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;;; test-helper.el --- ERT for ledger-mode -*- lexical-binding: t; -*-
;; Copyright (C) 2003-2017 John Wiegley <johnw AT gnu DOT org>
;; Author: Thierry <thdox AT free DOT fr>
;; Keywords: languages
;; Homepage: https://github.com/ledger/ledger-mode
;; 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 2 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, write to the Free Software Foundation, Inc., 51
;; Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
;;; Commentary:
;; ERT test helpers for ledger-mode
;;; Code:
(require 'ledger-mode)
(require 'ert)
(require 'cl-lib)
(defvar demo-ledger)
;; FIXME instead of setting the string, load the content from file
;; ../test/input/demo.ledger
(setq demo-ledger "2010/12/01 * Checking balance
Assets:Checking $1,000.00
Equity:Opening Balances
2010/12/20 * Organic Co-op
Expenses:Food:Groceries $ 37.50 ; [=2011/01/01]
Expenses:Food:Groceries $ 37.50 ; [=2011/02/01]
Expenses:Food:Groceries $ 37.50 ; [=2011/03/01]
Expenses:Food:Groceries $ 37.50 ; [=2011/04/01]
Expenses:Food:Groceries $ 37.50 ; [=2011/05/01]
Expenses:Food:Groceries $ 37.50 ; [=2011/06/01]
Assets:Checking $ -225.00
2010/12/28 Acme Mortgage
Liabilities:Mortgage:Principal $ 200.00
Expenses:Interest:Mortgage $ 500.00
Expenses:Escrow $ 300.00
* Assets:Checking $ -1000.00
2011/01/02 Grocery Store
Expenses:Food:Groceries $ 65.00
* Assets:Checking
2011/01/05 Employer
* Assets:Checking $ 2000.00
Income:Salary
2011/01/14 Bank
; Regular monthly savings transfer
Assets:Savings $ 300.00
Assets:Checking
2011/01/19 Grocery Store
Expenses:Food:Groceries $ 44.00 ; hastag: not block
Assets:Checking
2011/01/25 Bank
; Transfer to cover car purchase
Assets:Checking $ 5,500.00
Assets:Savings
; :nobudget:
2011/01/25 Tom's Used Cars
Expenses:Auto $ 5,500.00
; :nobudget:
Assets:Checking
2011/01/27 Book Store
Expenses:Books $20.00
Liabilities:MasterCard
2011/04/25 Tom's Used Cars
Expenses:Auto $ 5,500.00
; :nobudget:
Assets:Checking
2011/04/27 Bookstore
Expenses:Books $20.00
Assets:Checking
2011/12/01 Sale
Assets:Checking $ 30.00
Income:Sales
")
(defun ledger-tests-reset-custom-values (group)
"Reset custom variables from GROUP to standard value."
(let ((members (custom-group-members group nil)))
(dolist (member members)
(cond ((eq (cadr member) 'custom-group)
(ledger-tests-reset-custom-values (car member)))
((eq (cadr member) 'custom-variable)
(custom-reevaluate-setting (car member)))))))
(defmacro ledger-tests-with-temp-file (contents &rest body)
;; from python-tests-with-temp-file
"Create a `ledger-mode' enabled file with CONTENTS.
BODY is code to be executed within the temp buffer. Point is
always located at the beginning of buffer."
(declare (indent 1) (debug t))
`(let* ((temp-file (make-temp-file "ledger-tests-"))
(ledger-buffer (find-file-noselect temp-file)))
(unwind-protect
(with-current-buffer ledger-buffer
(switch-to-buffer ledger-buffer) ; this selects window
(ledger-mode)
(insert ,contents)
(goto-char (point-min))
,@body)
(and ledger-buffer (kill-buffer ledger-buffer))
(ledger-tests-reset-custom-values 'ledger)
(delete-file temp-file))))
(defun ledger-test-visible-buffer-string ()
"Same as `buffer-string', but excludes invisible text."
(ledger-test-visible-buffer-substring (point-min) (point-max)))
(defun ledger-test-visible-buffer-substring (start end)
"Same as `buffer-substring', but excludes invisible text.
The two arguments START and END are character positions."
(let (str)
(while (< start end)
(let ((next-pos (next-char-property-change start end)))
(when (not (invisible-p start))
(setq str (concat str (buffer-substring start next-pos))))
(setq start next-pos)))
str))
;; --------------------------------------------------------------------
;; Font lock test helpers
;; --------------------------------------------------------------------
(defalias 'ledger-test-font-lock-fontify-buffer
(if (fboundp 'font-lock-ensure)
'font-lock-ensure ; Emacs >= 25
'font-lock-fontify-buffer)) ; Emacs <= 24
(defun ledger-test-fontify-string (str)
"Fontify `STR' in ledger mode."
(with-temp-buffer
(ledger-mode)
(insert str)
(ledger-test-font-lock-fontify-buffer)
(buffer-string)))
(defun ledger-test-face-groups (fontified)
"Group a FONTIFIED string by face.
Return a list of substrings each followed by its face."
(cl-loop for start = 0 then end
while start
for end = (next-single-property-change start 'face fontified)
for prop = (get-text-property start 'face fontified)
for text = (substring-no-properties fontified start end)
if prop
append (list text prop)))
(defun ledger-test-group-str-by-face (str)
"Fontify STR in ledger mode and group it by face.
Return a list of substrings each followed by its face."
(ledger-test-face-groups (ledger-test-fontify-string str)))
(defun ledger-test-font-lock (source face-groups)
"Test that `SOURCE' fontifies to the expected `FACE-GROUPS'."
(should (equal (ledger-test-group-str-by-face source)
face-groups)))
(provide 'test-helper)
;;; test-helper.el ends here
|
