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;;; em-dirs-tests.el --- em-dirs test suite -*- lexical-binding:t -*-
;; Copyright (C) 2022-2025 Free Software Foundation, Inc.
;; 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:
;; Tests for Eshell's dirs module.
;;; Code:
(require 'ert)
(require 'esh-mode)
(require 'eshell)
(require 'em-dirs)
(require 'eshell-tests-helpers
(expand-file-name "eshell-tests-helpers"
(file-name-directory (or load-file-name
default-directory))))
;;; Tests:
;; Variables
(ert-deftest em-dirs-test/pwd-var ()
"Test using the $PWD variable."
(let ((default-directory "/some/path"))
(eshell-command-result-equal "echo $PWD"
(expand-file-name default-directory))))
(ert-deftest em-dirs-test/pwd-var-indices ()
"Test using the $PWD variable with indices."
(let ((default-directory "/some/path/here"))
(eshell-command-result-equal "echo $PWD[/ 1]"
"some")
(eshell-command-result-equal "echo $PWD[/ 1 3]"
'("some" "here"))))
(ert-deftest em-dirs-test/short-pwd-var ()
"Test using the $+ (current directory) variable."
(let ((default-directory "/some/path"))
(eshell-command-result-equal "echo $+"
(expand-file-name default-directory))))
(ert-deftest em-dirs-test/oldpwd-var ()
"Test using the $OLDPWD variable."
(let (eshell-last-dir-ring-file-name)
(with-temp-eshell
(eshell-match-command-output "echo $OLDPWD"
"\\`\\'")
(ring-insert eshell-last-dir-ring "/some/path")
(eshell-match-command-output "echo $OLDPWD"
"/some/path\n"))))
(ert-deftest em-dirs-test/oldpwd-var-indices ()
"Test using the $OLDPWD variable with indices."
(let (eshell-last-dir-ring-file-name)
(with-temp-eshell
(ring-insert eshell-last-dir-ring "/some/path/here")
(eshell-match-command-output "echo $OLDPWD[/ 1]"
"some\n")
(eshell-match-command-output "echo $OLDPWD[/ 1 3]"
"(\"some\" \"here\")\n"))))
(ert-deftest em-dirs-test/directory-ring-var ()
"Test using the $- (directory ring) variable."
(let (eshell-last-dir-ring-file-name)
(with-temp-eshell
(eshell-match-command-output "echo $-"
"\\`\\'")
(ring-insert eshell-last-dir-ring "/some/path")
(ring-insert eshell-last-dir-ring "/other/path")
(eshell-match-command-output "echo $-"
"/other/path\n")
(eshell-match-command-output "echo $-[0]"
"/other/path\n")
(eshell-match-command-output "echo $-[1]"
"/some/path\n"))))
(ert-deftest em-dirs-test/directory-ring-var-indices ()
"Test using the $- (directory ring) variable with multiple indices."
(let (eshell-last-dir-ring-file-name)
(with-temp-eshell
(ring-insert eshell-last-dir-ring "/some/path/here")
(eshell-match-command-output "echo $-[0][/ 1]"
"some\n")
(eshell-match-command-output "echo $-[1][/ 1 3]"
"(\"some\" \"here\")\n"))))
;; Argument expansion
(ert-deftest em-dirs-test/expand-user-reference/local ()
"Test expansion of \"~USER\" references."
(eshell-command-result-equal "echo ~" (expand-file-name "~"))
(eshell-command-result-equal
(format "echo ~%s" user-login-name)
(expand-file-name (format "~%s" user-login-name))))
(ert-deftest em-dirs-test/expand-user-reference/quoted ()
"Test that a quoted \"~\" isn't expanded."
(eshell-command-result-equal "echo \\~" "~")
(eshell-command-result-equal "echo \"~\"" "~")
(eshell-command-result-equal "echo '~'" "~"))
;; `cd'
(ert-deftest em-dirs-test/cd ()
"Test that changing directories with `cd' works."
(ert-with-temp-directory tmpdir
(write-region "text" nil (expand-file-name "file.txt" tmpdir))
(with-temp-eshell
(eshell-match-command-output (format "cd '%s'" tmpdir)
"\\`\\'")
(should (equal default-directory tmpdir)))))
(ert-deftest em-dirs-test/cd/list-files-after-cd ()
"Test that listing files after `cd' works."
(let ((eshell-list-files-after-cd t))
(ert-with-temp-directory tmpdir
(write-region "text" nil (expand-file-name "file.txt" tmpdir))
(with-temp-eshell
(eshell-match-command-output (format "cd '%s'" tmpdir)
"file.txt\n")
(should (equal default-directory tmpdir))
;; Make sure we didn't update the last-command information when
;; running "ls".
(should (equal eshell-last-command-name "#<function eshell/cd>"))
(should (equal eshell-last-arguments (list tmpdir)))))))
;; em-dirs-tests.el ends here
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