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* lisp/eshell/em-alias.el (eshell-read-aliases-list): Reverse the alias list back to its original order at the end of loading. * test/lisp/eshell/em-alias-tests.el (em-alias-test/alias-load-preserves-order) (em-alias-test/alias-save-sorted): New tests.
131 lines
5 KiB
EmacsLisp
131 lines
5 KiB
EmacsLisp
;;; em-alias-tests.el --- em-alias test suite -*- lexical-binding:t -*-
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;; Copyright (C) 2022-2026 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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;; Tests for Eshell's alias module.
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;;; Code:
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(require 'ert)
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(require 'ert-x)
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(require 'esh-mode)
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(require 'eshell)
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(require 'em-alias)
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(require 'eshell-tests-helpers
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(ert-resource-file "eshell-tests-helpers"))
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;;; Tests:
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(ert-deftest em-alias-test/simple-alias ()
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"Test a simple alias with no arguments"
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(with-temp-eshell
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(eshell-insert-command "alias say-hi 'echo hi'")
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(eshell-match-command-output "say-hi" "hi\n")
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(eshell-match-command-output "say-hi bye" "hi\n")))
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(ert-deftest em-alias-test/alias-arg-vars ()
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"Test alias with $0, $1, ... variables"
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(with-temp-eshell
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(eshell-insert-command "alias show-args 'printnl $0 \"$1 $2\"'")
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(eshell-match-command-output "show-args one two" "show-args\none two\n")))
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(ert-deftest em-alias-test/alias-arg-vars-indices ()
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"Test alias with $1, $2, ... variables using indices"
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(with-temp-eshell
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(eshell-insert-command "alias funny-sum '+ $1[0] $2[1]'")
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(eshell-match-command-output "funny-sum (list 1 2) (list 3 4)"
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"5\n")))
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(ert-deftest em-alias-test/alias-arg-vars-split-indices ()
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"Test alias with $0, $1, ... variables using split indices"
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(with-temp-eshell
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(eshell-insert-command "alias my-prefix 'echo $0[- 0]'")
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(eshell-match-command-output "my-prefix"
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"my\n")
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(eshell-insert-command "alias funny-sum '+ $1[: 0] $2[: 1]'")
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(eshell-match-command-output "funny-sum 1:2 3:4"
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"5\n")))
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(ert-deftest em-alias-test/alias-all-args-var ()
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"Test alias with the $* variable"
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(with-temp-eshell
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(eshell-insert-command "alias show-all-args 'printnl $*'")
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(eshell-match-command-output "show-all-args" "\\`\\'")
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(eshell-match-command-output "show-all-args a" "a\n")
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(eshell-match-command-output "show-all-args a b c" "a\nb\nc\n")))
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(ert-deftest em-alias-test/alias-all-args-var-splice ()
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"Test alias with splicing the $* variable"
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(with-temp-eshell
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(eshell-insert-command "alias show-all-args 'echo args: $@*'")
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(eshell-match-command-output "show-all-args" "args:\n")
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(eshell-match-command-output "show-all-args a" "(\"args:\" \"a\")\n")
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(eshell-match-command-output "show-all-args a b c"
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"(\"args:\" \"a\" \"b\" \"c\")\n")))
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(ert-deftest em-alias-test/alias-all-args-var-indices ()
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"Test alias with the $* variable using indices"
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(with-temp-eshell
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(eshell-insert-command "alias add-pair '+ $*[0] $*[1]'")
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(eshell-match-command-output "add-pair 1 2" "3\n")))
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(ert-deftest em-alias-test/alias-all-args-var-split-indices ()
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"Test alias with the $* variable using split indices"
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(with-temp-eshell
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(eshell-insert-command "alias add-funny-pair '+ $*[0][: 0] $*[1][: 1]'")
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(eshell-match-command-output "add-funny-pair 1:2 3:4" "5\n")))
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(ert-deftest em-alias-test/alias-list-is-sorted ()
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"Test that the alias list is sorted on insert"
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(with-temp-eshell
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(eshell-insert-command "alias aaa 'aaa'")
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(eshell-insert-command "alias ccc 'ccc'")
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(eshell-insert-command "alias bbb 'bbb'")
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(eshell-match-command-output
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"alias" "alias aaa aaa\nalias bbb bbb\nalias ccc ccc\n")))
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(ert-deftest em-alias-test/alias-load-preserves-order ()
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"Test that loading the alias list from disk preserves the ordering"
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(let ((aliases (concat "alias aaa echo aaa\n"
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"alias ccc echo ccc\n"
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"alias bbb echo bbb\n")))
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(ert-with-temp-file aliasfile
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(with-temp-buffer
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(insert aliases)
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(write-file aliasfile))
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(with-temp-eshell
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(setq eshell-aliases-file aliasfile)
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(eshell-read-aliases-list)
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(eshell-match-command-output "alias" (regexp-quote aliases))))))
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(ert-deftest em-alias-test/alias-save-sorted ()
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"Test that saving the alias file to disk saves in sorted order"
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(ert-with-temp-file aliasfile
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(with-temp-eshell
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(setq eshell-aliases-file aliasfile)
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(eshell-insert-command "alias aaa 'aaa'")
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(eshell-insert-command "alias ccc 'ccc'")
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(eshell-insert-command "alias bbb 'bbb'")
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(should (equal (with-temp-buffer
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(insert-file-contents aliasfile)
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(buffer-string))
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"alias aaa aaa\nalias bbb bbb\nalias ccc ccc\n")))))
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;; em-alias-tests.el ends here
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