package files

import "testing"

func TestSafeUploadName(t *testing.T) {
	t.Parallel()
	cases := map[string]bool{
		"notes.txt":           true,
		"../evil.exe":         true, // basename keeps evil.exe
		"..":                  false,
		".":                   false,
		"":                    false,
		`C:\temp\foo.txt`:     true,
	}
	for name, wantOK := range cases {
		got, err := SafeUploadName(name)
		if wantOK {
			if err != nil {
				t.Fatalf("SafeUploadName(%q) err = %v", name, err)
			}
			if got == "" || got == "." || got == ".." {
				t.Fatalf("SafeUploadName(%q) = %q", name, got)
			}
			continue
		}
		if err == nil {
			t.Fatalf("SafeUploadName(%q) = %q, want error", name, got)
		}
	}
}