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use crate::*;
use nix::{
errno::Errno,
mount::{unmount, MntFlags, Nmount},
};
use std::{ffi::CString, fs::File, path::Path};
use tempfile::tempdir;
#[test]
fn ok() {
require_mount!("nullfs");
let mountpoint = tempdir().unwrap();
let target = tempdir().unwrap();
let _sentry = File::create(target.path().join("sentry")).unwrap();
let fstype = CString::new("fstype").unwrap();
let nullfs = CString::new("nullfs").unwrap();
Nmount::new()
.str_opt(&fstype, &nullfs)
.str_opt_owned("fspath", mountpoint.path().to_str().unwrap())
.str_opt_owned("target", target.path().to_str().unwrap())
.nmount(MntFlags::empty())
.unwrap();
// Now check that the sentry is visible through the mountpoint
let exists = Path::exists(&mountpoint.path().join("sentry"));
// Cleanup the mountpoint before asserting
unmount(mountpoint.path(), MntFlags::empty()).unwrap();
assert!(exists);
}
#[test]
fn bad_fstype() {
let mountpoint = tempdir().unwrap();
let target = tempdir().unwrap();
let _sentry = File::create(target.path().join("sentry")).unwrap();
let e = Nmount::new()
.str_opt_owned("fspath", mountpoint.path().to_str().unwrap())
.str_opt_owned("target", target.path().to_str().unwrap())
.nmount(MntFlags::empty())
.unwrap_err();
assert_eq!(e.error(), Errno::EINVAL);
assert_eq!(e.errmsg(), Some("Invalid fstype"));
}