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+;;; erc-goodies-tests.el --- Tests for erc-goodies -*- lexical-binding:t -*-
+
+;; Copyright (C) 2023-2024 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/>.
+
+;;; Commentary:
+;;; Code:
+(require 'erc-goodies)
+
+(require 'ert-x)
+(eval-and-compile
+ (let ((load-path (cons (ert-resource-directory) load-path)))
+ (require 'erc-tests-common)))
+
+(defun erc-goodies-tests--assert-face (beg end-str present &optional absent)
+ (setq beg (+ beg (point-min)))
+ (let ((end (+ beg (1- (length end-str)))))
+ (ert-info ((format "beg: %S, end-str: %S" beg end-str))
+ (while (and beg (< beg end))
+ (let* ((val (get-text-property beg 'font-lock-face))
+ (ft (flatten-tree (ensure-list val))))
+ (ert-info ((format "looking-at: %S, val: %S"
+ (buffer-substring-no-properties beg end)
+ val))
+ (dolist (p (ensure-list present))
+ (if (consp p)
+ (should (member p val))
+ (should (memq p ft))))
+ (dolist (a (ensure-list absent))
+ (if (consp a)
+ (should-not (member a val))
+ (should-not (memq a ft)))))
+ (setq beg (text-property-not-all beg (point-max)
+ 'font-lock-face val)))))))
+
+;; These are from the "Examples" section of
+;; https://modern.ircdocs.horse/formatting.html
+
+(ert-deftest erc-controls-highlight--examples ()
+ (should (eq t erc-interpret-controls-p))
+ (let ((erc-insert-modify-hook '(erc-controls-highlight))
+ erc-kill-channel-hook erc-kill-server-hook erc-kill-buffer-hook)
+ (with-current-buffer (get-buffer-create "#chan")
+ (erc-mode)
+ (setq-local erc-interpret-mirc-color t)
+ (erc--initialize-markers (point) nil)
+
+ (let* ((m "I love \C-c3IRC!\C-c It is the \C-c7best protocol ever!")
+ (msg (erc-format-privmessage "bob" m nil t)))
+ (erc-display-message nil nil (current-buffer) msg))
+ (forward-line -1)
+ (should (search-forward "<bob> " nil t))
+ (save-restriction
+ (narrow-to-region (point) (pos-eol))
+ (erc-goodies-tests--assert-face
+ 0 "I love" 'erc-default-face 'fg:erc-color-face3)
+ (erc-goodies-tests--assert-face
+ 7 " IRC!" 'fg:erc-color-face3)
+ (erc-goodies-tests--assert-face
+ 11 " It is the " 'erc-default-face 'fg:erc-color-face7)
+ (erc-goodies-tests--assert-face
+ 22 "best protocol ever!" 'fg:erc-color-face7))
+
+ (let* ((m "This is a \C-]\C-c13,9cool \C-cmessage")
+ (msg (erc-format-privmessage "alice" m nil t)))
+ (erc-display-message nil nil (current-buffer) msg))
+ (should (search-forward "<alice> " nil t))
+ (save-restriction
+ (narrow-to-region (point) (pos-eol))
+ (erc-goodies-tests--assert-face
+ 0 "this is a " 'erc-default-face 'erc-italic-face)
+ (erc-goodies-tests--assert-face
+ 10 "cool " '(erc-italic-face fg:erc-color-face13 bg:erc-color-face9))
+ (erc-goodies-tests--assert-face
+ 15 "message" 'erc-italic-face
+ '(fg:erc-color-face13 bg:erc-color-face9)))
+
+ (let* ((m "IRC \C-bis \C-c4,12so \C-cgreat\C-o!")
+ (msg (erc-format-privmessage "bob" m nil t)))
+ (erc-display-message nil nil (current-buffer) msg))
+ (should (search-forward "<bob> " nil t))
+ (save-restriction
+ (narrow-to-region (point) (pos-eol))
+ (erc-goodies-tests--assert-face
+ 0 "IRC " 'erc-default-face 'erc-bold-face)
+ (erc-goodies-tests--assert-face
+ 4 "is " 'erc-bold-face '(fg:erc-color-face4 bg:erc-color-face12))
+ (erc-goodies-tests--assert-face
+ 7 "so " '(erc-bold-face fg:erc-color-face4 bg:erc-color-face12))
+ (erc-goodies-tests--assert-face
+ 10 "great" 'erc-bold-face '(fg:erc-color-face4 bg:erc-color-face12))
+ (erc-goodies-tests--assert-face
+ 15 "!" 'erc-default-face 'erc-bold-face))
+
+ (let* ((m (concat "Rules: Don't spam 5\C-c13,8,6\C-c,7,8, "
+ "and especially not \C-b9\C-b\C-]!"))
+ (msg (erc-format-privmessage "alice" m nil t)))
+ (erc-display-message nil nil (current-buffer) msg))
+ (should (search-forward "<alice> " nil t))
+ (save-restriction
+ (narrow-to-region (point) (pos-eol))
+ (erc-goodies-tests--assert-face
+ 0 "Rules: Don't spam 5" 'erc-default-face
+ '(fg:erc-color-face13 bg:erc-color-face8))
+ (erc-goodies-tests--assert-face
+ 19 ",6" '(fg:erc-color-face13 bg:erc-color-face8))
+ (erc-goodies-tests--assert-face
+ 21 ",7,8, and especially not " 'erc-default-face
+ '(fg:erc-color-face13 bg:erc-color-face8 erc-bold-face))
+ (erc-goodies-tests--assert-face
+ 44 "9" 'erc-bold-face 'erc-italic-face)
+ (erc-goodies-tests--assert-face
+ 45 "!" 'erc-italic-face 'erc-bold-face))
+
+ (when noninteractive
+ (kill-buffer)))))
+
+;; Like the test above, this is most intuitive when run interactively.
+;; Hovering over the redacted area should reveal its underlying text
+;; in a high-contrast face.
+
+(ert-deftest erc-controls-highlight--spoilers ()
+ (should (eq t erc-interpret-controls-p))
+ (erc-tests-common-make-server-buf)
+ (with-current-buffer (erc--open-target "#chan")
+ (setq-local erc-interpret-mirc-color t)
+ (let* ((raw (concat "BEGIN "
+ "\C-c0,0 WhiteOnWhite "
+ "\C-c1,1 BlackOnBlack "
+ "\C-c99,99 Default "
+ "\C-o END"))
+ (msg (erc-format-privmessage "bob" raw nil t)))
+ (erc-display-message nil nil (current-buffer) msg))
+ (forward-line -1)
+ (should (search-forward "<bob> " nil t))
+ (save-restriction
+ ;; Narrow to EOL or start of right-side stamp.
+ (narrow-to-region (point) (line-end-position))
+ (save-excursion
+ (search-forward "WhiteOn")
+ (should (eq (get-text-property (point) 'mouse-face)
+ 'erc-spoiler-face))
+ (search-forward "BlackOn")
+ (should (eq (get-text-property (point) 'mouse-face)
+ 'erc-spoiler-face)))
+ ;; Start wtih ERC default face.
+ (erc-goodies-tests--assert-face
+ 0 "BEGIN " 'erc-default-face
+ '(fg:erc-color-face0 bg:erc-color-face0))
+ ;; Masked in all white.
+ (erc-goodies-tests--assert-face
+ 6 "WhiteOnWhite" '(fg:erc-color-face0 bg:erc-color-face0)
+ '(fg:erc-color-face1 bg:erc-color-face1))
+ ;; Masked in all black.
+ (erc-goodies-tests--assert-face
+ 20 "BlackOnBlack" '(fg:erc-color-face1 bg:erc-color-face1) nil)
+ ;; Explicit "default" code ignoerd.
+ (erc-goodies-tests--assert-face
+ 34 "Default" '(erc-default-face)
+ '(fg:erc-color-face1 bg:erc-color-face1))
+ (erc-goodies-tests--assert-face
+ 43 "END" 'erc-default-face nil)))
+ (when noninteractive
+ (erc-tests-common-kill-buffers)))
+
+(ert-deftest erc-controls-highlight--inverse ()
+ (should (eq t erc-interpret-controls-p))
+ (erc-tests-common-make-server-buf)
+ (with-current-buffer (erc--open-target "#chan")
+ (setq-local erc-interpret-mirc-color t)
+ (defvar erc-fill-column)
+ (let* ((erc-fill-column 90)
+ (raw (concat "BEGIN "
+ "\C-c3,13 GreenOnPink "
+ "\C-v PinkOnGreen "
+ "\C-c99,99 ReversedDefault "
+ "\C-v NormalDefault "
+ "\C-o END"))
+ (msg (erc-format-privmessage "bob" raw nil t)))
+ (erc-display-message nil nil (current-buffer) msg))
+ (forward-line -1)
+ (should (search-forward "<bob> " nil t))
+ (save-restriction
+ ;; Narrow to EOL or start of right-side stamp.
+ (narrow-to-region (point) (line-end-position))
+ ;; Baseline.
+ (erc-goodies-tests--assert-face
+ 0 "BEGIN " 'erc-default-face
+ '(fg:erc-color-face0 bg:erc-color-face0))
+ ;; Normal fg/bg combo.
+ (erc-goodies-tests--assert-face
+ 6 "GreenOnPink" '(fg:erc-color-face3 bg:erc-color-face13)
+ '(erc-inverse-face))
+ ;; Reverse of previous, so former-bg on former-fg.
+ (erc-goodies-tests--assert-face
+ 19 "PinkOnGreen"
+ '(erc-inverse-face fg:erc-color-face3 bg:erc-color-face13)
+ nil)
+ ;; The inverse of `default' because reverse still in effect.
+ (erc-goodies-tests--assert-face
+ 32 "ReversedDefault" '(erc-inverse-face erc-default-face)
+ '(fg:erc-color-face3 bg:erc-color-face13))
+ (erc-goodies-tests--assert-face
+ 49 "NormalDefault" '(erc-default-face)
+ '(erc-inverse-face fg:erc-color-face1 bg:erc-color-face1))
+ (erc-goodies-tests--assert-face
+ 64 "END" 'erc-default-face
+ '(fg:erc-color-face0 bg:erc-color-face0))))
+ (when noninteractive
+ (erc-tests-common-kill-buffers)))
+
+;; This is meant to assert two behavioral properties:
+;;
+;; 1) The background is preserved when only a new foreground is
+;; defined, in accordance with this bit from the spec: "If only the
+;; foreground color is set, the background color stays the same."
+;; https://modern.ircdocs.horse/formatting#color
+;;
+;; 2) The same holds true for a new, lone foreground of 99. Rather
+;; than prepend `erc-default-face', this causes the removal of an
+;; existing foreground face and likewise doesn't clobber the
+;; existing background.
+(ert-deftest erc-controls-highlight/default-foreground ()
+ (should (eq t erc-interpret-controls-p))
+ (erc-tests-common-make-server-buf)
+ (with-current-buffer (erc--open-target "#chan")
+ (setq-local erc-interpret-mirc-color t)
+ (defvar erc-fill-column)
+ (let ((erc-fill-column 90))
+ (erc-display-message nil nil (current-buffer)
+ (erc-format-privmessage
+ "bob" (concat "BEGIN "
+ "\C-c03,08 GreenOnYellow "
+ "\C-c99 BlackOnYellow "
+ "\C-o END")
+ nil t)))
+ (forward-line -1)
+ (should (search-forward "<bob> " nil t))
+ (should (erc-tests-common-equal-with-props
+ (erc--remove-text-properties
+ (buffer-substring (point) (line-end-position)))
+ #("BEGIN GreenOnYellow BlackOnYellow END"
+ 0 6 (font-lock-face erc-default-face)
+ 6 21 (font-lock-face (fg:erc-color-face3
+ bg:erc-color-face8
+ erc-default-face))
+ 21 36 (font-lock-face (bg:erc-color-face8
+ erc-default-face))
+ 36 40 (font-lock-face (erc-default-face)))))
+ (should (search-forward "BlackOnYellow"))
+ (let ((faces (get-text-property (point) 'font-lock-face)))
+ (should (equal (face-background (car faces) nil (cdr faces))
+ "yellow")))
+
+ ;; Redefine background color alongside default foreground.
+ (let ((erc-fill-column 90))
+ (erc-display-message nil nil (current-buffer)
+ (erc-format-privmessage
+ "bob" (concat "BEGIN "
+ "\C-c03,08 GreenOnYellow "
+ "\C-c99,07 BlackOnOrange "
+ "\C-o END")
+ nil t)))
+ (should (search-forward "<bob> " nil t))
+ (should (erc-tests-common-equal-with-props
+ (erc--remove-text-properties
+ (buffer-substring (point) (line-end-position)))
+ #("BEGIN GreenOnYellow BlackOnOrange END"
+ 0 6 (font-lock-face erc-default-face)
+ 6 21 (font-lock-face (fg:erc-color-face3
+ bg:erc-color-face8
+ erc-default-face))
+ 21 36 (font-lock-face (bg:erc-color-face7
+ erc-default-face))
+ 36 40 (font-lock-face (erc-default-face)))))
+ (should (search-forward "BlackOnOrange"))
+ (let ((faces (get-text-property (point) 'font-lock-face)))
+ (should (equal (face-background (car faces) nil (cdr faces))
+ "orange")))) ; as opposed to white or black
+ (when noninteractive
+ (erc-tests-common-kill-buffers)))
+
+;; This merely asserts our current interpretation of "default faces":
+;; that they reflect the foreground and background exhibited by normal
+;; chat messages before any control-code formatting is applied (rather
+;; than, e.g., some sort of negation or no-op).
+(ert-deftest erc-controls-highlight/default-background ()
+ (should (eq t erc-interpret-controls-p))
+ (erc-tests-common-make-server-buf)
+ (with-current-buffer (erc--open-target "#chan")
+ (setq-local erc-interpret-mirc-color t)
+ (defvar erc-fill-column)
+ (let ((erc-fill-column 90))
+ (erc-display-message nil nil (current-buffer)
+ (erc-format-privmessage
+ "bob" (concat "BEGIN "
+ "\C-c03,08 GreenOnYellow "
+ "\C-c05,99 BrownOnWhite "
+ "\C-o END")
+ nil t)))
+ (forward-line -1)
+ (should (search-forward "<bob> " nil t))
+ (should (erc-tests-common-equal-with-props
+ (erc--remove-text-properties
+ (buffer-substring (point) (line-end-position)))
+ #("BEGIN GreenOnYellow BrownOnWhite END"
+ 0 6 (font-lock-face erc-default-face)
+ 6 21 (font-lock-face (fg:erc-color-face3
+ bg:erc-color-face8
+ erc-default-face))
+ 21 35 (font-lock-face (fg:erc-color-face5
+ erc-default-face))
+ 35 39 (font-lock-face (erc-default-face)))))
+ ;; Ensure the background is white or black, rather than yellow.
+ (should (search-forward "BrownOnWhite"))
+ (let ((faces (get-text-property (point) 'font-lock-face)))
+ (should (equal (face-background (car faces) nil `(,@(cdr faces) default))
+ (face-background 'default)))))
+ (when noninteractive
+ (erc-tests-common-kill-buffers)))
+
+(defvar erc-goodies-tests--motd
+ ;; This is from ergo's MOTD
+ '((":- - this is \2bold text\17.")
+ (":- - this is \35italics text\17.")
+ (":- - this is \0034red\3 and \0032blue\3 text.")
+ (":- - this is \0034,12red text with a light blue background\3.")
+ (":- - this is a normal escaped dollarsign: $")
+ (":- ")
+ (":- "
+ "\0031,0 00 \0030,1 01 \0030,2 02 \0030,3 03 "
+ "\0031,4 04 \0030,5 05 \0030,6 06 \0031,7 07 ")
+ (":- "
+ "\0031,8 08 \0031,9 09 \0030,10 10 \0031,11 11 "
+ "\0030,12 12 \0031,13 13 \0031,14 14 \0031,15 15 ")
+ (":- ")
+ (":- "
+ "\0030,16 16 \0030,17 17 \0030,18 18 \0030,19 19 "
+ "\0030,20 20 \0030,21 21 \0030,22 22 \0030,23 23 "
+ "\0030,24 24 \0030,25 25 \0030,26 26 \0030,27 27 ")
+ (":- "
+ "\0030,28 28 \0030,29 29 \0030,30 30 \0030,31 31 "
+ "\0030,32 32 \0030,33 33 \0030,34 34 \0030,35 35 "
+ "\0030,36 36 \0030,37 37 \0030,38 38 \0030,39 39 ")
+ (":- "
+ "\0030,40 40 \0030,41 41 \0030,42 42 \0030,43 43 "
+ "\0030,44 44 \0030,45 45 \0030,46 46 \0030,47 47 "
+ "\0030,48 48 \0030,49 49 \0030,50 50 \0030,51 51 ")
+ (":- "
+ "\0030,52 52 \0030,53 53 \0031,54 54 \0031,55 55 "
+ "\0031,56 56 \0031,57 57 \0031,58 58 \0030,59 59 "
+ "\0030,60 60 \0030,61 61 \0030,62 62 \0030,63 63 ")
+ (":- "
+ "\0030,64 64 \0031,65 65 \0031,66 66 \0031,67 67 "
+ "\0031,68 68 \0031,69 69 \0031,70 70 \0031,71 71 "
+ "\0030,72 72 \0030,73 73 \0030,74 74 \0030,75 75 ")
+ (":- "
+ "\0031,76 76 \0031,77 77 \0031,78 78 \0031,79 79 "
+ "\0031,80 80 \0031,81 81 \0031,82 82 \0031,83 83 "
+ "\0031,84 84 \0031,85 85 \0031,86 86 \0031,87 87 ")
+ (":- "
+ "\0030,88 88 \0030,89 89 \0030,90 90 \0030,91 91 "
+ "\0030,92 92 \0030,93 93 \0030,94 94 \0030,95 95 "
+ "\0031,96 96 \0031,97 97 \0031,98 98 \399,99 99 ")
+ (":- ")))
+
+(ert-deftest erc-controls-highlight--motd ()
+ (should (eq t erc-interpret-controls-p))
+ (let ((erc-insert-modify-hook '(erc-controls-highlight))
+ erc-kill-channel-hook erc-kill-server-hook erc-kill-buffer-hook)
+ (with-current-buffer (get-buffer-create "#chan")
+ (erc-mode)
+ (setq-local erc-interpret-mirc-color t)
+ (erc--initialize-markers (point) nil)
+
+ (dolist (parts erc-goodies-tests--motd)
+ (erc-display-message nil 'notice (current-buffer) (string-join parts)))
+
+ ;; Spot check
+ (goto-char (point-min))
+ (should (search-forward " 16 " nil t))
+ (save-restriction
+ (narrow-to-region (point) (pos-eol))
+ (erc-goodies-tests--assert-face
+ 0 " 17 " '(fg:erc-color-face0 (:background "#472100")))
+ (erc-goodies-tests--assert-face
+ 4 " 18 " '(fg:erc-color-face0 (:background "#474700"))
+ '((:background "#472100"))))
+
+ (should (search-forward " 71 " nil t))
+ (save-restriction
+ (narrow-to-region (point) (pos-eol))
+ (erc-goodies-tests--assert-face
+ 0 " 72 " '(fg:erc-color-face0 (:background "#5959ff")))
+ (erc-goodies-tests--assert-face
+ 4 " 73 " '(fg:erc-color-face0 (:background "#c459ff"))
+ '((:background "#5959ff"))))
+
+ (goto-char (point-min))
+ (when noninteractive
+ (kill-buffer)))))
+
+
+;; Among other things, this test also asserts that a local module's
+;; minor-mode toggle is allowed to disable its mode variable as
+;; needed.
+
+(defun erc-goodies-tests--assert-kp-indicator-on ()
+ (should erc--keep-place-indicator-overlay)
+ (should (memq 'erc--keep-place-indicator-on-window-buffer-change
+ window-buffer-change-functions))
+ (should (memq 'erc-keep-place erc-insert-pre-hook))
+ (should (eq erc-keep-place-mode
+ (not (local-variable-p 'erc-insert-pre-hook)))))
+
+(defun erc-goodies-tests--assert-kp-indicator-off ()
+ (should-not (local-variable-p 'erc-insert-pre-hook))
+ (should-not (memq 'erc--keep-place-indicator-on-window-buffer-change
+ window-buffer-change-functions))
+ (should-not erc--keep-place-indicator-overlay))
+
+(defun erc-goodies-tests--kp-indicator-populate ()
+ (erc-display-message nil 'notice (current-buffer)
+ "This buffer is for text that is not saved")
+ (erc-display-message nil 'notice (current-buffer)
+ "and for lisp evaluation")
+ (should (search-forward "saved" nil t))
+ (erc-keep-place-move nil)
+ (goto-char erc-input-marker))
+
+(defun erc-goodies-tests--keep-place-indicator (test)
+ (erc-keep-place-mode -1)
+ (with-current-buffer (erc-tests-common-make-server-buf
+ "*erc-keep-place-indicator-mode*")
+ (let (erc-connect-pre-hook
+ erc-modules)
+
+ (ert-info ("Clean slate")
+ (erc-goodies-tests--assert-kp-indicator-off)
+ (should-not erc-keep-place-mode)
+ (should-not (memq 'keep-place erc-modules)))
+
+ (funcall test))
+
+ (when noninteractive
+ (erc-keep-place-indicator-mode -1)
+ (erc-keep-place-mode -1)
+ (should-not (member 'erc-keep-place
+ (default-value 'erc-insert-pre-hook)))
+ (should-not (local-variable-p 'erc-insert-pre-hook))
+ (erc-tests-common-kill-buffers))))
+
+(ert-deftest erc-keep-place-indicator-mode--no-global ()
+ (erc-goodies-tests--keep-place-indicator
+ (lambda ()
+
+ (ert-info ("Value t")
+ (should (eq erc-keep-place-indicator-buffer-type t))
+ (erc-keep-place-indicator-mode +1)
+ (erc-goodies-tests--assert-kp-indicator-on)
+ (goto-char (point-min)))
+
+ (erc-keep-place-indicator-mode -1)
+ (erc-goodies-tests--assert-kp-indicator-off)
+
+ (ert-info ("Value `target'")
+ (let ((erc-keep-place-indicator-buffer-type 'target))
+ ;; No-op because server buffer.
+ (erc-keep-place-indicator-mode +1)
+ (erc-goodies-tests--assert-kp-indicator-off)
+ ;; Spoof target buffer (no longer no-op).
+ (setq erc--target (erc--target-from-string "#chan"))
+ (erc-keep-place-indicator-mode +1)
+ (erc-goodies-tests--assert-kp-indicator-on)))
+
+ (erc-keep-place-indicator-mode -1)
+ (erc-goodies-tests--assert-kp-indicator-off)
+
+ (ert-info ("Value `server'")
+ (let ((erc-keep-place-indicator-buffer-type 'server))
+ (erc-keep-place-indicator-mode +1)
+ (erc-goodies-tests--assert-kp-indicator-off)
+ (setq erc--target nil)
+ (erc-keep-place-indicator-mode +1)
+ (erc-goodies-tests--assert-kp-indicator-on)))
+
+ ;; Populate buffer
+ (erc-goodies-tests--kp-indicator-populate)
+
+ (ert-info ("Indicator survives reconnect")
+ (let ((erc--server-reconnecting (buffer-local-variables)))
+ (cl-letf (((symbol-function 'erc-server-connect) #'ignore))
+ (erc-open "localhost" 6667 "tester" "Tester" 'connect
+ nil nil nil nil nil "tester" nil)))
+ (erc-goodies-tests--assert-kp-indicator-on)
+ (should (= (point) erc-input-marker))
+ (goto-char (overlay-start erc--keep-place-indicator-overlay))
+ (should (looking-at (rx "*** This buffer is for text")))))))
+
+(ert-deftest erc-keep-place-indicator-mode--global ()
+ (erc-goodies-tests--keep-place-indicator
+ (lambda ()
+
+ (push 'keep-place erc-modules)
+
+ (ert-info ("Value t")
+ (should (eq erc-keep-place-indicator-buffer-type t))
+ (erc-keep-place-indicator-mode +1)
+ (erc-goodies-tests--assert-kp-indicator-on)
+ ;; Local module activates global `keep-place'.
+ (should erc-keep-place-mode)
+ ;; Does not register local version of hook (otherwise would run
+ ;; twice).
+ (should-not (local-variable-p 'erc-insert-pre-hook))
+ (goto-char (point-min)))
+
+ (erc-keep-place-indicator-mode -1)
+ (erc-goodies-tests--assert-kp-indicator-off)
+ (should erc-keep-place-mode)
+ (should (member 'erc-keep-place erc-insert-pre-hook))
+
+ (ert-info ("Value `target'")
+ (let ((erc-keep-place-indicator-buffer-type 'target))
+ ;; No-op because server buffer.
+ (erc-keep-place-indicator-mode +1)
+ (erc-goodies-tests--assert-kp-indicator-off)
+ ;; Does not interfere with global activation state.
+ (should erc-keep-place-mode)
+ (should (member 'erc-keep-place erc-insert-pre-hook))
+ ;; Morph into a target buffer (no longer no-op).
+ (setq erc--target (erc--target-from-string "#chan"))
+ (erc-keep-place-indicator-mode +1)
+ (erc-goodies-tests--assert-kp-indicator-on)
+ ;; Does not register local version of hook.
+ (should-not (local-variable-p 'erc-insert-pre-hook))))
+
+ (erc-keep-place-indicator-mode -1)
+ (erc-goodies-tests--assert-kp-indicator-off)
+ (should erc-keep-place-mode)
+ (should (member 'erc-keep-place erc-insert-pre-hook))
+
+ (ert-info ("Value `server'")
+ (let ((erc-keep-place-indicator-buffer-type 'server))
+ ;; No-op because we're now a target buffer.
+ (erc-keep-place-indicator-mode +1)
+ (erc-goodies-tests--assert-kp-indicator-off)
+ (should erc-keep-place-mode)
+ (should (member 'erc-keep-place erc-insert-pre-hook))
+ ;; Back to server.
+ (setq erc--target nil)
+ (erc-keep-place-indicator-mode +1)
+ (erc-goodies-tests--assert-kp-indicator-on)
+ (should-not (local-variable-p 'erc-insert-pre-hook))))
+
+ (ert-info ("Local adapts to global toggle")
+ (erc-keep-place-mode -1)
+ (should-not (member 'erc-keep-place
+ (default-value 'erc-insert-pre-hook)))
+ (should (member 'erc-keep-place erc-insert-pre-hook))
+ (erc-goodies-tests--assert-kp-indicator-on)
+ (erc-keep-place-mode +1)
+ (should (member 'erc-keep-place (default-value 'erc-insert-pre-hook)))
+ (should-not (local-variable-p 'erc-insert-pre-hook))
+ (erc-goodies-tests--assert-kp-indicator-on))
+
+ ;; Populate buffer
+ (erc-goodies-tests--kp-indicator-populate)
+
+ (ert-info ("Indicator survives reconnect")
+ (let ((erc--server-reconnecting (buffer-local-variables)))
+ (cl-letf (((symbol-function 'erc-server-connect) #'ignore))
+ (erc-open "localhost" 6667 "tester" "Tester" 'connect
+ nil nil nil nil nil "tester" nil)))
+ (erc-goodies-tests--assert-kp-indicator-on)
+ (should erc-keep-place-mode)
+ (should (member 'erc-keep-place erc-insert-pre-hook))
+ (should (= (point) erc-input-marker))
+ (goto-char (overlay-start erc--keep-place-indicator-overlay))
+ (should (looking-at (rx "*** This buffer is for text")))))))
+
+(ert-deftest erc--get-inserted-msg-beg/readonly ()
+ (erc-tests-common-assert-get-inserted-msg-readonly-with
+ #'erc-tests-common-assert-get-inserted-msg/basic
+ (lambda (arg) (should (= 3 (erc--get-inserted-msg-beg arg))))))
+
+(ert-deftest erc--get-inserted-msg-end/readonly ()
+ (erc-tests-common-assert-get-inserted-msg-readonly-with
+ #'erc-tests-common-assert-get-inserted-msg/basic
+ (lambda (arg) (should (= 11 (erc--get-inserted-msg-end arg))))))
+
+(ert-deftest erc--get-inserted-msg-bounds/readonly ()
+ (erc-tests-common-assert-get-inserted-msg-readonly-with
+ #'erc-tests-common-assert-get-inserted-msg/basic
+ (lambda (arg)
+ (should (equal '(3 . 11) (erc--get-inserted-msg-bounds arg))))))
+
+
+;;; erc-goodies-tests.el ends here