test/automated/abbrev-tests.el

   1 ;;; abbrev-tests.el --- Test suite for abbrevs.
   2
   3 ;; Copyright (C) 2015-2016 Free Software Foundation, Inc.
   4
   5 ;; Author: Eli Zaretskii <eliz@gnu.org>
   6 ;; Keywords: abbrevs
   7
   8 ;; This file is part of GNU Emacs.
   9
  10 ;; GNU Emacs is free software: you can redistribute it and/or modify
  11 ;; it under the terms of the GNU General Public License as published by
  12 ;; the Free Software Foundation, either version 3 of the License, or
  13 ;; (at your option) any later version.
  14
  15 ;; GNU Emacs is distributed in the hope that it will be useful,
  16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;; GNU General Public License for more details.
  19
  20 ;; You should have received a copy of the GNU General Public License
  21 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  22
  23 ;;; Commentary:
  24
  25 ;; `kill-all-abbrevs-test' will remove all user *and* system abbrevs
  26 ;; if called noninteractively with the init file loaded.
  27
  28 ;;; Code:
  29
  30 (require 'ert)
  31 (require 'abbrev)
  32 (require 'seq)
  33
  34 ;; set up test abbrev table and abbrev entry
  35 (defun setup-test-abbrev-table ()
  36   (defvar ert-test-abbrevs nil)
  37   (define-abbrev-table 'ert-test-abbrevs '(("a-e-t" "abbrev-ert-test")))
  38   (abbrev-table-put ert-test-abbrevs :ert-test "ert-test-value")
  39   ert-test-abbrevs)
  40
  41 (ert-deftest copy-abbrev-table-test ()
  42   (defvar foo-abbrev-table nil)         ; Avoid compiler warning
  43   (define-abbrev-table 'foo-abbrev-table
  44     '())
  45   (should (abbrev-table-p foo-abbrev-table))
  46   ;; Bug 21828
  47   (let ((new-foo-abbrev-table
  48          (condition-case nil
  49              (copy-abbrev-table foo-abbrev-table)
  50            (error nil))))
  51     (should (abbrev-table-p new-foo-abbrev-table)))
  52   (should-not (string-equal (buffer-name) "*Backtrace*")))
  53
  54 (ert-deftest kill-all-abbrevs-test ()
  55   "Test undefining all defined abbrevs"
  56   (unless noninteractive
  57     (ert-skip "Cannot test kill-all-abbrevs in interactive mode"))
  58
  59   (let ((num-tables 0))
  60     ;; ensure at least one abbrev exists
  61     (should (abbrev-table-p (setup-test-abbrev-table)))
  62     (setf num-tables (length abbrev-table-name-list))
  63     (kill-all-abbrevs)
  64
  65     ;; no tables should have been removed/added
  66     (should (= num-tables (length abbrev-table-name-list)))
  67     ;; number of empty tables should be the same as number of tables
  68     (should (= num-tables (length (seq-filter
  69                                    (lambda (table)
  70                                        (abbrev-table-empty-p (symbol-value table)))
  71                                    abbrev-table-name-list))))))
  72
  73 (ert-deftest abbrev-table-name-test ()
  74   "Test returning name of abbrev-table"
  75   (let ((ert-test-abbrevs (setup-test-abbrev-table))
  76         (no-such-table nil))
  77     (should (equal 'ert-test-abbrevs (abbrev-table-name ert-test-abbrevs)))
  78     (should (equal nil (abbrev-table-name no-such-table)))))
  79
  80 (ert-deftest clear-abbrev-table-test ()
  81   "Test clearing single abbrev table"
  82   (let ((ert-test-abbrevs (setup-test-abbrev-table)))
  83     (should (equal "a-e-t" (symbol-name
  84                             (abbrev-symbol "a-e-t" ert-test-abbrevs))))
  85     (should (equal "abbrev-ert-test" (symbol-value
  86                                       (abbrev-symbol "a-e-t" ert-test-abbrevs))))
  87
  88     (clear-abbrev-table ert-test-abbrevs)
  89
  90     (should (equal "nil" (symbol-name
  91                           (abbrev-symbol "a-e-t" ert-test-abbrevs))))
  92     (should (equal nil (symbol-value
  93                         (abbrev-symbol "a-e-t" ert-test-abbrevs))))
  94     (should (equal t (abbrev-table-empty-p ert-test-abbrevs)))))
  95
  96 (provide 'abbrev-tests)
  97
  98 ;;; abbrev-tests.el ends here