test(ic-http-gateway): add test to verify path and query extraction

packages/ic-http-gateway/src/protocol/handler.rs

@@ -317,3 +317,37 @@ fn handle_agent_error(error: AgentError) -> HttpGatewayResult<CanisterResponse>
         e => Err(e.into()),
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use http::Request;
+
+    #[test]
+    fn test_convert_request() {
+        let request = Request::builder()
+            .uri("http://example.com/foo/bar/baz?q=hello+world&t=1")
+            .header("Accept", "text/html")
+            .header("Accept-Encoding", "gzip, deflate, br, zstd")
+            .body(b"body".to_vec())
+            .unwrap();
+
+        let http_request = convert_request(request).unwrap();
+
+        assert_eq!(
+            http_request,
+            HttpRequest {
+                method: "GET".to_string(),
+                url: "/foo/bar/baz?q=hello+world&t=1".to_string(),
+                headers: vec![
+                    ("accept".to_string(), "text/html".to_string()),
+                    (
+                        "accept-encoding".to_string(),
+                        "gzip, deflate, br, zstd".to_string()
+                    ),
+                ],
+                body: b"body".to_vec(),
+            }
+        );
+    }
+}