96 lines
3.6 KiB
EmacsLisp
96 lines
3.6 KiB
EmacsLisp
;;; semantic/format-tests.el --- Parsing / Formatting tests -*- lexical-binding:t -*-
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;; Copyright (C) 2003-2024 Free Software Foundation, Inc.
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;; Author: Eric M. Ludlam <zappo@gnu.org>
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Unit tests for the formatting feature.
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;;
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;; Using test code from the tests source directory, parse the source
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;; file. After parsing, read the comments for each signature, and
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;; make sure that the semantic-tag-format-* functions in question
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;; created the desired output.
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;;; Code:
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(require 'ert)
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(require 'ert-x)
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(require 'semantic/format)
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(defvar semantic-fmt-utest-file-list
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(list (ert-resource-file "test-fmt.cpp")
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;; "tests/test-fmt.el" - add this when elisp is support by dflt in Emacs
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)
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"List of files to run unit tests in.")
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(ert-deftest semantic-fmt-utest ()
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"Visit all file entries, and run formatting test. "
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(save-current-buffer
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(semantic-mode 1)
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(dolist (fname semantic-fmt-utest-file-list)
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(let ((fb (find-buffer-visiting fname))
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(b (semantic-find-file-noselect fname))
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(tags nil))
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(save-current-buffer
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(set-buffer b)
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(should (semantic-active-p))
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;;(error "Cannot open %s for format tests" fname))
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;; This will force a reparse, removing any chance of semanticdb cache
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;; using stale data.
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(semantic-clear-toplevel-cache)
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;; Force the reparse
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(setq tags (semantic-fetch-tags))
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(save-excursion
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(while tags
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(let* ((T (car tags))
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(start (semantic-tag-end T))
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(end (if (cdr tags)
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(semantic-tag-start (car (cdr tags)))
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(point-max)))
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(TESTS nil))
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(goto-char start)
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;; Scan the space between tags for all test condition matches.
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(while (re-search-forward "## \\([a-z-]+\\) \"\\([^\n\"]+\\)\"$" end t)
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(push (cons (match-string 1) (match-string 2)) TESTS))
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(setq TESTS (nreverse TESTS))
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(dolist (TST TESTS)
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(let* ( ;; For each test, convert CAR into a semantic-format-tag* fcn
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(sym (intern (concat "semantic-format-tag-" (car TST))))
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;; Convert the desired result from a string syntax to a string.
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(desired (cdr TST))
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;; What does the fmt function do?
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(actual (funcall sym T)))
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(when (not (string= desired actual))
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(should-not (list "Desired" desired
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"Actual" actual
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"Formatter" (car TST)))))))
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(setq tags (cdr tags)))))
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;; If it wasn't already in memory, whack it.
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(when (and b (not fb))
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(kill-buffer b))))))
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(provide 'format-tests)
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;;; format-tests.el ends here
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