emacs/test/lisp/cedet/semantic/format-tests.el

96 lines
3.6 KiB
EmacsLisp

;;; semantic/format-tests.el --- Parsing / Formatting tests -*- lexical-binding:t -*-
;; Copyright (C) 2003-2024 Free Software Foundation, Inc.
;; Author: Eric M. Ludlam <zappo@gnu.org>
;; 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:
;; Unit tests for the formatting feature.
;;
;; Using test code from the tests source directory, parse the source
;; file. After parsing, read the comments for each signature, and
;; make sure that the semantic-tag-format-* functions in question
;; created the desired output.
;;; Code:
(require 'ert)
(require 'ert-x)
(require 'semantic/format)
(defvar semantic-fmt-utest-file-list
(list (ert-resource-file "test-fmt.cpp")
;; "tests/test-fmt.el" - add this when elisp is support by dflt in Emacs
)
"List of files to run unit tests in.")
(ert-deftest semantic-fmt-utest ()
"Visit all file entries, and run formatting test. "
(save-current-buffer
(semantic-mode 1)
(dolist (fname semantic-fmt-utest-file-list)
(let ((fb (find-buffer-visiting fname))
(b (semantic-find-file-noselect fname))
(tags nil))
(save-current-buffer
(set-buffer b)
(should (semantic-active-p))
;;(error "Cannot open %s for format tests" fname))
;; This will force a reparse, removing any chance of semanticdb cache
;; using stale data.
(semantic-clear-toplevel-cache)
;; Force the reparse
(setq tags (semantic-fetch-tags))
(save-excursion
(while tags
(let* ((T (car tags))
(start (semantic-tag-end T))
(end (if (cdr tags)
(semantic-tag-start (car (cdr tags)))
(point-max)))
(TESTS nil))
(goto-char start)
;; Scan the space between tags for all test condition matches.
(while (re-search-forward "## \\([a-z-]+\\) \"\\([^\n\"]+\\)\"$" end t)
(push (cons (match-string 1) (match-string 2)) TESTS))
(setq TESTS (nreverse TESTS))
(dolist (TST TESTS)
(let* ( ;; For each test, convert CAR into a semantic-format-tag* fcn
(sym (intern (concat "semantic-format-tag-" (car TST))))
;; Convert the desired result from a string syntax to a string.
(desired (cdr TST))
;; What does the fmt function do?
(actual (funcall sym T)))
(when (not (string= desired actual))
(should-not (list "Desired" desired
"Actual" actual
"Formatter" (car TST)))))))
(setq tags (cdr tags)))))
;; If it wasn't already in memory, whack it.
(when (and b (not fb))
(kill-buffer b))))))
(provide 'format-tests)
;;; format-tests.el ends here