;;; snippet-tests.el --- some basic tests for snippet.el

;; Copyright (C) 2013

;; Author: ;;; some basic test snippets <joaot@BELMONTE>
;; Keywords:

;; 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 'snippet)

(setq snippet--printf-snippet-forms
      '("printf (\""
        (field 1 "%s")
        (mirror 1 (if (string-match "%" field-text) "\"," "\")"))
        (field 2)
        (mirror 1 (if (string-match "%" field-text) "\)" ""))))

(ert-deftest printf-expansion ()
  (with-temp-buffer
    (funcall (eval `(make-snippet ,@snippet--printf-snippet-forms)))
    (should (equal (buffer-string) "printf (\"%s\",)"))))

(ert-deftest printf-mirrors ()
  (with-temp-buffer
    (funcall (eval `(make-snippet ,@snippet--printf-snippet-forms)))
    (ert-simulate-command '(delete-forward-char 1))
    (should (equal (buffer-string) "printf (\"s\")"))
    (ert-simulate-command '((lambda () (interactive) (insert "%"))))
    (should (equal (buffer-string) "printf (\"%s\",)"))))

(ert-deftest printf-mirrors-and-navigation ()
  (with-temp-buffer
    (funcall (eval `(make-snippet ,@snippet--printf-snippet-forms)))
    (ert-simulate-command '(delete-forward-char 1))
    (should (equal (buffer-string) "printf (\"s\")"))
    (ert-simulate-command '((lambda () (interactive) (insert "%"))))
    (should (equal (buffer-string) "printf (\"%s\",)"))
    (ert-simulate-command '(snippet-next-field))
    (ert-simulate-command '((lambda () (interactive) (insert "somevar"))))
    (should (equal (buffer-string) "printf (\"%s\",somevar)"))))

(ert-deftest printf-jump-to-second-field-right-away ()
  (with-temp-buffer
    (funcall (eval `(make-snippet ,@snippet--printf-snippet-forms)))
    (ert-simulate-command '(snippet-next-field))
    (ert-simulate-command '((lambda () (interactive) (insert "somevar"))))
    (should (equal (buffer-string) "printf (\"%s\",somevar)"))))