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 (require 'counsel)
  25
  26 (defvar ivy-expr nil
  27   "Holds a test expression to evaluate with `ivy-eval'.")
  28
  29 (defvar ivy-result nil
  30   "Holds the eval result of `ivy-expr' by `ivy-eval'.")
  31
  32 (defun ivy-eval ()
  33   "Evaluate `ivy-expr'."
  34   (interactive)
  35   (setq ivy-result (eval ivy-expr)))
  36
  37 (global-set-key (kbd "C-c e") 'ivy-eval)
  38
  39 (defun ivy-with (expr keys)
  40   "Evaluate EXPR followed by KEYS."
  41   (let ((ivy-expr expr))
  42     (execute-kbd-macro
  43      (vconcat (kbd "C-c e")
  44               (kbd keys)))
  45     ivy-result))
  46
  47 (ert-deftest ivy-read ()
  48   (should (equal
  49            (ivy-with '(ivy-read "pattern: " '("blue" "yellow"))
  50                      "C-m")
  51            "blue"))
  52   (should (equal
  53            (ivy-with '(ivy-read "pattern: " '("blue" "yellow"))
  54                      "y C-m")
  55            "yellow"))
  56   (should (equal
  57            (ivy-with '(ivy-read "pattern: " '("blue" "yellow"))
  58                      "y DEL b C-m")
  59            "blue"))
  60   (should (equal
  61            (ivy-with '(ivy-read "pattern: " '("blue" "yellow"))
  62                      "z C-m")
  63            "z"))
  64   (should (equal
  65            (ivy-with '(ivy-read "pattern: " '("blue" "yellow"))
  66                      "y <backspace> C-m")
  67            "blue"))
  68   (should (equal
  69            (ivy-with '(let ((ivy-re-builders-alist '((t . ivy--regex-fuzzy))))
  70                        (ivy-read "pattern: " '("package-list-packages" "something-else")))
  71                      "plp C-m")
  72            "package-list-packages"))
  73   (should (equal
  74            (ivy-with '(ivy-read "test" '("aaab" "aaac"))
  75                      "a C-n <tab> C-m")
  76            "aaac"))
  77   (should (equal
  78            (ivy-with '(ivy-read "pattern: " '("can do" "can" "can't do"))
  79                      "can C-m")
  80            "can")))
  81
  82 (ert-deftest swiper--re-builder ()
  83   (setq swiper--width 4)
  84   (should (string= (swiper--re-builder "^")
  85                    "."))
  86   (should (string= (swiper--re-builder "^a")
  87                    "^ ?\\(a\\)"))
  88   (should (string= (swiper--re-builder "^a b")
  89                    "^ \\(a\\).*?\\(b\\)")))
  90
  91 (ert-deftest ivy--split ()
  92   (should (equal (ivy--split "King of the who?")
  93                  '("King" "of" "the" "who?")))
  94   (should (equal (ivy--split "The  Brittons.")
  95                  '("The Brittons.")))
  96   (should (equal (ivy--split "Who  are the  Brittons?")
  97                  '("Who are" "the Brittons?")))
  98   (should (equal (ivy--split "We're  all  Britons and   I   am your   king.")
  99                  '("We're all Britons"
 100                   "and  I  am"
 101                    "your  king."))))
 102
 103 (ert-deftest ivy--regex ()
 104   (should (equal (ivy--regex
 105                   "\\(?:interactive\\|swiper\\) \\(?:list\\|symbol\\)")
 106                  "\\(\\(?:interactive\\|swiper\\)\\).*?\\(\\(?:list\\|symbol\\)\\)")))
 107
 108 (ert-deftest ivy--regex-fuzzy ()
 109   (should (string= (ivy--regex-fuzzy "tmux")
 110                    "\\(t\\).*\\(m\\).*\\(u\\).*\\(x\\)"))
 111   (should (string= (ivy--regex-fuzzy "^tmux")
 112                    "^\\(t\\).*\\(m\\).*\\(u\\).*\\(x\\)"))
 113   (should (string= (ivy--regex-fuzzy "^tmux$")
 114                    "^\\(t\\).*\\(m\\).*\\(u\\).*\\(x\\)$"))
 115   (should (string= (ivy--regex-fuzzy "")
 116                    ""))
 117   (should (string= (ivy--regex-fuzzy "^")
 118                    "^"))
 119   (should (string= (ivy--regex-fuzzy "$")
 120                    "$")))
 121
 122 (ert-deftest ivy--regex-ignore-order ()
 123   (should (equal (ivy--regex-ignore-order "tmux")
 124                  '(("tmux" . t))))
 125   (should (equal (ivy--regex-ignore-order "^tmux")
 126                  '(("^tmux" . t))))
 127   (should (equal (ivy--regex-ignore-order "^tmux$")
 128                  '(("^tmux$" . t))))
 129   (should (equal (ivy--regex-ignore-order "")
 130                  ""))
 131   (should (equal (ivy--regex-ignore-order "^")
 132                  '(("^" . t))))
 133   (should (equal (ivy--regex-ignore-order "$")
 134                  '(("$" . t))))
 135   (should (equal (ivy--regex-ignore-order "one two")
 136                  '(("one" . t) ("two" . t))))
 137   (should (equal (ivy--regex-ignore-order "one two !three")
 138                  '(("one" . t) ("two" . t) ("three"))))
 139   (should (equal (ivy--regex-ignore-order "one two !three four")
 140                  '(("one" . t) ("two" . t) ("three") ("four"))))
 141   (should (equal (ivy--regex-ignore-order "!three four")
 142                  '(("" . t) (("three") ("four"))))))
 143
 144 (ert-deftest ivy--format ()
 145   (should (string= (let ((ivy--index 10)
 146                          (ivy-format-function (lambda (x) (mapconcat #'identity x "\n")))
 147                          (cands '("NAME"
 148                                   "SYNOPSIS"
 149                                   "DESCRIPTION"
 150                                   "FUNCTION LETTERS"
 151                                   "SWITCHES"
 152                                   "DIAGNOSTICS"
 153                                   "EXAMPLE 1"
 154                                   "EXAMPLE 2"
 155                                   "EXAMPLE 3"
 156                                   "SEE ALSO"
 157                                   "AUTHOR")))
 158                      (ivy--format cands))
 159                    #("\nDESCRIPTION\nFUNCTION LETTERS\nSWITCHES\nDIAGNOSTICS\nEXAMPLE 1\nEXAMPLE 2\nEXAMPLE 3\nSEE ALSO\nAUTHOR"
 160                      0 90 (read-only nil)
 161                      90 96 (face ivy-current-match read-only nil)))))
 162
 163 (ert-deftest ivy--filter ()
 164   (setq ivy-last (make-ivy-state))
 165   (should (equal (ivy--filter "the" '("foo" "the" "The"))
 166                  '("the" "The")))
 167   (should (equal (ivy--filter "The" '("foo" "the" "The"))
 168                  '("The"))))
 169
 170 (ert-deftest counsel-unquote-regex-parens ()
 171   (should (equal (counsel-unquote-regex-parens
 172                   (ivy--regex "foo bar"))
 173                  "(foo).*?(bar)"))
 174   (should (equal (counsel-unquote-regex-parens
 175                   (ivy--regex "(foo bar"))
 176                  "(\\(foo).*?(bar)")))