(defvar file-notify--test-tmpfile nil)
(defvar file-notify--test-tmpfile1 nil)
(defvar file-notify--test-desc nil)
+(defvar file-notify--test-desc1 nil)
+(defvar file-notify--test-desc2 nil)
(defvar file-notify--test-results nil)
(defvar file-notify--test-event nil)
(defvar file-notify--test-events nil)
-(defconst file-notify--test-read-event-timeout 0.02
+(defconst file-notify--test-read-event-timeout 0.01
"Timeout for `read-event' calls.
It is different for local and remote file notification libraries.")
"Timeout to wait for arriving events, in seconds."
(cond
((file-remote-p temporary-file-directory) 6)
- ((string-equal (file-notify--test-library) "w32notify") 10)
+ ((string-equal (file-notify--test-library) "w32notify") 4)
((eq system-type 'cygwin) 10)
(t 3)))
(defun file-notify--test-cleanup ()
"Cleanup after a test."
(file-notify-rm-watch file-notify--test-desc)
+ (file-notify-rm-watch file-notify--test-desc1)
+ (file-notify-rm-watch file-notify--test-desc2)
(ignore-errors
(delete-file (file-newest-backup file-notify--test-tmpfile)))
(setq file-notify--test-tmpfile nil
file-notify--test-tmpfile1 nil
file-notify--test-desc nil
+ file-notify--test-desc1 nil
+ file-notify--test-desc2 nil
file-notify--test-results nil
file-notify--test-events nil)
(when file-notify--test-event
(setq desc
(file-notify-add-watch
file-notify-test-remote-temporary-file-directory
- '(change) 'ignore))))
+ '(change) #'ignore))))
(setq file-notify--test-remote-enabled-checked (cons t desc))
(when desc (file-notify-rm-watch desc))))
;; Return result.
(message "Library: `%s'" (file-notify--test-library))
(should
(setq file-notify--test-desc
- (file-notify-add-watch temporary-file-directory '(change) 'ignore)))
+ (file-notify-add-watch temporary-file-directory '(change) #'ignore)))
;; Cleanup.
(file-notify--test-cleanup))
;; Check, that different valid parameters are accepted.
(should
(setq file-notify--test-desc
- (file-notify-add-watch temporary-file-directory '(change) 'ignore)))
+ (file-notify-add-watch temporary-file-directory '(change) #'ignore)))
(file-notify-rm-watch file-notify--test-desc)
(should
(setq file-notify--test-desc
(file-notify-add-watch
- temporary-file-directory '(attribute-change) 'ignore)))
+ temporary-file-directory '(attribute-change) #'ignore)))
(file-notify-rm-watch file-notify--test-desc)
(should
(setq file-notify--test-desc
(file-notify-add-watch
- temporary-file-directory '(change attribute-change) 'ignore)))
+ temporary-file-directory '(change attribute-change) #'ignore)))
(file-notify-rm-watch file-notify--test-desc)
(write-region "any text" nil file-notify--test-tmpfile nil 'no-message)
(should
(setq file-notify--test-desc
(file-notify-add-watch
- file-notify--test-tmpfile '(change attribute-change) 'ignore)))
+ file-notify--test-tmpfile '(change attribute-change) #'ignore)))
(file-notify-rm-watch file-notify--test-desc)
(delete-file file-notify--test-tmpfile)
(should
(equal (should-error
(file-notify-add-watch
- file-notify--test-tmpfile1 '(change attribute-change) 'ignore))
+ file-notify--test-tmpfile1 '(change attribute-change) #'ignore))
`(file-notify-error
"Directory does not exist" ,file-notify--test-tmpfile)))
(should (equal (car file-notify--test-event) file-notify--test-desc))
;; Check the file name.
(should
- (or (string-equal (file-notify--event-file-name file-notify--test-event)
- file-notify--test-tmpfile)
- (string-equal (file-notify--event-file-name file-notify--test-event)
- file-notify--test-tmpfile1)
- (string-equal (file-notify--event-file-name file-notify--test-event)
- temporary-file-directory)))
+ (string-prefix-p
+ (file-notify--event-watched-file file-notify--test-event)
+ (file-notify--event-file-name file-notify--test-event)))
;; Check the second file name if exists.
(when (eq (nth 1 file-notify--test-event) 'renamed)
(should
- (or (string-equal (file-notify--event-file1-name file-notify--test-event)
- file-notify--test-tmpfile1)
- (string-equal (file-notify--event-file1-name file-notify--test-event)
- temporary-file-directory)))))
+ (string-prefix-p
+ (file-notify--event-watched-file file-notify--test-event)
+ (file-notify--event-file1-name file-notify--test-event)))))
(defun file-notify--test-event-handler (event)
"Run a test over FILE-NOTIFY--TEST-EVENT.
(unless (string-match
(regexp-quote ".#")
(file-notify--event-file-name file-notify--test-event))
- ;;(message "file-notify--test-event-handler %S" file-notify--test-event)
+ ;;(message "file-notify--test-event-handler result: %s event: %S"
+ ;;(null (ert-test-failed-p result)) file-notify--test-event)
(setq file-notify--test-events
(append file-notify--test-events `(,file-notify--test-event))
file-notify--test-results
events, which represent different possible results. Don't wait
longer than timeout seconds for the events to be delivered."
(declare (indent 1))
- (let ((outer (make-symbol "outer")))
- `(let* ((,outer file-notify--test-events)
- (events (if (consp (car ,events)) ,events (list ,events)))
- (max-length (apply 'max (mapcar 'length events)))
- create-lockfiles)
- ;; Flush pending events.
- (file-notify--wait-for-events
- (file-notify--test-timeout)
- (input-pending-p))
- (let (file-notify--test-events)
- ,@body
- (file-notify--wait-for-events
- ;; More events need more time. Use some fudge factor.
- (* (ceiling max-length 100) (file-notify--test-timeout))
- (= max-length (length file-notify--test-events)))
- ;; One of the possible results shall match.
- (should (file-notify--test-with-events-check events))
- (setq ,outer (append ,outer file-notify--test-events)))
- (setq file-notify--test-events ,outer))))
+ `(let* ((events (if (consp (car ,events)) ,events (list ,events)))
+ (max-length (apply 'max (mapcar 'length events)))
+ create-lockfiles)
+ ;; Flush pending events.
+ (file-notify--wait-for-events
+ (file-notify--test-timeout)
+ (input-pending-p))
+ (setq file-notify--test-events nil
+ file-notify--test-results nil)
+ ,@body
+ (file-notify--wait-for-events
+ ;; More events need more time. Use some fudge factor.
+ (* (ceiling max-length 100) (file-notify--test-timeout))
+ (= max-length (length file-notify--test-events)))
+ ;; Check the result sequence just to make sure that all events
+ ;; are as expected.
+ (dolist (result file-notify--test-results)
+ (when (ert-test-failed-p result)
+ (ert-fail
+ (cadr (ert-test-result-with-condition-condition result)))))
+ ;; One of the possible event sequences shall match.
+ (should (file-notify--test-with-events-check events))))
(ert-deftest file-notify-test02-events ()
"Check file creation/change/removal notifications."
(setq file-notify--test-desc
(file-notify-add-watch
file-notify--test-tmpfile
- '(change) 'file-notify--test-event-handler)))
+ '(change) #'file-notify--test-event-handler)))
(file-notify--test-with-events
(cond
;; cygwin recognizes only `deleted' and `stopped' events.
"another text" nil file-notify--test-tmpfile nil 'no-message)
(read-event nil nil file-notify--test-read-event-timeout)
(delete-file file-notify--test-tmpfile))
- ;; `file-notify-rm-watch' fires the `stopped' event. Suppress it.
- (let (file-notify--test-events)
- (file-notify-rm-watch file-notify--test-desc)))
+ (file-notify-rm-watch file-notify--test-desc))
;; Check file change and deletion.
(setq file-notify--test-tmpfile (file-notify--test-make-temp-name))
(setq file-notify--test-desc
(file-notify-add-watch
file-notify--test-tmpfile
- '(change) 'file-notify--test-event-handler)))
+ '(change) #'file-notify--test-event-handler)))
(file-notify--test-with-events
(cond
;; cygwin recognizes only `deleted' and `stopped' events.
'((changed deleted stopped)
(changed changed deleted stopped)))
(t '(changed changed deleted stopped)))
- (read-event nil nil file-notify--test-read-event-timeout)
(write-region
"another text" nil file-notify--test-tmpfile nil 'no-message)
(read-event nil nil file-notify--test-read-event-timeout)
(delete-file file-notify--test-tmpfile))
- ;; `file-notify-rm-watch' fires the `stopped' event. Suppress it.
- (let (file-notify--test-events)
- (file-notify-rm-watch file-notify--test-desc))
+ (file-notify-rm-watch file-notify--test-desc)
;; Check file creation, change and deletion when watching a
;; directory. There must be a `stopped' event when deleting
file-notify--test-desc
(file-notify-add-watch
temporary-file-directory
- '(change) 'file-notify--test-event-handler)))
+ '(change) #'file-notify--test-event-handler)))
(file-notify--test-with-events
(cond
- ;; w32notify does raise a `stopped' event when a
- ;; watched directory is deleted.
+ ;; w32notify does not raise `deleted' and `stopped'
+ ;; events for the watched directory.
((string-equal (file-notify--test-library) "w32notify")
'(created changed deleted))
;; cygwin recognizes only `deleted' and `stopped' events.
((string-equal (file-notify--test-library) "kqueue")
'(created changed deleted stopped))
(t '(created changed deleted deleted stopped)))
- (read-event nil nil file-notify--test-read-event-timeout)
(write-region
"any text" nil file-notify--test-tmpfile nil 'no-message)
(read-event nil nil file-notify--test-read-event-timeout)
- (delete-directory temporary-file-directory 'recursive))
- ;; `file-notify-rm-watch' fires the `stopped' event. Suppress it.
- (let (file-notify--test-events)
- (file-notify-rm-watch file-notify--test-desc)))
+ (delete-directory temporary-file-directory 'recursive))
+ (file-notify-rm-watch file-notify--test-desc))
;; Check copy of files inside a directory.
(let ((temporary-file-directory
file-notify--test-desc
(file-notify-add-watch
temporary-file-directory
- '(change) 'file-notify--test-event-handler)))
+ '(change) #'file-notify--test-event-handler)))
(file-notify--test-with-events
(cond
;; w32notify does not distinguish between `changed' and
- ;; `attribute-changed'.
+ ;; `attribute-changed'. It does not raise `deleted'
+ ;; and `stopped' events for the watched directory.
((string-equal (file-notify--test-library) "w32notify")
- '(created changed created changed changed changed changed
+ '(created changed created changed
+ changed changed changed
deleted deleted))
;; cygwin recognizes only `deleted' and `stopped' events.
((eq system-type 'cygwin)
'(created changed created changed deleted stopped))
(t '(created changed created changed
deleted deleted deleted stopped)))
- (read-event nil nil file-notify--test-read-event-timeout)
(write-region
"any text" nil file-notify--test-tmpfile nil 'no-message)
(read-event nil nil file-notify--test-read-event-timeout)
(read-event nil nil file-notify--test-read-event-timeout)
(set-file-times file-notify--test-tmpfile '(0 0))
(read-event nil nil file-notify--test-read-event-timeout)
- (delete-directory temporary-file-directory 'recursive))
- ;; `file-notify-rm-watch' fires the `stopped' event. Suppress it.
- (let (file-notify--test-events)
- (file-notify-rm-watch file-notify--test-desc)))
+ (delete-directory temporary-file-directory 'recursive))
+ (file-notify-rm-watch file-notify--test-desc))
;; Check rename of files inside a directory.
(let ((temporary-file-directory
file-notify--test-desc
(file-notify-add-watch
temporary-file-directory
- '(change) 'file-notify--test-event-handler)))
+ '(change) #'file-notify--test-event-handler)))
(file-notify--test-with-events
(cond
- ;; w32notify does not distinguish between `changed' and
- ;; `attribute-changed'.
+ ;; w32notify does not raise `deleted' and `stopped'
+ ;; events for the watched directory.
((string-equal (file-notify--test-library) "w32notify")
'(created changed renamed deleted))
;; cygwin recognizes only `deleted' and `stopped' events.
((string-equal (file-notify--test-library) "kqueue")
'(created changed renamed deleted stopped))
(t '(created changed renamed deleted deleted stopped)))
- (read-event nil nil file-notify--test-read-event-timeout)
(write-region
"any text" nil file-notify--test-tmpfile nil 'no-message)
(read-event nil nil file-notify--test-read-event-timeout)
(rename-file file-notify--test-tmpfile file-notify--test-tmpfile1)
;; After the rename, we won't get events anymore.
(read-event nil nil file-notify--test-read-event-timeout)
- (delete-directory temporary-file-directory 'recursive))
- ;; `file-notify-rm-watch' fires the `stopped' event. Suppress it.
- (let (file-notify--test-events)
- (file-notify-rm-watch file-notify--test-desc)))
+ (delete-directory temporary-file-directory 'recursive))
+ (file-notify-rm-watch file-notify--test-desc))
;; Check attribute change. Does not work for cygwin.
(unless (eq system-type 'cygwin)
(setq file-notify--test-desc
(file-notify-add-watch
file-notify--test-tmpfile
- '(attribute-change) 'file-notify--test-event-handler)))
+ '(attribute-change) #'file-notify--test-event-handler)))
(file-notify--test-with-events
(cond
;; w32notify does not distinguish between `changed' and
- ;; `attribute-changed'.
+ ;; `attribute-changed'. Under MS Windows 7, we get
+ ;; four `changed' events, and under MS Windows 10 just
+ ;; two. Strange.
((string-equal (file-notify--test-library) "w32notify")
- '(changed changed changed changed))
+ '((changed changed)
+ (changed changed changed changed)))
;; For kqueue and in the remote case, `write-region'
;; raises also an `attribute-changed' event.
((or (string-equal (file-notify--test-library) "kqueue")
(file-remote-p temporary-file-directory))
'(attribute-changed attribute-changed attribute-changed))
(t '(attribute-changed attribute-changed)))
- (read-event nil nil file-notify--test-read-event-timeout)
(write-region
"any text" nil file-notify--test-tmpfile nil 'no-message)
(read-event nil nil file-notify--test-read-event-timeout)
(set-file-times file-notify--test-tmpfile '(0 0))
(read-event nil nil file-notify--test-read-event-timeout)
(delete-file file-notify--test-tmpfile))
- ;; `file-notify-rm-watch' fires the `stopped' event. Suppress it.
- (let (file-notify--test-events)
- (file-notify-rm-watch file-notify--test-desc)))
-
- ;; Check the global sequence again just to make sure that
- ;; `file-notify--test-events' has been set correctly.
- (should file-notify--test-results)
- (dolist (result file-notify--test-results)
- (when (ert-test-failed-p result)
- (ert-fail
- (cadr (ert-test-result-with-condition-condition result))))))
+ (file-notify-rm-watch file-notify--test-desc)))
;; Cleanup.
(file-notify--test-cleanup)))
(should (string-match "another text" (buffer-string)))
;; Stop file notification. Autorevert shall still work via polling.
- ;; It doesn't work for w32notify.
- (unless (string-equal (file-notify--test-library) "w32notify")
- (file-notify-rm-watch auto-revert-notify-watch-descriptor)
+ (file-notify-rm-watch auto-revert-notify-watch-descriptor)
+ (file-notify--wait-for-events
+ timeout (null auto-revert-use-notify))
+ (should-not auto-revert-use-notify)
+ (should-not auto-revert-notify-watch-descriptor)
+
+ ;; Modify file. We wait for two seconds, in order to
+ ;; have another timestamp. One second seems to be too
+ ;; short.
+ (with-current-buffer (get-buffer-create "*Messages*")
+ (narrow-to-region (point-max) (point-max)))
+ (sleep-for 2)
+ (write-region
+ "foo bla" nil file-notify--test-tmpfile nil 'no-message)
+
+ ;; Check, that the buffer has been reverted.
+ (with-current-buffer (get-buffer-create "*Messages*")
(file-notify--wait-for-events
- timeout (null auto-revert-use-notify))
- (should-not auto-revert-use-notify)
- (should-not auto-revert-notify-watch-descriptor)
-
- ;; Modify file. We wait for two seconds, in order to
- ;; have another timestamp. One second seems to be too
- ;; short.
- (with-current-buffer (get-buffer-create "*Messages*")
- (narrow-to-region (point-max) (point-max)))
- (sleep-for 2)
- (write-region
- "foo bla" nil file-notify--test-tmpfile nil 'no-message)
-
- ;; Check, that the buffer has been reverted.
- (with-current-buffer (get-buffer-create "*Messages*")
- (file-notify--wait-for-events
- timeout
- (string-match
- (format-message "Reverting buffer `%s'." (buffer-name buf))
- (buffer-string))))
- (should (string-match "foo bla" (buffer-string))))))
+ timeout
+ (string-match
+ (format-message "Reverting buffer `%s'." (buffer-name buf))
+ (buffer-string))))
+ (should (string-match "foo bla" (buffer-string)))))
;; Cleanup.
(with-current-buffer "*Messages*" (widen))
(file-notify-add-watch
file-notify--test-tmpfile
'(change) #'file-notify--test-event-handler)))
+ (should (file-notify-valid-p file-notify--test-desc))
(file-notify--test-with-events
(cond
;; cygwin recognizes only `deleted' and `stopped' events.
'((changed deleted stopped)
(changed changed deleted stopped)))
(t '(changed changed deleted stopped)))
- (should (file-notify-valid-p file-notify--test-desc))
- (read-event nil nil file-notify--test-read-event-timeout)
(write-region
"another text" nil file-notify--test-tmpfile nil 'no-message)
(read-event nil nil file-notify--test-read-event-timeout)
(file-notify--test-cleanup))
(unwind-protect
- ;; w32notify does not send a `stopped' event when deleting a
- ;; directory. The test does not work, therefore.
- (unless (string-equal (file-notify--test-library) "w32notify")
- (let ((temporary-file-directory
- (make-temp-file "file-notify-test-parent" t)))
- (should
- (setq file-notify--test-tmpfile (file-notify--test-make-temp-name)
- file-notify--test-desc
- (file-notify-add-watch
- temporary-file-directory
- '(change) #'file-notify--test-event-handler)))
- (file-notify--test-with-events
- (cond
- ;; cygwin recognizes only `deleted' and `stopped' events.
- ((eq system-type 'cygwin)
- '(deleted stopped))
- ;; There are two `deleted' events, for the file and for
- ;; the directory. Except for kqueue.
- ((string-equal (file-notify--test-library) "kqueue")
- '(created changed deleted stopped))
- (t '(created changed deleted deleted stopped)))
- (should (file-notify-valid-p file-notify--test-desc))
- (read-event nil nil file-notify--test-read-event-timeout)
- (write-region
- "any text" nil file-notify--test-tmpfile nil 'no-message)
- (read-event nil nil file-notify--test-read-event-timeout)
- (delete-directory temporary-file-directory t))
- ;; After deleting the parent directory, the descriptor must
- ;; not be valid anymore.
- (should-not (file-notify-valid-p file-notify--test-desc))))
+ (let ((temporary-file-directory
+ (make-temp-file "file-notify-test-parent" t)))
+ (should
+ (setq file-notify--test-tmpfile (file-notify--test-make-temp-name)
+ file-notify--test-desc
+ (file-notify-add-watch
+ temporary-file-directory
+ '(change) #'file-notify--test-event-handler)))
+ (should (file-notify-valid-p file-notify--test-desc))
+ (file-notify--test-with-events
+ (cond
+ ;; w32notify does not raise `deleted' and `stopped' events
+ ;; for the watched directory.
+ ((string-equal (file-notify--test-library) "w32notify")
+ '(created changed deleted))
+ ;; cygwin recognizes only `deleted' and `stopped' events.
+ ((eq system-type 'cygwin)
+ '(deleted stopped))
+ ;; There are two `deleted' events, for the file and for the
+ ;; directory. Except for kqueue.
+ ((string-equal (file-notify--test-library) "kqueue")
+ '(created changed deleted stopped))
+ (t '(created changed deleted deleted stopped)))
+ (write-region
+ "any text" nil file-notify--test-tmpfile nil 'no-message)
+ (read-event nil nil file-notify--test-read-event-timeout)
+ (delete-directory temporary-file-directory t))
+ ;; After deleting the parent directory, the descriptor must
+ ;; not be valid anymore.
+ (should-not (file-notify-valid-p file-notify--test-desc)))
;; Cleanup.
(file-notify--test-cleanup)))
(unwind-protect
(progn
- (setq file-notify--test-tmpfile
- (file-name-as-directory (file-notify--test-make-temp-name)))
- (make-directory file-notify--test-tmpfile)
+ (should
+ (setq file-notify--test-tmpfile
+ (make-temp-file "file-notify-test-parent" t)))
(should
(setq file-notify--test-desc
(file-notify-add-watch
(file-notify--test-cleanup))
(unwind-protect
- ;; The batch-mode operation of w32notify is fragile (there's no
- ;; input threads to send the message to).
- (unless (and noninteractive
- (string-equal (file-notify--test-library) "w32notify"))
- (setq file-notify--test-tmpfile
- (file-name-as-directory (file-notify--test-make-temp-name)))
- (make-directory file-notify--test-tmpfile)
+ (progn
+ (should
+ (setq file-notify--test-tmpfile
+ (make-temp-file "file-notify-test-parent" t)))
(should
(setq file-notify--test-desc
(file-notify-add-watch
;; Under cygwin events arrive in random order. Impossible to define a test.
(skip-unless (not (eq system-type 'cygwin)))
- (setq file-notify--test-tmpfile (file-notify--test-make-temp-name))
- (make-directory file-notify--test-tmpfile)
+ (should
+ (setq file-notify--test-tmpfile
+ (make-temp-file "file-notify-test-parent" t)))
(should
(setq file-notify--test-desc
(file-notify-add-watch
file-notify--test-tmpfile
- '(change) 'file-notify--test-event-handler)))
+ '(change) #'file-notify--test-event-handler)))
(unwind-protect
(let ((n 1000)
source-file-list target-file-list
(dotimes (i n)
;; It matters which direction we rename, at least for
;; kqueue. This backend parses directories in alphabetic
- ;; order (x%d before y%d). So we rename both directions.
+ ;; order (x%d before y%d). So we rename into both directions.
(if (zerop (mod i 2))
(progn
(push (expand-file-name (format "x%d" i)) source-file-list)
((or (string-equal (file-notify--test-library) "w32notify")
(file-remote-p temporary-file-directory))
'(changed changed))
+ ;; gfilenotify raises one or two `changed' events
+ ;; randomly, no chance to test. So we accept both cases.
+ ((string-equal "gfilenotify" (file-notify--test-library))
+ '((changed)
+ (changed changed)))
(t '(changed)))
;; There shouldn't be any problem, because the file is kept.
(with-temp-buffer
(file-notify--deftest-remote file-notify-test07-backup
"Check that backup keeps file notification for remote files.")
+(ert-deftest file-notify-test08-watched-file-in-watched-dir ()
+ "Watches a directory and a file in that directory separately.
+Checks that the callbacks are only called with events with
+descriptors that were issued when registering the watches. This
+test caters for the situation in bug#22736 where the callback for
+the directory received events for the file with the descriptor of
+the file watch."
+ :tags '(:expensive-test)
+ (skip-unless (file-notify--test-local-enabled))
+
+ ;; A directory to be watched.
+ (should
+ (setq file-notify--test-tmpfile
+ (make-temp-file "file-notify-test-parent" t)))
+ ;; A file to be watched.
+ (should
+ (setq file-notify--test-tmpfile1
+ (let ((temporary-file-directory file-notify--test-tmpfile))
+ (file-notify--test-make-temp-name))))
+ (write-region "any text" nil file-notify--test-tmpfile1 nil 'no-message)
+ (unwind-protect
+ (cl-flet (;; Directory monitor.
+ (dir-callback (event)
+ (let ((file-notify--test-desc file-notify--test-desc1))
+ (file-notify--test-event-handler event)))
+ ;; File monitor.
+ (file-callback (event)
+ (let ((file-notify--test-desc file-notify--test-desc2))
+ (file-notify--test-event-handler event))))
+ (should
+ (setq file-notify--test-desc1
+ (file-notify-add-watch
+ file-notify--test-tmpfile
+ '(change) #'dir-callback)))
+ (should
+ (setq file-notify--test-desc2
+ (file-notify-add-watch
+ file-notify--test-tmpfile1
+ '(change) #'file-callback)))
+ (should (file-notify-valid-p file-notify--test-desc1))
+ (should (file-notify-valid-p file-notify--test-desc2))
+ (should-not (equal file-notify--test-desc1 file-notify--test-desc2))
+ ;; gfilenotify raises one or two `changed' events randomly in
+ ;; the file monitor, no chance to test.
+ (unless (string-equal "gfilenotify" (file-notify--test-library))
+ (let ((n 100) events)
+ ;; Compute the expected events.
+ (dotimes (_i (/ n 2))
+ (setq events
+ (append
+ (append
+ ;; Directory monitor and file monitor.
+ (cond
+ ;; In the remote case, there are two `changed'
+ ;; events.
+ ((file-remote-p temporary-file-directory)
+ '(changed changed changed changed))
+ ;; The directory monitor in kqueue does not
+ ;; raise any `changed' event. Just the file
+ ;; monitor event is received.
+ ((string-equal (file-notify--test-library) "kqueue")
+ '(changed))
+ ;; Otherwise, both monitors report the
+ ;; `changed' event.
+ (t '(changed changed)))
+ ;; Just the directory monitor.
+ (cond
+ ;; In kqueue, there is an additional `changed'
+ ;; event. Why?
+ ((string-equal (file-notify--test-library) "kqueue")
+ '(changed created changed))
+ (t '(created changed))))
+ events)))
+
+ ;; Run the test.
+ (file-notify--test-with-events events
+ (dotimes (i n)
+ (read-event nil nil file-notify--test-read-event-timeout)
+ (if (zerop (mod i 2))
+ (write-region
+ "any text" nil file-notify--test-tmpfile1 t 'no-message)
+ (let ((temporary-file-directory file-notify--test-tmpfile))
+ (write-region
+ "any text" nil
+ (file-notify--test-make-temp-name) nil 'no-message)))))))
+
+ ;; If we delete the file, the directory monitor shall still be
+ ;; active. We receive the `deleted' event from both the
+ ;; directory and the file monitor. The `stopped' event is
+ ;; from the file monitor. It's undecided in which order the
+ ;; the directory and the file monitor are triggered.
+ (file-notify--test-with-events
+ '((deleted deleted stopped)
+ (deleted stopped deleted))
+ (delete-file file-notify--test-tmpfile1))
+ (should (file-notify-valid-p file-notify--test-desc1))
+ (should-not (file-notify-valid-p file-notify--test-desc2))
+
+ ;; Now we delete the directory.
+ (file-notify--test-with-events
+ (cond
+ ;; In kqueue, just one `deleted' event for the directory
+ ;; is received.
+ ((string-equal (file-notify--test-library) "kqueue")
+ '(deleted stopped))
+ (t (append
+ ;; The directory monitor raises a `deleted' event for
+ ;; every file contained in the directory, we must
+ ;; count them.
+ (make-list
+ (length
+ (directory-files
+ file-notify--test-tmpfile nil
+ directory-files-no-dot-files-regexp 'nosort))
+ 'deleted)
+ ;; The events of the directory itself.
+ (cond
+ ;; w32notify does not raise `deleted' and `stopped'
+ ;; events for the watched directory.
+ ((string-equal (file-notify--test-library) "w32notify") '())
+ (t '(deleted stopped))))))
+ (delete-directory file-notify--test-tmpfile 'recursive))
+ (should-not (file-notify-valid-p file-notify--test-desc1))
+ (should-not (file-notify-valid-p file-notify--test-desc2)))
+
+ ;; Cleanup.
+ (file-notify--test-cleanup)))
+
+(file-notify--deftest-remote file-notify-test08-watched-file-in-watched-dir
+ "Check `file-notify-test08-watched-file-in-watched-dir' for remote files.")
+
+(ert-deftest file-notify-test09-sufficient-resources ()
+ "Check that file notification does not use too many resources."
+ :tags '(:expensive-test)
+ (skip-unless (file-notify--test-local-enabled))
+ ;; This test is intended for kqueue only.
+ (skip-unless (string-equal (file-notify--test-library) "kqueue"))
+
+ (should
+ (setq file-notify--test-tmpfile
+ (make-temp-file "file-notify-test-parent" t)))
+ (unwind-protect
+ (let ((temporary-file-directory file-notify--test-tmpfile)
+ descs)
+ (should-error
+ (while t
+ ;; We watch directories, because we want to reach the upper
+ ;; limit. Watching a file might not be sufficient, because
+ ;; most of the libraries implement this as watching the
+ ;; upper directory.
+ (setq file-notify--test-tmpfile1
+ (make-temp-file "file-notify-test-parent" t)
+ descs
+ (cons
+ (should
+ (file-notify-add-watch
+ file-notify--test-tmpfile1 '(change) #'ignore))
+ descs)))
+ :type 'file-notify-error)
+ ;; Remove watches. If we don't do it prior removing
+ ;; directories, Emacs crashes in batch mode.
+ (dolist (desc descs)
+ (file-notify-rm-watch desc))
+ ;; Remove directories.
+ (delete-directory file-notify--test-tmpfile 'recursive))
+
+ ;; Cleanup.
+ (file-notify--test-cleanup)))
+
+(file-notify--deftest-remote file-notify-test09-sufficient-resources
+ "Check `file-notify-test09-sufficient-resources' for remote files.")
+
(defun file-notify-test-all (&optional interactive)
"Run all tests for \\[file-notify]."
(interactive "p")
;; TODO:
-;; * For w32notify, no stopped events arrive when a directory is removed.
+;; * kqueue does not send all expected `deleted' events. Maybe due to
+;; the missing directory monitor.
+;; * For w32notify, no `deleted' and `stopped' events arrive when a
+;; directory is removed.
+;; * For w32notify, no `attribute-changed' events arrive. Its sends
+;; `changed' events instead.
;; * Check, why cygwin recognizes only `deleted' and `stopped' events.
(provide 'file-notify-tests)