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;;; tildify-test.el --- ERT tests for tildify.el -*- lexical-binding: t -*-
;; Copyright (C) 2014-2021 Free Software Foundation, Inc.
;; Author: Michal Nazarewicz <mina86@mina86.com>
;; Version: 4.5
;; Keywords: text, TeX, SGML, wp
;; This file is part of GNU Emacs.
;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; This package defines regression tests for the tildify package.
;;; Code:
(require 'ert)
(require 'tildify)
(defun tildify-test--example-sentence (space)
"Return an example sentence with SPACE where hard space is required."
(concat "Lorem ipsum v" space "dolor sit amet, a" space
"consectetur adipiscing elit."))
(defun tildify-test--example-html (sentence &optional with-nbsp is-xml)
"Return an example HTML code.
SENTENCE is placed where spaces should not be replaced with hard spaces, and
WITH-NBSP is placed where spaces should be replaced with hard spaces. If the
latter is missing, SENTENCE will be used in all placeholder positions.
If IS-XML is non-nil, <pre> tag is not treated specially."
(let ((with-nbsp (or with-nbsp sentence)))
(concat "<p>" with-nbsp "</p>\n"
"<pre>" (if is-xml with-nbsp sentence) "</pre>\n"
"<! -- " sentence " -- >\n"
"<p>" with-nbsp "</p>\n"
"<" sentence ">\n")))
(defun tildify-test--test (modes input expected)
"Test tildify running in MODES.
INPUT is the initial content of the buffer and EXPECTED is expected result
after `tildify-buffer' is run."
(with-temp-buffer
(setq-local buffer-file-coding-system 'utf-8)
(dolist (mode modes)
(erase-buffer)
(funcall mode)
(let ((header (concat "Testing `tildify-buffer' in "
(symbol-name mode) "\n")))
(insert header input)
(tildify-buffer t)
(should (string-equal (concat header expected) (buffer-string))))
(erase-buffer)
(let ((header (concat "Testing `tildify-region' in "
(symbol-name mode) "\n")))
(insert header input)
(tildify-region (point-min) (point-max) t)
(should (string-equal (concat header expected) (buffer-string)))))))
(ert-deftest tildify-test-html ()
"Tests tildification in an HTML document"
(let* ((sentence (tildify-test--example-sentence " "))
(with-nbsp (tildify-test--example-sentence " ")))
(tildify-test--test '(html-mode sgml-mode)
(tildify-test--example-html sentence sentence)
(tildify-test--example-html sentence with-nbsp))))
(ert-deftest tildify-test-xml ()
"Tests tildification in an XML document"
(let* ((sentence (tildify-test--example-sentence " "))
(with-nbsp (tildify-test--example-sentence " ")))
(tildify-test--test '(nxml-mode)
(tildify-test--example-html sentence sentence t)
(tildify-test--example-html sentence with-nbsp t))))
(defun tildify-test--example-tex (sentence &optional with-nbsp)
"Return an example (La)Tex code.
SENTENCE is placed where spaces should not be replaced with hard spaces, and
WITH-NBSP is placed where spaces should be replaced with hard spaces. If the
latter is missing, SENTENCE will be used in all placeholder positions."
(let ((with-nbsp (or with-nbsp sentence)))
(concat with-nbsp "\n"
"\\begin{verbatim}\n" sentence "\n\\end{verbatim}\n"
"\\verb#" sentence "#\n"
"$$" sentence "$$\n"
"$" sentence "$\n"
"\\[" sentence "\\]\n"
"\\v A % " sentence "\n"
with-nbsp "\n")))
(ert-deftest tildify-test-tex ()
"Tests tildification in a (La)TeX document"
(let* ((sentence (tildify-test--example-sentence " "))
(with-nbsp (tildify-test--example-sentence "~")))
(tildify-test--test '(tex-mode latex-mode plain-tex-mode)
(tildify-test--example-tex sentence sentence)
(tildify-test--example-tex sentence with-nbsp))))
(ert-deftest tildify-test-find-env-end-re-bug ()
"Tests generation of end-regex using mix of indexes and strings"
(with-temp-buffer
(insert "foo whatever end-foo")
(goto-char (point-min))
(should (string-equal "end-foo"
(tildify--find-env "foo\\|bar"
'(("foo\\|bar" . ("end-" 0))))))))
(ert-deftest tildify-test-find-env-group-index-bug ()
"Tests generation of match-string indexes"
(with-temp-buffer
(let ((pairs '(("start-\\(foo\\|bar\\)" . ("end-" 1))
("open-\\(foo\\|bar\\)" . ("close-" 1))))
(beg-re "start-\\(foo\\|bar\\)\\|open-\\(foo\\|bar\\)"))
(insert "open-foo whatever close-foo")
(goto-char (point-min))
(should (string-equal "close-foo" (tildify--find-env beg-re pairs))))))
(defmacro with-test-foreach (expected &rest body)
"Helper macro for testing foreach functions.
BODY has access to pairs variable and called lambda."
(declare (indent 1))
(let ((got (make-symbol "got")))
`(with-temp-buffer
(insert "1 /- 2 -/ 3 V~ 4 ~ 5 /- 6 -/ 7")
(let* ((pairs '(("/-" . "-/") ("V\\(.\\)" . (1))))
(,got "")
(called (lambda (s e)
(setq ,got (concat ,got (buffer-substring s e))))))
(setq-local tildify-foreach-region-function
(apply-partially 'tildify-foreach-ignore-environments
pairs))
,@body
(should (string-equal ,expected ,got))))))
(ert-deftest tildify-test-foreach-ignore-environments ()
"Basic test of `tildify-foreach-ignore-environments'"
(with-test-foreach "1 3 5 7"
(tildify-foreach-ignore-environments pairs called (point-min) (point-max))))
(ert-deftest tildify-test-foreach-ignore-environments-early-return ()
"Test whether `tildify-foreach-ignore-environments' returns early
The function must terminate as soon as callback returns nil."
(with-test-foreach "1 "
(tildify-foreach-ignore-environments
pairs (lambda (start end) (funcall called start end) nil)
(point-min) (point-max))))
(ert-deftest tildify-test-foreach-region ()
"Basic test of `tildify--foreach-region'"
(with-test-foreach "1 3 5 7"
(tildify--foreach-region called (point-min) (point-max))))
(ert-deftest tildify-test-foreach-region-early-return ()
"Test whether `tildify--foreach-ignore' returns early
The function must terminate as soon as callback returns nil."
(with-test-foreach "1 "
(tildify--foreach-region (lambda (start end) (funcall called start end) nil)
(point-min) (point-max))))
(ert-deftest tildify-test-foreach-region-limit-region ()
"Test whether `tildify--foreach-ignore' limits callback to given region"
(with-test-foreach "3 "
(tildify--foreach-region called
(+ (point-min) 10) (+ (point-min) 16))) ; start at "3" end past "4"
(with-test-foreach "3 5"
(tildify--foreach-region called
(+ (point-min) 10) (+ (point-min) 20)))) ; start at "3" end past "5"
(defun tildify-space-test--test (modes nbsp env-open &optional set-space-string)
(with-temp-buffer
(setq-local buffer-file-coding-system 'utf-8)
(dolist (mode modes)
(funcall mode)
(when set-space-string
(setq-local tildify-space-string nbsp))
(let ((header (concat "Testing `tildify-space' in "
(symbol-name mode) "\n")))
;; Replace space with hard space.
(erase-buffer)
(insert header "Lorem v ")
(should (tildify-space))
(should (string-equal (concat header "Lorem v" nbsp) (buffer-string)))
;; Inside and ignore environment, replacing does not happen.
(erase-buffer)
(insert header env-open "Lorem v ")
(should (not (tildify-space)))
(should (string-equal (concat header env-open "Lorem v ")
(buffer-string)))))))
(ert-deftest tildify-space-test-html ()
"Tests auto-tildification in an HTML document"
(tildify-space-test--test '(html-mode sgml-mode) " " "<pre>"))
(ert-deftest tildify-space-test-html-nbsp ()
"Tests auto-tildification in an HTML document"
(tildify-space-test--test '(html-mode sgml-mode) " " "<pre>" t))
(ert-deftest tildify-space-test-xml ()
"Tests auto-tildification in an XML document"
(tildify-space-test--test '(nxml-mode) " " "<! -- "))
(ert-deftest tildify-space-test-tex ()
"Tests tildification in a TeX document"
(tildify-space-test--test '(tex-mode latex-mode plain-tex-mode)
"~" "\\verb# "))
(defun tildify-space-undo-test--test
(modes nbsp _env-open &optional set-space-string)
(with-temp-buffer
(setq-local buffer-file-coding-system 'utf-8)
(dolist (mode modes)
(funcall mode)
(when set-space-string
(setq-local tildify-space-string nbsp))
(let ((header (concat "Testing double-space-undos in "
(symbol-name mode) "\n")))
(erase-buffer)
(insert header "Lorem v" nbsp " ")
(should (not (tildify-space)))
(should (string-equal (concat header "Lorem v ") (buffer-string)))))))
(ert-deftest tildify-space-undo-test-html ()
"Tests auto-tildification in an HTML document"
(tildify-space-undo-test--test '(html-mode sgml-mode) " " "<pre>"))
(ert-deftest tildify-space-undo-test-html-nbsp ()
"Tests auto-tildification in an HTML document"
(tildify-space-undo-test--test '(html-mode sgml-mode) " " "<pre>" t))
(ert-deftest tildify-space-undo-test-xml ()
"Tests auto-tildification in an XML document"
(tildify-space-undo-test--test '(nxml-mode) " " "<! -- "))
(ert-deftest tildify-space-undo-test-tex ()
"Tests tildification in a TeX document"
(tildify-space-undo-test--test '(tex-mode latex-mode plain-tex-mode)
"~" "\\verb# "))
(provide 'tildify-tests)
;;; tildify-tests.el ends here
|
