84 lines
3.2 KiB
EmacsLisp
84 lines
3.2 KiB
EmacsLisp
;;; grep-tests.el --- Test suite for grep.el -*- lexical-binding:t -*-
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;; Copyright (C) 2021-2024 Free Software Foundation, Inc.
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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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;;; Code:
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(require 'ert)
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(require 'grep)
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(defconst grep-tests--ellipsis (if (char-displayable-p ?…) "[…]" "[...]")
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"The form that the ellipsis takes in `grep-find-abbreviate-properties'.")
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(defun grep-tests--get-rgrep-abbreviation ()
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"Get the `display' property of the excessive part of the rgrep command."
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(with-temp-buffer
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(grep-compute-defaults)
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(insert (rgrep-default-command "search" "*" nil))
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(grep-mode)
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(font-lock-mode)
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(font-lock-ensure)
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(goto-char (point-min))
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(re-search-forward "find ")
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(get-text-property (point) 'display)))
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(defun grep-tests--check-rgrep-abbreviation ()
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"Check that the excessive part of the rgrep command is abbreviated iff
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`grep-find-abbreviate' is non-nil."
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(let ((grep-find-abbreviate t))
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(should (equal (grep-tests--get-rgrep-abbreviation)
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grep-tests--ellipsis)))
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(let ((grep-find-abbreviate nil))
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(should-not (grep-tests--get-rgrep-abbreviation))))
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(ert-deftest grep-tests--rgrep-abbreviate-properties-gnu-linux ()
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(let ((system-type 'gnu/linux))
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(grep-tests--check-rgrep-abbreviation)))
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(ert-deftest grep-tests--rgrep-abbreviate-properties-darwin ()
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(let ((system-type 'darwin))
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(grep-tests--check-rgrep-abbreviation)))
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(ert-deftest grep-tests--rgrep-abbreviate-properties-windows-nt-dos-semantics ()
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(let ((system-type 'windows-nt))
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(cl-letf (((symbol-function 'w32-shell-dos-semantics) #'always))
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(grep-tests--check-rgrep-abbreviation))))
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(ert-deftest grep-tests--rgrep-abbreviate-properties-windows-nt-sh-semantics ()
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(let ((system-type 'windows-nt))
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(cl-letf (((symbol-function 'w32-shell-dos-semantics) #'ignore))
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(grep-tests--check-rgrep-abbreviation))))
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(ert-deftest grep-tests--grep-heading-regexp-without-null ()
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(dolist (sep '(?: ?- ?=))
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(let ((string (format "filename%c123%ctext" sep sep)))
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(should (string-match grep-heading-regexp string))
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(should (equal (match-string 1 string) "filename"))
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(should (equal (match-string 2 string) (format "filename%c" sep))))))
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(ert-deftest grep-tests--grep-heading-regexp-with-null ()
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(dolist (sep '(?: ?- ?=))
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(let ((string (format "funny:0:filename%c123%ctext" 0 sep)))
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(should (string-match grep-heading-regexp string))
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(should (equal (match-string 1 string) "funny:0:filename"))
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(should (equal (match-string 2 string) "funny:0:filename\0")))))
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;;; grep-tests.el ends here
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