test: Added tests for new config command

tests/bin/cli_tests.rs

@@ -1,6 +1,7 @@
 use assert_cmd::prelude::*;
 use predicates::prelude::*;
 use std::fs;
+use std::os::unix::fs::PermissionsExt;
 use std::path::{Path, PathBuf};
 use std::process::{Command, Stdio};
 use tempfile::TempDir;
@@ -49,6 +50,73 @@ providers:
     fs::write(app_dir.join("config.yaml"), &cfg).unwrap();
 }
 
+#[test]
+#[cfg(unix)]
+fn cli_config_no_changes() {
+	let (td, xdg_cfg, xdg_cache) = setup_env();
+	let pw_file = td.path().join("pw.txt");
+	fs::write(&pw_file, b"pw\n").unwrap();
+	write_yaml_config(&xdg_cfg, &pw_file, None);
+
+	// Create a no-op editor script that exits successfully without modifying the file
+	let editor = td.path().join("noop-editor.sh");
+	fs::write(&editor, b"#!/bin/sh\nexit 0\n").unwrap();
+	let mut perms = fs::metadata(&editor).unwrap().permissions();
+	perms.set_mode(0o755);
+	fs::set_permissions(&editor, perms).unwrap();
+
+	let mut cmd = Command::cargo_bin("gman").unwrap();
+	cmd.env("XDG_CONFIG_HOME", &xdg_cfg)
+		.env("XDG_CACHE_HOME", &xdg_cache)
+		.env("EDITOR", &editor)
+		.arg("config");
+
+	cmd.assert()
+		.success()
+		.stdout(predicate::str::contains("No changes made to configuration"));
+}
+
+#[test]
+#[cfg(unix)]
+fn cli_config_updates_and_persists() {
+	let (td, xdg_cfg, xdg_cache) = setup_env();
+	let pw_file = td.path().join("pw.txt");
+	fs::write(&pw_file, b"pw\n").unwrap();
+	write_yaml_config(&xdg_cfg, &pw_file, None);
+
+	// Editor script appends a valid run_configs section to the YAML file
+	let editor = td.path().join("append-run-config.sh");
+	let script = r#"#!/bin/sh
+FILE="$1"
+cat >> "$FILE" <<'EOF'
+run_configs:
+  - name: echo
+    secrets: ["api_key"]
+EOF
+exit 0
+"#;
+	fs::write(&editor, script.as_bytes()).unwrap();
+	let mut perms = fs::metadata(&editor).unwrap().permissions();
+	perms.set_mode(0o755);
+	fs::set_permissions(&editor, perms).unwrap();
+
+	let mut cmd = Command::cargo_bin("gman").unwrap();
+	cmd.env("XDG_CONFIG_HOME", &xdg_cfg)
+		.env("XDG_CACHE_HOME", &xdg_cache)
+		.env("EDITOR", &editor)
+		.arg("config");
+
+	cmd.assert()
+		.success()
+		.stdout(predicate::str::contains("Configuration updated successfully"));
+
+	// Verify that the config file now contains the run_configs key
+	let cfg_path = xdg_cfg.join("gman").join("config.yml");
+	let written = fs::read_to_string(&cfg_path).expect("config file readable");
+	assert!(written.contains("run_configs:"));
+	assert!(written.contains("name: echo"));
+}
+
 #[test]
 fn cli_shows_help() {
     let (_td, cfg, cache) = setup_env();