Add more should form calls in a failing dired test

Some dired tests fail intermittently in hydra.  Add few
more should form calls for debugging.
See:
https://lists.gnu.org/archive/html/emacs-devel/2017-07/msg01092.html
* test/lisp/dired-tests.el (dired-test-bug27243-01): Add few more should
forms for debugging.

diff --git a/test/lisp/dired-tests.el b/test/lisp/dired-tests.el
index d6fe839708d77f8060a05e1a0b9552f034316800..0ee4e1378363c47d7669d005a485befb12d16ffc 100644 (file)
--- a/test/lisp/dired-tests.el
+++ b/test/lisp/dired-tests.el
@@ -122,11 +122,18 @@
 
 (ert-deftest dired-test-bug27243-01 ()
   "Test for https://debbugs.gnu.org/cgi/bugreport.cgi?bug=27243#5 ."
-  (let ((test-dir (make-temp-file "test-dir-" t))
+  (let ((test-dir (file-name-as-directory (make-temp-file "test-dir-" t)))
         (dired-auto-revert-buffer t) buffers)
+    (should-not (dired-buffers-for-dir test-dir))
     (with-current-buffer (find-file-noselect test-dir)
       (make-directory "test-subdir"))
+    ;; Point must be at end-of-buffer.
+    (with-current-buffer (car (dired-buffers-for-dir test-dir))
+      (should (eobp)))
     (push (dired test-dir) buffers)
+    ;; Previous dired call shouldn't create a new buffer: must visit the one
+    ;; created by `find-file-noselect' above.
+    (should (eq 1 (length (dired-buffers-for-dir test-dir))))
     (unwind-protect
         (let ((buf (current-buffer))
               (pt1 (point))
@@ -135,11 +142,10 @@
           (write-region "Test" nil test-file nil 'silent nil 'excl)
           ;; Sanity check: point should now be on the subdirectory.
           (should (equal (dired-file-name-at-point)
-                         (concat (file-name-as-directory test-dir)
-                                 (file-name-as-directory "test-subdir"))))
+                         (concat test-dir (file-name-as-directory "test-subdir"))))
           (push (dired-find-file) buffers)
           (let ((pt2 (point)))          ; Point is on test-file.
-            (switch-to-buffer buf)
+            (pop-to-buffer-same-window buf)
             ;; Sanity check: point should now be back on the subdirectory.
             (should (eq (point) pt1))
             (push (dired-find-file) buffers)