Make all Tramp tests pass for "gdrive" method

* lisp/net/tramp-gvfs.el (tramp-gvfs-handle-delete-directory)
* lisp/net/tramp-compat.el (tramp-compat-copy-directory)
(tramp-compat-delete-directory):
* lisp/net/tramp-smb.el (tramp-smb-handle-delete-directory):
Use `directory-files-no-dot-files-regexp'.

* lisp/net/tramp-gvfs.el (tramp-gvfs-handler-mounted-unmounted)
(tramp-gvfs-send-command): Call `tramp-flush-file-property' in
case of problems.

* test/lisp/net/tramp-tests.el (tramp--instrument-test-case):
Adapt docstring.
(tramp-test14-delete-directory): Make further tests.

3 files changed, 31 insertions, 27 deletions

diff --git a/lisp/net/tramp-compat.el b/lisp/net/tramp-compat.el
index 0e9fcb501a7..c84fb5ac428 100644
--- a/lisp/net/tramp-compat.el
+++ b/lisp/net/tramp-compat.el
@@ -174,8 +174,7 @@ Add the extension of F, if existing."
                 (tramp-compat-copy-directory file newname keep-time parents)
               (copy-file file newname t keep-time)))
           ;; We do not want to delete "." and "..".
-          (directory-files
-           directory 'full "^\\([^.]\\|\\.\\([^.]\\|\\..\\)\\).*"))
+          (directory-files directory 'full directory-files-no-dot-files-regexp))
 
          ;; Set directory attributes.
          (set-file-modes newname (file-modes directory))
@@ -209,13 +208,13 @@ Add the extension of F, if existing."
     ;; implementation from Emacs 23.2.
     (wrong-number-of-arguments
      (setq directory (directory-file-name (expand-file-name directory)))
-     (if (not (file-symlink-p directory))
-         (mapc (lambda (file)
-                 (if (eq t (car (file-attributes file)))
-                     (tramp-compat-delete-directory file recursive trash)
-                   (tramp-compat-delete-file file trash)))
-               (directory-files
-                directory 'full "^\\([^.]\\|\\.\\([^.]\\|\\..\\)\\).*")))
+     (when (not (file-symlink-p directory))
+       (mapc (lambda (file)
+               (if (eq t (car (file-attributes file)))
+                   (tramp-compat-delete-directory file recursive trash)
+                 (tramp-compat-delete-file file trash)))
+             (directory-files
+              directory 'full directory-files-no-dot-files-regexp)))
      (delete-directory directory))))
 
 (defun tramp-compat-process-running-p (process-name)
diff --git a/lisp/net/tramp-gvfs.el b/lisp/net/tramp-gvfs.el
index 8e7ef0f4079..a22bd89fe90 100644
--- a/lisp/net/tramp-gvfs.el
+++ b/lisp/net/tramp-gvfs.el
@@ -746,14 +746,18 @@ file names."
 
 (defun tramp-gvfs-handle-delete-directory (directory &optional recursive trash)
   "Like `delete-directory' for Tramp files."
-  (when (and recursive (not (file-symlink-p directory)))
-    (mapc (lambda (file)
-            (if (eq t (car (file-attributes file)))
-                (tramp-compat-delete-directory file recursive trash)
-              (tramp-compat-delete-file file trash)))
-          (directory-files
-           directory 'full "^\\([^.]\\|\\.\\([^.]\\|\\..\\)\\).*")))
   (with-parsed-tramp-file-name directory nil
+    (if (and recursive (not (file-symlink-p directory)))
+        (mapc (lambda (file)
+                (if (eq t (car (file-attributes file)))
+                    (tramp-compat-delete-directory file recursive trash)
+                  (tramp-compat-delete-file file trash)))
+              (directory-files
+               directory 'full directory-files-no-dot-files-regexp))
+      (when (directory-files directory nil directory-files-no-dot-files-regexp)
+        (tramp-error
+         v 'file-error "Couldn't delete non-empty %s" directory)))
+
     (tramp-flush-file-property v (file-name-directory localname))
     (tramp-flush-directory-property v localname)
     (unless
@@ -1409,7 +1413,7 @@ ADDRESS can have the form \"xx:xx:xx:xx:xx:xx\" or \"[xx:xx:xx:xx:xx:xx]\"."
            signal-name (tramp-gvfs-stringify-dbus-message mount-info))
           (tramp-set-file-property v "/" "list-mounts" 'undef)
           (if (string-equal (downcase signal-name) "unmounted")
-              (tramp-set-file-property v "/" "fuse-mountpoint" nil)
+              (tramp-flush-file-property v "/")
             ;; Set prefix, mountpoint and location.
             (unless (string-equal prefix "/")
               (tramp-set-file-property v "/" "prefix" prefix))
@@ -1701,7 +1705,9 @@ COMMAND is usually a command from the gvfs-* utilities.
     (with-current-buffer (tramp-get-connection-buffer vec)
       (tramp-gvfs-maybe-open-connection vec)
       (erase-buffer)
-      (zerop (apply 'tramp-call-process vec command nil t nil args)))))
+      (or (zerop (apply 'tramp-call-process vec command nil t nil args))
+          ;; Remove information about mounted connection.
+          (and (tramp-flush-file-property vec "/") nil)))))
 
 
 ;; D-Bus BLUEZ functions.
diff --git a/lisp/net/tramp-smb.el b/lisp/net/tramp-smb.el
index a526fd93ab4..1c43ce2f097 100644
--- a/lisp/net/tramp-smb.el
+++ b/lisp/net/tramp-smb.el
@@ -597,15 +597,14 @@ PRESERVE-UID-GID and PRESERVE-EXTENDED-ATTRIBUTES are completely ignored."
   "Like `delete-directory' for Tramp files."
   (setq directory (directory-file-name (expand-file-name directory)))
   (when (file-exists-p directory)
-    (if recursive
-        (mapc
-         (lambda (file)
-           (if (file-directory-p file)
-               (delete-directory file recursive)
-             (delete-file file)))
-         ;; We do not want to delete "." and "..".
-         (directory-files
-          directory 'full "^\\([^.]\\|\\.\\([^.]\\|\\..\\)\\).*")))
+    (when recursive
+      (mapc
+       (lambda (file)
+         (if (file-directory-p file)
+             (delete-directory file recursive)
+           (delete-file file)))
+       ;; We do not want to delete "." and "..".
+       (directory-files directory 'full directory-files-no-dot-files-regexp)))
 
     (with-parsed-tramp-file-name directory nil
       ;; We must also flush the cache of the directory, because