runtime-rs: Add tests for persist api for clh

Add tests to check clh struct is saved/restored correctly.

Signed-off-by: Archana Shinde <archana.m.shinde@intel.com>

src/runtime-rs/crates/hypervisor/src/ch/inner.rs

@@ -188,3 +188,43 @@ impl Persist for CloudHypervisorInner {
         Ok(ch)
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use kata_sys_util::protection::TDXDetails;
+
+    #[actix_rt::test]
+    async fn test_save_clh() {
+        let mut clh = CloudHypervisorInner::new();
+        clh.id = String::from("123456");
+        clh.netns = Some(String::from("/var/run/netns/testnet"));
+        clh.vm_path = String::from("/opt/kata/bin/cloud-hypervisor");
+        clh.run_dir = String::from("/var/run/kata-containers/") + &clh.id;
+
+        let details = TDXDetails {
+            major_version: 1,
+            minor_version: 0,
+        };
+
+        clh.guest_protection_to_use = GuestProtection::Tdx(details);
+
+        let state = clh.save().await.unwrap();
+        assert_eq!(state.id, clh.id);
+        assert_eq!(state.netns, clh.netns);
+        assert_eq!(state.vm_path, clh.vm_path);
+        assert_eq!(state.run_dir, clh.run_dir);
+        assert_eq!(state.guest_protection_to_use, clh.guest_protection_to_use);
+        assert_eq!(state.jailed, false);
+        assert_eq!(state.hypervisor_type, HYPERVISOR_NAME_CH.to_string());
+
+        let clh = CloudHypervisorInner::restore((), state.clone())
+            .await
+            .unwrap();
+        assert_eq!(clh.id, state.id);
+        assert_eq!(clh.netns, state.netns);
+        assert_eq!(clh.vm_path, state.vm_path);
+        assert_eq!(clh.run_dir, state.run_dir);
+        assert_eq!(clh.guest_protection_to_use, state.guest_protection_to_use);
+    }
+}