New package: cycle-quotes

[gnu-emacs-elpa] / packages / cycle-quotes / cycle-quotes-test.el

diff --git a/packages/cycle-quotes/cycle-quotes-test.el b/packages/cycle-quotes/cycle-quotes-test.el
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+++ b/packages/cycle-quotes/cycle-quotes-test.el
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+;;; cycle-quotes-test.el --- Tests for cycle-quotes.el  -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2015-2016  Free Software Foundation, Inc.
+
+;; Author: Simen Heggestøyl <simenheg@gmail.com>
+
+;; 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:
+
+(require 'cycle-quotes)
+(require 'ert)
+;; For testing triple quotes
+(require 'python)
+
+(ert-deftest test-cycle-quotes--set-quote-chars ()
+  (with-temp-buffer
+    (let ((st (make-syntax-table)))
+      (set-syntax-table st)
+      (modify-syntax-entry ?a "\"")
+      (modify-syntax-entry ?b "\"")
+      (cycle-quotes--set-quote-chars)
+      (should (= (length cycle-quotes--quote-chars) 3))
+      (should (memq ?a cycle-quotes--quote-chars))
+      (should (memq ?b cycle-quotes--quote-chars))
+      (should (memq ?\" cycle-quotes--quote-chars)))))
+
+(ert-deftest test-cycle-quotes--next-quote-char ()
+  (let ((cycle-quotes--quote-chars '(?a)))
+    (should (= (cycle-quotes--next-quote-char ?a) ?a)))
+  (let ((cycle-quotes--quote-chars '(?a ?b)))
+    (should (= (cycle-quotes--next-quote-char ?a) ?b)))
+  (let ((cycle-quotes--quote-chars '(?a ?b ?c)))
+    (should (= (cycle-quotes--next-quote-char ?c) ?a))))
+
+(ert-deftest test-cycle-quotes--fix-escapes ()
+  (with-temp-buffer
+    (insert "b\\baabc\\b")
+    (cycle-quotes--fix-escapes (point-min) (point-max) ?a ?b)
+    (should (equal (buffer-string) "bb\\a\\abcb"))))
+
+(ert-deftest test-cycle-quotes ()
+  (with-temp-buffer
+    (let ((st (make-syntax-table)))
+      (set-syntax-table st)
+      (modify-syntax-entry ?' "\"")
+      (modify-syntax-entry ?` "\"")
+      (insert "\"Hi, it's me!\"")
+      (goto-char 5)
+      (cycle-quotes)
+      (should (equal (buffer-string) "`Hi, it's me!`"))
+      (cycle-quotes)
+      (should (equal (buffer-string) "'Hi, it\\'s me!'"))
+      (cycle-quotes)
+      (should (equal (buffer-string) "\"Hi, it's me!\"")))))
+
+(ert-deftest test-cycle-quotes-triple-quotes ()
+  (with-temp-buffer
+    (python-mode)
+    (insert "'''Triple quotes, as found in Python.'''")
+    (goto-char 5)
+    (cycle-quotes)
+    (should (equal (buffer-string)
+                   "\"\"\"Triple quotes, as found in Python.\"\"\""))
+    (cycle-quotes)
+    (should (equal (buffer-string)
+                   "'''Triple quotes, as found in Python.'''"))))
+
+(provide 'cycle-quotes-test)
+;;; cycle-quotes-test.el ends here