;;; undigest.el --- Tests for undigest.el -*- lexical-binding:t -*-
;; Copyright (C) 2022 Free Software Foundation, Inc.
;; 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 .
;;; Code:
(require 'ert)
(require 'rmail)
(require 'undigest)
;;; Variables:
;; Some digests for testing.
(defvar rmail-rfc934-digest "From tester Fri Jan 24 00:00:00 2022
From: Digester
To: Undigester
Date: ddd, dd mmm yy hh:mm:ss zzz
Subject: Testing you
Testing the undigester.
------- Message sep
From: NN1
To: Digester
Date: ddd, dd mmm yy hh:mm:ss zzz
Subject: Message one
This is message one.
------- Message sep
From: NN2
To: Digester
Date: ddd, dd mmm yy hh:mm:ss zzz
Subject: Message two
This is message two.
"
"RFC 934 digest.")
(defvar rmail-rfc1153-digest-strict "From tester Fri Jan 24 00:00:00 2022
Date: ddd, dd mmm yy hh:mm:ss zzz
From: Digester
To: Undigester
Date: ddd, dd mmm yy hh:mm:ss zzz
Subject: Testing you
Some mailing list information.
Today's Topics:
1. Message One Subject (Sender)
2. Message Two Subject (Sender)
----------------------------------------------------------------------
Date: ddd, dd mmm yy hh:mm:ss zzz
From: NN1
Subject: Message One Subject
This is message one.
------------------------------
Date: ddd, dd mmm yy hh:mm:ss zzz
From: NN2
Subject: Message Two Subject
This is message two.
------------------------------
End of Digest.
************************************
"
"RFC 1153 strict style digest.")
(defvar rmail-rfc1153-digest-less-strict "From tester Fri Jan 24 00:00:00 2022
From: Digester
To: Undigester
Date: ddd, dd mmm yy hh:mm:ss zzz
Subject: Testing you
Some mailing list information.
Today's Topics:
1. Message One Subject (Sender)
2. Message Two Subject (Sender)
----------------------------------------------------------------------
Date: ddd, dd mmm yy hh:mm:ss zzz
From: NN1
Subject: Message One Subject
This is message one.
------------------------------
Date: ddd, dd mmm yy hh:mm:ss zzz
From: NN2
Subject: Message Two Subject
This is message two.
------------------------------
Subject: Digest Footer
End of Sbcl-help Digest, Vol 158, Issue 4
*****************************************
"
"RFC 1153 style digest, with a Subject header.")
(defvar rmail-rfc1153-digest-sloppy "From tester Fri Jan 24 00:00:00 2022
From: Digester
To: Undigester
Date: ddd, dd mmm yy hh:mm:ss zzz
Subject: Testing you
Some mailing list information.
Today's Topics:
1. Message One Subject (Sender)
2. Message Two Subject (Sender)
----------------------------------------------------------------------
Date: ddd, dd mmm yy hh:mm:ss zzz
From: NN1
Subject: Message One Subject
This is message one.
------------------------------
Date: ddd, dd mmm yy hh:mm:ss zzz
From: NN2
Subject: Message Two Subject
This is message two.
------------------------------
Subject: Digest Footer
______________________________________________
Some blurb.
End of Digest.
************************************
"
"RFC 1153 sloppy style digest.")
(defvar rmail-rfc1521-mime-digest "From tester Fri Jan 24 00:00:00 2022
From: Digester
To: Undigester
Date: ddd, dd mmm yy hh:mm:ss zzz
Subject: Test digest
MIME-Version: 1.0
Content-Type: multipart/digest; boundary=\"----- =_aaaaaaaaaa0\"
------- =_aaaaaaaaaa0
Content-Type: message/rfc822
From: NN1
To: Digester
Date: ddd, dd mmm yy hh:mm:ss zzz
Subject: Message one
Message one.
------- =_aaaaaaaaaa0
From: NN2
To: Digester
Date: ddd, dd mmm yy hh:mm:ss zzz
Subject: Message two
Message two.
------- =_aaaaaaaaaa0
"
"RFC 1521 style MIME digest.")
(defvar rmail-multipart-mixed-digest
"From tester Fri Jan 24 00:00:00 2022
From: Digester
To: Undigester
Date: ddd, dd mmm yy hh:mm:ss zzz
Subject: Test digest
Content-Type: multipart/mixed; boundary=\"===============2529375068597856000==\"
MIME-Version: 1.0
--===============2529375068597856000==
Content-Type: text/plain;
MIME-Version: 1.0
Content-Description: Today's Topics
Some message.
--===============2529375068597856000==
Content-Type: multipart/digest; boundary=\"===============6060050777038710134==\"
MIME-Version: 1.0
--===============6060050777038710134==
Content-Type: message/rfc822
MIME-Version: 1.0
From: NN1
To: Digester
Date: ddd, dd mmm yy hh:mm:ss zzz
Subject: Message one
Message one.
--===============6060050777038710134==
Content-Type: message/rfc822
MIME-Version: 1.0
From: NN2
To: Digester
Date: ddd, dd mmm yy hh:mm:ss zzz
Subject: Message two
Message two.
--===============6060050777038710134==--
--===============2529375068597856000==
Content-Type: text/plain;
MIME-Version: 1.0
Content-Description: Digest Footer
The footer.
--===============2529375068597856000==--"
"RFC 1521 digest inside a multipart/mixed message.")
;;; Utils:
(defun rmail-message-content (message)
"Return the content of the message numbered MESSAGE."
(rmail-show-message message)
(let ((beg (rmail-msgbeg rmail-current-message))
(end (rmail-msgend rmail-current-message)))
(with-current-buffer rmail-view-buffer
(save-excursion
(goto-char beg)
(search-forward "\n\n" end nil)
(buffer-substring-no-properties (match-end 0) end)))))
;;; Tests:
(ert-deftest rmail-undigest-test-rfc934-digest ()
"Test that we can undigest a RFC 934 digest."
(let ((file (make-temp-file "undigest-test-")))
(with-temp-file file
(insert rmail-rfc934-digest)
(write-region nil nil file)
(rmail file)
(undigestify-rmail-message)
(should (= rmail-total-messages 4))
(should (string= (rmail-message-content 2) "Testing the undigester.\n\n"))
(should (string= (rmail-message-content 3) "This is message one.\n\n"))
(should (string= (rmail-message-content 4) "This is message two.\n")))))
(ert-deftest rmail-undigest-test-rfc1153-digest-strict ()
"Test that we can undigest a strict RFC 1153 digest."
:expected-result :failed
(let ((file (make-temp-file "undigest-test-")))
(with-temp-file file
(insert rmail-rfc1153-digest-strict)
(write-region nil nil file)
(rmail file)
(should
(condition-case nil
(progn
;; This throws an error, because the Trailer is not recognized
;; as a valid RFC 822 (or later) message.
(undigestify-rmail-message)
(should (string= (rmail-message-content 2) "Testing the undigester.\n\n"))
(should (string= (rmail-message-content 3) "This is message one.\n\n"))
(should (string= (rmail-message-content 4) "This is message two.\n"))
t)
(error nil))))))
(ert-deftest rmail-undigest-test-rfc1153-less-strict-digest ()
"Test that we can undigest a RFC 1153 with a Subject header in its footer."
(let ((file (make-temp-file "undigest-test-")))
(with-temp-file file
(insert rmail-rfc1153-digest-less-strict)
(write-region nil nil file)
(rmail file)
(undigestify-rmail-message)
(should (= rmail-total-messages 5))
(should (string= (rmail-message-content 3) "This is message one.\n\n"))
(should (string= (rmail-message-content 4) "This is message two.\n\n")))))
(ert-deftest rmail-undigest-test-rfc1153-sloppy-digest ()
"Test that we can undigest a sloppy RFC 1153 digest."
(let ((file (make-temp-file "undigest-test-")))
(with-temp-file file
(insert rmail-rfc1153-digest-sloppy)
(write-region nil nil file)
(rmail file)
(undigestify-rmail-message)
(should (= rmail-total-messages 5))
(should (string= (rmail-message-content 3) "This is message one.\n\n"))
(should (string= (rmail-message-content 4) "This is message two.\n\n")))))
;; This fails because `rmail-digest-parse-mime' combines the preamble with the
;; first message of the digest. And then, it doesn't get rid of the last
;; separator.
(ert-deftest rmail-undigest-test-rfc1521-mime-digest ()
"Test that we can undigest a RFC 1521 MIME digest."
:expected-result :failed
(let ((file (make-temp-file "undigest-test-")))
(with-temp-file file
(insert rmail-rfc1521-mime-digest)
(write-region nil nil file)
(rmail file)
(undigestify-rmail-message)
(should (= rmail-total-messages 3))
(should (string= (rmail-message-content 2) "Message one.\n\n"))
(should (string= (rmail-message-content 3) "Message two.\n\n")))))
(ert-deftest rmail-undigest-test-multipart-mixed-digest ()
"Test that we can undigest a digest inside a multipart/mixed digest."
(let ((file (make-temp-file "undigest-test-")))
(with-temp-file file
(insert rmail-multipart-mixed-digest)
(write-region nil nil file)
(rmail file)
(undigestify-rmail-message)
(should (= rmail-total-messages 4))
(should (string= (rmail-message-content 2) "Message one.\n\n"))
(should (string= (rmail-message-content 3) "Message two.\n\n")))))