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;;; test-integration-duet-transfer.el --- Real-rsync transfer integration -*- lexical-binding: t; -*-
;; Copyright (C) 2026 Craig Jennings
;; Author: Craig Jennings <c@cjennings.net>
;; This program 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.
;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Integration tests that exercise the whole transfer engine against a real
;; local rsync on temporary directories: file and directory copies, the
;; delete-after-success move, and the failed-move-preserves-source guarantee.
;;
;; Components integrated:
;; - duet--run-transfer / duet--launch-process (real make-process)
;; - rsync (REAL, local, version-independent flags)
;; - duet--transfer-sentinel / duet--process-result / duet--transfer-handle-result
;; - duet--finalize-move (real delete on success)
;;
;; Tagged :slow, so `make test' skips them and `make test-all' runs them.
;;; Code:
(require 'test-bootstrap (expand-file-name "test-bootstrap.el"))
(defmacro duet-itest--with-clean-engine (&rest body)
"Run BODY with a fresh engine and the real launcher, cancelling timers after."
(declare (indent 0))
`(let ((duet--transfer-id-counter 0)
(duet--transfers nil)
(duet--transfer-queue nil)
(duet--log-render-timer nil)
(duet--refresh-pending nil)
(duet--refresh-timer nil)
(duet-transfer-stall-timeout nil)
(duet-max-concurrent-transfers 1))
(unwind-protect (progn ,@body)
(when (timerp duet--log-render-timer) (cancel-timer duet--log-render-timer))
(when (timerp duet--refresh-timer) (cancel-timer duet--refresh-timer)))))
(defun duet-itest--wait (tr &optional timeout)
"Block until transfer TR reaches a terminal status or TIMEOUT seconds pass."
(let ((deadline (+ (float-time) (or timeout 15))))
(while (and (not (memq (duet-transfer-status tr) duet--terminal-statuses))
(< (float-time) deadline))
(accept-process-output (duet-transfer-process tr) 0.05))
(duet-transfer-status tr)))
(defun duet-itest--tmpdir ()
"Create and return a fresh temporary directory."
(file-name-as-directory (make-temp-file "duet-itest-" t)))
(defun duet-itest--write (path contents)
"Write CONTENTS into PATH, creating parent directories."
(make-directory (file-name-directory path) t)
(with-temp-file path (insert contents)))
(ert-deftest test-integration-duet-rsync-copies-file ()
:tags '(:slow)
(duet-itest--with-clean-engine
(let* ((src (duet-itest--tmpdir))
(dst (duet-itest--tmpdir))
(file (expand-file-name "hello.txt" src)))
(unwind-protect
(progn
(duet-itest--write file "payload\n")
(let ((tr (duet--run-transfer
(duet--transfer-spec (list file) dst))))
(should (eq 'done (duet-itest--wait tr)))
(should (= 0 (duet-transfer-exit tr)))
(should (file-exists-p (expand-file-name "hello.txt" dst)))
(should (duet-transfer-cleanup-verified tr))))
(delete-directory src t)
(delete-directory dst t)))))
(ert-deftest test-integration-duet-rsync-copies-directory ()
:tags '(:slow)
(duet-itest--with-clean-engine
(let* ((root (duet-itest--tmpdir))
(dst (duet-itest--tmpdir))
(tree (expand-file-name "tree" root)))
(unwind-protect
(progn
(duet-itest--write (expand-file-name "a/one.txt" tree) "1")
(duet-itest--write (expand-file-name "b/two.txt" tree) "2")
(let ((tr (duet--run-transfer
(duet--transfer-spec (list tree) dst))))
(should (eq 'done (duet-itest--wait tr)))
(should (file-exists-p (expand-file-name "tree/a/one.txt" dst)))
(should (file-exists-p (expand-file-name "tree/b/two.txt" dst)))))
(delete-directory root t)
(delete-directory dst t)))))
(ert-deftest test-integration-duet-move-deletes-source-on-success ()
:tags '(:slow)
(duet-itest--with-clean-engine
(let* ((src (duet-itest--tmpdir))
(dst (duet-itest--tmpdir))
(file (expand-file-name "movable.txt" src)))
(unwind-protect
(progn
(duet-itest--write file "move me\n")
(let ((tr (duet--run-transfer
(duet--transfer-spec (list file) dst) t)))
(should (eq 'done (duet-itest--wait tr)))
(should (file-exists-p (expand-file-name "movable.txt" dst)))
(should-not (file-exists-p file))))
(delete-directory src t)
(delete-directory dst t)))))
(ert-deftest test-integration-duet-failed-move-preserves-source ()
:tags '(:slow)
(when (zerop (user-uid))
(ert-skip "root bypasses directory permissions"))
(duet-itest--with-clean-engine
(let* ((src (duet-itest--tmpdir))
(dst (duet-itest--tmpdir))
(file (expand-file-name "keep.txt" src)))
(unwind-protect
(progn
(duet-itest--write file "must survive\n")
;; Read+execute only: rsync cannot create files in the destination.
(set-file-modes dst #o500)
(let ((tr (duet--run-transfer
(duet--transfer-spec (list file) dst) t)))
(should (eq 'failed (duet-itest--wait tr)))
(should (/= 0 (duet-transfer-exit tr)))
;; The copy failed, so the move never deleted the source.
(should (file-exists-p file))))
(set-file-modes dst #o700)
(delete-directory src t)
(delete-directory dst t)))))
(ert-deftest test-integration-duet-kill-process-terminates-live ()
:tags '(:slow)
(duet-itest--with-clean-engine
(let* ((proc (make-process :name "duet-kill-test"
:command '("sleep" "30") :noquery t))
(tr (duet-transfer-create :id 1 :process proc)))
(should (process-live-p proc))
(duet--kill-process tr)
(should-not (process-live-p proc)))))
(ert-deftest test-integration-duet-process-result-classifies-signal ()
:tags '(:slow)
(let ((proc (make-process :name "duet-signal-test"
:command '("sleep" "30") :noquery t)))
(interrupt-process proc)
(let ((deadline (+ (float-time) 5)))
(while (and (process-live-p proc) (< (float-time) deadline))
(accept-process-output proc 0.05)))
(should (eq 'signal (process-status proc)))
(should (eq :signal (car (duet--process-result proc))))))
(provide 'test-integration-duet-transfer)
;;; test-integration-duet-transfer.el ends here
|
