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authorCraig Jennings <c@cjennings.net>2025-11-14 02:31:16 -0600
committerCraig Jennings <c@cjennings.net>2025-11-14 02:31:16 -0600
commit9d55ed149e100b4fb3ef6f5a79d263dcb26ce835 (patch)
treeb02a77b84849f15b4302fda8f3f8e3942cb253ac /tests/test-custom-whitespace-hyphenate.el
parent7b982b1984dd37af42a2dfc9f4c3e52b27102860 (diff)
checking in modified/removed tests and other misc changes
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-;;; test-custom-whitespace-hyphenate.el --- Tests for cj/--hyphenate-whitespace -*- lexical-binding: t; -*-
-
-;;; Commentary:
-;; Tests for the cj/--hyphenate-whitespace function from custom-whitespace.el
-;;
-;; This function replaces all runs of whitespace (spaces, tabs, newlines,
-;; carriage returns) with single hyphens. Useful for converting text with
-;; whitespace into hyphenated identifiers or URLs.
-;;
-;; Uses the regexp [ \t\n\r]+ to match whitespace runs.
-;;
-;; We test the NON-INTERACTIVE implementation (cj/--hyphenate-whitespace)
-;; to avoid mocking region selection. This follows our testing best practice
-;; of separating business logic from UI interaction.
-
-;;; Code:
-
-(require 'ert)
-(require 'testutil-general)
-
-;; Add modules directory to load path
-(add-to-list 'load-path (expand-file-name "modules" user-emacs-directory))
-
-;; Stub dependencies before loading the module
-(defvar cj/custom-keymap (make-sparse-keymap)
- "Stub keymap for testing.")
-
-;; Now load the actual production module
-(require 'custom-whitespace)
-
-;;; Test Helpers
-
-(defun test-hyphenate-whitespace (input-text)
- "Test cj/--hyphenate-whitespace on INPUT-TEXT.
-Returns the buffer string after operation."
- (with-temp-buffer
- (insert input-text)
- (cj/--hyphenate-whitespace (point-min) (point-max))
- (buffer-string)))
-
-;;; Normal Cases
-
-(ert-deftest test-hyphenate-whitespace-single-space ()
- "Should replace single space with hyphen."
- (let ((result (test-hyphenate-whitespace "hello world")))
- (should (string= result "hello-world"))))
-
-(ert-deftest test-hyphenate-whitespace-multiple-spaces ()
- "Should replace multiple spaces with single hyphen."
- (let ((result (test-hyphenate-whitespace "hello world")))
- (should (string= result "hello-world"))))
-
-(ert-deftest test-hyphenate-whitespace-tabs ()
- "Should replace tabs with hyphen."
- (let ((result (test-hyphenate-whitespace "hello\tworld")))
- (should (string= result "hello-world"))))
-
-(ert-deftest test-hyphenate-whitespace-mixed-tabs-spaces ()
- "Should replace mixed tabs and spaces with single hyphen."
- (let ((result (test-hyphenate-whitespace "hello \t world")))
- (should (string= result "hello-world"))))
-
-(ert-deftest test-hyphenate-whitespace-newlines ()
- "Should replace newlines with hyphen (joining lines)."
- (let ((result (test-hyphenate-whitespace "hello\nworld")))
- (should (string= result "hello-world"))))
-
-(ert-deftest test-hyphenate-whitespace-multiple-newlines ()
- "Should replace multiple newlines with single hyphen."
- (let ((result (test-hyphenate-whitespace "hello\n\n\nworld")))
- (should (string= result "hello-world"))))
-
-(ert-deftest test-hyphenate-whitespace-multiple-words ()
- "Should hyphenate multiple words with various whitespace."
- (let ((result (test-hyphenate-whitespace "one two three\tfour\nfive")))
- (should (string= result "one-two-three-four-five"))))
-
-(ert-deftest test-hyphenate-whitespace-carriage-returns ()
- "Should handle carriage returns."
- (let ((result (test-hyphenate-whitespace "hello\r\nworld")))
- (should (string= result "hello-world"))))
-
-;;; Boundary Cases
-
-(ert-deftest test-hyphenate-whitespace-empty-string ()
- "Should handle empty string."
- (let ((result (test-hyphenate-whitespace "")))
- (should (string= result ""))))
-
-(ert-deftest test-hyphenate-whitespace-no-whitespace ()
- "Should handle text with no whitespace (no-op)."
- (let ((result (test-hyphenate-whitespace "helloworld")))
- (should (string= result "helloworld"))))
-
-(ert-deftest test-hyphenate-whitespace-only-whitespace ()
- "Should convert text with only whitespace to single hyphen."
- (let ((result (test-hyphenate-whitespace " \t \n ")))
- (should (string= result "-"))))
-
-(ert-deftest test-hyphenate-whitespace-single-char ()
- "Should handle single character with surrounding spaces."
- (let ((result (test-hyphenate-whitespace " x ")))
- (should (string= result "-x-"))))
-
-(ert-deftest test-hyphenate-whitespace-very-long-text ()
- "Should handle very long text with many spaces."
- (let ((result (test-hyphenate-whitespace "word word word word word word word word")))
- (should (string= result "word-word-word-word-word-word-word-word"))))
-
-(ert-deftest test-hyphenate-whitespace-leading-whitespace ()
- "Should replace leading whitespace with hyphen."
- (let ((result (test-hyphenate-whitespace " hello world")))
- (should (string= result "-hello-world"))))
-
-(ert-deftest test-hyphenate-whitespace-trailing-whitespace ()
- "Should replace trailing whitespace with hyphen."
- (let ((result (test-hyphenate-whitespace "hello world ")))
- (should (string= result "hello-world-"))))
-
-;;; Error Cases
-
-(ert-deftest test-hyphenate-whitespace-start-greater-than-end ()
- "Should error when start > end."
- (should-error
- (with-temp-buffer
- (insert "hello world")
- (cj/--hyphenate-whitespace (point-max) (point-min)))
- :type 'error))
-
-(ert-deftest test-hyphenate-whitespace-empty-region ()
- "Should handle empty region (start == end) without error."
- (with-temp-buffer
- (insert "hello world")
- (let ((pos (/ (+ (point-min) (point-max)) 2)))
- (cj/--hyphenate-whitespace pos pos)
- ;; Should complete without error and not change buffer
- (should (string= (buffer-string) "hello world")))))
-
-(provide 'test-custom-whitespace-hyphenate)
-;;; test-custom-whitespace-hyphenate.el ends here