now the request check the url parsed

src/lib.rs

@@ -31,7 +31,7 @@ mod tests {
 
     #[test]
     fn simple_request() {
-        let req: Request = RequestBase::new("https://httpbin.org/");
+        let req: Request = RequestBase::new("https://httpbin.org/").unwrap();
         let resp = req.launch();
         assert_eq!(resp.status_code, StatusCode::OK);
         assert!(resp.css::<Selector>("h2")[0].html().contains("httpbin.org"));

src/request.rs

@@ -1,9 +1,11 @@
 use crate::response;
 use http::status::StatusCode;
-use url::Url;
+use url::{ParseError, Url};
 
 pub trait RequestBase {
-    fn new(url: &'static str) -> Self;
+    fn new(url: &'static str) -> Result<Self, ParseError>
+    where
+        Self: Sized;
     fn launch(&self) -> response::Response;
 }
 
@@ -13,9 +15,10 @@ pub struct Request {
 }
 
 impl RequestBase for Request {
-    fn new(url: &'static str) -> Request {
+    fn new(url: &'static str) -> Result<Request, ParseError> {
-        Request {
+        match Url::parse(url) {
-            url: Url::parse(url).unwrap(),
+            Ok(url_parsed) => Ok(Request { url: url_parsed }),
+            Err(error) => Err(error),
         }
     }