(* -*- tuareg -*- *)

#warnings "-40";;

open Dune;;
open Import;;
open Action.Infer.Outcome;;
Stdune.Path.set_build_dir (Path.Kind.of_string "_build");;

let p = Path.of_string;;
let infer (a : Action.t) =
  let x = Action.Infer.infer a in
  (List.map (Path.Set.to_list x.deps) ~f:Path.to_string,
   List.map (Path.Set.to_list x.targets) ~f:Path.to_string)
[%%expect{|
- : unit = ()
val p : ?error_loc:Usexp.Loc.t -> string -> Path.t = <fun>
val infer : Action.t -> string list * string list = <fun>
|}]

infer (Copy (p "a", p "b"));;
[%%expect{|
- : string list * string list = (["a"], ["b"])
|}]

infer (Progn
         [ Copy (p "a", p "b")
         ; Copy (p "b", p "c")
         ]);;
[%%expect{|
- : string list * string list = (["a"], ["b"; "c"])
|}]

(* CR-someday jdimino: ideally "b" should be treated as a non-buildable targets. As long
   as [rename] is not available in the DSL given to user, we don't need to care about this
   too much. *)
infer (Progn
         [ Copy (p "a", p "b")
         ; Rename (p "b", p "c")
         ]);;
[%%expect{|
- : string list * string list = (["a"], ["b"; "c"])
|}]