mesg: Add tool

tests/by-util/test_mesg.rs

@@ -0,0 +1,36 @@
+// This file is part of the uutils util-linux package.
+//
+// For the full copyright and license information, please view the LICENSE
+// file that was distributed with this source code.
+
+use crate::common::util::TestScenario;
+
+#[test]
+fn test_invalid_verb() {
+    new_ucmd!().arg("foo").fails().code_is(1);
+}
+
+#[test]
+#[cfg(target_family = "unix")]
+fn test_no_terminal() {
+    for args in &[vec![], vec!["y"], vec!["n"]] {
+        new_ucmd!()
+            .args(args)
+            .fails()
+            .code_is(2)
+            .stderr_contains("stdin/stdout/stderr is not a terminal");
+    }
+}
+
+#[cfg(not(target_family = "unix"))]
+mod non_unix {
+    use crate::common::util::TestScenario;
+
+    #[test]
+    fn test_fails_on_unsupported_platforms() {
+        new_ucmd!()
+            .fails()
+            .code_is(1)
+            .stderr_is("mesg: `mesg` is available only on Unix platforms.\n");
+    }
+}

tests/tests.rs

@@ -17,6 +17,10 @@ mod test_lsmem;
 #[path = "by-util/test_lslocks.rs"]
 mod test_lslocks;
 
+#[cfg(feature = "mesg")]
+#[path = "by-util/test_mesg.rs"]
+mod test_mesg;
+
 #[cfg(feature = "mountpoint")]
 #[path = "by-util/test_mountpoint.rs"]
 mod test_mountpoint;