test(acp-nats): cover Display and Error::source for all TerminalWaitForExitError variants

Author: yordis

rsworkspace/crates/acp-nats/src/client/terminal_wait_for_exit.rs

@@ -365,6 +365,18 @@ mod tests {
     fn terminal_wait_for_exit_error_display() {
         let err = TerminalWaitForExitError::TimedOut;
         assert!(err.to_string().contains("Timed out"));
+        let json_err =
+            TerminalWaitForExitError::MalformedJson(serde_json::from_str::<()>("{").unwrap_err());
+        assert!(json_err.to_string().contains("malformed JSON"));
+        let params_err = TerminalWaitForExitError::InvalidParams(
+            agent_client_protocol::Error::new(-32602, "bad params"),
+        );
+        assert!(params_err.to_string().contains("invalid params"));
+        let client_err = TerminalWaitForExitError::ClientError(agent_client_protocol::Error::new(
+            -32603,
+            "client failed",
+        ));
+        assert!(client_err.to_string().contains("client error"));
     }
 
     #[test]
@@ -374,5 +386,14 @@ mod tests {
         let json_err =
             TerminalWaitForExitError::MalformedJson(serde_json::from_str::<()>("{").unwrap_err());
         assert!(json_err.source().is_some());
+        let params_err = TerminalWaitForExitError::InvalidParams(
+            agent_client_protocol::Error::new(-32602, "bad params"),
+        );
+        assert!(params_err.source().is_some());
+        let client_err = TerminalWaitForExitError::ClientError(agent_client_protocol::Error::new(
+            -32603,
+            "client failed",
+        ));
+        assert!(client_err.source().is_some());
     }
 }