Move dired tests using ls emulation to different files

Suggested in:
https://lists.gnu.org/archive/html/emacs-devel/2017-08/msg00018.html
* test/lisp/dired-tests.el (dired-test-bug27693)
(dired-test-bug27762, dired-test-bug27817)
(dired-test-bug27631, dired-test-bug27843): Delete those
parts requiring either ls-lisp or eshell-ls.

* test/lisp/ls-lisp-tests.el (ls-lisp-test-bug27762)
(ls-lisp-test-bug27631, ls-lisp-test-bug27693):
Add all dired tests using ls-lisp here.

* test/lisp/eshell/em-ls-tests.el (em-ls-test-bug27631)
(em-ls-test-bug27817, em-ls-test-bug27843): New test file.  Add
all dired tests using eshell-ls here.

1 files changed, 80 insertions, 0 deletions

diff --git a/test/lisp/eshell/em-ls-tests.el b/test/lisp/eshell/em-ls-tests.el
new file mode 100644
index 00000000000..71a555d1eaf
--- /dev/null
+++ b/test/lisp/eshell/em-ls-tests.el
@@ -0,0 +1,80 @@
+;;; tests/em-ls-tests.el --- em-ls test suite
+
+;; Copyright (C) 2017 Free Software Foundation, Inc.
+
+;; Author: Tino Calancha <tino.calancha@gmail.com>
+
+;; 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:
+
+
+;;; Code:
+
+(require 'ert)
+(require 'em-ls)
+
+(ert-deftest em-ls-test-bug27631 ()
+  "Test for http://debbugs.gnu.org/27631 ."
+  (let* ((dir (make-temp-file "bug27631" 'dir))
+         (dir1 (expand-file-name "dir1" dir))
+         (dir2 (expand-file-name "dir2" dir))
+         (default-directory dir)
+         (orig eshell-ls-use-in-dired)
+         buf)
+    (unwind-protect
+        (progn
+          (customize-set-value 'eshell-ls-use-in-dired t)
+          (make-directory dir1)
+          (make-directory dir2)
+          (with-temp-file (expand-file-name "a.txt" dir1))
+          (with-temp-file (expand-file-name "b.txt" dir2))
+          (setq buf (dired (expand-file-name "dir*/*.txt" dir)))
+          (dired-toggle-marks)
+          (should (cdr (dired-get-marked-files))))
+      (customize-set-variable 'eshell-ls-use-in-dired orig)
+      (delete-directory dir 'recursive)
+      (when (buffer-live-p buf) (kill-buffer buf)))))
+
+(ert-deftest em-ls-test-bug27817 ()
+  "Test for http://debbugs.gnu.org/27817 ."
+  (let ((orig eshell-ls-use-in-dired)
+        (dired-use-ls-dired 'unspecified)
+        buf insert-directory-program)
+    (unwind-protect
+        (progn
+          (customize-set-variable 'eshell-ls-use-in-dired t)
+          (should (setq buf (dired source-directory))))
+      (customize-set-variable 'eshell-ls-use-in-dired orig)
+      (and (buffer-live-p buf) (kill-buffer)))))
+
+(ert-deftest em-ls-test-bug27843 ()
+  "Test for http://debbugs.gnu.org/27843 ."
+  (let ((orig eshell-ls-use-in-dired)
+        (dired-use-ls-dired 'unspecified)
+        buf insert-directory-program)
+    (unwind-protect
+        (progn
+          (customize-set-variable 'eshell-ls-use-in-dired t)
+          (setq buf (dired (list source-directory "lisp")))
+          (dired-toggle-marks)
+          (should-not (cdr (dired-get-marked-files))))
+      (customize-set-variable 'eshell-ls-use-in-dired orig)
+      (and (buffer-live-p buf) (kill-buffer)))))
+
+(provide 'em-ls-test)
+
+;;; em-ls-tests.el ends here