code.delx.au - gnu-emacs-elpa/blob - ivy-test.el

   1 ;;; ivy-test.el --- tests for ivy
   2
   3 ;; Copyright (C) 2015  Free Software Foundation, Inc.
   4
   5 ;; Author: Oleh Krehel
   6
   7 ;; This file is part of GNU Emacs.
   8
   9 ;; This file is free software; you can redistribute it and/or modify
  10 ;; it under the terms of the GNU General Public License as published by
  11 ;; the Free Software Foundation; either version 3, or (at your option)
  12 ;; any later version.
  13
  14 ;; This program is distributed in the hope that it will be useful,
  15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 ;; GNU General Public License for more details.
  18
  19 ;; For a full copy of the GNU General Public License
  20 ;; see <http://www.gnu.org/licenses/>.
  21
  22 (require 'ert)
  23 (require 'ivy)
  24
  25 (defvar ivy-expr nil
  26   "Holds a test expression to evaluate with `ivy-eval'.")
  27
  28 (defvar ivy-result nil
  29   "Holds the eval result of `ivy-expr' by `ivy-eval'.")
  30
  31 (defun ivy-eval ()
  32   "Evaluate `ivy-expr'."
  33   (interactive)
  34   (setq ivy-result (eval ivy-expr)))
  35
  36 (global-set-key (kbd "C-c e") 'ivy-eval)
  37
  38 (defun ivy-with (expr keys)
  39   "Evaluate EXPR followed by KEYS."
  40   (let ((ivy-expr expr))
  41     (execute-kbd-macro
  42      (vconcat (kbd "C-c e")
  43               (kbd keys)))
  44     ivy-result))
  45
  46 (ert-deftest ivy-read ()
  47   (should (equal
  48            (ivy-with '(ivy-read "pattern: " '("blue" "yellow"))
  49                      "C-m")
  50            "blue"))
  51   (should (equal
  52            (ivy-with '(ivy-read "pattern: " '("blue" "yellow"))
  53                      "y C-m")
  54            "yellow"))
  55   (should (equal
  56            (ivy-with '(ivy-read "pattern: " '("blue" "yellow"))
  57                      "y DEL b C-m")
  58            "blue"))
  59   (should (equal
  60            (ivy-with '(ivy-read "pattern: " '("blue" "yellow"))
  61                      "z C-m")
  62            "z"))
  63   (should (equal
  64            (ivy-with '(ivy-read "pattern: " '("blue" "yellow"))
  65                      "y <backspace> C-m")
  66            "blue"))
  67   (should (equal
  68            (ivy-with '(let ((ivy-re-builders-alist '((t . ivy--regex-fuzzy))))
  69                        (ivy-read "pattern: " '("package-list-packages" "something-else")))
  70                      "plp C-m")
  71            "package-list-packages"))
  72   (should (equal
  73            (ivy-with '(ivy-read "test" '("aaab" "aaac"))
  74                      "a C-n <tab> C-m")
  75            "aaac")))
  76
  77 (ert-deftest swiper--re-builder ()
  78   (setq swiper--width 4)
  79   (should (string= (swiper--re-builder "^")
  80                    "."))
  81   (should (string= (swiper--re-builder "^a")
  82                    "^ ?\\(a\\)"))
  83   (should (string= (swiper--re-builder "^a b")
  84                    "^ \\(a\\).*?\\(b\\)")))
  85
  86 (ert-deftest ivy--split ()
  87   (should (equal (ivy--split "King of the who?")
  88                  '("King" "of" "the" "who?")))
  89   (should (equal (ivy--split "The  Brittons.")
  90                  '("The Brittons.")))
  91   (should (equal (ivy--split "Who  are the  Brittons?")
  92                  '("Who are" "the Brittons?")))
  93   (should (equal (ivy--split "We're  all  Britons and   I   am your   king.")
  94                  '("We're all Britons"
  95                   "and  I  am"
  96                    "your  king."))))
  97
  98 (ert-deftest ivy--regex-fuzzy ()
  99   (should (string= (ivy--regex-fuzzy "tmux")
 100                    "\\(t\\).*\\(m\\).*\\(u\\).*\\(x\\)"))
 101   (should (string= (ivy--regex-fuzzy "^tmux")
 102                    "^\\(t\\).*\\(m\\).*\\(u\\).*\\(x\\)"))
 103   (should (string= (ivy--regex-fuzzy "^tmux$")
 104                    "^\\(t\\).*\\(m\\).*\\(u\\).*\\(x\\)$"))
 105   (should (string= (ivy--regex-fuzzy "")
 106                    ""))
 107   (should (string= (ivy--regex-fuzzy "^")
 108                    "^"))
 109   (should (string= (ivy--regex-fuzzy "$")
 110                    "$")))
 111
 112 (ert-deftest ivy--format ()
 113   (should (string= (let ((ivy--index 10)
 114                          (ivy-format-function (lambda (x) (mapconcat #'identity x "\n")))
 115                          (cands '("NAME"
 116                                   "SYNOPSIS"
 117                                   "DESCRIPTION"
 118                                   "FUNCTION LETTERS"
 119                                   "SWITCHES"
 120                                   "DIAGNOSTICS"
 121                                   "EXAMPLE 1"
 122                                   "EXAMPLE 2"
 123                                   "EXAMPLE 3"
 124                                   "SEE ALSO"
 125                                   "AUTHOR")))
 126                      (ivy--format cands))
 127                    #("\nDESCRIPTION\nFUNCTION LETTERS\nSWITCHES\nDIAGNOSTICS\nEXAMPLE 1\nEXAMPLE 2\nEXAMPLE 3\nSEE ALSO\nAUTHOR"
 128                      0 90 (read-only nil)
 129                      90 96 (face ivy-current-match read-only nil)))))
 130
 131 (ert-deftest ivy--filter ()
 132   (setq ivy-last (make-ivy-state))
 133   (should (equal (ivy--filter "the" '("foo" "the" "The"))
 134                  '("the" "The")))
 135   (should (equal (ivy--filter "The" '("foo" "the" "The"))
 136                  '("The"))))