@@ -40,6 +40,7 @@ (define-module (guix build emacs-utils)
emacs-byte-compile-directory
emacs-compile-directory
emacs-header-parse
+ ert-number-tests
as-display
emacs-substitute-sexps
@@ -183,6 +184,19 @@ (define-syntax replacement-helper
(insert " ")
(insert ,(format #f "~s" replacement))))))
+(define (ert-number-tests file test-name)
+ "Add a numerically increasing suffix to tests of the same name.
+This fixes test errors of the pattern \"Test TEST_NAME redefined\"."
+ (emacs-batch-edit-file file
+ `(let ((i 0))
+ (while (re-search-forward ,(string-append "ert-deftest " test-name)
+ nil t)
+ (goto-char (match-beginning 0))
+ (kill-region (match-beginning 0) (match-end 0))
+ (insert (format "ert-deftest %s-%d" ,test-name i))
+ (setq i (+ i 1)))
+ (basic-save-buffer))))
+
(define-syntax emacs-substitute-sexps
(syntax-rules ()
"Substitute the S-expression immediately following the first occurrence of