From c43eebc79e84402f3978f1f32d812e755039e3ef Mon Sep 17 00:00:00 2001
From: David Aspinall <da@inf.ed.ac.uk>
Date: Sun, 13 Feb 2005 21:36:23 +0000
Subject: Added simple testing framework (in progress)

---
 generic/pg-autotest.el | 116 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 generic/pg-autotest.el

(limited to 'generic/pg-autotest.el')

diff --git a/generic/pg-autotest.el b/generic/pg-autotest.el
new file mode 100644
index 00000000..70d7a334
--- /dev/null
+++ b/generic/pg-autotest.el
@@ -0,0 +1,116 @@
+;; pg-autotest.el: Simple testing framework for Proof General
+;;
+;; Copyright (C) 2005 LFCS Edinburgh, David Aspinall.
+;; Authors:   David Aspinall
+;;
+;; License:   GPL (GNU GENERAL PUBLIC LICENSE)
+;;
+;; TODO:
+;; -- fix failure handling for scriptfile
+;; -- force re
+;; -- add macros for defining test suites 
+;; -- add more precise functional tests to check results
+;; -- add negative tests
+;; -- output test results to stdout
+;; 
+;; $Id$
+
+(require 'proof-site)
+
+(defvar pg-autotest-success t)		;; success unless error caught
+
+;;; Some utilities
+
+(defun pg-autotest-find-file (file)
+  "Find FILE (relative to `proof-home-directory') and redisplay."
+  (let* ((name   (concat proof-home-directory file)))
+    (if (file-exists-p name)
+	(find-file name)
+      (error "autotest: requested file %s does not exist" name))))
+
+(defun pg-autotest-find-file-restart (file)
+  "Find FILE and make ready to script there."
+  ;; Ensure scripting off; if completely full, will register, otherwise retract
+  (proof-deactivate-scripting-auto)
+  (pg-autotest-find-file file)
+  (goto-char (point-min))
+  (unless (proof-locked-region-empty-p)
+    ;; Should retract and unregister if was completely full
+    (proof-goto-point))
+  (pg-autotest-assert-unprocessed file))
+
+;;; Invoke a test
+
+(defmacro pg-autotest (fn &rest args)
+  `(condition-case err
+       (apply (intern (concat "pg-autotest-" (symbol-name (quote ,fn))))
+	      (list ,@args))
+     (error
+      (progn
+	(setq pg-autotest-success nil)
+	(princ (format "Error in test %s: %s" (symbol-name (quote ,fn)) 
+		       err)))))) ;; display-error stdout?
+
+
+
+;;; The tests proper
+
+(defun pg-autotest-script-wholefile (file)
+  "Load FILE and script line-by-line, waiting a second between each line.
+An error is signalled if scripting doesn't complete."
+  (pg-autotest-find-file-restart file)
+  (save-excursion
+    (let ((making-progress t) last-locked-end)
+      (while making-progress
+	(setq last-locked-end (proof-locked-end))
+	(goto-char last-locked-end)
+	(save-current-buffer
+	  (proof-assert-next-command-interactive)
+	  (proof-shell-wait))
+	(goto-char (proof-queue-or-locked-end))
+	(setq making-progress (> (point) last-locked-end))
+	(sit-for 1))))
+  (pg-autotest-assert-processed file))
+
+(defun pg-autotest-retract-file (file)
+  (save-excursion
+    (pg-autotest-find-file file)
+    (proof-retract-buffer)
+    (sit-for 1)))
+
+(defun pg-autotest-assert-processed (file)
+  "Check that FILE has been fully processed."
+  (save-excursion
+    (pg-autotest-find-file file)
+    (unless (proof-locked-region-full-p)
+      (error "Locked region in file `%s' is not full." file))))
+
+(defun pg-autotest-assert-unprocessed (file)
+  "Check that FILE has been fully unprocessed."
+  (save-excursion
+    (pg-autotest-find-file file)
+    (unless (proof-locked-region-empty-p)
+      (error "Locked region in file `%f' is not empty."))))
+
+(defun pg-autotest-message (msg)
+  "Give message MSG on std out & on display."
+  (message msg)
+  ;; FIXME: can we send to std out even if emacs is not batch mode?
+  (print msg)
+  (sit-for 1))
+
+(defun pg-autotest-quit-prover ()
+  "Exit prover process."
+  (if (buffer-live-p proof-shell-buffer)
+	(kill-buffer proof-shell-buffer)
+    (error "No proof shell buffer to kill!")))
+
+(defun pg-autotest-finished ()
+  "Exit Emacs returning Unix success 0 if all tests succeeded."
+  (kill-emacs (if pg-autotest-success 0 1)))
+    
+    
+
+(provide 'pg-autotest)
+;;; pg-autotest.el ends here
+
-- 
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