1 use crate::*;
2 use nix::{
3 errno::Errno,
4 mount::{unmount, MntFlags, Nmount},
5 };
6 use std::{ffi::CString, fs::File, path::Path};
7 use tempfile::tempdir;
8
9 #[test]
ok()10 fn ok() {
11 require_mount!("nullfs");
12
13 let mountpoint = tempdir().unwrap();
14 let target = tempdir().unwrap();
15 let _sentry = File::create(target.path().join("sentry")).unwrap();
16
17 let fstype = CString::new("fstype").unwrap();
18 let nullfs = CString::new("nullfs").unwrap();
19 Nmount::new()
20 .str_opt(&fstype, &nullfs)
21 .str_opt_owned("fspath", mountpoint.path().to_str().unwrap())
22 .str_opt_owned("target", target.path().to_str().unwrap())
23 .nmount(MntFlags::empty())
24 .unwrap();
25
26 // Now check that the sentry is visible through the mountpoint
27 let exists = Path::exists(&mountpoint.path().join("sentry"));
28
29 // Cleanup the mountpoint before asserting
30 unmount(mountpoint.path(), MntFlags::empty()).unwrap();
31
32 assert!(exists);
33 }
34
35 #[test]
bad_fstype()36 fn bad_fstype() {
37 let mountpoint = tempdir().unwrap();
38 let target = tempdir().unwrap();
39 let _sentry = File::create(target.path().join("sentry")).unwrap();
40
41 let e = Nmount::new()
42 .str_opt_owned("fspath", mountpoint.path().to_str().unwrap())
43 .str_opt_owned("target", target.path().to_str().unwrap())
44 .nmount(MntFlags::empty())
45 .unwrap_err();
46
47 assert_eq!(e.error(), Errno::EINVAL);
48 assert_eq!(e.errmsg(), Some("Invalid fstype"));
49 }
50