code.delx.au - gnu-emacs-elpa/blob - packages/swiper/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
  64 (ert-deftest swiper--re-builder ()
  65   (setq swiper--width 4)
  66   (should (string= (swiper--re-builder "^")
  67                    "."))
  68   (should (string= (swiper--re-builder "^a")
  69                    "^[0-9][0-9 ]\\{4\\}\\(a\\)"))
  70   (should (string= (swiper--re-builder "^a b")
  71                    "^[0-9][0-9 ]\\{4\\}\\(a\\).*?\\(b\\)")))
  72
  73 (ert-deftest ivy--split ()
  74   (should (equal (ivy--split "King of the who?")
  75                  '("King" "of" "the" "who?")))
  76   (should (equal (ivy--split "The  Brittons.")
  77                  '("The Brittons.")))
  78   (should (equal (ivy--split "Who  are the  Brittons?")
  79                  '("Who are" "the Brittons?")))
  80   (should (equal (ivy--split "We're  all  Britons and   I   am your   king.")
  81                  '("We're all Britons"
  82                   "and  I  am"
  83                    "your  king."))))
  84
  85 (ert-deftest ivy--regex-fuzzy ()
  86   (should (string= (ivy--regex-fuzzy "tmux")
  87                    "t.*m.*u.*x"))
  88   (should (string= (ivy--regex-fuzzy "^tmux")
  89                    "^t.*m.*u.*x"))
  90   (should (string= (ivy--regex-fuzzy "^tmux$")
  91                    "^t.*m.*u.*x$"))
  92   (should (string= (ivy--regex-fuzzy "")
  93                    ""))
  94   (should (string= (ivy--regex-fuzzy "^")
  95                    "^"))
  96   (should (string= (ivy--regex-fuzzy "$")
  97                    "$")))
  98
  99 (ert-deftest ivy--format ()
 100   (should (string= (let ((ivy--index 10)
 101                          (ivy-format-function (lambda (x) (mapconcat #'identity x "\n")))
 102                          (cands '("NAME"
 103                                   "SYNOPSIS"
 104                                   "DESCRIPTION"
 105                                   "FUNCTION LETTERS"
 106                                   "SWITCHES"
 107                                   "DIAGNOSTICS"
 108                                   "EXAMPLE 1"
 109                                   "EXAMPLE 2"
 110                                   "EXAMPLE 3"
 111                                   "SEE ALSO"
 112                                   "AUTHOR")))
 113                      (ivy--format cands))
 114                    #("\nDESCRIPTION\nFUNCTION LETTERS\nSWITCHES\nDIAGNOSTICS\nEXAMPLE 1\nEXAMPLE 2\nEXAMPLE 3\nSEE ALSO\nAUTHOR"
 115                      0 90 (read-only nil)
 116                      90 96 (face ivy-current-match read-only nil)))))
 117
 118 (ert-deftest ivy--filter ()
 119   (setq ivy-last (make-ivy-state))
 120   (should (equal (ivy--filter "the" '("foo" "the" "The"))
 121                  '("the" "The")))
 122   (should (equal (ivy--filter "The" '("foo" "the" "The"))
 123                  '("The"))))
 124