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authorMaxim Cournoyer <maxim.cournoyer@gmail.com>2022-08-12 08:53:46 -0400
committerMaxim Cournoyer <maxim.cournoyer@gmail.com>2022-08-28 22:10:20 -0400
commit697b797160f8145f282767cedd66be2d7297fe1e (patch)
tree2417616a9bc2f8dd82562c4867dd50a108abfe9e /gnu/build
parentb096b939f74913cfed5ed3efb5701a9132854760 (diff)
downloadguix-697b797160f8145f282767cedd66be2d7297fe1e.tar
guix-697b797160f8145f282767cedd66be2d7297fe1e.tar.gz
marionette: Improve the error message of 'wait-for-screen-text'.
* gnu/build/marionette.scm (wait-for-screen-text): Return the last OCR'd text when the predicate fails to match instead of the not useful predicate object.
Diffstat (limited to 'gnu/build')
-rw-r--r--gnu/build/marionette.scm14
1 files changed, 8 insertions, 6 deletions
diff --git a/gnu/build/marionette.scm b/gnu/build/marionette.scm
index 4f409166db..24170bbd30 100644
--- a/gnu/build/marionette.scm
+++ b/gnu/build/marionette.scm
@@ -1,6 +1,7 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016-2022 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2018 Chris Marusich <cmmarusich@gmail.com>
+;;; Copyright © 2022 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -308,13 +309,14 @@ PREDICATE, whichever comes first. Raise an error when TIMEOUT is exceeded."
(define end
(+ start timeout))
- (let loop ()
+ (let loop ((last-text #f))
(if (> (car (gettimeofday)) end)
- (error "'wait-for-screen-text' timeout" predicate)
- (or (predicate (marionette-screen-text marionette #:ocrad ocrad))
- (begin
- (sleep 1)
- (loop))))))
+ (error "'wait-for-screen-text' timeout" 'ocr-text: last-text)
+ (let ((text (marionette-screen-text marionette #:ocrad ocrad)))
+ (or (predicate text)
+ (begin
+ (sleep 1)
+ (loop text)))))))
(define %qwerty-us-keystrokes
;; Maps "special" characters to their keystrokes.