149 lines
6.3 KiB
EmacsLisp
149 lines
6.3 KiB
EmacsLisp
;;; vc-bzr-tests.el --- tests for vc/vc-bzr.el -*- lexical-binding: t -*-
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;; Copyright (C) 2011-2024 Free Software Foundation, Inc.
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;; Author: Glenn Morris <rgm@gnu.org>
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;; Maintainer: emacs-devel@gnu.org
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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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;;; Code:
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(require 'ert)
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(require 'ert-x)
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(require 'vc-bzr)
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(require 'vc-dir)
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(ert-deftest vc-bzr-test-bug9726 ()
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"Test for https://debbugs.gnu.org/9726 ."
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(skip-unless (executable-find vc-bzr-program))
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;; Bzr wants to access HOME, e.g. to write ~/.bzr.log.
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;; This is a problem on hydra, where HOME is non-existent.
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;; You can disable logging with BZR_LOG=/dev/null, but then some
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;; commands (eg `bzr status') want to access ~/.bazaar, and will
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;; abort if they cannot. I could not figure out how to stop bzr
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;; doing that, so just give it a temporary homedir for the duration.
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;; https://bugs.launchpad.net/bzr/+bug/137407 ?
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;;
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;; Note that with bzr 2.x, this works:
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;; mkdir /tmp/bzr
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;; HOME=/nonexistent BZR_HOME=/tmp/bzr bzr status
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;; but with brz 3.1, it complains:
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;; "failed to open trace file: [Errno 13] Permission denied: '/nonexistent'"
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;; which confuses vc-dir.
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;; We can quieten brz by adding either BRZ_LOG=/dev/null, or
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;; XDG_CACHE_HOME=/tmp/bzr (log defaults to XDG_CACHE_HOME/breezy/brz.log),
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;; but it seems simpler to just set HOME to a newly created
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;; temporary directory.
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;; TODO does this means tests should be setting XDG_ variables (not
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;; just HOME) to temporary values too?
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(ert-with-temp-directory homedir
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(let* ((bzrdir (expand-file-name "bzr" homedir))
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(ignored-dir (progn
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(make-directory bzrdir)
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(expand-file-name "ignored-dir" bzrdir)))
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(default-directory (file-name-as-directory bzrdir))
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(process-environment (cons (format "HOME=%s" homedir)
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process-environment)))
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(make-directory ignored-dir)
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(with-temp-buffer
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(insert (file-name-nondirectory ignored-dir))
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(write-region nil nil (expand-file-name ".bzrignore" bzrdir)
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nil 'silent))
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(skip-unless (eq 0 ; some internal bzr error
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(call-process vc-bzr-program nil nil nil "init")))
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(call-process vc-bzr-program nil nil nil "add")
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(call-process vc-bzr-program nil nil nil "commit" "-m" "Commit 1")
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(with-temp-buffer
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(insert "unregistered file")
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(write-region nil nil (expand-file-name "testfile2" ignored-dir)
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nil 'silent))
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(vc-dir ignored-dir)
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(while (vc-dir-busy)
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(sit-for 0.1))
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;; FIXME better to explicitly test for error from process sentinel.
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(with-current-buffer "*vc-dir*"
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(goto-char (point-min))
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(should (search-forward "unregistered" nil t))))))
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;; Not specific to bzr.
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(ert-deftest vc-bzr-test-bug9781 ()
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"Test for https://debbugs.gnu.org/9781 ."
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(skip-unless (executable-find vc-bzr-program))
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(ert-with-temp-directory homedir
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(let* ((bzrdir (expand-file-name "bzr" homedir))
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(subdir (progn
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(make-directory bzrdir)
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(expand-file-name "subdir" bzrdir)))
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(file (expand-file-name "file" bzrdir))
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(default-directory (file-name-as-directory bzrdir))
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(process-environment (cons (format "HOME=%s" homedir)
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process-environment)))
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(skip-unless (eq 0 ; some internal bzr error
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(call-process vc-bzr-program nil nil nil "init")))
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(make-directory subdir)
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(with-temp-buffer
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(insert "text")
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(write-region nil nil file nil 'silent)
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(write-region nil nil (expand-file-name "subfile" subdir)
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nil 'silent))
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(call-process vc-bzr-program nil nil nil "add")
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(call-process vc-bzr-program nil nil nil "commit" "-m" "Commit 1")
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(call-process vc-bzr-program nil nil nil "remove" subdir)
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(with-temp-buffer
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(insert "different text")
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(write-region nil nil file nil 'silent))
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(vc-dir bzrdir)
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(while (vc-dir-busy)
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(sit-for 0.1))
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(vc-dir-mark-all-files t)
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(cl-letf (((symbol-function 'y-or-n-p) (lambda (_) t)))
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(vc-next-action nil))
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(should (get-buffer "*vc-log*")))))
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;; https://lists.gnu.org/r/help-gnu-emacs/2012-04/msg00145.html
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(ert-deftest vc-bzr-test-faulty-bzr-autoloads ()
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"Test we can generate autoloads in a bzr directory when bzr is faulty."
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(skip-unless (executable-find vc-bzr-program))
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(ert-with-temp-directory homedir
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(let* ((bzrdir (expand-file-name "bzr" homedir))
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(file (progn
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(make-directory bzrdir)
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(expand-file-name "foo.el" bzrdir)))
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(default-directory (file-name-as-directory bzrdir))
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(process-environment (cons (format "HOME=%s" homedir)
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process-environment)))
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(call-process vc-bzr-program nil nil nil "init")
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(with-temp-buffer
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(insert ";;;###autoload
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\(defun foo () \"foo\" (interactive) (message \"foo!\"))")
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(write-region nil nil file nil 'silent))
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(call-process vc-bzr-program nil nil nil "add")
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(call-process vc-bzr-program nil nil nil "commit" "-m" "Commit 1")
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;; Deleting dirstate ensures both that vc-bzr's status heuristic
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;; fails, so it has to call the external bzr status, and
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;; causes bzr status to fail. This simulates a broken bzr
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;; installation.
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(delete-file ".bzr/checkout/dirstate")
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(should (progn (loaddefs-generate
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default-directory
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(expand-file-name "loaddefs.el" bzrdir))
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t)))))
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;;; vc-bzr-tests.el ends here
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