test: add a test cluster binary in xline-test-utils

xline-test-utils/Cargo.toml

@@ -22,4 +22,5 @@ tokio = { version = "1.0", features = [
     "fs",
     "macros",
     "net",
+    "signal",
 ] }

xline-test-utils/src/bin/test_cluster.rs

@@ -0,0 +1,19 @@
+//! The binary is to quickly setup a cluster for convenient testing
+use tokio::signal;
+use xline_test_utils::Cluster;
+
+#[tokio::main]
+async fn main() {
+    let mut cluster = Cluster::new(3).await;
+    cluster.start().await;
+
+    println!("cluster running");
+
+    for (id, addr) in cluster.addrs() {
+        println!("server id: {} addr: {}", id, addr);
+    }
+
+    if let Err(e) = signal::ctrl_c().await {
+        eprintln!("Unable to listen for shutdown signal: {e}");
+    }
+}