Rust Plugin add Rule matcher test (#3230)

plugins/wasm-rust/example/wrapper-say-hello/src/lib.rs

@@ -35,7 +35,6 @@ struct SayHelloRoot {
 }
 
 struct SayHello {
-    rule_matcher: SharedRuleMatcher<SayHelloConfig>,
     log: Log,
     config: Option<Rc<SayHelloConfig>>,
     weak: Weak<RefCell<Box<dyn HttpContextWrapper<SayHelloConfig>>>>,
@@ -43,6 +42,7 @@ struct SayHello {
 
 #[derive(Default, Debug, Deserialize, Clone)]
 struct SayHelloConfig {
+    #[serde(default)]
     name: String,
 }
 
@@ -92,7 +92,6 @@ impl RootContextWrapper<SayHelloConfig> for SayHelloRoot {
         Some(Box::new(SayHello {
             log: Log::new(PLUGIN_NAME.to_string()),
             config: None,
-            rule_matcher: Rc::new(RefCell::new(RuleMatcher::default())),
             weak: Default::default(),
         }))
     }
@@ -122,20 +121,15 @@ impl HttpContextWrapper<SayHelloConfig> for SayHello {
         &mut self,
         _headers: &multimap::MultiMap<String, String>,
     ) -> HeaderAction {
-        let binding = self.rule_matcher.borrow();
+        if let Some(config) = &self.config {
-        let config = match binding.get_match_config() {
-            None => {
-                self.send_http_response(200, vec![], Some("Hello, World!".as_bytes()));
-                return HeaderAction::Continue;
-            }
-            Some(config) => config.1,
-        };
-
             self.send_http_response(
                 200,
                 vec![],
                 Some(format!("Hello, {}!", config.name).as_bytes()),
             );
+        } else {
+            self.send_http_response(200, vec![], Some("Hello, World!".as_bytes()));
+        }
         HeaderAction::Continue
     }
 

plugins/wasm-rust/src/rule_matcher.rs

@@ -176,16 +176,23 @@ where
         let service_name =
             String::from_utf8(get_property(vec!["cluster_name"]).unwrap_or_default())
                 .unwrap_or_else(|_| "".to_string());
-
+        self.get_match_config_by_args(&host, &route_name, &service_name)
+    }
+    fn get_match_config_by_args(
+        &self,
+        host: &str,
+        route_name: &str,
+        service_name: &str,
+    ) -> Option<(i64, Rc<PluginConfig>)> {
         for (i, rule) in self.rule_config.iter().enumerate() {
             match rule.category {
                 Category::Host => {
-                    if self.host_match(rule, host.as_str()) {
+                    if self.host_match(rule, host) {
                         return Some((i as i64, rule.config.clone()));
                     }
                 }
                 Category::Route => {
-                    if rule.routes.contains(route_name.as_str()) {
+                    if rule.routes.contains(route_name) {
                         return Some((i as i64, rule.config.clone()));
                     }
                 }
@@ -197,7 +204,7 @@ where
                     }
                 }
                 Category::Service => {
-                    if self.service_match(rule, &service_name) {
+                    if self.service_match(rule, service_name) {
                         return Some((i as i64, rule.config.clone()));
                     }
                 }
@@ -639,6 +646,48 @@ mod tests {
         }
     }
 
+    #[test]
+    fn test_match_route_config() {
+        let mut rule: RuleMatcher<CustomConfig> = RuleMatcher::default();
+
+        let res = rule.parse_rule_config(
+            &serde_json::from_str(
+                r#"{"_rules_":[{"_match_route_":["test1","test2"],"name":"ann", "age":16}]}"#,
+            )
+            .unwrap(),
+        );
+        assert!(res.is_ok());
+        let config = rule.get_match_config_by_args("test", "test", "test");
+        assert!(config.is_none());
+        let config = rule.get_match_config_by_args("test", "test1", "test");
+        assert!(config.is_some());
+        let c = config.unwrap();
+        assert_eq!(c.1.name, "ann");
+        assert_eq!(c.1.age, 16);
+
+        let config = rule.get_match_config_by_args("test", "test2", "test");
+        assert!(config.is_some());
+        let c = config.unwrap();
+        assert_eq!(c.1.name, "ann");
+        assert_eq!(c.1.age, 16);
+    }
+
+    #[test]
+    fn test_match_route1_config() {
+        let mut rule: RuleMatcher<CustomConfig> = RuleMatcher::default();
+
+        let res = rule.parse_rule_config(
+            &serde_json::from_str(r#"{"_rules_":[{"_match_route_":["test1"]}]}"#).unwrap(),
+        );
+        assert!(res.is_ok());
+        let config = rule.get_match_config_by_args("test", "test", "test");
+        assert!(config.is_none());
+        let config = rule.get_match_config_by_args("test", "test1", "test");
+        assert!(config.is_some());
+        let c = config.unwrap();
+        assert_eq!(c.1.name, "");
+        assert_eq!(c.1.age, 0);
+    }
     #[derive(Default, Clone, Deserialize, PartialEq, Eq)]
     struct CompleteConfig {
         // global config