141 lines
6.0 KiB
EmacsLisp
141 lines
6.0 KiB
EmacsLisp
;;; erc-scenarios-scrolltobottom-relaxed.el --- erc-scrolltobottom-all relaxed -*- lexical-binding: t -*-
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;; Copyright (C) 2023-2024 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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;; TODO assert behavior of prompt input spanning multiple lines, with
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;; and without line endings.
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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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(require 'erc-goodies)
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(ert-deftest erc-scenarios-scrolltobottom--relaxed ()
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:tags `(:expensive-test
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,@(and (getenv "ERC_TESTS_GRAPHICAL") '(:erc--graphical)))
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(when (version< emacs-version "29") (ert-skip "Times out"))
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(should-not erc-scrolltobottom-all)
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(erc-scenarios-common-with-noninteractive-in-term
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((erc-scenarios-common-dialog "scrolltobottom")
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(dumb-server (erc-d-run "localhost" t 'help))
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(port (process-contact dumb-server :service))
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(erc-modules `(scrolltobottom fill-wrap ,@erc-modules))
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(erc-scrolltobottom-all 'relaxed)
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(erc-server-flood-penalty 0.1)
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(expect (erc-d-t-make-expecter))
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lower upper)
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(ert-info ("Connect")
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(with-current-buffer (erc :server "127.0.0.1"
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:port port
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:full-name "tester"
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:nick "tester")
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(funcall expect 10 "debug mode")))
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(with-current-buffer "foonet"
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(should (looking-at " and"))
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(set-window-buffer nil (current-buffer))
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(delete-other-windows)
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(split-window-below 15)
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(recenter 0)
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(ert-info ("Moving into prompt does not trigger scroll")
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(with-selected-window (next-window)
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(should-not (erc-scenarios-common--at-win-end-p))
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(recenter 0)
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(goto-char (1- erc-insert-marker))
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(execute-kbd-macro "\C-n")
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(should-not (erc-scenarios-common--at-win-end-p))
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(should (= (point) (point-max)))
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(setq lower (count-screen-lines (window-start) (window-point)))))
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(ert-info ("Module `move-to-prompt' still works")
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;; Prompt is somewhere in the middle of the window.
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(should (erc-scenarios-common--above-win-end-p))
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(should-not (= (point-max) (point)))
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;; Hitting a self-insert key triggers `move-to-prompt' but not
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;; a scroll (to bottom).
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(execute-kbd-macro "hi")
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;; Prompt and input appear on same line.
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(should (= (point-max) (point)))
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(setq upper (count-screen-lines (window-start) (window-point)))
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(should-not (= upper (window-body-height))))
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(ert-info ("Command `recenter-top-bottom' allowed at prompt")
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;; Hitting C-l recenters the window.
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(should (= upper (count-screen-lines (window-start) (window-point))))
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(let ((lines (list upper)))
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(erc-scenarios-common--recenter-top-bottom)
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(push (count-screen-lines (window-start) (window-point)) lines)
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(erc-scenarios-common--recenter-top-bottom)
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(push (count-screen-lines (window-start) (window-point)) lines)
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(erc-scenarios-common--recenter-top-bottom)
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(push (count-screen-lines (window-start) (window-point)) lines)
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(setq lines (delete-dups lines))
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(should (= (length lines) 4))))
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(ert-info ("Command `beginning-of-buffer' allowed at prompt")
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;; Hitting C-< goes to beginning of buffer.
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(execute-kbd-macro "\M-<")
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(should (= 1 (point)))
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(redisplay)
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(should (zerop (count-screen-lines (window-start) (window-point))))
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(should (erc-scenarios-common--prompt-past-win-end-p)))
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(ert-info ("New message doesn't trigger scroll when away from prompt")
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;; Arriving insertions don't trigger a scroll when away from the
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;; prompt. New output not seen.
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(erc-cmd-MSG "NickServ help register")
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(save-excursion (erc-d-t-search-for 10 "End of NickServ"))
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(should (= 1 (point)))
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(should (zerop (count-screen-lines (window-start) (window-point))))
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(should (erc-scenarios-common--prompt-past-win-end-p)))
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(ert-info ("New insertion keeps prompt stationary in other window")
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(let ((w (next-window)))
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;; We're at prompt and completely stationary.
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(should (>= (window-point w) erc-input-marker))
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(erc-d-t-wait-for 10
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(= lower (count-screen-lines (window-start w) (window-point w))))
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(erc-d-t-ensure-for 0.5
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(= lower (count-screen-lines (window-start w)
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(window-point w))))))
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(should (= 2 (length (window-list))))
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(ert-info ("New message does not trigger a scroll when at prompt")
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;; Recenter so prompt is above rather than at window's end.
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(funcall expect 10 "End of NickServ HELP")
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(recenter 0)
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(set-window-point nil (point-max))
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(setq upper (count-screen-lines (window-start) (window-point)))
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;; Prompt is somewhere in the middle of the window.
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(erc-d-t-wait-for 10 (erc-scenarios-common--above-win-end-p))
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(erc-scenarios-common-say "/msg NickServ help identify")
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;; New arriving messages don't move prompt.
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(erc-d-t-ensure-for 1
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(= upper (count-screen-lines (window-start) (window-point))))
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(funcall expect 10 "IDENTIFY lets you login")))))
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;;; erc-scenarios-scrolltobottom-relaxed.el ends here
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