive = possibleDrive
break
}
}
if drive == "" {
t.Skip("Every possible drive exists")
}
_, err := GetFileSystemType(drive)
if err == nil {
t.Fatalf("GetFileSystemType %s unexpectedly succeeded", drive)
}
if !os.IsNotExist(err) {
t.Fatalf("GetFileSystemType %s failed with %v, expected 'ErrNotExist' or similar", drive, err)
}
}
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