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.

4 files changed, 35 insertions, 29 deletions

diff --git a/lisp/net/tramp-compat.el b/lisp/net/tramp-compat.el
index 0e9fcb501a..c84fb5ac42 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 8e7ef0f407..a22bd89fe9 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 a526fd93ab..1c43ce2f09 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
diff --git a/test/lisp/net/tramp-tests.el b/test/lisp/net/tramp-tests.el
index fe927bb25f..f1f722b272 100644
--- a/test/lisp/net/tramp-tests.el
+++ b/test/lisp/net/tramp-tests.el
@@ -115,8 +115,8 @@ being the result.")
 (defmacro tramp--instrument-test-case (verbose &rest body)
   "Run BODY with `tramp-verbose' equal VERBOSE.
 Print the the content of the Tramp debug buffer, if BODY does not
-eval properly in `should', `should-not' or `should-error'.  BODY
-shall not contain a timeout."
+eval properly in `should' or `should-not'.  `should-error' is not
+handled properly.  BODY shall not contain a timeout."
   (declare (indent 1) (debug (natnump body)))
   `(let ((tramp-verbose ,verbose)
 	 (tramp-debug-on-error t)
@@ -951,7 +951,9 @@ This tests also `file-directory-p' and `file-accessible-directory-p'."
     (should-not (file-directory-p tmp-name))
     ;; Delete non-empty directory.
     (make-directory tmp-name)
+    (should (file-directory-p tmp-name))
     (write-region "foo" nil (expand-file-name "bla" tmp-name))
+    (should (file-exists-p (expand-file-name "bla" tmp-name)))
     (should-error (delete-directory tmp-name))
     (delete-directory tmp-name 'recursive)
     (should-not (file-directory-p tmp-name))))