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;;; esh-proc-tests.el --- esh-proc 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/>.
;;; 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))))
(ert-deftest esh-proc-test/sigpipe-exits-process ()
"Test that a SIGPIPE is properly sent to a process if a pipe closes"
(skip-unless (and (executable-find "sh")
(executable-find "echo")
(executable-find "sleep")))
(with-temp-eshell
(eshell-command-result-p
;; The first command is like `yes' but slower. This is to prevent
;; it from taxing Emacs's process filter too much and causing a
;; hang.
(concat "sh -c 'while true; do echo y; sleep 1; done' | "
"sh -c 'read NAME; echo ${NAME}'")
"y\n")
(eshell-wait-for-subprocess t)
(should (eq (process-list) nil))))
(ert-deftest esh-proc-test/kill-pipeline ()
"Test that killing a pipeline of processes only emits a single
prompt. See bug#54136."
(skip-unless (and (executable-find "sh")
(executable-find "echo")
(executable-find "sleep")))
;; This test doesn't work on EMBA with AOT nativecomp, but works
;; fine elsewhere.
(skip-unless (not (getenv "EMACS_EMBA_CI")))
(with-temp-eshell
(eshell-insert-command
(concat "sh -c 'while true; do echo y; sleep 1; done' | "
"sh -c 'while true; do read NAME; done'"))
(let ((output-start (eshell-beginning-of-output)))
(eshell-kill-process)
(eshell-wait-for-subprocess t)
(should (string-match-p
;; "interrupt\n" is for MS-Windows.
(rx (or "interrupt\n" "killed\n" "killed: 9\n"))
(buffer-substring-no-properties
output-start (eshell-end-of-output)))))))
(ert-deftest esh-proc-test/kill-pipeline-head ()
"Test that killing the first process in a pipeline doesn't
write the exit status to the pipe. See bug#54136."
(skip-unless (and (executable-find "sh")
(executable-find "echo")
(executable-find "sleep")))
(with-temp-eshell
(eshell-insert-command
(concat "sh -c 'while true; do sleep 1; done' | "
"sh -c 'while read NAME; do echo =${NAME}=; done'"))
(let ((output-start (eshell-beginning-of-output)))
(kill-process (eshell-head-process))
(eshell-wait-for-subprocess t)
(should (equal (buffer-substring-no-properties
output-start (eshell-end-of-output))
"")))))
(ert-deftest esh-proc-test/kill-background-process ()
"Test that killing a background process doesn't emit a new
prompt. See bug#54136."
(skip-unless (and (executable-find "sh")
(executable-find "sleep")))
(with-temp-eshell
(eshell-insert-command "sh -c 'while true; do sleep 1; done' &")
(kill-process (caar eshell-process-list))
;; Give `eshell-sentinel' a chance to run.
(sit-for 0.1)
(eshell-match-result "\\[sh\\(\\.exe\\)?\\] [[:digit:]]+\n")))
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