libfuse_fs/
lib.rs

1// #[macro_use]
2// extern crate log;
3
4pub mod overlayfs;
5pub mod passthrough;
6mod server;
7mod util;
8
9// Test utilities (only compiled during tests)
10#[cfg(test)]
11pub mod test_utils {
12    /// Macro: unwrap result or skip test when encountering EPERM (Permission denied).
13    ///
14    /// Behavior:
15    /// - On Ok(v): returns v
16    /// - On Err(e) where e -> io::Error has raw_os_error()==EPERM (or PermissionDenied):
17    ///     * If env RUN_PRIVILEGED_TESTS=1 -> panic (treat as hard failure)
18    ///     * Else: print a line indicating skip and `return` from test (so test counted as ignored when used with #[ignore]).
19    /// - On Err(e) other than EPERM -> panic with diagnostic.
20    ///
21    /// Usage examples:
22    /// let handle = unwrap_or_skip_eperm!(some_async_call.await, "mount session");
23    #[macro_export]
24    macro_rules! unwrap_or_skip_eperm {
25        ($expr:expr, $ctx:expr) => {{
26            match $expr {
27                Ok(v) => v,
28                Err(e) => {
29                    let ioerr: std::io::Error = e.into();
30                    let is_eperm = ioerr.raw_os_error() == Some(libc::EPERM)
31                        || ioerr.kind() == std::io::ErrorKind::PermissionDenied;
32                    if is_eperm {
33                        if std::env::var("RUN_PRIVILEGED_TESTS").ok().as_deref() == Some("1") {
34                            panic!(
35                                "{} failed with EPERM while RUN_PRIVILEGED_TESTS=1: {:?}",
36                                $ctx, ioerr
37                            );
38                        } else {
39                            eprintln!("skip (EPERM) {}: {:?}", $ctx, ioerr);
40                            return;
41                        }
42                    }
43                    panic!("{} unexpected error: {:?}", $ctx, ioerr);
44                }
45            }
46        }};
47    }
48}
libfuse_fs/lib.rs

libfuse_fs/
lib.rs
