From 29006a6fd8e989013098b0281aa0b9efe13feb1d Mon Sep 17 00:00:00 2001
From: Damien Cassou <damien@cassou.me>
Date: Tue, 27 Mar 2018 16:57:51 +0200
Subject: Detect if a message can be encrypted and add an MML tag
* lisp/gnus/message.el (message-all-recipients): Return a list of
pairs, one for each recipient in To, Cc, Bcc.
(message-all-epg-keys-available-p): Check that there is a public key
in epg for each recipient of the current message.
(message-sign-encrypt-if-all-keys-available): Add MML tag to sign and
encrypt current message if there is a public key for every recipient
in current message.
* test/lisp/gnus/message-tests.el (message-all-recipients): Test for
message-all-recipients.
---
test/lisp/gnus/message-tests.el | 46 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 46 insertions(+)
(limited to 'test/lisp/gnus/message-tests.el')
diff --git a/test/lisp/gnus/message-tests.el b/test/lisp/gnus/message-tests.el
index ec1f2470204..9124dcf77a3 100644
--- a/test/lisp/gnus/message-tests.el
+++ b/test/lisp/gnus/message-tests.el
@@ -29,6 +29,8 @@
(require 'ert)
(require 'ert-x)
+(require 'cl-lib)
+
(ert-deftest message-mode-propertize ()
(with-temp-buffer
(unwind-protect
@@ -97,6 +99,50 @@
(should (string= stripped-was
(message-strip-subject-trailing-was with-was)))))))
+(ert-deftest message-all-recipients ()
+ (ert-with-test-buffer (:name "message")
+ (insert "To: Person 1 <p1@p1.org>, Person 2 <p2@p2.org>\n")
+ (insert "CC: Person 3 <p3@p3.org>, Person 4 <p4@p4.org>\n")
+ (insert "BCC: Person 5 <p5@p5.org>, Person 6 <p6@p6.org>\n")
+ (should (equal (message-all-recipients)
+ '(("Person 1" "p1@p1.org")
+ ("Person 2" "p2@p2.org")
+ ("Person 3" "p3@p3.org")
+ ("Person 4" "p4@p4.org")
+ ("Person 5" "p5@p5.org")
+ ("Person 6" "p6@p6.org"))))))
+
+(ert-deftest message-all-epg-keys-available-p ()
+ (let ((person1 '("Person 1" "p1@p1.org"))
+ (person2 '("Person 2" "p2@p2.org"))
+ (person3 '("Person 3" "p3@p3.org"))
+ (recipients nil)
+ (keyring '("p1@p1.org" "p2@p2.org")))
+ (cl-letf (((symbol-function 'epg-list-keys)
+ (lambda (_ email) (cl-find email keyring :test #'string=)))
+ ((symbol-function 'message-all-recipients)
+ (lambda () recipients)))
+
+ (setq recipients (list))
+ (should (message-all-epg-keys-available-p))
+
+ (setq recipients (list person1))
+ (should (message-all-epg-keys-available-p))
+
+ (setq recipients (list person1 person2))
+ (should (message-all-epg-keys-available-p))
+
+ (setq recipients (list person3))
+ (should-not (message-all-epg-keys-available-p))
+
+ (setq recipients (list person1 person3))
+ (should-not (message-all-epg-keys-available-p))
+
+ (setq recipients (list person3 person1))
+ (should-not (message-all-epg-keys-available-p))
+
+ (setq recipients (list person1 person2 person3))
+ (should-not (message-all-epg-keys-available-p)))))
(provide 'message-mode-tests)
--
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