feat: add tests for hello and search handlers

tests/hello_handler_tests.rs

@@ -0,0 +1,23 @@
+#[cfg(test)]
+mod tests {
+    use actix_web::{http::header::ContentType, test, App};
+    use rustysearch::handlers::hello;
+
+    #[actix_web::test]
+    async fn test_index_get() {
+        let app = test::init_service(App::new().service(hello::say_hello)).await;
+        let req = test::TestRequest::default()
+            .insert_header(ContentType::plaintext())
+            .to_request();
+        let resp = test::call_service(&app, req).await;
+        assert!(resp.status().is_success());
+    }
+
+    #[actix_web::test]
+    async fn test_index_post() {
+        let app = test::init_service(App::new().service(hello::say_hello)).await;
+        let req = test::TestRequest::post().uri("/").to_request();
+        let resp = test::call_service(&app, req).await;
+        assert!(resp.status().is_client_error());
+    }
+}

tests/search_handler_tests.rs

@@ -0,0 +1,37 @@
+#[cfg(test)]
+mod tests {
+    use std::sync::Mutex;
+
+    use actix_web::{test, web, App};
+    use rustysearch::{handlers::search, search::engine::SearchEngine, types::app_state::AppStateWithSearchEngine};
+
+    #[actix_web::test]
+    async fn test_add_document_to_index() {
+        let search_engine = SearchEngine::new(1.5, 0.75);
+
+        let app_state = web::Data::new(AppStateWithSearchEngine {
+            search_engine: Mutex::new(search_engine.clone()),
+        });
+
+        let app = test::init_service(App::new()
+            .app_data(app_state.clone())
+            .route(
+                "/search/index/document",
+                web::post().to(search::add_document_to_index),
+            )
+        ).await;
+
+        let data = search::AddDocumentRequest {
+            url: "https://example.com".to_string(),
+            content: "This is an example document".to_string(),
+        };
+
+        let req = test::TestRequest::post()
+            .uri("/search/index/document")
+            .set_json(data)
+            .to_request();
+
+        let resp = test::call_service(&app, req).await;
+        assert!(resp.status() == 201);
+    }
+}