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;;; test-org-roam-config-slug.el --- Tests for cj/--generate-roam-slug -*- lexical-binding: t; -*-
;;; Commentary:
;; Tests for the cj/--generate-roam-slug function from org-roam-config.el
;;
;; This function converts a title to a filename-safe slug by:
;; 1. Converting to lowercase
;; 2. Replacing non-alphanumeric characters with hyphens
;; 3. Removing leading and trailing hyphens
;;
;; Examples:
;; Input: "My Project Name"
;; Output: "my-project-name"
;;
;; Input: "Hello, World!"
;; Output: "hello-world"
;;; Code:
(require 'ert)
(require 'testutil-general)
;; Add modules directory to load path
(add-to-list 'load-path (expand-file-name "modules" user-emacs-directory))
;; Now load the actual production module
(require 'org-roam-config)
;;; Test Helpers
(defun test-slug (title)
"Test cj/--generate-roam-slug on TITLE.
Returns the slugified string."
(cj/--generate-roam-slug title))
;;; Normal Cases - Simple Titles
(ert-deftest test-slug-simple-word ()
"Should return lowercase simple word."
(let ((result (test-slug "Hello")))
(should (string= result "hello"))))
(ert-deftest test-slug-multiple-words ()
"Should replace spaces with hyphens."
(let ((result (test-slug "My Project Name")))
(should (string= result "my-project-name"))))
(ert-deftest test-slug-already-lowercase ()
"Should handle already lowercase text."
(let ((result (test-slug "simple")))
(should (string= result "simple"))))
(ert-deftest test-slug-mixed-case ()
"Should convert mixed case to lowercase."
(let ((result (test-slug "MixedCaseTitle")))
(should (string= result "mixedcasetitle"))))
;;; Normal Cases - Punctuation
(ert-deftest test-slug-with-comma ()
"Should remove commas."
(let ((result (test-slug "Hello, World")))
(should (string= result "hello-world"))))
(ert-deftest test-slug-with-period ()
"Should remove periods."
(let ((result (test-slug "Version 2.0")))
(should (string= result "version-2-0"))))
(ert-deftest test-slug-with-exclamation ()
"Should remove exclamation marks."
(let ((result (test-slug "Hello World!")))
(should (string= result "hello-world"))))
(ert-deftest test-slug-with-question ()
"Should remove question marks."
(let ((result (test-slug "What Is This?")))
(should (string= result "what-is-this"))))
(ert-deftest test-slug-with-colon ()
"Should remove colons."
(let ((result (test-slug "Note: Important")))
(should (string= result "note-important"))))
(ert-deftest test-slug-with-parentheses ()
"Should remove parentheses."
(let ((result (test-slug "Item (copy)")))
(should (string= result "item-copy"))))
;;; Normal Cases - Numbers
(ert-deftest test-slug-with-numbers ()
"Should preserve numbers."
(let ((result (test-slug "Chapter 42")))
(should (string= result "chapter-42"))))
(ert-deftest test-slug-only-numbers ()
"Should handle titles with only numbers."
(let ((result (test-slug "123")))
(should (string= result "123"))))
(ert-deftest test-slug-mixed-alphanumeric ()
"Should preserve alphanumeric characters."
(let ((result (test-slug "Test123ABC")))
(should (string= result "test123abc"))))
;;; Boundary Cases - Multiple Consecutive Special Chars
(ert-deftest test-slug-multiple-spaces ()
"Should collapse multiple spaces into single hyphen."
(let ((result (test-slug "Hello World")))
(should (string= result "hello-world"))))
(ert-deftest test-slug-mixed-punctuation ()
"Should collapse mixed punctuation into single hyphen."
(let ((result (test-slug "Hello, ... World!")))
(should (string= result "hello-world"))))
(ert-deftest test-slug-consecutive-hyphens ()
"Should collapse consecutive hyphens."
(let ((result (test-slug "Hello---World")))
(should (string= result "hello-world"))))
;;; Boundary Cases - Leading/Trailing Special Chars
(ert-deftest test-slug-leading-space ()
"Should remove leading hyphen from leading space."
(let ((result (test-slug " Hello")))
(should (string= result "hello"))))
(ert-deftest test-slug-trailing-space ()
"Should remove trailing hyphen from trailing space."
(let ((result (test-slug "Hello ")))
(should (string= result "hello"))))
(ert-deftest test-slug-leading-punctuation ()
"Should remove leading hyphen from leading punctuation."
(let ((result (test-slug "...Hello")))
(should (string= result "hello"))))
(ert-deftest test-slug-trailing-punctuation ()
"Should remove trailing hyphen from trailing punctuation."
(let ((result (test-slug "Hello!!!")))
(should (string= result "hello"))))
(ert-deftest test-slug-leading-and-trailing ()
"Should remove both leading and trailing hyphens."
(let ((result (test-slug " Hello World ")))
(should (string= result "hello-world"))))
;;; Boundary Cases - Empty and Short
(ert-deftest test-slug-empty-string ()
"Should return empty string for empty input."
(let ((result (test-slug "")))
(should (string= result ""))))
(ert-deftest test-slug-only-punctuation ()
"Should return empty string for only punctuation."
(let ((result (test-slug "!!!")))
(should (string= result ""))))
(ert-deftest test-slug-only-spaces ()
"Should return empty string for only spaces."
(let ((result (test-slug " ")))
(should (string= result ""))))
(ert-deftest test-slug-single-char ()
"Should handle single character."
(let ((result (test-slug "A")))
(should (string= result "a"))))
;;; Edge Cases - Special Characters
(ert-deftest test-slug-with-underscore ()
"Should replace underscores with hyphens."
(let ((result (test-slug "my_variable_name")))
(should (string= result "my-variable-name"))))
(ert-deftest test-slug-with-slash ()
"Should remove slashes."
(let ((result (test-slug "path/to/file")))
(should (string= result "path-to-file"))))
(ert-deftest test-slug-with-at-sign ()
"Should remove at signs."
(let ((result (test-slug "user@example")))
(should (string= result "user-example"))))
(ert-deftest test-slug-with-hash ()
"Should remove hash symbols."
(let ((result (test-slug "#hashtag")))
(should (string= result "hashtag"))))
(ert-deftest test-slug-with-dollar ()
"Should remove dollar signs."
(let ((result (test-slug "$price")))
(should (string= result "price"))))
;;; Edge Cases - Unicode (if supported)
(ert-deftest test-slug-with-unicode ()
"Should remove unicode characters."
(let ((result (test-slug "Café")))
(should (string= result "caf"))))
(ert-deftest test-slug-with-emoji ()
"Should remove emoji."
(let ((result (test-slug "Hello 😀 World")))
(should (string= result "hello-world"))))
;;; Edge Cases - Long Titles
(ert-deftest test-slug-very-long-title ()
"Should handle very long titles."
(let* ((long-title (mapconcat #'identity (make-list 20 "word") " "))
(result (test-slug long-title)))
(should (string-prefix-p "word-" result))
(should (string-suffix-p "-word" result))
(should (not (string-match-p " " result)))))
(provide 'test-org-roam-config-slug)
;;; test-org-roam-config-slug.el ends here
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