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|
(* This file is part of Luv, released under the MIT license. See LICENSE.md for
details, or visit https://github.com/aantron/luv/blob/master/LICENSE.md. *)
open Test_helpers
let tests = [
"process", [
"basic", `Quick, begin fun () ->
Luv.Process.spawn "echo" ["echo"; "-n"]
|> check_success_result "spawn"
|> fun p -> Luv.Handle.close p ignore;
run ()
end;
"on_exit", `Quick, begin fun () ->
let called = ref false in
let result =
Luv.Process.spawn "echo" ["echo"; "-n"]
~on_exit:begin fun process ~exit_status ~term_signal:_ ->
Alcotest.(check int64) "exit status" 0L exit_status;
Luv.Handle.close process ignore;
called := true
end
in
check_success_result "spawn" result |> ignore;
run ();
Alcotest.(check bool) "called" true !called
end;
"exception", `Quick, begin fun () ->
check_exception Exit begin fun () ->
ignore @@
check_success_result "spawn" @@
Luv.Process.spawn "echo" ["echo"; "-n"]
~on_exit:begin fun process ~exit_status:_ ~term_signal:_ ->
Luv.Handle.close process ignore;
raise Exit
end;
run ()
end
end;
"redirect to fd", `Quick, begin fun () ->
let parent_end, child_end = Unix.(socketpair PF_UNIX SOCK_STREAM) 0 in
let child_end_raw : int = Obj.magic child_end in
let parent_end_file : Luv.File.t = Obj.magic parent_end in
let parent_end = Luv.Pipe.init () |> check_success_result "pipe init" in
Luv.Pipe.open_ parent_end parent_end_file
|> check_success_result "pipe open";
Luv.Process.(spawn
"echo" ["echo"; "-n"; "foo"]
~redirect:[inherit_fd ~fd:stdout ~from_parent_fd:child_end_raw ()])
|> check_success_result "spawn"
|> fun p -> Luv.Handle.close p ignore;
Unix.close child_end;
let finished = ref false in
Luv.Stream.read_start parent_end begin fun result ->
Luv.Handle.close parent_end ignore;
check_success_result "read" result
|> Luv.Buffer.size
|> Alcotest.(check int) "byte count" 3;
finished := true
end;
run ();
Alcotest.(check bool) "finished" true !finished
end;
"redirect to stream", `Quick, begin fun () ->
let parent_end, child_end = Unix.(socketpair PF_UNIX SOCK_STREAM) 0 in
let parent_end_file : Luv.File.t = Obj.magic parent_end in
let parent_end = Luv.Pipe.init () |> check_success_result "pipe init" in
Luv.Pipe.open_ parent_end parent_end_file
|> check_success_result "pipe open";
let child_end_file : Luv.File.t = Obj.magic child_end in
let child_end = Luv.Pipe.init () |> check_success_result "pipe init" in
Luv.Pipe.open_ child_end child_end_file
|> check_success_result "pipe open";
Luv.Process.(spawn
"echo" ["echo"; "-n"; "foo"]
~redirect:[inherit_stream ~fd:stdout ~from_parent_stream:child_end ()])
|> check_success_result "spawn"
|> fun p -> Luv.Handle.close p ignore;
Luv.Handle.close child_end ignore;
let finished = ref false in
Luv.Stream.read_start parent_end begin fun result ->
Luv.Handle.close parent_end ignore;
check_success_result "read" result
|> Luv.Buffer.size
|> Alcotest.(check int) "byte count" 3;
finished := true
end;
run ();
Alcotest.(check bool) "finished" true !finished
end;
"create pipe", `Quick, begin fun () ->
let parent_end = Luv.Pipe.init () |> check_success_result "pipe init" in
Luv.Process.(spawn
"echo" ["echo"; "-n"; "foo"]
~redirect:[to_parent_pipe ~fd:stdout ~parent_pipe:parent_end ()])
|> check_success_result "spawn"
|> fun p -> Luv.Handle.close p ignore;
let finished = ref false in
Luv.Stream.read_start parent_end begin fun result ->
Luv.Handle.close parent_end ignore;
check_success_result "read" result
|> Luv.Buffer.size
|> Alcotest.(check int) "byte count" 3;
finished := true
end;
run ();
Alcotest.(check bool) "finished" true !finished
end;
"set environment variable", `Quick, begin fun () ->
let parent_end = Luv.Pipe.init () |> check_success_result "pipe init" in
Luv.Process.(spawn
"printenv" ["printenv"; "FOO"]
~environment:["FOO", "foobar"]
~redirect:[to_parent_pipe ~fd:stdout ~parent_pipe:parent_end ()])
|> check_success_result "spawn"
|> fun p -> Luv.Handle.close p ignore;
let finished = ref false in
Luv.Stream.read_start parent_end begin fun result ->
Luv.Handle.close parent_end ignore;
check_success_result "read" result
|> Luv.Buffer.size
|> Alcotest.(check int) "byte count" 7;
finished := true
end;
run ();
Alcotest.(check bool) "finished" true !finished
end;
"inherit environment", `Quick, begin fun () ->
Unix.putenv "FOO" "foobar";
Alcotest.(check string) "FOO" "foobar" (Unix.getenv "FOO");
let parent_end = Luv.Pipe.init () |> check_success_result "pipe init" in
Luv.Process.(spawn
"printenv" ["printenv"; "FOO"]
~redirect:[to_parent_pipe ~fd:stdout ~parent_pipe:parent_end ()])
|> check_success_result "spawn"
|> fun p -> Luv.Handle.close p ignore;
let finished = ref false in
Luv.Stream.read_start parent_end begin fun result ->
Luv.Handle.close parent_end ignore;
check_success_result "read" result
|> Luv.Buffer.size
|> Alcotest.(check int) "byte count" 7;
finished := true
end;
run ();
Alcotest.(check bool) "finished" true !finished;
Unix.putenv "FOO" ""
end;
"clear environment", `Quick, begin fun () ->
Unix.putenv "FOO" "foobar";
Alcotest.(check string) "FOO" "foobar" (Unix.getenv "FOO");
let parent_end = Luv.Pipe.init () |> check_success_result "pipe init" in
let exit_code = ref None in
let result =
Luv.Process.(spawn
"printenv" ["printenv"; "FOO"]
~environment:[]
~redirect:[to_parent_pipe ~fd:stdout ~parent_pipe:parent_end ()]
~on_exit:begin fun process ~exit_status ~term_signal:_ ->
Luv.Handle.close process ignore;
exit_code := Some exit_status
end)
in
check_success_result "spawn" result |> ignore;
let finished = ref false in
Luv.Stream.read_start parent_end begin fun result ->
Luv.Handle.close parent_end ignore;
check_error_result "read" `EOF result;
finished := true
end;
run ();
Alcotest.(check (option int64)) "exit code" (Some 1L) !exit_code;
Alcotest.(check bool) "finished" true !finished;
Unix.putenv "FOO" ""
end;
"set working directory", `Quick, begin fun () ->
let child_working_directory = Filename.dirname (Sys.getcwd ()) in
let parent_end = Luv.Pipe.init () |> check_success_result "pipe init" in
Luv.Process.(spawn
"pwd" ["pwd"]
~working_directory:child_working_directory
~redirect:[to_parent_pipe ~fd:stdout ~parent_pipe:parent_end ()])
|> check_success_result "spawn"
|> fun p -> Luv.Handle.close p ignore;
let finished = ref false in
Luv.Stream.read_start parent_end begin fun result ->
Luv.Handle.close parent_end ignore;
let data = check_success_result "read" result in
Luv.Buffer.sub data ~offset:0 ~length:(Luv.Buffer.size data - 1)
|> Luv.Buffer.to_string
|> Alcotest.(check string) "data" child_working_directory;
finished := true
end;
run ();
Alcotest.(check bool) "finished" true !finished
end;
"inherit working directory", `Quick, begin fun () ->
let parent_working_directory = Sys.getcwd () in
let parent_end = Luv.Pipe.init () |> check_success_result "pipe init" in
Luv.Process.(spawn
"pwd" ["pwd"]
~redirect:[to_parent_pipe ~fd:stdout ~parent_pipe:parent_end ()])
|> check_success_result "spawn"
|> fun p -> Luv.Handle.close p ignore;
let finished = ref false in
Luv.Stream.read_start parent_end begin fun result ->
Luv.Handle.close parent_end ignore;
let data = check_success_result "read" result in
Luv.Buffer.sub data ~offset:0 ~length:(Luv.Buffer.size data - 1)
|> Luv.Buffer.to_string
|> Alcotest.(check string) "data" parent_working_directory;
finished := true
end;
run ();
Alcotest.(check bool) "finished" true !finished
end;
"failure", `Quick, begin fun () ->
Luv.Process.spawn "./nonexistent" ["nonexistent"]
|> check_error_result "spawn" `ENOENT
end;
"failure handle leak", `Quick, begin fun () ->
no_memory_leak begin fun _ ->
Luv.Process.spawn "./nonexistent" ["nonexistent"]
|> check_error_result "spawn" `ENOENT;
run ()
end
end;
"failure callback leak", `Quick, begin fun () ->
let called = ref false in
no_memory_leak begin fun _ ->
Luv.Process.spawn "./nonexistent" ["nonexistent"]
~on_exit:begin fun _ ~exit_status:_ ~term_signal:_ ->
called := true
end
|> check_error_result "spawn" `ENOENT;
run ()
end;
Alcotest.(check bool) "not called" false !called
end;
"kill", `Quick, begin fun () ->
let received_signal = ref None in
let result =
Luv.Process.spawn "cat" ["cat"]
~on_exit:begin fun process ~exit_status:_ ~term_signal ->
Luv.Handle.close process ignore;
received_signal := Some term_signal
end
in
let process = check_success_result "spawn" result in
Luv.Process.kill process Luv.Signal.sighup
|> check_success_result "kill";
run ();
(* The terminating signal is sometimes reported as 0 in Travis, for
reasons not yet known to me. *)
match !received_signal with
| Some signal when signal = Luv.Signal.sighup -> ()
| Some 0 -> ()
| _ -> Alcotest.fail "Unexpected signal or signal"
end;
"pid, kill_pid", `Quick, begin fun () ->
let received_signal = ref None in
let result =
Luv.Process.spawn "cat" ["cat"]
~on_exit:begin fun process ~exit_status:_ ~term_signal ->
Luv.Handle.close process ignore;
received_signal := Some term_signal
end
in
let process = check_success_result "spawn" result in
Luv.Process.(kill_pid ~pid:(pid process)) Luv.Signal.sighup
|> check_success_result "kill_pid";
run ();
(* The terminating signal is sometimes reported as 0 in Travis, for
reasons not yet known to me. *)
match !received_signal with
| Some signal when signal = Luv.Signal.sighup -> ()
| Some 0 -> ()
| _ -> Alcotest.fail "Unexpected signal or signal"
end;
]
]
|
