;;; gnus-test-headers.el --- Tests for Gnus header-related functions -*- lexical-binding: t; -*-
;; Copyright (C) 2018-2020 Free Software Foundation, Inc.
;; Author: Eric Abrahamsen <eric@ericabrahamsen.net>
;; This file is part of GNU Emacs.
;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; The tests her are for
;;; Code:
(require 'ert)
(require 'gnus-sum)
(defconst gnus-headers-test-data
'([2 "Re: [Emacs-devel] Emacs move" "Dave Love <d.love@dl.ac.uk>"
"Thu, 14 Sep 2000 11:10:46 +0100"
"<200009141010.LAA26351@djlvig.dl.ac.uk>"
"<20000913175943.A26093@sparky.nisa.net>"
1882 16 "nnmaildir mails:2"
((To . "Jeff Bailey <jbailey@nisa.net>")
(Cc . "emacs-devel@gnu.org, cvs-hackers@gnu.org"))]
[3 "Re: [Emacs-devel] Emacs move" "Sam Steingold <sds@gnu.org>"
"14 Sep 2000 10:21:56 -0400" "<upum7xddn.fsf@xchange.com>"
"<20000913175943.A26093@sparky.nisa.net>"
2991 50 "nnmaildir mails:3"
((To . "Jeff Bailey <jbailey@nisa.net>")
(Cc . "emacs-devel@gnu.org, cvs-hackers@gnu.org"))]
[4 "Re: [Emacs-devel] Emacs move" "Jeff Bailey <jbailey@nisa.net>"
"Thu, 14 Sep 2000 09:14:47 -0700"
"<20000914091447.G4827@sparky.nisa.net>"
"<20000913175943.A26093@sparky.nisa.net> <upum7xddn.fsf@xchange.com>"
1780 15 "nnmaildir mails:4"
((To . "sds@gnu.org, Jeff Bailey <jbailey@nisa.net>")
(Cc . "emacs-devel@gnu.org, cvs-hackers@gnu.org"))]
[5 "Re: [Emacs-devel] Emacs move" "Dave Love <d.love@dl.ac.uk>"
"Thu, 14 Sep 2000 18:24:36 +0100"
"<200009141724.SAA26807@djlvig.dl.ac.uk>"
"<20000913175943.A26093@sparky.nisa.net>"
1343 9 "nnmaildir mails:5"
((To . "Jeff Bailey <jbailey@nisa.net>")
(Cc . "emacs-devel@gnu.org, cvs-hackers@gnu.org"))]
[6 "Re: [Emacs-devel] Emacs move" "Karl Fogel <kfogel@galois.collab.net>"
"14 Sep 2000 10:37:35 -0500" "<87em2nyog0.fsf@galois.collab.net>"
"<20000913175943.A26093@sparky.nisa.net> <200009141724.SAA26807@djlvig.dl.ac.uk>"
3740 124 "nnmaildir mails:6"
((To . "Dave Love <d.love@dl.ac.uk>")
(Cc . "Jeff Bailey <jbailey@nisa.net>, emacs-devel@gnu.org, cvs-hackers@gnu.org"))]
[7 "Re: [Emacs-devel] Emacs move" "Jeff Bailey <jbailey@nisa.net>"
"Thu, 14 Sep 2000 10:55:12 -0700"
"<20000914105512.A29291@sparky.nisa.net>"
"<20000913175943.A26093@sparky.nisa.net> <200009141724.SAA26807@djlvig.dl.ac.uk> <87em2nyog0.fsf@galois.collab.net>"
1687 16 "nnmaildir mails:7"
((To . "kfogel@red-bean.com, Dave Love <d.love@dl.ac.uk>")
(Cc . "Jeff Bailey <jbailey@nisa.net>, emacs-devel@gnu.org, cvs-hackers@gnu.org"))]
[8 "Re: [Emacs-devel] Emacs move" "John Wiegley <johnw@gnu.org>"
"Thu, 14 Sep 2000 12:19:01 -0700"
"<200009141919.MAA05085@localhost.localdomain>"
"<20000913175943.A26093@sparky.nisa.net>"
1978 27 "nnmaildir mails:8"
((To . "emacs-devel@gnu.org"))]
[9 "Re: [Emacs-devel] Emacs move"
"\"Robert J. Chassell\" <bob@rattlesnake.com>"
"Thu, 14 Sep 2000 07:33:15 -0400 (EDT)"
"<m13ZXGV-000BCgC@megalith.rattlesnake.com>"
"<20000913175943.A26093@sparky.nisa.net>"
3046 72 "nnmaildir mails:9"
((To . "jbailey@nisa.net")
(Cc . "emacs-devel@gnu.org, cvs-hackers@gnu.org"))]
[10 "Re: [Emacs-devel] Emacs move"
"wmperry@aventail.com (William M. Perry)"
"14 Sep 2000 09:10:25 -0500"
"<86g0n3f4j2.fsf@megalith.bp.aventail.com>"
"<20000913175943.A26093@sparky.nisa.net> <m13ZXGV-000BCgC@megalith.rattlesnake.com>"
3104 44 "nnmaildir mails:10"
((To . "bob@rattlesnake.com")
(Cc . "jbailey@nisa.net, emacs-devel@gnu.org, cvs-hackers@gnu.org"))]
[11 "Re: [Emacs-devel] Emacs move" "Gerd Moellmann <gerd@gnu.org>"
"Thu, 14 Sep 2000 21:51:05 +0200 (CEST)"
"<200009141951.VAA06005@gerd.segv.de>"
"<20000913175943.A26093@sparky.nisa.net> <m13ZXGV-000BCgC@megalith.rattlesnake.com> <86g0n3f4j2.fsf@megalith.bp.aventail.com>"
1884 6 "nnmaildir mails:11"
((To . "wmvperry@aventail.com")
(Cc . "bob@rattlesnake.com, jbailey@nisa.net, emacs-devel@gnu.org, cvs-hackers@gnu.org"))]
[12 "Re: [Emacs-devel] Emacs move" "Gerd Moellmann <gerd@gnu.org>"
"Thu, 14 Sep 2000 21:49:03 +0200 (CEST)"
"<200009141949.VAA05998@gerd.segv.de>"
"<20000913175943.A26093@sparky.nisa.net> <m13ZXGV-000BCgC@megalith.rattlesnake.com>"
2408 24 "nnmaildir mails:12"
((To . "bob@rattlesnake.com")
(Cc . "jbailey@nisa.net, emacs-devel@gnu.org, cvs-hackers@gnu.org"))]
[13 "Re: [Emacs-devel] Emacs move"
"\"Robert J. Chassell\" <bob@rattlesnake.com>"
"Thu, 14 Sep 2000 17:50:01 -0400 (EDT)"
"<m13ZgtN-000BD3C@megalith.rattlesnake.com>"
"<20000913175943.A26093@sparky.nisa.net> <m13ZXGV-000BCgC@megalith.rattlesnake.com> <200009141949.VAA05998@gerd.segv.de>"
1968 23 "nnmaildir mails:13"
((To . "gerd@gnu.org")
(Cc . "bob@rattlesnake.com, jbailey@nisa.net, emacs-devel@gnu.org, cvs-hackers@gnu.org"))]
[14 "Re: [Emacs-devel] Emacs move" "Richard Stallman <rms@gnu.org>"
"Fri, 15 Sep 2000 16:28:12 -0600 (MDT)"
"<200009152228.QAA20526@wijiji.santafe.edu>"
"<20000913175943.A26093@sparky.nisa.net> <m13ZXGV-000BCgC@megalith.rattlesnake.com>"
1288 2 "nnmaildir mails:14"
((To . "jbailey@nisa.net, emacs-devel@gnu.org, cvs-hackers@gnu.org"))]
[15 "[Emacs-devel] Emacs move" "Jeff Bailey <jbailey@nisa.net>"
"Wed, 13 Sep 2000 17:59:43 -0700"
"<20000913175943.A26093@sparky.nisa.net>" ""
1661 26 "nnmaildir mails:15"
((To . "emacs-devel@gnu.org")
(Cc . "cvs-hackers@gnu.org"))]
[16 "Re: [Emacs-devel] Emacs move" "Jeff Bailey <jbailey@nisa.net>"
"Fri, 15 Sep 2000 22:00:12 -0700"
"<20000915220012.A3923@sparky.nisa.net>"
"<20000913175943.A26093@sparky.nisa.net> <m13ZXGV-000BCgC@megalith.rattlesnake.com> <200009141949.VAA05998@gerd.segv.de> <m13ZgtN-000BD3C@megalith.rattlesnake.com>"
2857 51 "nnmaildir mails:16"
((To . "bob@rattlesnake.com, gerd@gnu.org")
(Cc . "jbailey@nisa.net, emacs-devel@gnu.org, cvs-hackers@gnu.org"))])
"A pile of headers with potential interdependencies.")
(ert-deftest gnus-headers-make-dependency-table ()
(let ((table (gnus-make-hashtable 20))
(data (copy-sequence gnus-headers-test-data))
ret)
(dolist (h data)
;; `gnus-dependencies-add-header' returns nil if it fails to add
;; the header.
(should (gnus-dependencies-add-header h table nil)))
;; Pick a value to test.
(setq ret (gethash "<m13ZXGV-000BCgC@megalith.rattlesnake.com>"
table))
;; The message has three children.
(should (= 3 (length (cdr ret))))
;; The first of those children has one child.
(should (= 1 (length (cdr (nth 1 ret)))))))
(ert-deftest gnus-headers-loop-dependencies ()
"Intentionally create a reference loop."
(let ((table (gnus-make-hashtable 20))
(data (copy-sequence gnus-headers-test-data))
(parent-id "<200009141724.SAA26807@djlvig.dl.ac.uk>")
(child-id "<87em2nyog0.fsf@galois.collab.net>")
parent)
(dolist (h data)
(gnus-dependencies-add-header h table nil))
(setq parent (gethash parent-id table))
;; Put the parent header in the child references of one of its own
;; children. `gnus-thread-loop-p' only checks if there's a loop
;; between parent and immediate child, not parent and random
;; descendant. At least, near as I can tell that's the case.
(push (list (car parent)) (cdr (gethash child-id table)))
(let ((gnus-newsgroup-dependencies table))
(should
(= 1 ; 1 indicates an infloop.
(gnus-thread-loop-p (car parent) (cadr parent)))))))
(provide 'gnus-test-headers)
;;; gnus-test-headers.el ends here