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| | ;;; esh-var-tests.el --- esh-var test suite -*- lexical-binding:t -*-
;; Copyright (C) 2022 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 variable handling.
;;; Code:
(require 'ert)
(require 'esh-mode)
(require 'eshell)
(require 'eshell-tests-helpers
(expand-file-name "eshell-tests-helpers"
(file-name-directory (or load-file-name
default-directory))))
(defvar eshell-test-value nil)
;;; Tests:
\f
;; Variable interpolation
(ert-deftest esh-var-test/interp-var ()
"Interpolate variable"
(should (equal (eshell-test-command-result "echo $user-login-name")
user-login-name)))
(ert-deftest esh-var-test/interp-quoted-var ()
"Interpolate quoted variable"
(should (equal (eshell-test-command-result "echo $'user-login-name'")
user-login-name))
(should (equal (eshell-test-command-result "echo $\"user-login-name\"")
user-login-name)))
(ert-deftest esh-var-test/interp-quoted-var-concat ()
"Interpolate and concat quoted variable"
(should (equal (eshell-test-command-result "echo $'user-login-name'-foo")
(concat user-login-name "-foo")))
(should (equal (eshell-test-command-result "echo $\"user-login-name\"-foo")
(concat user-login-name "-foo"))))
(ert-deftest esh-var-test/interp-var-indices ()
"Interpolate list variable with indices"
(let ((eshell-test-value '("zero" "one" "two" "three" "four")))
(should (equal (eshell-test-command-result "echo $eshell-test-value[0]")
"zero"))
(should (equal (eshell-test-command-result "echo $eshell-test-value[0 2]")
'("zero" "two")))
(should (equal (eshell-test-command-result "echo $eshell-test-value[0 2 4]")
'("zero" "two" "four")))))
(ert-deftest esh-var-test/interp-var-split-indices ()
"Interpolate string variable with indices"
(let ((eshell-test-value "zero one two three four"))
(should (equal (eshell-test-command-result "echo $eshell-test-value[0]")
"zero"))
(should (equal (eshell-test-command-result "echo $eshell-test-value[0 2]")
'("zero" "two")))
(should (equal (eshell-test-command-result "echo $eshell-test-value[0 2 4]")
'("zero" "two" "four")))))
(ert-deftest esh-var-test/interp-var-string-split-indices ()
"Interpolate string variable with string splitter and indices"
(let ((eshell-test-value "zero:one:two:three:four"))
(should (equal (eshell-test-command-result "echo $eshell-test-value[: 0]")
"zero"))
(should (equal (eshell-test-command-result "echo $eshell-test-value[: 0 2]")
'("zero" "two"))))
(let ((eshell-test-value "zeroXoneXtwoXthreeXfour"))
(should (equal (eshell-test-command-result "echo $eshell-test-value[X 0]")
"zero"))
(should (equal (eshell-test-command-result "echo $eshell-test-value[X 0 2]")
'("zero" "two")))))
(ert-deftest esh-var-test/interp-var-regexp-split-indices ()
"Interpolate string variable with regexp splitter and indices"
(let ((eshell-test-value "zero:one!two:three!four"))
(should (equal (eshell-test-command-result
"echo $eshell-test-value['[:!]' 0]")
"zero"))
(should (equal (eshell-test-command-result
"echo $eshell-test-value['[:!]' 0 2]")
'("zero" "two")))
(should (equal (eshell-test-command-result
"echo $eshell-test-value[\"[:!]\" 0]")
"zero"))
(should (equal (eshell-test-command-result
"echo $eshell-test-value[\"[:!]\" 0 2]")
'("zero" "two")))))
(ert-deftest esh-var-test/interp-var-assoc ()
"Interpolate alist variable with index"
(let ((eshell-test-value '(("foo" . 1))))
(should (eq (eshell-test-command-result "echo $eshell-test-value[foo]")
1))))
(ert-deftest esh-var-test/interp-var-length-list ()
"Interpolate length of list variable"
(let ((eshell-test-value '((1 2) (3) (5 (6 7 8 9)))))
(should (eq (eshell-test-command-result "echo $#eshell-test-value") 3))
(should (eq (eshell-test-command-result "echo $#eshell-test-value[1]") 1))
(should (eq (eshell-test-command-result "echo $#eshell-test-value[2][1]")
4))))
(ert-deftest esh-var-test/interp-var-length-string ()
"Interpolate length of string variable"
(let ((eshell-test-value "foobar"))
(should (eq (eshell-test-command-result "echo $#eshell-test-value") 6))))
(ert-deftest esh-var-test/interp-var-length-alist ()
"Interpolate length of alist variable"
(let ((eshell-test-value '(("foo" . (1 2 3)))))
(should (eq (eshell-test-command-result "echo $#eshell-test-value") 1))
(should (eq (eshell-test-command-result "echo $#eshell-test-value[foo]")
3))))
(ert-deftest esh-var-test/interp-lisp ()
"Interpolate Lisp form evaluation"
(should (equal (eshell-test-command-result "+ $(+ 1 2) 3") 6)))
(ert-deftest esh-var-test/interp-lisp-indices ()
"Interpolate Lisp form evaluation with index"
(should (equal (eshell-test-command-result "+ $(list 1 2)[1] 3") 5)))
(ert-deftest esh-var-test/interp-cmd ()
"Interpolate command result"
(should (equal (eshell-test-command-result "+ ${+ 1 2} 3") 6)))
(ert-deftest esh-var-test/interp-cmd-indices ()
"Interpolate command result with index"
(should (equal (eshell-test-command-result "+ ${list 1 2}[1] 3") 5)))
(ert-deftest esh-var-test/interp-cmd-external ()
"Interpolate command result from external command"
(skip-unless (executable-find "echo"))
(with-temp-eshell
(eshell-command-result-p "echo ${*echo hi}"
"hi\n")))
(ert-deftest esh-var-test/interp-cmd-external-indices ()
"Interpolate command result from external command with index"
(skip-unless (executable-find "echo"))
(with-temp-eshell
(eshell-command-result-p "echo ${*echo \"hi\nbye\"}[1]"
"bye\n")))
(ert-deftest esh-var-test/interp-temp-cmd ()
"Interpolate command result redirected to temp file"
(should (equal (eshell-test-command-result "cat $<echo hi>") "hi")))
(ert-deftest esh-var-test/interp-concat-lisp ()
"Interpolate and concat Lisp form"
(should (equal (eshell-test-command-result "+ $(+ 1 2)3 3") 36)))
(ert-deftest esh-var-test/interp-concat-lisp2 ()
"Interpolate and concat two Lisp forms"
(should (equal (eshell-test-command-result "+ $(+ 1 2)$(+ 1 2) 3") 36)))
(ert-deftest esh-var-test/interp-concat-cmd ()
"Interpolate and concat command"
(should (equal (eshell-test-command-result "+ ${+ 1 2}3 3") 36)))
(ert-deftest esh-var-test/interp-concat-cmd2 ()
"Interpolate and concat two commands"
(should (equal (eshell-test-command-result "+ ${+ 1 2}${+ 1 2} 3") 36)))
(ert-deftest esh-var-test/interp-concat-cmd-external ()
"Interpolate command result from external command with concatenation"
(skip-unless (executable-find "echo"))
(with-temp-eshell
(eshell-command-result-p "echo ${echo hi}-${*echo there}"
"hi-there\n")))
(ert-deftest esh-var-test/quoted-interp-var ()
"Interpolate variable inside double-quotes"
(should (equal (eshell-test-command-result "echo \"$user-login-name\"")
user-login-name)))
(ert-deftest esh-var-test/quoted-interp-quoted-var ()
"Interpolate quoted variable inside double-quotes"
(should (equal (eshell-test-command-result
"echo \"hi, $'user-login-name'\"")
(concat "hi, " user-login-name)))
(should (equal (eshell-test-command-result
"echo \"hi, $\\\"user-login-name\\\"\"")
(concat "hi, " user-login-name))))
(ert-deftest esh-var-test/quoted-interp-var-indices ()
"Interpolate string variable with indices inside double-quotes"
(let ((eshell-test-value '("zero" "one" "two" "three" "four")))
(should (equal (eshell-test-command-result
"echo \"$eshell-test-value[0]\"")
"zero"))
(should (equal (eshell-test-command-result
"echo \"$eshell-test-value[0 2]\"")
'("zero" "two")))
(should (equal (eshell-test-command-result
"echo \"$eshell-test-value[0 2 4]\"")
'("zero" "two" "four")))))
(ert-deftest esh-var-test/quoted-interp-var-split-indices ()
"Interpolate string variable with indices inside double-quotes"
(let ((eshell-test-value "zero one two three four"))
(should (equal (eshell-test-command-result
"echo \"$eshell-test-value[0]\"")
"zero"))
(should (equal (eshell-test-command-result
"echo \"$eshell-test-value[0 2]\"")
'("zero" "two")))))
(ert-deftest esh-var-test/quoted-interp-var-string-split-indices ()
"Interpolate string variable with string splitter and indices
inside double-quotes"
(let ((eshell-test-value "zero:one:two:three:four"))
(should (equal (eshell-test-command-result
"echo \"$eshell-test-value[: 0]\"")
"zero"))
(should (equal (eshell-test-command-result
"echo \"$eshell-test-value[: 0 2]\"")
'("zero" "two"))))
(let ((eshell-test-value "zeroXoneXtwoXthreeXfour"))
(should (equal (eshell-test-command-result
"echo \"$eshell-test-value[X 0]\"")
"zero"))
(should (equal (eshell-test-command-result
"echo \"$eshell-test-value[X 0 2]\"")
'("zero" "two")))))
(ert-deftest esh-var-test/quoted-interp-var-regexp-split-indices ()
"Interpolate string variable with regexp splitter and indices"
(let ((eshell-test-value "zero:one!two:three!four"))
(should (equal (eshell-test-command-result
"echo \"$eshell-test-value['[:!]' 0]\"")
"zero"))
(should (equal (eshell-test-command-result
"echo \"$eshell-test-value['[:!]' 0 2]\"")
'("zero" "two")))
(should (equal (eshell-test-command-result
"echo \"$eshell-test-value[\\\"[:!]\\\" 0]\"")
"zero"))
(should (equal (eshell-test-command-result
"echo \"$eshell-test-value[\\\"[:!]\\\" 0 2]\"")
'("zero" "two")))))
(ert-deftest esh-var-test/quoted-interp-var-assoc ()
"Interpolate alist variable with index inside double-quotes"
(let ((eshell-test-value '(("foo" . 1))))
(should (equal (eshell-test-command-result
"echo \"$eshell-test-value[foo]\"")
1))))
(ert-deftest esh-var-test/quoted-interp-var-length-list ()
"Interpolate length of list variable inside double-quotes"
(let ((eshell-test-value '((1 2) (3) (5 (6 7 8 9)))))
(should (eq (eshell-test-command-result "echo \"$#eshell-test-value\"") 3))
(should (eq (eshell-test-command-result "echo \"$#eshell-test-value[1]\"")
1))
(should (eq (eshell-test-command-result
"echo \"$#eshell-test-value[2][1]\"")
4))))
(ert-deftest esh-var-test/quoted-interp-var-length-string ()
"Interpolate length of string variable inside double-quotes"
(let ((eshell-test-value "foobar"))
(should (eq (eshell-test-command-result "echo \"$#eshell-test-value\"")
6))))
(ert-deftest esh-var-test/quoted-interp-var-length-alist ()
"Interpolate length of alist variable inside double-quotes"
(let ((eshell-test-value '(("foo" . (1 2 3)))))
(should (eq (eshell-test-command-result "echo \"$#eshell-test-value\"") 1))
(should (eq (eshell-test-command-result "echo \"$#eshell-test-value[foo]\"")
3))))
(ert-deftest esh-var-test/quoted-interp-lisp ()
"Interpolate Lisp form evaluation inside double-quotes"
(should (equal (eshell-test-command-result
"echo \"hi $(concat \\\"the\\\" \\\"re\\\")\"")
"hi there")))
(ert-deftest esh-var-test/quoted-interp-lisp-indices ()
"Interpolate Lisp form evaluation with index"
(should (equal (eshell-test-command-result "+ \"$(list 1 2)[1]\" 3") 5)))
(ert-deftest esh-var-test/quoted-interp-cmd ()
"Interpolate command result inside double-quotes"
(should (equal (eshell-test-command-result
"echo \"hi ${echo \\\"there\\\"}\"")
"hi there")))
(ert-deftest esh-var-test/quoted-interp-cmd-indices ()
"Interpolate command result with index inside double-quotes"
(should (equal (eshell-test-command-result "+ \"${list 1 2}[1]\" 3") 5)))
(ert-deftest esh-var-test/quoted-interp-temp-cmd ()
"Interpolate command result redirected to temp file inside double-quotes"
(should (equal (eshell-test-command-result "cat \"$<echo hi>\"") "hi")))
\f
;; Built-in variables
(ert-deftest esh-var-test/window-height ()
"$LINES should equal (window-height)"
(should (eshell-test-command-result "= $LINES (window-height)")))
(ert-deftest esh-var-test/window-width ()
"$COLUMNS should equal (window-width)"
(should (eshell-test-command-result "= $COLUMNS (window-width)")))
(ert-deftest esh-var-test/last-result-var ()
"Test using the \"last result\" ($$) variable"
(with-temp-eshell
(eshell-command-result-p "+ 1 2; + $$ 2"
"3\n5\n")))
(ert-deftest esh-var-test/last-result-var2 ()
"Test using the \"last result\" ($$) variable twice"
(with-temp-eshell
(eshell-command-result-p "+ 1 2; + $$ $$"
"3\n6\n")))
(ert-deftest esh-var-test/last-arg-var ()
"Test using the \"last arg\" ($_) variable"
(with-temp-eshell
(eshell-command-result-p "+ 1 2; + $_ 4"
"3\n6\n")))
;; esh-var-tests.el ends here
|