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;;; f-io-test.el --- F: IO related tests -*- lexical-binding: t; -*-
;; Copyright (C) 2013 Sebastian Wiesner
;; Copyright (C) 2013-2014 Johan Andersson
;; Author: Johan Andersson <johan.rejeep@gmail.com>
;; Maintainer: Johan Andersson <johan.rejeep@gmail.com>
;; URL: http://github.com/rejeep/f.el
;; This file is NOT part of GNU Emacs.
;; This program 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.
;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
;;;; f-write-bytes
(ert-deftest f-write-bytes-test/multibyte-string ()
(with-playground
(let ((err (should-error (f-write-bytes "☺ ☹" "foo.txt")
:type 'wrong-type-argument)))
(should (equal (cdr err)
(list 'f-unibyte-string-p "☺ ☹"))))))
(ert-deftest f-write-bytes-test/unibyte-string ()
(with-playground
;; Let's take some random bytes
(let ((bytes (apply #'unibyte-string (-map #'random (-repeat 100 255)))))
;; Make a string of our bytes
(f-write-bytes bytes "foo.txt")
(should-exist "foo.txt" bytes))))
;;;; f-write/f-write-text
(ert-deftest f-write-text-test/unibyte-string ()
(with-playground
(f-write-text (unibyte-string 1 2 3 4 5) 'utf-8 "foo.txt")
;; Emacs only makes multibyte strings if actually required.
(f-write-text "bar" 'utf-8 "bar.txt")
(should-exist "bar.txt" "bar")))
(ert-deftest f-write-text-test/multibyte-string ()
(with-playground
(f-write-text "☺ ☹" 'utf-8 "foo.txt")
(should-exist "foo.txt" (unibyte-string 226 152 186 32 226 152 185))
(f-write-text "blök" 'iso-8859-1 "foo.txt")
(should-exist "foo.txt" (unibyte-string 98 108 246 107))))
(ert-deftest f-write-test/alias ()
(with-playground
(f-write-text (unibyte-string 1 2 3 4 5) 'utf-8 "foo.txt")
(f-write (unibyte-string 1 2 3 4 5) 'utf-8 "bar.txt")
(should (equal (f-read "foo.txt") (f-read "bar.txt")))))
;;;; f-read-bytes
(ert-deftest f-read-bytes-test/ ()
(with-playground
(let ((bytes (apply #'unibyte-string (-map #'random (-repeat 100 255)))))
(f-write-bytes bytes "foo.txt")
(let ((content (f-read-bytes "foo.txt")))
(should-not (multibyte-string-p content))
(should (f-unibyte-string-p content))
(should (string= content bytes))))))
;;;; f-read/f-read-text
(ert-deftest f-read-text-test/ ()
(with-playground
(f-write-bytes (unibyte-string 226 152 185 32 226 152 186) "foo.txt")
(let ((text (f-read-text "foo.txt" 'utf-8)))
(should (string= text "☹ ☺"))
(should (multibyte-string-p text)))
(f-write-bytes (unibyte-string 252 98 101 114) "foo.txt")
(let ((text (f-read-text "foo.txt" 'iso-8859-1)))
(should (string= text "über"))
(should (multibyte-string-p text)))))
(ert-deftest f-read-text-test/no-coding-specified ()
(with-playground
(f-write-text "text" 'utf-8 "foo.txt")
(should (equal (f-read-text "foo.txt") "text"))))
(ert-deftest f-read-test/alias ()
(with-playground
(f-write-bytes (unibyte-string 226 152 185 32 226 152 186) "foo.txt")
(should (equal (f-read-text "foo.txt") (f-read "foo.txt")))))
;;;; f-append-text
(ert-deftest f-append-text/does-not-exist ()
(with-playground
(f-append-text "foo" 'utf-8 "foo.txt")
(should-exist "foo.txt" "foo")))
(ert-deftest f-append-text/exists ()
(with-playground
(f-write "foo" 'utf-8 "foo.txt")
(f-append-text "bar" 'utf-8 "foo.txt")
(should-exist "foo.txt" "foobar")))
(ert-deftest f-append/alias ()
(with-playground
(f-append "foo" 'utf-8 "foo.txt")
(should-exist "foo.txt" "foo")))
;;;; f-append-bytes
(ert-deftest f-append-bytes-test/does-not-exist ()
(with-playground
(let ((bytes (apply #'unibyte-string (-map #'random (-repeat 100 255)))))
(f-append-bytes bytes "foo.txt")
(should-exist "foo.txt" bytes))))
(ert-deftest f-append-bytes-test/exists ()
(with-playground
(let ((bytes (apply #'unibyte-string (-map #'random (-repeat 100 255)))))
(f-write-bytes bytes "foo.txt")
(f-append-bytes bytes "foo.txt")
(should-exist "foo.txt" (concat bytes bytes)))))
(provide 'f-io-test)
;;; f-io-test.el ends here
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