Add cli test for the info command

utils/staking-miner/tests/cli.rs

@@ -1,4 +1,5 @@
 use assert_cmd::{cargo::cargo_bin, Command};
+use serde_json::{Result, Value};
 
 #[test]
 fn cli_version_works() {
@@ -10,3 +11,20 @@ fn cli_version_works() {
 
 	assert_eq!(version, format!("{} {}", crate_name, env!("CARGO_PKG_VERSION")));
 }
+
+#[test]
+fn cli_info_works() {
+	let crate_name = env!("CARGO_PKG_NAME");
+	let output = Command::new(cargo_bin(crate_name))
+		.arg("info")
+		.env("RUST_LOG", "none")
+		.output()
+		.unwrap();
+
+	assert!(output.status.success(), "command returned with non-success exit code");
+	let info = String::from_utf8_lossy(&output.stdout).trim().to_owned();
+	let v: Result<Value> = serde_json::from_str(&info);
+	let v = v.unwrap();
+	assert!(!v["spec_name"].to_string().is_empty());
+	assert!(!v["version"].to_string().is_empty());
+}