test(exec): extract id and ver

1 files changed, 60 insertions, 3 deletions

diff --git a/crates/rule-executor/src/processor/rule.rs b/crates/rule-executor/src/processor/rule.rs
index 8168c5a..8c23e0f 100644
--- a/crates/rule-executor/src/processor/rule.rs
+++ b/crates/rule-executor/src/processor/rule.rs
@@ -9,13 +9,70 @@ use warden_core::configuration::rule::RuleConfigurationRequest;
 use crate::state::AppHandle;
 
 pub async fn process_rule(message: Message, state: AppHandle) -> Result<()> {
-    let req = create_configuration_request(&message);
+    let req = create_configuration_request(message.subject.as_str());
 
     let rule_configuration = configuration::get_configuration(req, Arc::clone(&state)).await?;
 
     Ok(())
 }
 
-fn create_configuration_request(message: &Message) -> RuleConfigurationRequest {
-    todo!()
+fn create_configuration_request(subject: &str) -> RuleConfigurationRequest {
+    // rule.901.v1.0.0
+    let mut tokens = subject.split("rule.");
+    // rule.
+    tokens.next();
+    // 901.v1.0.0
+    let rem = tokens.next().expect("router guarantees subject");
+
+    let mut tokens = rem.split(".v");
+    let rule_id = tokens.next().expect("router guarantees subject");
+    let version = tokens.next().expect("router guarantees subject");
+
+    RuleConfigurationRequest {
+        id: rule_id.to_owned(),
+        version: version.to_owned()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_valid_subject() {
+        let subject = "rule.901.v1.0.0";
+        let req = create_configuration_request(subject);
+        assert_eq!(req.id, "901");
+        assert_eq!(req.version, "1.0.0");
+    }
+
+    #[test]
+    fn test_valid_subject_with_longer_id() {
+        let subject = "rule.12345.v2.3.4";
+        let req = create_configuration_request(subject);
+        assert_eq!(req.id, "12345");
+        assert_eq!(req.version, "2.3.4");
+    }
+
+    #[test]
+    #[should_panic(expected = "router guarantees subject")]
+    fn test_missing_rule_prefix() {
+        let subject = "901.v1.0.0"; // Missing "rule."
+        create_configuration_request(subject);
+    }
+
+    #[test]
+    #[should_panic(expected = "router guarantees subject")]
+    fn test_missing_version() {
+        let subject = "rule.901";
+        create_configuration_request(subject);
+    }
+
+    #[test]
+    fn test_different_version_format() {
+        let subject = "rule.abc.v999";
+        let req = create_configuration_request(subject);
+        assert_eq!(req.id, "abc");
+        assert_eq!(req.version, "999");
+    }
 }