/usr/lib/ocaml/oUnit/oUnitChooser.ml is in libounit-ocaml-dev 2.0.0-2build1.
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(* The OUnit library *)
(* *)
(* Copyright (C) 2002-2008 Maas-Maarten Zeeman. *)
(* Copyright (C) 2010 OCamlCore SARL *)
(* Copyright (C) 2013 Sylvain Le Gall *)
(* *)
(* The package OUnit is copyright by Maas-Maarten Zeeman, OCamlCore SARL *)
(* and Sylvain Le Gall. *)
(* *)
(* Permission is hereby granted, free of charge, to any person obtaining *)
(* a copy of this document and the OUnit software ("the Software"), to *)
(* deal in the Software without restriction, including without limitation *)
(* the rights to use, copy, modify, merge, publish, distribute, *)
(* sublicense, and/or sell copies of the Software, and to permit persons *)
(* to whom the Software is furnished to do so, subject to the following *)
(* conditions: *)
(* *)
(* The above copyright notice and this permission notice shall be *)
(* included in all copies or substantial portions of the Software. *)
(* *)
(* The Software is provided ``as is'', without warranty of any kind, *)
(* express or implied, including but not limited to the warranties of *)
(* merchantability, fitness for a particular purpose and noninfringement. *)
(* In no event shall Maas-Maarten Zeeman be liable for any claim, damages *)
(* or other liability, whether in an action of contract, tort or *)
(* otherwise, arising from, out of or in connection with the Software or *)
(* the use or other dealings in the software. *)
(* *)
(* See LICENSE.txt for details. *)
(**************************************************************************)
(**
Heuristic to pick a test to run.
@author Sylvain Le Gall
*)
open OUnitTest
type t =
{
tests_planned: path list;
tests_running: path list;
tests_passed: result_list;
cache: OUnitCache.cache;
}
type choice =
| ChooseToSkip of path
| ChooseToPostpone
| Choose of path
| NoChoice
let string_of_choice =
function
| ChooseToSkip path ->
Printf.sprintf "ChooseToSkip %S" (string_of_path path)
| ChooseToPostpone -> "ChooseToPostpone"
| Choose path ->
Printf.sprintf "Choose %S" (string_of_path path)
| NoChoice -> "NoChoice"
type chooser = t -> choice
(** Most simple heuristic, just pick the first test. *)
let simple t =
match t.tests_planned with
| hd :: _ -> Choose hd
| [] -> NoChoice
module Plugin =
OUnitPlugin.Make
(struct
type t = chooser
let name = "chooser"
let conf_help =
"Select the method to choose tests to run."
let default_name = "simple"
let default_value = simple
end)
include Plugin
let allskip t =
match t.tests_planned with
| hd :: _ -> ChooseToSkip hd
| [] -> NoChoice
let failfirst t =
let was_successful = OUnitResultSummary.was_successful in
let rec find_failing =
function
| path :: tl ->
begin
match OUnitCache.get_result path t.cache with
| Some result ->
(* Find the first formerly failing test. *)
if was_successful [path, result, None] then
find_failing tl
else
Choose path
| None ->
Choose path
end
| [] ->
begin
let wait_results_running =
List.fold_left
(fun wait path ->
match OUnitCache.get_result path t.cache with
| Some result ->
(not (was_successful [path, result, None])) || wait
| None ->
(* No former result, we need the result of
* this test.
*)
true)
false t.tests_running
in
if wait_results_running then
(* We need more data about currently running tests. *)
ChooseToPostpone
else if was_successful t.tests_passed then
(* All tests that were red has become green, continue. *)
simple t
else
(* Some tests still fail, skip the rest. *)
allskip t
end
in
find_failing t.tests_planned
let () =
register "failfirst" ~-1 failfirst
|