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;;; vc-test-misc.el --- backend-agnostic VC tests -*- lexical-binding:t -*-
;; Copyright (C) 2025 Free Software Foundation, Inc.
;; Author: Sean Whitton <spwhitton@spwhitton.name>
;; 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:
;;; Code:
(require 'ert-x)
(require 'vc)
(ert-deftest vc-test-buffer-sync-fileset ()
"Test `vc-buffer-sync-fileset'."
(cl-flet ((test-it (&rest args)
(let (buffers)
(cl-letf (((symbol-function 'vc-buffer-sync)
(lambda (&rest _)
(push (current-buffer) buffers))))
(apply #'vc-buffer-sync-fileset args)
(sort buffers)))))
(ert-with-temp-directory temp
(let* ((default-directory temp)
(present (find-file-noselect "present"))
(missing (find-file-noselect "missing"))
(only-present (list present))
(only-missing (list missing))
(missing+present (list missing present)))
(with-current-buffer present (basic-save-buffer))
(with-temp-file "unvisited")
;; Regular behavior for files.
(should (equal (test-it `(Git ("missing")))
only-missing))
(should (equal (test-it `(Git ("present" "missing")))
missing+present))
;; Regular behavior for directories.
(should (equal (test-it `(Git (,temp)))
only-present))
;; Two ways to override regular behavior for directories.
(should (equal (test-it `(Git (,temp)) nil t)
missing+present))
(should (equal (test-it `(Git (,temp "missing")))
missing+present))
;; Doesn't sync PRESENT twice.
(should (equal (test-it `(Git ("present" ,temp)))
only-present))
(should (equal (test-it `(Git ("missing" ,temp "present")))
missing+present))))))
(provide 'vc-test-misc)
;;; vc-test-misc.el ends here
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