selenium is useless, only driver needed - prepare for requesting data from it

bin/main.ml

@@ -1,13 +1,30 @@
 open Pusk.Utils
-open Pusk.Selenium_init
+open Pusk.Net
+open Pusk.Drivers
 
-let main = ()
+let main =
+  let json_payload =
+    {|
+    {
+      "capabilities": {
+        "alwaysMatch": {
+          "moz:firefoxOptions": {
+            "args": ["-headless"]
+          }
+        }
+      }
+    }
+    |}
+  in
+  let body = send_post_request "http://localhost:4444/session" json_payload in
+  print_endline (Lwt_main.run body)
+;;
 
 let () =
-  let selenium = prepare "4.9.0" (Gecko "0.33.0") in
-  let selenium_pid = run selenium in
-  print_endline (fmt "Java running in %d" selenium_pid);
+  let driver = prepare (Gecko "0.33.0") in
+  let driver_pid = run driver [] in
+  print_endline (fmt "Driver running as %d" driver_pid);
   main;
-  let closed_pid = close selenium_pid in
+  let closed_pid = close driver_pid in
   print_endline (fmt "Program %d closed!" closed_pid)
 ;;

lib/drivers.ml

@@ -15,7 +15,7 @@ let rec download uri dest =
       let uri = Uri.of_string url in
       let redirect_url = Uri.resolve "" uri uri in
       download redirect_url dest
-    | None -> Lwt.fail_with "Redirect location not found")
+    | None -> failwith "Redirect location not found")
   else if Cohttp.Code.is_success code
   then (
     print_endline "Downloading...";
@@ -28,18 +28,10 @@ let rec download uri dest =
     print_endline "Download done!";
     Lwt.return_unit)
   else
-    Lwt.fail_with
+    failwith
       ("Failed to download file. HTTP status: " ^ Cohttp.Code.string_of_status status)
 ;;
 
-let download_selenium version =
-  let url =
-    format_of_string
-      "https://github.com/SeleniumHQ/selenium/releases/download/selenium-%s/selenium-server-%s.jar"
-  in
-  download (Uri.of_string (fmt url version version)) (fmt "./selenium-%s.jar" version)
-;;
-
 let download_gecko_driver version output =
   let url =
     format_of_string
@@ -63,22 +55,24 @@ let run_program_in_background program args =
 
 type driver = Gecko of string
 
-let prepare version_selenium driver =
-  (* Gecko Driver *)
-  (match driver with
+let prepare = function
   | Gecko version_driver ->
-    if not (Sys.file_exists "geckodriver")
+    let driver = "geckodriver" in
+    if not (Sys.file_exists driver)
     then (
       let archive = fmt "./gecko-%s.tar.gz" version_driver in
       Lwt_main.run (download_gecko_driver version_driver archive);
       (* TODO: Use native version instead of relying on Unix tools *)
       let _ = Sys.command (fmt "tar xvzf %s" archive) in
-      ()));
-  (* Selenium *)
-  let selenium = fmt "selenium-%s.jar" version_selenium in
-  if not (Sys.file_exists selenium) then Lwt_main.run (download_selenium version_selenium);
-  selenium
+      ());
+    driver
+;;
+
+let run path args =
+  let pid = run_program_in_background path args in
+  (* Wait so we sure the server is up *)
+  Unix.sleepf 0.5;
+  pid
 ;;
 
-let run path = run_program_in_background "java" [ fmt "-jar %s" path; "standalone" ]
 let close pid = fst (Unix.waitpid [] pid)

lib/dune

@@ -1,4 +1,4 @@
 (library
  (name pusk)
- (modules utils selenium_init)
+ (modules utils drivers net)
  (libraries cohttp-lwt-unix))

lib/net.ml

@@ -0,0 +1,9 @@
+open Cohttp_lwt_unix
+
+let send_post_request url json =
+  let uri = Uri.of_string url in
+  let headers = Cohttp.Header.init_with "Content-Type" "application/json" in
+  let body = Cohttp_lwt.Body.of_string json in
+  Lwt.bind (Client.post ~headers ~body uri) (fun (_response, body) ->
+      (* Lwt.map (fun body_str -> response, body_str) *) Cohttp_lwt.Body.to_string body)
+;;