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emacs/test/lisp/emacs-lisp/tabulated-list-tests.el

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;;; tabulated-list-tests.el --- Tests for emacs-lisp/tabulated-list.el -*- lexical-binding: t; -*-
;; Copyright (C) 2015-2024 Free Software Foundation, Inc.
;; Author: Artur Malabarba <bruce.connor.am@gmail.com>
;; 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 'tabulated-list)
(require 'ert)
(defconst tabulated-list--test-entries
'(("zzzz-game" ["zzzz-game" "zzzz-game" "2113" "installed" " play zzzz in Emacs"])
("4clojure" ["4clojure" "4clojure" "1507" "obsolete" " Open and evaluate 4clojure.com questions"])
("abc-mode" ["abc-mode" "abc-mode" "944" "available" " Major mode for editing abc music files"])
("mode" ["mode" "mode" "1128" "installed" " A simple mode for editing Actionscript 3 files"])))
(defun tabulated-list--test-sort-car (a b)
(string< (car a) (car b)))
(defconst tabulated-list--test-format
[("name" 10 tabulated-list--test-sort-car)
("name-2" 10 t)
("Version" 9 nil)
("Status" 10 )
("Description" 0 nil)])
(defmacro tabulated-list--test-with-buffer (&rest body)
`(with-temp-buffer
(tabulated-list-mode)
(setq tabulated-list-entries (copy-alist tabulated-list--test-entries))
(setq tabulated-list-format tabulated-list--test-format)
(setq tabulated-list-padding 7)
(tabulated-list-init-header)
(tabulated-list-print)
,@body))
;;; Tests
(ert-deftest tabulated-list-print ()
(tabulated-list--test-with-buffer
;; Basic printing.
(should (string-equal
(buffer-substring-no-properties (point-min) (point-max))
"\
zzzz-game zzzz-game 2113 installed play zzzz in Emacs
4clojure 4clojure 1507 obsolete Open and evaluate 4clojure.com questions
abc-mode abc-mode 944 available Major mode for editing abc music files
mode mode 1128 installed A simple mode for editing Actionscript 3 files
"))
;; Preserve position.
(forward-line 3)
(let ((pos (thing-at-point 'line)))
(pop tabulated-list-entries)
(tabulated-list-print t)
(should (equal (thing-at-point 'line) pos))
(should (string-equal
(buffer-substring-no-properties (point-min) (point-max))
"\
4clojure 4clojure 1507 obsolete Open and evaluate 4clojure.com questions
abc-mode abc-mode 944 available Major mode for editing abc music files
mode mode 1128 installed A simple mode for editing Actionscript 3 files
"))
;; Check the UPDATE argument
(pop tabulated-list-entries)
(setf (cdr (car tabulated-list-entries)) (list ["x" "x" "944" "available" " XX"]))
(tabulated-list-print t t)
(should (string-equal
(buffer-substring-no-properties (point-min) (point-max))
"\
x x 944 available XX
mode mode 1128 installed A simple mode for editing Actionscript 3 files
"))
(should (equal (thing-at-point 'line) pos)))))
(ert-deftest tabulated-list-sort ()
(tabulated-list--test-with-buffer
;; Basic sorting
(goto-char (point-min))
(skip-chars-forward "[:blank:]")
(tabulated-list-sort)
(let ((text (buffer-substring-no-properties (point-min) (point-max))))
(should (string-equal
text
"\
4clojure 4clojure 1507 obsolete Open and evaluate 4clojure.com questions
abc-mode abc-mode 944 available Major mode for editing abc music files
mode mode 1128 installed A simple mode for editing Actionscript 3 files
zzzz-game zzzz-game 2113 installed play zzzz in Emacs
"))
(skip-chars-forward "^[:blank:]")
(skip-chars-forward "[:blank:]")
(should (equal (get-text-property (point) 'tabulated-list-column-name)
"name-2"))
(tabulated-list-sort)
;; Check a t as the sorting predicate.
(should (string= text (buffer-substring-no-properties (point-min) (point-max))))
;; Invert.
(tabulated-list-sort 1)
(should (string-equal
(buffer-substring-no-properties (point-min) (point-max))
"\
zzzz-game zzzz-game 2113 installed play zzzz in Emacs
mode mode 1128 installed A simple mode for editing Actionscript 3 files
abc-mode abc-mode 944 available Major mode for editing abc music files
4clojure 4clojure 1507 obsolete Open and evaluate 4clojure.com questions
"))
;; Again
(tabulated-list-sort 1)
(should (string= text (buffer-substring-no-properties (point-min) (point-max)))))
;; Check that you can't sort some cols.
(skip-chars-forward "^[:blank:]")
(skip-chars-forward "[:blank:]")
(should-error (tabulated-list-sort) :type 'user-error)
(should-error (tabulated-list-sort 4) :type 'user-error)))
(ert-deftest tabulated-list-groups ()
(with-temp-buffer
(tabulated-list-mode)
(setq tabulated-list-groups
(reverse
(seq-group-by (lambda (b) (concat "* " (aref (cadr b) 3)))
tabulated-list--test-entries)))
(setq tabulated-list-format tabulated-list--test-format)
(setq tabulated-list-padding 7)
(tabulated-list-init-header)
(tabulated-list-print)
;; Basic printing.
(should (string-equal
(buffer-substring-no-properties (point-min) (point-max))
"\
* installed
zzzz-game zzzz-game 2113 installed play zzzz in Emacs
mode mode 1128 installed A simple mode for editing Actionscript 3 files
* available
abc-mode abc-mode 944 available Major mode for editing abc music files
* obsolete
4clojure 4clojure 1507 obsolete Open and evaluate 4clojure.com questions
"))
;; Sort and preserve position.
(forward-line 2)
(let ((pos (thing-at-point 'line)))
(tabulated-list-next-column 2)
(tabulated-list-sort)
(should (equal (thing-at-point 'line) pos))
(should (string-equal
(buffer-substring-no-properties (point-min) (point-max))
"\
* installed
mode mode 1128 installed A simple mode for editing Actionscript 3 files
zzzz-game zzzz-game 2113 installed play zzzz in Emacs
* available
abc-mode abc-mode 944 available Major mode for editing abc music files
* obsolete
4clojure 4clojure 1507 obsolete Open and evaluate 4clojure.com questions
")))))
(ert-deftest tabulated-list-groups-with-path ()
(with-temp-buffer
(tabulated-list-mode)
(setq tabulated-list-groups
(tabulated-list-groups
tabulated-list--test-entries
`( :path-function (lambda (entry)
(list (list (aref (cadr entry) 3))))
:sort-function (lambda (groups _level)
(sort groups :in-place t :key #'car)))))
(setq tabulated-list-format tabulated-list--test-format)
(setq tabulated-list-padding 7)
(tabulated-list-init-header)
(tabulated-list-print)
;; Basic printing.
(should (string-equal
(buffer-substring-no-properties (point-min) (point-max))
"\
* available
abc-mode abc-mode 944 available Major mode for editing abc music files
* installed
zzzz-game zzzz-game 2113 installed play zzzz in Emacs
mode mode 1128 installed A simple mode for editing Actionscript 3 files
* obsolete
4clojure 4clojure 1507 obsolete Open and evaluate 4clojure.com questions
"))))
;;; tabulated-list-tests.el ends here
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