Share lifecycle helpers for node processes

testing-framework/core/src/nodes/common/lifecycle/kill.rs

@@ -0,0 +1,8 @@
+#![allow(dead_code)]
+
+use std::process::Child;
+
+/// Shared cleanup helpers for child processes.
+pub fn kill_child(child: &mut Child) {
+    let _ = child.kill();
+}

testing-framework/core/src/nodes/common/lifecycle/lifecycle.rs

@@ -0,0 +1,8 @@
+#![allow(dead_code)]
+
+use std::process::Child;
+
+/// Shared lifecycle hooks (placeholder).
+pub fn kill_child(child: &mut Child) {
+    let _ = child.kill();
+}

testing-framework/core/src/nodes/common/lifecycle/mod.rs

@@ -1,3 +1,4 @@
 pub mod cleanup;
+pub mod kill;
 pub mod monitor;
 pub mod spawn;

testing-framework/core/src/nodes/common/lifecycle/monitor.rs

@@ -1,4 +1,11 @@
 #![allow(dead_code)]
 
-/// Shared monitoring helpers (placeholder).
-pub struct Monitor;
+use std::process::Child;
+
+/// Check if a child process is still running.
+pub fn is_running(child: &mut Child) -> bool {
+    match child.try_wait() {
+        Ok(None) => true,
+        Ok(Some(_)) | Err(_) => false,
+    }
+}

testing-framework/core/src/nodes/executor.rs

@@ -31,6 +31,7 @@ use crate::{
         common::{
             binary::{BinaryConfig, BinaryResolver},
             config::{injection::inject_ibd_into_cryptarchia, paths::ensure_recovery_paths},
+            lifecycle::kill::kill_child,
         },
     },
 };
@@ -62,9 +63,7 @@ impl Drop for Executor {
             println!("failed to persist tempdir: {e}");
         }
 
-        if let Err(e) = self.child.kill() {
-            println!("failed to kill the child process: {e}");
-        }
+        kill_child(&mut self.child);
     }
 }
 

testing-framework/core/src/nodes/validator.rs

@@ -30,6 +30,7 @@ use crate::{
         common::{
             binary::{BinaryConfig, BinaryResolver},
             config::{injection::inject_ibd_into_cryptarchia, paths::ensure_recovery_paths},
+            lifecycle::kill::kill_child,
         },
     },
 };
@@ -66,19 +67,14 @@ impl Drop for Validator {
             println!("failed to persist tempdir: {e}");
         }
 
-        if let Err(e) = self.child.kill() {
-            println!("failed to kill the child process: {e}");
-        }
+        kill_child(&mut self.child);
     }
 }
 
 impl Validator {
     /// Check if the validator process is still running
     pub fn is_running(&mut self) -> bool {
-        match self.child.try_wait() {
-            Ok(None) => true,
-            Ok(Some(_)) | Err(_) => false,
-        }
+        crate::nodes::common::lifecycle::monitor::is_running(&mut self.child)
     }
 
     /// Wait for the validator process to exit, with a timeout