sys: make xattr tests integration tests

these touch files, so should use the cargo-provided tmp dir, but that is
only available to benchmarks and integration tests, not unit tests.

Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>

proxmox-sys/src/fs/xattr.rs

@@ -195,47 +195,9 @@ mod tests {
     use super::*;
 
     use std::ffi::CString;
-    use std::fs::OpenOptions;
-    use std::os::unix::io::AsRawFd;
-
-    use nix::errno::Errno;
 
     use proxmox_lang::c_str;
 
-    #[test]
-    fn test_fsetxattr_fgetxattr() {
-        let path = "./test-xattrs.txt";
-        let file = OpenOptions::new()
-            .write(true)
-            .create(true)
-            .open(&path)
-            .unwrap();
-
-        let fd = file.as_raw_fd();
-
-        assert!(fsetxattr(fd, c_str!("user.attribute0"), b"value0").is_ok());
-        assert!(fsetxattr(fd, c_str!("user.empty"), b"").is_ok());
-
-        if nix::unistd::Uid::current() != nix::unistd::ROOT {
-            assert_eq!(
-                fsetxattr(fd, c_str!("trusted.attribute0"), b"value0"),
-                Err(Errno::EPERM)
-            );
-        }
-
-        let v0 = fgetxattr(fd, c_str!("user.attribute0")).unwrap();
-        let v1 = fgetxattr(fd, c_str!("user.empty")).unwrap();
-
-        assert_eq!(v0, b"value0".as_ref());
-        assert_eq!(v1, b"".as_ref());
-        assert_eq!(
-            fgetxattr(fd, c_str!("user.attribute1")),
-            Err(Errno::ENODATA)
-        );
-
-        std::fs::remove_file(&path).unwrap();
-    }
-
     #[test]
     fn test_is_valid_xattr_name() {
         let too_long = CString::new(vec![b'a'; 265]).unwrap();

proxmox-sys/tests/xattr.rs

@@ -0,0 +1,49 @@
+use std::path::PathBuf;
+use std::fs::OpenOptions;
+use std::os::unix::io::AsRawFd;
+
+use nix::errno::Errno;
+
+use proxmox_lang::c_str;
+use proxmox_sys::fs::xattr::{fgetxattr,fsetxattr};
+
+#[test]
+fn test_fsetxattr_fgetxattr() {
+    let mut path = PathBuf::from(env!("CARGO_TARGET_TMPDIR").to_string());
+    path.push("test-xattrs.txt");
+
+    let file = OpenOptions::new()
+        .write(true)
+        .create(true)
+        .open(&path)
+        .unwrap();
+
+
+    let fd = file.as_raw_fd();
+
+    if let Err(Errno::EOPNOTSUPP) = fsetxattr(fd, c_str!("user.attribute0"), b"value0") {
+        return;
+    }
+
+    assert!(fsetxattr(fd, c_str!("user.attribute0"), b"value0").is_ok());
+    assert!(fsetxattr(fd, c_str!("user.empty"), b"").is_ok());
+
+    if nix::unistd::Uid::current() != nix::unistd::ROOT {
+        assert_eq!(
+            fsetxattr(fd, c_str!("trusted.attribute0"), b"value0"),
+            Err(Errno::EPERM)
+        );
+    }
+
+    let v0 = fgetxattr(fd, c_str!("user.attribute0")).unwrap();
+    let v1 = fgetxattr(fd, c_str!("user.empty")).unwrap();
+
+    assert_eq!(v0, b"value0".as_ref());
+    assert_eq!(v1, b"".as_ref());
+    assert_eq!(
+        fgetxattr(fd, c_str!("user.attribute1")),
+        Err(Errno::ENODATA)
+    );
+
+    std::fs::remove_file(&path).unwrap();
+}