Refactor skip_if_not_root into macro

This macro can be used in tests to skip the test if it requires root to sucssfully run.

1 files changed, 15 insertions, 0 deletions

diff --git a/test/test.rs b/test/test.rs
index a72dc44a..14f63e26 100644
--- a/test/test.rs
+++ b/test/test.rs
@@ -9,6 +9,21 @@ extern crate libc;
 extern crate rand;
 extern crate tempfile;
 
+macro_rules! skip_if_not_root {
+    ($name:expr) => {
+        use nix::unistd::Uid;
+        use std;
+        use std::io::Write;
+
+        if !Uid::current().is_root() {
+            let stderr = std::io::stderr();
+            let mut handle = stderr.lock();
+            writeln!(handle, "{} requires root privileges. Skipping test.", $name).unwrap();
+            return;
+        }
+    };
+}
+
 mod sys;
 mod test_dir;
 mod test_fcntl;