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;;; tests/eshell.el --- Eshell test suite
;; Copyright (C) 1999-2013 Free Software Foundation, Inc.
;; Author: John Wiegley <[email protected]>
;; 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 <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Eshell test suite.
;;; Code:
(require 'ert)
(require 'eshell)
(defmacro with-temp-eshell (&rest body)
"Evaluate BODY in a temporary Eshell buffer."
`(let ((eshell-buffer (eshell t)))
(unwind-protect
(with-current-buffer eshell-buffer
,@body)
(kill-buffer eshell-buffer))))
(defun eshell-insert-command (text &optional func)
"Insert a command at the end of the buffer."
(goto-char eshell-last-output-end)
(insert-and-inherit text)
(funcall (or func 'eshell-send-input)))
(defun eshell-match-result (regexp)
"Insert a command at the end of the buffer."
(goto-char eshell-last-input-end)
(looking-at regexp))
(defun eshell-command-result-p (text regexp &optional func)
"Insert a command at the end of the buffer."
(eshell-insert-command text func)
(eshell-match-result regexp))
;;; Tests:
(ert-deftest eshell-test/simple-command-result ()
"Test `eshell-command-result' with a simple command."
(should (equal (eshell-command-result "+ 1 2") 3)))
(ert-deftest eshell-test/lisp-command ()
"Test `eshell-command-result' with an elisp command."
(should (equal (eshell-command-result "(+ 1 2)") 3)))
(ert-deftest eshell-test/for-loop ()
"Test `eshell-command-result' with an elisp command."
(should (equal (eshell-command-result "for foo in 5 { echo $foo }") 5)))
(ert-deftest eshell-test/for-name-loop () ;Bug#15231
"Test `eshell-command-result' with an elisp command."
(should (equal (eshell-command-result "for name in 3 { echo $name }") 3)))
(ert-deftest eshell-test/lisp-command-args ()
"Test `eshell-command-result' with elisp and trailing args.
Test that trailing arguments outside the S-expression are
ignored. e.g. \"(+ 1 2) 3\" => 3"
(should (equal (eshell-command-result "(+ 1 2) 3") 3)))
(ert-deftest eshell-test/subcommand ()
"Test `eshell-command-result' with a simple subcommand."
(should (equal (eshell-command-result "{+ 1 2}") 3)))
(ert-deftest eshell-test/subcommand-args ()
"Test `eshell-command-result' with a subcommand and trailing args.
Test that trailing arguments outside the subcommand are ignored.
e.g. \"{+ 1 2} 3\" => 3"
(should (equal (eshell-command-result "{+ 1 2} 3") 3)))
(ert-deftest eshell-test/subcommand-lisp ()
"Test `eshell-command-result' with an elisp subcommand and trailing args.
Test that trailing arguments outside the subcommand are ignored.
e.g. \"{(+ 1 2)} 3\" => 3"
(should (equal (eshell-command-result "{(+ 1 2)} 3") 3)))
(ert-deftest eshell-test/interp-cmd ()
"Interpolate command result"
(should (equal (eshell-command-result "+ ${+ 1 2} 3") 6)))
(ert-deftest eshell-test/interp-lisp ()
"Interpolate Lisp form evaluation"
(should (equal (eshell-command-result "+ $(+ 1 2) 3") 6)))
(ert-deftest eshell-test/interp-concat ()
"Interpolate and concat command"
(should (equal (eshell-command-result "+ ${+ 1 2}3 3") 36)))
(ert-deftest eshell-test/interp-concat-lisp ()
"Interpolate and concat Lisp form"
(should (equal (eshell-command-result "+ $(+ 1 2)3 3") 36)))
(ert-deftest eshell-test/interp-concat2 ()
"Interpolate and concat two commands"
(should (equal (eshell-command-result "+ ${+ 1 2}${+ 1 2} 3") 36)))
(ert-deftest eshell-test/interp-concat-lisp2 ()
"Interpolate and concat two Lisp forms"
(should (equal (eshell-command-result "+ $(+ 1 2)$(+ 1 2) 3") 36)))
(ert-deftest eshell-test/window-height ()
"$LINES should equal (window-height)"
(should (eshell-command-result "= $LINES (window-height)")))
(ert-deftest eshell-test/window-width ()
"$COLUMNS should equal (window-width)"
(should (eshell-command-result "= $COLUMNS (window-width)")))
(ert-deftest eshell-test/last-result-var ()
"Test using the \"last result\" ($$) variable"
(with-temp-eshell
(should
(eshell-command-result-p "+ 1 2; + $$ 2"
"3\n5\n"))))
(ert-deftest eshell-test/last-result-var2 ()
"Test using the \"last result\" ($$) variable twice"
(with-temp-eshell
(should
(eshell-command-result-p "+ 1 2; + $$ $$"
"3\n6\n"))))
(ert-deftest eshell-test/last-arg-var ()
"Test using the \"last arg\" ($_) variable"
(with-temp-eshell
(should
(eshell-command-result-p "+ 1 2; + $_ 4"
"3\n6\n"))))
(ert-deftest eshell-test/command-running-p ()
"Modeline should show no command running"
(with-temp-eshell
(let ((eshell-status-in-mode-line t))
(should (memq 'eshell-command-running-string mode-line-format))
(should (equal eshell-command-running-string "--")))))
(ert-deftest eshell-test/forward-arg ()
"Test moving across command arguments"
(with-temp-eshell
(eshell-insert-command "echo $(+ 1 (- 4 3)) \"alpha beta\" file" 'ignore)
(let ((here (point)) begin valid)
(eshell-bol)
(setq begin (point))
(eshell-forward-argument 4)
(setq valid (= here (point)))
(eshell-backward-argument 4)
(prog1
(and valid (= begin (point)))
(eshell-bol)
(delete-region (point) (point-max))))))
(ert-deftest eshell-test/queue-input ()
"Test queuing command input"
(with-temp-eshell
(eshell-insert-command "sleep 2")
(eshell-insert-command "echo alpha" 'eshell-queue-input)
(let ((count 10))
(while (and eshell-current-command
(> count 0))
(sit-for 1)
(setq count (1- count))))
(should (eshell-match-result "alpha\n"))))
(ert-deftest eshell-test/flush-output ()
"Test flushing of previous output"
(with-temp-eshell
(eshell-insert-command "echo alpha")
(eshell-kill-output)
(should (eshell-match-result (regexp-quote "*** output flushed ***\n")))
(should (forward-line))
(should (= (point) eshell-last-output-start))))
(ert-deftest eshell-test/run-old-command ()
"Re-run an old command"
(with-temp-eshell
(eshell-insert-command "echo alpha")
(goto-char eshell-last-input-start)
(string= (eshell-get-old-input) "echo alpha")))
(provide 'esh-test)
;;; tests/eshell.el ends here
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