changing repositories

1 files changed, 68 insertions, 0 deletions

diff --git a/tests/test-fs-filter-by-extension.el b/tests/test-fs-filter-by-extension.el
new file mode 100644
index 00000000..254cf47c
--- /dev/null
+++ b/tests/test-fs-filter-by-extension.el
@@ -0,0 +1,68 @@
+;;; test-tool-library-fs-filter-by-extension.el --- ERT tests for cj/fs-filter-by-extension -*- lexical-binding: t; -*-
+
+;; Author: gptel-tool-writer and cjennings
+;; Keywords: tests, filesystem, tools
+
+;;; Commentary:
+;; ERT tests for the cj/fs-filter-by-extension function from tool-filesystem-library.el.
+;; Place this file in ~/.emacs.d/tests/ and load it to run tests.
+
+;;; Code:
+
+(require 'ert)
+(require 'f)
+(require 'tool-filesystem-library)
+
+(defvar cj/fs-test--temp-dir nil "Temporary test directory for fs-filter-by-extension tests.")
+
+(defun cj/fs-test--setup ()
+  "Set up temp directory for fs-filter-by-extension tests."
+  (setq cj/fs-test--temp-dir (make-temp-file "fs-lib-test" t))
+  ;; Create files
+  (with-temp-buffer (insert "Org file") (write-file (f-join cj/fs-test--temp-dir "file1.org")))
+  (with-temp-buffer (insert "Txt file") (write-file (f-join cj/fs-test--temp-dir "file2.txt")))
+  (make-directory (f-join cj/fs-test--temp-dir "subdir") t))
+
+(defun cj/fs-test--teardown ()
+  "Clean up temp directory for fs-filter-by-extension tests."
+  (when (and cj/fs-test--temp-dir (file-directory-p cj/fs-test--temp-dir))
+    (delete-directory cj/fs-test--temp-dir t))
+  (setq cj/fs-test--temp-dir nil))
+
+(ert-deftest test-cj/fs-filter-by-extension-normal-match ()
+  "Normal: match single extension in list."
+  (cj/fs-test--setup)
+  (unwind-protect
+	  (let* ((infos (mapcar #'cj/fs-get-file-info (cj/fs-directory-entries cj/fs-test--temp-dir)))
+			 (filtered (cj/fs-filter-by-extension infos "org")))
+		(should (cl-some (lambda (fi) (string= (f-filename (plist-get fi :path)) "file1.org")) filtered))
+		(should-not (cl-some (lambda (fi) (string= (f-filename (plist-get fi :path)) "file2.txt")) filtered)))
+	(cj/fs-test--teardown)))
+
+(ert-deftest test-cj/fs-filter-by-extension-normal-no-filter ()
+  "Normal: no extension filter returns full list."
+  (cj/fs-test--setup)
+  (unwind-protect
+	  (let* ((infos (mapcar #'cj/fs-get-file-info (cj/fs-directory-entries cj/fs-test--temp-dir)))
+			 (filtered (cj/fs-filter-by-extension infos nil)))
+		(should (= (length filtered) (length infos))))
+	(cj/fs-test--teardown)))
+
+(ert-deftest test-cj/fs-filter-by-extension-error-empty-list ()
+  "Error: empty file info list handled."
+  (should (equal (cj/fs-filter-by-extension nil "org") nil)))
+
+(ert-deftest test-cj/fs-filter-by-extension-boundary-mixed-files ()
+  "Boundary: mixed extensions and directories handled."
+  (cj/fs-test--setup)
+  (unwind-protect
+	  (let* ((entries (cj/fs-directory-entries cj/fs-test--temp-dir))
+			 (infos (mapcar #'cj/fs-get-file-info entries))
+			 (filtered (cj/fs-filter-by-extension infos "org")))
+		(should (cl-some (lambda (fi) (plist-get fi :directory)) filtered))
+		(should (cl-some (lambda (fi) (string= (f-filename (plist-get fi :path)) "file1.org")) filtered))
+		(should-not (cl-some (lambda (fi) (string= (f-filename (plist-get fi :path)) "file2.txt")) filtered)))
+	(cj/fs-test--teardown)))
+
+(provide 'test-tool-library-fs-filter-by-extension)
+;;; test-tool-library-fs-filter-by-extension.el ends here