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1be925faa1
* lisp/eshell/esh-arg.el (eshell-parse-argument-hook): Explain how to use 'eshell-finish-arg'. * lisp/eshell/esh-io.el (eshell-create-handles): Only call 'eshell-get-target' for stderr if necessary. (eshell-protect-handles): Use 'dotimes'. (eshell-set-output-handle): Pass HANDLES and fix an edge case with setting a duplicate TARGET. * test/lisp/eshell/eshell-tests-helpers.el (eshell-with-temp-buffer): New macro. * test/lisp/eshell/esh-cmd-tests.el (esh-cmd-test/quoted-lisp-form) (esh-cmd-test/backquoted-lisp-form) (esh-cmd-test/backquoted-lisp-form/splice): New tests. * test/lisp/eshell/eshell-tests.el (eshell-test/redirect-buffer) (eshell-test/redirect-buffer-escaped): Move to... * test/lisp/eshell/esh-io-tests.el: ... here, and add other I/O tests. * doc/misc/eshell.texi (Arguments): Add documentation for special argument types. (Input/Output): Expand documentation for redirection and pipelines.
294 lines
11 KiB
EmacsLisp
294 lines
11 KiB
EmacsLisp
;;; esh-cmd-tests.el --- esh-cmd test suite -*- lexical-binding:t -*-
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;; Copyright (C) 2022 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 command invocation.
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;;; Code:
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(require 'ert)
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(require 'esh-mode)
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(require 'eshell)
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(require 'eshell-tests-helpers
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(expand-file-name "eshell-tests-helpers"
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(file-name-directory (or load-file-name
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default-directory))))
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(defvar eshell-test-value nil)
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;;; Tests:
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;; Command invocation
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(ert-deftest esh-cmd-test/simple-command-result ()
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"Test invocation with a simple command."
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(eshell-command-result-equal "+ 1 2" 3))
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(ert-deftest esh-cmd-test/lisp-command ()
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"Test invocation with an elisp command."
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(eshell-command-result-equal "(+ 1 2)" 3))
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(ert-deftest esh-cmd-test/lisp-command-with-quote ()
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"Test invocation with an elisp command containing a quote."
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(eshell-command-result-equal "(eq 'foo nil)" nil))
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(ert-deftest esh-cmd-test/lisp-command-args ()
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"Test invocation with elisp and trailing args.
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Test that trailing arguments outside the S-expression are
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ignored. e.g. \"(+ 1 2) 3\" => 3"
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(eshell-command-result-equal "(+ 1 2) 3" 3))
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(ert-deftest esh-cmd-test/subcommand ()
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"Test invocation with a simple subcommand."
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(eshell-command-result-equal "{+ 1 2}" 3))
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(ert-deftest esh-cmd-test/subcommand-args ()
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"Test invocation with a subcommand and trailing args.
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Test that trailing arguments outside the subcommand are ignored.
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e.g. \"{+ 1 2} 3\" => 3"
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(eshell-command-result-equal "{+ 1 2} 3" 3))
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(ert-deftest esh-cmd-test/subcommand-lisp ()
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"Test invocation with an elisp subcommand and trailing args.
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Test that trailing arguments outside the subcommand are ignored.
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e.g. \"{(+ 1 2)} 3\" => 3"
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(eshell-command-result-equal "{(+ 1 2)} 3" 3))
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;; Lisp forms
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(ert-deftest esh-cmd-test/quoted-lisp-form ()
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"Test parsing of a quoted Lisp form."
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(eshell-command-result-equal "echo #'(1 2)" '(1 2)))
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(ert-deftest esh-cmd-test/backquoted-lisp-form ()
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"Test parsing of a backquoted Lisp form."
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(let ((eshell-test-value 42))
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(eshell-command-result-equal "echo `(answer ,eshell-test-value)"
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'(answer 42))))
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(ert-deftest esh-cmd-test/backquoted-lisp-form/splice ()
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"Test parsing of a backquoted Lisp form using splicing."
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(let ((eshell-test-value '(2 3)))
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(eshell-command-result-equal "echo `(1 ,@eshell-test-value)"
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'(1 2 3))))
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;; Logical operators
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(ert-deftest esh-cmd-test/and-operator ()
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"Test logical && operator."
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(skip-unless (executable-find "["))
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(with-temp-eshell
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(eshell-match-command-output "[ foo = foo ] && echo hi"
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"hi\n")
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(eshell-match-command-output "[ foo = bar ] && echo hi"
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"\\`\\'")))
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(ert-deftest esh-cmd-test/or-operator ()
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"Test logical || operator."
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(skip-unless (executable-find "["))
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(with-temp-eshell
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(eshell-match-command-output "[ foo = foo ] || echo hi"
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"\\`\\'")
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(eshell-match-command-output "[ foo = bar ] || echo hi"
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"hi\n")))
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;; Control flow statements
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(ert-deftest esh-cmd-test/for-loop ()
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"Test invocation of a for loop."
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(with-temp-eshell
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(eshell-match-command-output "for i in 5 { echo $i }"
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"5\n")))
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(ert-deftest esh-cmd-test/for-loop-list ()
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"Test invocation of a for loop iterating over a list."
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(with-temp-eshell
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(eshell-match-command-output "for i in (list 1 2 (list 3 4)) { echo $i }"
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"1\n2\n(3 4)\n")))
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(ert-deftest esh-cmd-test/for-loop-multiple-args ()
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"Test invocation of a for loop iterating over multiple arguments."
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(with-temp-eshell
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(eshell-match-command-output "for i in 1 2 (list 3 4) { echo $i }"
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"1\n2\n3\n4\n")))
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(ert-deftest esh-cmd-test/for-name-loop () ; bug#15231
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"Test invocation of a for loop using `name'."
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(let ((process-environment (cons "name" process-environment)))
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(eshell-command-result-equal "for name in 3 { echo $name }"
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3)))
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(ert-deftest esh-cmd-test/for-name-shadow-loop () ; bug#15372
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"Test invocation of a for loop using an env-var."
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(let ((process-environment (cons "name=env-value" process-environment)))
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(with-temp-eshell
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(eshell-match-command-output
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"echo $name; for name in 3 { echo $name }; echo $name"
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"env-value\n3\nenv-value\n"))))
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(ert-deftest esh-cmd-test/while-loop ()
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"Test invocation of a while loop."
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(with-temp-eshell
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(let ((eshell-test-value '(0 1 2)))
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(eshell-match-command-output
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(concat "while $eshell-test-value "
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"{ setq eshell-test-value (cdr eshell-test-value) }")
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"(1 2)\n(2)\n"))))
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(ert-deftest esh-cmd-test/while-loop-lisp-form ()
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"Test invocation of a while loop using a Lisp form."
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(with-temp-eshell
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(let ((eshell-test-value 0))
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(eshell-match-command-output
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(concat "while (/= eshell-test-value 3) "
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"{ setq eshell-test-value (1+ eshell-test-value) }")
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"1\n2\n3\n"))))
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(ert-deftest esh-cmd-test/while-loop-ext-cmd ()
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"Test invocation of a while loop using an external command."
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(skip-unless (executable-find "["))
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(with-temp-eshell
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(let ((eshell-test-value 0))
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(eshell-match-command-output
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(concat "while {[ $eshell-test-value -ne 3 ]} "
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"{ setq eshell-test-value (1+ eshell-test-value) }")
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"1\n2\n3\n"))))
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(ert-deftest esh-cmd-test/until-loop ()
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"Test invocation of an until loop."
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(with-temp-eshell
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(let ((eshell-test-value nil))
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(eshell-match-command-output
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(concat "until $eshell-test-value "
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"{ setq eshell-test-value t }")
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"t\n"))))
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(ert-deftest esh-cmd-test/until-loop-lisp-form ()
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"Test invocation of an until loop using a Lisp form."
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(skip-unless (executable-find "["))
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(with-temp-eshell
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(let ((eshell-test-value 0))
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(eshell-match-command-output
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(concat "until (= eshell-test-value 3) "
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"{ setq eshell-test-value (1+ eshell-test-value) }")
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"1\n2\n3\n"))))
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(ert-deftest esh-cmd-test/until-loop-ext-cmd ()
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"Test invocation of an until loop using an external command."
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(skip-unless (executable-find "["))
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(with-temp-eshell
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(let ((eshell-test-value 0))
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(eshell-match-command-output
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(concat "until {[ $eshell-test-value -eq 3 ]} "
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"{ setq eshell-test-value (1+ eshell-test-value) }")
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"1\n2\n3\n"))))
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(ert-deftest esh-cmd-test/if-statement ()
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"Test invocation of an if statement."
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(let ((eshell-test-value t))
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(eshell-command-result-equal "if $eshell-test-value {echo yes}"
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"yes"))
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(let ((eshell-test-value nil))
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(eshell-command-result-equal "if $eshell-test-value {echo yes}"
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nil)))
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(ert-deftest esh-cmd-test/if-else-statement ()
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"Test invocation of an if/else statement."
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(let ((eshell-test-value t))
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(eshell-command-result-equal "if $eshell-test-value {echo yes} {echo no}"
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"yes"))
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(let ((eshell-test-value nil))
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(eshell-command-result-equal "if $eshell-test-value {echo yes} {echo no}"
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"no")))
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(ert-deftest esh-cmd-test/if-else-statement-lisp-form ()
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"Test invocation of an if/else statement using a Lisp form."
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(eshell-command-result-equal "if (zerop 0) {echo yes} {echo no}"
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"yes")
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(eshell-command-result-equal "if (zerop 1) {echo yes} {echo no}"
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"no")
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(let ((debug-on-error nil))
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(eshell-command-result-equal "if (zerop \"foo\") {echo yes} {echo no}"
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"no")))
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(ert-deftest esh-cmd-test/if-else-statement-lisp-form-2 ()
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"Test invocation of an if/else statement using a Lisp form.
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This tests when `eshell-lisp-form-nil-is-failure' is nil."
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(let ((eshell-lisp-form-nil-is-failure nil))
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(eshell-command-result-equal "if (zerop 0) {echo yes} {echo no}"
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"yes")
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(eshell-command-result-equal "if (zerop 1) {echo yes} {echo no}"
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"yes")
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(let ((debug-on-error nil))
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(eshell-command-result-equal "if (zerop \"foo\") {echo yes} {echo no}"
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"no"))))
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(ert-deftest esh-cmd-test/if-else-statement-ext-cmd ()
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"Test invocation of an if/else statement using an external command."
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(skip-unless (executable-find "["))
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(eshell-command-result-equal "if {[ foo = foo ]} {echo yes} {echo no}"
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"yes")
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(eshell-command-result-equal "if {[ foo = bar ]} {echo yes} {echo no}"
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"no"))
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(ert-deftest esh-cmd-test/unless-statement ()
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"Test invocation of an unless statement."
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(let ((eshell-test-value t))
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(eshell-command-result-equal "unless $eshell-test-value {echo no}"
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nil))
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(let ((eshell-test-value nil))
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(eshell-command-result-equal "unless $eshell-test-value {echo no}"
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"no")))
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(ert-deftest esh-cmd-test/unless-else-statement ()
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"Test invocation of an unless/else statement."
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(let ((eshell-test-value t))
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(eshell-command-result-equal
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"unless $eshell-test-value {echo no} {echo yes}"
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"yes"))
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(let ((eshell-test-value nil))
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(eshell-command-result-equal
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"unless $eshell-test-value {echo no} {echo yes}"
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"no")))
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(ert-deftest esh-cmd-test/unless-else-statement-lisp-form ()
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"Test invocation of an unless/else statement using a Lisp form."
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(eshell-command-result-equal "unless (zerop 0) {echo no} {echo yes}"
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"yes")
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(eshell-command-result-equal "unless (zerop 1) {echo no} {echo yes}"
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"no")
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(let ((debug-on-error nil))
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(eshell-command-result-equal "unless (zerop \"foo\") {echo no} {echo yes}"
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"no")))
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(ert-deftest esh-cmd-test/unless-else-statement-ext-cmd ()
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"Test invocation of an unless/else statement using an external command."
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(skip-unless (executable-find "["))
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(eshell-command-result-equal "unless {[ foo = foo ]} {echo no} {echo yes}"
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"yes")
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(eshell-command-result-equal "unless {[ foo = bar ]} {echo no} {echo yes}"
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"no"))
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;; esh-cmd-tests.el ends here
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