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;;; erc-scenarios-base-unstable.el --- base unstable scenarios -*- lexical-binding: t -*-
;; Copyright (C) 2022-2025 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 <https://www.gnu.org/licenses/>.
;;; Code:
(require 'ert-x)
(eval-and-compile
(let ((load-path (cons (ert-resource-directory) load-path)))
(require 'erc-scenarios-common)))
(eval-when-compile (require 'erc-join) (require 'warnings))
;; Not unstable, but stashed here for now
(ert-deftest erc-scenarios-aux-unix-socket ()
:tags '(:expensive-test)
(skip-unless (featurep 'make-network-process '(:family local)))
(erc-scenarios-common-with-cleanup
((erc-scenarios-common-dialog "base/renick/self")
(erc-server-flood-penalty 0.1)
(sock (expand-file-name "erc-d.sock" temporary-file-directory))
(erc-scenarios-common-extra-teardown (lambda () (delete-file sock)))
(erc-server-connect-function
(lambda (n b _ p &rest r)
(apply #'make-network-process
`(:name ,n :buffer ,b :service ,p :family local ,@r))))
(dumb-server (erc-d-run nil sock 'auto))
erc-autojoin-channels-alist
erc-server-buffer-foo)
(ert-info ("Connect to foonet")
(setq erc-server-buffer-foo (erc :server "fake"
:port sock
:nick "tester"
:password "foonet:changeme"
:full-name "tester"))
(with-current-buffer erc-server-buffer-foo
(should (string= (buffer-name) (format "fake:%s" sock)))))
(with-current-buffer (erc-d-t-wait-for 3 (get-buffer "foonet"))
(erc-d-t-search-for 10 "Your new nickname is dummy"))
(ert-info ("Joined by bouncer to #foo, own nick present")
(with-current-buffer (erc-d-t-wait-for 3 (get-buffer "#foo"))
(erc-d-t-search-for 10 "dummy")
(erc-d-t-search-for 10 "On Thursday")))))
;; See `erc-networks--rename-server-buffer'. A perceived loss in
;; network connectivity turns out to be a false alarm, but the bouncer
;; has already accepted the second connection
(defun erc-scenarios--base-aborted-reconnect ()
(erc-scenarios-common-with-cleanup
((erc-scenarios-common-dialog "base/reconnect")
(erc-d-t-cleanup-sleep-secs 1)
(dumb-server (erc-d-run "localhost" t 'aborted 'aborted-dupe))
(port (process-contact dumb-server :service))
erc-autojoin-channels-alist
erc-server-buffer-foo)
(ert-info ("Connect to foonet")
(setq erc-server-buffer-foo (erc :server "127.0.0.1"
:port port
:nick "tester"
:password "changeme"
:full-name "tester"))
(with-current-buffer erc-server-buffer-foo
(should (string= (buffer-name) (format "127.0.0.1:%d" port)))))
(ert-info ("Server buffer is unique and temp name is absent")
(erc-d-t-wait-for 10 (get-buffer "FooNet"))
(should-not (erc-scenarios-common-buflist "127.0.0.1"))
(with-current-buffer erc-server-buffer-foo
(erc-cmd-JOIN "#chan")))
(ert-info ("Channel buffer #chan alive and well")
(with-current-buffer (erc-d-t-wait-for 4 (get-buffer "#chan"))
(erc-d-t-search-for 10 "welcome")))
(ert-info ("Connect to foonet again")
(setq erc-server-buffer-foo (erc :server "127.0.0.1"
:port port
:nick "tester"
:password "changeme"
:full-name "tester"))
(let ((inhibit-message noninteractive))
(with-current-buffer erc-server-buffer-foo
(should (string= (buffer-name) (format "127.0.0.1:%d" port)))
(erc-d-t-wait-for 5 (not (erc-server-process-alive)))
(erc-d-t-search-for 10 "FooNet still connected"))))
(ert-info ("Server buffer is unique and temp name is absent")
(should (equal (list (get-buffer "FooNet"))
(erc-scenarios-common-buflist "FooNet")))
(should (equal (list (get-buffer (format "127.0.0.1:%d" port)))
(erc-scenarios-common-buflist "127.0.0.1"))))
(ert-info ("Channel buffer #chan still going")
(with-current-buffer "#chan"
(erc-d-t-search-for 10 "and be prosperous")))))
(ert-deftest erc-scenarios-base-aborted-reconnect ()
:tags '(:unstable)
(let ((tries 3)
(timeout 1)
failed)
(while (condition-case _err
(progn
(erc-scenarios--base-aborted-reconnect)
nil)
(ert-test-failed
(message "Test %S failed; %s attempt(s) remaining."
(ert-test-name (ert-running-test))
tries)
(sleep-for (cl-incf timeout))
(not (setq failed (zerop (cl-decf tries)))))))
(should-not failed)))
;; The `erc-networks' library has slowly become a hard dependency of
;; the interactive client since its incorporation in 2006. But its
;; module, which was added in ERC 5.3 (2008) and thereafter loaded by
;; default, only became quasi-required in ERC 5.5 (2022). Despite
;; this, a basic connection should still always succeed, at least long
;; enough to warn users that their setup is abnormal. Of course,
;; third-party code intentionally omitting the module will have to
;; override various erc-server-*-functions to avoid operating in a
;; degraded state, which has likely been the case for a while.
(ert-deftest erc-scenarios-networks-no-module ()
:tags '(:expensive-test)
(erc-scenarios-common-with-cleanup
((erc-scenarios-common-dialog "networks/no-module")
(erc-server-flood-penalty 0.1)
(erc-networks-mode-orig erc-networks-mode)
(dumb-server (erc-d-run "localhost" t 'basic))
(port (process-contact dumb-server :service))
(erc-modules (remq 'networks erc-modules))
(warning-suppress-log-types '((erc)))
(expect (erc-d-t-make-expecter)))
(erc-networks-mode -1)
(ert-info ("Connect and retain dialed name")
(with-current-buffer (erc :server "127.0.0.1"
:port port
:nick "tester"
:user "tester"
:full-name "tester")
(funcall expect 10 "Required module `networks' not loaded")
(funcall expect 10 "This server is in debug mode")
;; Buffer not named after network
(should (string= (buffer-name) (format "127.0.0.1:%d" port)))
(erc-cmd-JOIN "#chan")))
(ert-info ("Join #chan, change nick, query op")
(with-current-buffer (erc-d-t-wait-for 10 (get-buffer "#chan"))
(funcall expect 20 "Even at thy teat thou")
(erc-cmd-NICK "dummy")
(funcall expect 10 "Your new nickname is dummy")
(erc-scenarios-common-say "/msg alice hi")))
(ert-info ("Switch to query and quit")
(with-current-buffer (erc-d-t-wait-for 10 (get-buffer "alice"))
(funcall expect 20 "bye"))
(with-current-buffer (format "127.0.0.1:%d" port)
(erc-cmd-QUIT "")
(funcall expect 10 "finished")))
(when erc-networks-mode-orig
(erc-networks-mode +1))))
;;; erc-scenarios-base-unstable.el ends here
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