code.delx.au - gnu-emacs/blob - test/lisp/abbrev-tests.el

   1 ;;; abbrev-tests.el --- Test suite for abbrevs  -*- lexical-binding: t; -*-
   2
   3 ;; Copyright (C) 2015 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 abbrev-table-p-test ()
  42   (should-not (abbrev-table-p 42))
  43   (should-not (abbrev-table-p "aoeu"))
  44   (should-not (abbrev-table-p '()))
  45   (should-not (abbrev-table-p []))
  46   ;; Missing :abbrev-table-modiff counter:
  47   (should-not (abbrev-table-p (obarray-make)))
  48   (let* ((table (obarray-make)))
  49     (abbrev-table-put table :abbrev-table-modiff 42)
  50     (should (abbrev-table-p table))))
  51
  52 (ert-deftest abbrev-make-abbrev-table-test ()
  53   ;; Table without properties:
  54   (let ((table (make-abbrev-table)))
  55     (should (abbrev-table-p table))
  56     (should (= (length table) obarray-default-size)))
  57   ;; Table with one property 'foo with value 'bar:
  58   (let ((table (make-abbrev-table '(foo bar))))
  59     (should (abbrev-table-p table))
  60     (should (= (length table) obarray-default-size))
  61     (should (eq (abbrev-table-get table 'foo) 'bar))))
  62
  63 (ert-deftest abbrev-table-get-put-test ()
  64   (let ((table (make-abbrev-table)))
  65     (should-not (abbrev-table-get table 'foo))
  66     (should (= (abbrev-table-put table 'foo 42) 42))
  67     (should (= (abbrev-table-get table 'foo) 42))
  68     (should (eq (abbrev-table-put table 'foo 'bar) 'bar))
  69     (should (eq (abbrev-table-get table 'foo) 'bar))))
  70
  71 (ert-deftest copy-abbrev-table-test ()
  72   (defvar foo-abbrev-table nil)         ; Avoid compiler warning
  73   (define-abbrev-table 'foo-abbrev-table
  74     '())
  75   (should (abbrev-table-p foo-abbrev-table))
  76   ;; Bug 21828
  77   (let ((new-foo-abbrev-table
  78          (condition-case nil
  79              (copy-abbrev-table foo-abbrev-table)
  80            (error nil))))
  81     (should (abbrev-table-p new-foo-abbrev-table)))
  82   (should-not (string-equal (buffer-name) "*Backtrace*")))
  83
  84 (ert-deftest kill-all-abbrevs-test ()
  85   "Test undefining all defined abbrevs"
  86   (unless noninteractive
  87     (ert-skip "Cannot test kill-all-abbrevs in interactive mode"))
  88
  89   (let ((num-tables 0))
  90     ;; ensure at least one abbrev exists
  91     (should (abbrev-table-p (setup-test-abbrev-table)))
  92     (setf num-tables (length abbrev-table-name-list))
  93     (kill-all-abbrevs)
  94
  95     ;; no tables should have been removed/added
  96     (should (= num-tables (length abbrev-table-name-list)))
  97     ;; number of empty tables should be the same as number of tables
  98     (should (= num-tables (length (seq-filter
  99                                    (lambda (table)
 100                                        (abbrev-table-empty-p (symbol-value table)))
 101                                    abbrev-table-name-list))))))
 102
 103 (ert-deftest abbrev-table-name-test ()
 104   "Test returning name of abbrev-table"
 105   (let ((ert-test-abbrevs (setup-test-abbrev-table))
 106         (no-such-table nil))
 107     (should (equal 'ert-test-abbrevs (abbrev-table-name ert-test-abbrevs)))
 108     (should (equal nil (abbrev-table-name no-such-table)))))
 109
 110 (ert-deftest clear-abbrev-table-test ()
 111   "Test clearing single abbrev table"
 112   (let ((ert-test-abbrevs (setup-test-abbrev-table)))
 113     (should (equal "a-e-t" (symbol-name
 114                             (abbrev-symbol "a-e-t" ert-test-abbrevs))))
 115     (should (equal "abbrev-ert-test" (symbol-value
 116                                       (abbrev-symbol "a-e-t" ert-test-abbrevs))))
 117
 118     (clear-abbrev-table ert-test-abbrevs)
 119
 120     (should (equal "nil" (symbol-name
 121                           (abbrev-symbol "a-e-t" ert-test-abbrevs))))
 122     (should (equal nil (symbol-value
 123                         (abbrev-symbol "a-e-t" ert-test-abbrevs))))
 124     (should (equal t (abbrev-table-empty-p ert-test-abbrevs)))))
 125
 126 (provide 'abbrev-tests)
 127 ;;; abbrev-tests.el ends here