diff --git a/tests/test-org-roam-link-replace.el b/tests/test-org-roam-link-replace.el
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+;;; test-org-roam-link-replace.el --- Tests for Org-roam link replacement -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2025
+
+;; Package-Requires: ((buttercup))
+
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+;;; Commentary:
+;; Tests for commits fc86387 and 89dfaef - link replacement optimization
+;;; Code:
+
+(require 'buttercup)
+(require 'org-roam)
+(require 'org-roam-node)
+
+(describe "org-roam-link-replace-all optimization"
+  (before-all
+    (setq org-roam-directory (expand-file-name "tests/roam-files")
+          org-roam-db-location (expand-file-name "org-roam.db" temporary-file-directory))
+    (org-roam-db-sync))
+  
+  (after-all
+    (org-roam-db--close)
+    (delete-file org-roam-db-location))
+
+  (it "only processes roam: links, not other bracket links"
+    (with-temp-buffer
+      (org-mode)
+      (insert "[[file:test.org][File]]\n[[roam:Foo]]\n[[https://example.com][Web]]")
+      (let ((replace-count 0)
+            (original-fn (symbol-function 'org-roam-link-replace-at-point)))
+        ;; Wrap the original function to count calls
+        (cl-letf (((symbol-function 'org-roam-link-replace-at-point)
+                   (lambda ()
+                     (cl-incf replace-count)
+                     (funcall original-fn))))
+          (org-roam-link-replace-all)
+          ;; Should only be called once, for the roam: link
+          (expect replace-count :to-equal 1)
+          (expect (buffer-string) :to-match "\\[\\[id:.*\\]\\[Foo\\]\\]"))))))
+
+(provide 'test-org-roam-link-replace)
+
+;;; test-org-roam-link-replace.el ends here