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274 lines
11 KiB
EmacsLisp
274 lines
11 KiB
EmacsLisp
;;; erc-scenarios-base-reconnect.el --- Base-reconnect scenarios -*- lexical-binding: t -*-
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;; Copyright (C) 2022 Free Software Foundation, Inc.
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Code:
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(require 'ert-x)
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(eval-and-compile
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(let ((load-path (cons (ert-resource-directory) load-path)))
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(require 'erc-scenarios-common)))
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(eval-when-compile (require 'erc-join))
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;; This ensures we only reconnect `erc-server-reconnect-attempts'
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;; (rather than infinitely many) times, which can easily happen when
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;; tweaking code related to process sentinels in erc-backend.el.
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(ert-deftest erc-scenarios-base-reconnect-timer ()
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:tags '(:expensive-test)
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(erc-scenarios-common-with-cleanup
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((erc-scenarios-common-dialog "base/reconnect")
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(dumb-server (erc-d-run "localhost" t 'timer 'timer 'timer-last))
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(port (process-contact dumb-server :service))
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(expect (erc-d-t-make-expecter))
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(erc-server-auto-reconnect t)
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erc-autojoin-channels-alist
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erc-server-buffer)
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(ert-info ("Connect to foonet")
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(setq erc-server-buffer (erc :server "127.0.0.1"
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:port port
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:nick "tester"
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:password "changeme"
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:full-name "tester"))
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(with-current-buffer erc-server-buffer
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(should (string= (buffer-name) (format "127.0.0.1:%d" port)))))
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(ert-info ("Server tries to connect thrice (including initial attempt)")
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(with-current-buffer erc-server-buffer
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(dotimes (n 3)
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(ert-info ((format "Attempt %d" n))
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(funcall expect 3 "Opening connection")
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(funcall expect 2 "Password incorrect")
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(funcall expect 2 "Connection failed!")
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(funcall expect 2 "Re-establishing connection")))
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(ert-info ("Prev attempt was final")
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(erc-d-t-absent-for 1 "Opening connection" (point)))))
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(ert-info ("Server buffer is unique and temp name is absent")
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(should (equal (list (get-buffer (format "127.0.0.1:%d" port)))
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(erc-scenarios-common-buflist "127.0.0.1"))))))
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(defun erc-scenarios-common--base-reconnect-options (test)
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(erc-scenarios-common-with-cleanup
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((erc-scenarios-common-dialog "base/reconnect")
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(dumb-server (erc-d-run "localhost" t 'options 'options-again))
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(port (process-contact dumb-server :service))
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(expect (erc-d-t-make-expecter))
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(erc-server-flood-penalty 0.1)
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(erc-server-auto-reconnect t)
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erc-autojoin-channels-alist
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erc-server-buffer)
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(should (memq 'autojoin erc-modules))
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(ert-info ("Connect to foonet")
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(setq erc-server-buffer (erc :server "127.0.0.1"
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:port port
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:nick "tester"
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:password "changeme"
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:full-name "tester"))
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(with-current-buffer erc-server-buffer
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(should (string= (buffer-name) (format "127.0.0.1:%d" port)))
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(funcall expect 10 "debug mode")))
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(ert-info ("Wait for some output in channels")
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(with-current-buffer (erc-d-t-wait-for 10 (get-buffer "#chan"))
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(funcall expect 10 "welcome")))
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(ert-info ("Server buffer shows connection failed")
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(with-current-buffer erc-server-buffer
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(funcall expect 10 "Connection failed! Re-establishing")))
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(should (equal erc-autojoin-channels-alist '((FooNet "#chan"))))
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(funcall test)
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;; A manual /JOIN command tells ERC we're done auto-reconnecting
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(with-current-buffer "FooNet" (erc-cmd-JOIN "#spam"))
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(erc-d-t-ensure-for 1 "Newly joined chan ignores `erc-reconnect-display'"
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(not (eq (window-buffer) (get-buffer "#spam"))))
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(ert-info ("Wait for auto reconnect")
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(with-current-buffer erc-server-buffer
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(funcall expect 10 "still in debug mode")))
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(ert-info ("Wait for activity to recommence in channels")
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(with-current-buffer (erc-d-t-wait-for 10 (get-buffer "#chan"))
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(funcall expect 10 "forest of Arden"))
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(with-current-buffer (erc-d-t-wait-for 10 (get-buffer "#spam"))
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(funcall expect 10 "her elves come here anon")))))
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(ert-deftest erc-scenarios-base-reconnect-options--buffer ()
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:tags '(:expensive-test)
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(should (eq erc-join-buffer 'bury))
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(should-not erc-reconnect-display)
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;; FooNet (the server buffer) is not switched to because it's
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;; already current (but not shown) when `erc-open' is called. See
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;; related conditional guard towards the end of that function.
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(let ((erc-reconnect-display 'buffer))
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(erc-scenarios-common--base-reconnect-options
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(lambda ()
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(pop-to-buffer-same-window "*Messages*")
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(erc-d-t-ensure-for 1 "Server buffer not shown"
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(not (eq (window-buffer) (get-buffer "FooNet"))))
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(erc-d-t-wait-for 5 "Channel #chan shown when autojoined"
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(eq (window-buffer) (get-buffer "#chan")))))))
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(ert-deftest erc-scenarios-base-reconnect-options--default ()
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:tags '(:expensive-test)
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(should (eq erc-join-buffer 'bury))
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(should-not erc-reconnect-display)
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(erc-scenarios-common--base-reconnect-options
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(lambda ()
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(pop-to-buffer-same-window "*Messages*")
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(erc-d-t-ensure-for 1 "Server buffer not shown"
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(not (eq (window-buffer) (get-buffer "FooNet"))))
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(erc-d-t-ensure-for 3 "Channel #chan not shown"
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(not (eq (window-buffer) (get-buffer "#chan"))))
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(eq (window-buffer) (messages-buffer)))))
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;; Upon reconnecting, playback for channel and target buffers is
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;; routed correctly. Autojoin is irrelevant here, but for the
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;; skeptical, see `erc-scenarios-common--join-network-id', which
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;; overlaps with this and includes spurious JOINs ignored by the
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;; server.
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(ert-deftest erc-scenarios-base-association-reconnect-playback ()
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:tags '(:expensive-test)
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(erc-scenarios-common-with-cleanup
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((erc-scenarios-common-dialog "base/assoc/reconplay")
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(erc-server-flood-penalty 0.1)
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(erc-server-flood-margin 30)
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(dumb-server (erc-d-run "localhost" t 'foonet 'again))
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(port (process-contact dumb-server :service))
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(expect (erc-d-t-make-expecter))
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erc-autojoin-channels-alist
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erc-server-buffer-foo)
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(ert-info ("Connect to foonet")
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(setq erc-server-buffer-foo (erc :server "127.0.0.1"
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:port port
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:nick "tester"
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:password "changeme"
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:full-name "tester"))
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(with-current-buffer erc-server-buffer-foo
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(should (string= (buffer-name) (format "127.0.0.1:%d" port)))))
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(ert-info ("Setup")
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(ert-info ("Server buffer is unique and temp name is absent")
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(erc-d-t-wait-for 3 (get-buffer "foonet"))
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(should-not (erc-scenarios-common-buflist "127.0.0.1")))
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(ert-info ("Channel buffer #chan playback received")
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(with-current-buffer (erc-d-t-wait-for 8 (get-buffer "#chan"))
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(funcall expect 10 "But purgatory")))
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(ert-info ("Ask for help from services or bouncer bot")
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(with-current-buffer erc-server-buffer-foo
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(erc-cmd-MSG "*status help")))
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(ert-info ("Help received")
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(with-current-buffer (erc-d-t-wait-for 5 (get-buffer "*status"))
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(funcall expect 10 "Rehash")))
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(ert-info ("#chan convo done")
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(with-current-buffer "#chan"
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(funcall expect 10 "most egregious indignity"))))
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;; KLUDGE (see note above test)
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(should erc-autojoin-channels-alist)
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(setq erc-autojoin-channels-alist nil)
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(with-current-buffer erc-server-buffer-foo
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(erc-cmd-QUIT "")
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(erc-d-t-wait-for 4 (not (erc-server-process-alive)))
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(erc-cmd-RECONNECT))
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(ert-info ("Channel buffer found and associated")
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(with-current-buffer "#chan"
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(funcall expect 10 "Wilt thou rest damned")))
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(ert-info ("Help buffer found and associated")
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(with-current-buffer "*status"
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(erc-scenarios-common-say "help")
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(funcall expect 10 "Restart ZNC")))
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(ert-info ("#chan convo done")
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(with-current-buffer "#chan"
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(funcall expect 10 "here comes the lady")))))
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(ert-deftest erc-scenarios-base-cancel-reconnect ()
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:tags '(:expensive-test)
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(erc-scenarios-common-with-cleanup
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((erc-scenarios-common-dialog "base/reconnect")
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(dumb-server (erc-d-run "localhost" t 'timer 'timer 'timer-last))
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(port (process-contact dumb-server :service))
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(expect (erc-d-t-make-expecter))
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(erc-server-auto-reconnect t)
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erc-autojoin-channels-alist
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erc-server-buffer)
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(ert-info ("Connect to foonet")
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(setq erc-server-buffer (erc :server "127.0.0.1"
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:port port
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:nick "tester"
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:password "changeme"
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:full-name "tester"))
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(with-current-buffer erc-server-buffer
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(should (string= (buffer-name) (format "127.0.0.1:%d" port)))))
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(ert-info ("Two connection attempts, all stymied")
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(with-current-buffer erc-server-buffer
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(ert-info ("First two attempts behave normally")
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(dotimes (n 2)
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(ert-info ((format "Initial attempt %d" (1+ n)))
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(funcall expect 3 "Opening connection")
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(funcall expect 2 "Password incorrect")
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(funcall expect 2 "Connection failed!")
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(funcall expect 2 "Re-establishing connection"))))
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(ert-info ("/RECONNECT cancels timer but still attempts to connect")
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(erc-cmd-RECONNECT)
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(funcall expect 2 "Canceled")
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(funcall expect 3 "Opening connection")
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(funcall expect 2 "Password incorrect")
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(funcall expect 2 "Connection failed!")
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(funcall expect 2 "Re-establishing connection"))
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(ert-info ("Explicitly cancel timer")
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(erc-cmd-RECONNECT "cancel")
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(funcall expect 2 "Canceled")
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(erc-d-t-absent-for 1 "Opening connection" (point)))))
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(ert-info ("Server buffer is unique and temp name is absent")
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(should (equal (list (get-buffer (format "127.0.0.1:%d" port)))
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(erc-scenarios-common-buflist "127.0.0.1"))))))
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;;; erc-scenarios-base-reconnect.el ends here
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