[Emacs-diffs] emacs-26 4c8157c 2/2: ; Let files-tests.el pass multiple times in a session

[Noam Postavsky]

branch: emacs-26
commit 4c8157cfe06ef5715ba8533be164dd9a047711d0
Author: Noam Postavsky <address@hidden>
Commit: Noam Postavsky <address@hidden>

    ; Let files-tests.el pass multiple times in a session
    
    * test/lisp/files-tests.el (files-test-local-variables): Use `cl-letf'
    instead of advice.  The advice was not being activated on the second
    run.
---
 test/lisp/files-tests.el | 22 ++++++++++------------
 1 file changed, 10 insertions(+), 12 deletions(-)

diff --git a/test/lisp/files-tests.el b/test/lisp/files-tests.el
index 8dbfc29..d51f8bb 100644
--- a/test/lisp/files-tests.el
+++ b/test/lisp/files-tests.el
@@ -135,18 +135,16 @@ form.")
 
 (ert-deftest files-test-local-variables ()
   "Test the file-local variables implementation."
-  (unwind-protect
-      (progn
-       (defadvice hack-local-variables-confirm (around files-test activate)
-         (setq files-test-result 'query)
-         nil)
-       (dolist (test files-test-local-variable-data)
-         (let ((str (concat "text\n\n;; Local Variables:\n;; "
-                            (mapconcat 'identity (car test) "\n;; ")
-                            "\n;; End:\n")))
-           (dolist (subtest (cdr test))
-             (should (file-test--do-local-variables-test str subtest))))))
-    (ad-disable-advice 'hack-local-variables-confirm 'around 'files-test)))
+  (cl-letf (((symbol-function 'hack-local-variables-confirm)
+             (lambda (&rest _)
+               (setq files-test-result 'query)
+               nil)))
+    (dolist (test files-test-local-variable-data)
+      (let ((str (concat "text\n\n;; Local Variables:\n;; "
+                         (mapconcat 'identity (car test) "\n;; ")
+                         "\n;; End:\n")))
+        (dolist (subtest (cdr test))
+          (should (file-test--do-local-variables-test str subtest)))))))
 
 (defvar files-test-bug-18141-file
   (expand-file-name "data/files-bug18141.el.gz" (getenv 
"EMACS_TEST_DIRECTORY"))