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;;; test-custom-ordering-unarrayify.el --- Tests for cj/--unarrayify -*- lexical-binding: t; -*-
;;; Commentary:
;; Tests for the cj/--unarrayify function from custom-ordering.el
;;
;; This function converts comma-separated array format back to separate lines.
;; It splits by ", " (comma-space), removes quotes (both " and '), and joins with newlines.
;;
;; Examples:
;; Input: "\"apple\", \"banana\", \"cherry\""
;; Output: "apple\nbanana\ncherry"
;;
;; Input: "'one', 'two', 'three'"
;; Output: "one\ntwo\nthree"
;;
;; We test the NON-INTERACTIVE implementation (cj/--unarrayify) 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-ordering)
;;; Test Helpers
(defun test-unarrayify (input-text)
"Test cj/--unarrayify on INPUT-TEXT.
Returns the transformed string."
(with-temp-buffer
(insert input-text)
(cj/--unarrayify (point-min) (point-max))))
;;; Normal Cases - Double Quotes
(ert-deftest test-unarrayify-double-quotes-simple ()
"Should unarrayify double-quoted elements."
(let ((result (test-unarrayify "\"apple\", \"banana\", \"cherry\"")))
(should (string= result "apple\nbanana\ncherry"))))
(ert-deftest test-unarrayify-double-quotes-single-element ()
"Should unarrayify single double-quoted element."
(let ((result (test-unarrayify "\"hello\"")))
(should (string= result "hello"))))
(ert-deftest test-unarrayify-double-quotes-two-elements ()
"Should unarrayify two double-quoted elements."
(let ((result (test-unarrayify "\"one\", \"two\"")))
(should (string= result "one\ntwo"))))
;;; Normal Cases - Single Quotes
(ert-deftest test-unarrayify-single-quotes-simple ()
"Should unarrayify single-quoted elements."
(let ((result (test-unarrayify "'alpha', 'beta', 'gamma'")))
(should (string= result "alpha\nbeta\ngamma"))))
(ert-deftest test-unarrayify-single-quotes-single-element ()
"Should unarrayify single single-quoted element."
(let ((result (test-unarrayify "'hello'")))
(should (string= result "hello"))))
;;; Normal Cases - Mixed Quotes
(ert-deftest test-unarrayify-mixed-quotes ()
"Should unarrayify mixed quote types."
(let ((result (test-unarrayify "\"apple\", 'banana', \"cherry\"")))
(should (string= result "apple\nbanana\ncherry"))))
;;; Normal Cases - No Quotes
(ert-deftest test-unarrayify-no-quotes ()
"Should unarrayify unquoted elements."
(let ((result (test-unarrayify "foo, bar, baz")))
(should (string= result "foo\nbar\nbaz"))))
;;; Normal Cases - Various Content
(ert-deftest test-unarrayify-with-numbers ()
"Should unarrayify numbers."
(let ((result (test-unarrayify "\"1\", \"2\", \"3\"")))
(should (string= result "1\n2\n3"))))
(ert-deftest test-unarrayify-with-spaces-in-elements ()
"Should preserve spaces within elements."
(let ((result (test-unarrayify "\"hello world\", \"foo bar\"")))
(should (string= result "hello world\nfoo bar"))))
(ert-deftest test-unarrayify-mixed-content ()
"Should unarrayify mixed alphanumeric content."
(let ((result (test-unarrayify "\"item1\", \"item2\", \"item3\"")))
(should (string= result "item1\nitem2\nitem3"))))
;;; Boundary Cases
(ert-deftest test-unarrayify-empty-string ()
"Should handle empty string."
(let ((result (test-unarrayify "")))
(should (string= result ""))))
(ert-deftest test-unarrayify-only-quotes ()
"Should remove quotes from quote-only string."
(let ((result (test-unarrayify "\"\"")))
(should (string= result ""))))
(ert-deftest test-unarrayify-very-long-list ()
"Should handle very long list."
(let* ((elements (mapcar (lambda (i) (format "\"%d\"" i)) (number-sequence 1 100)))
(input (mapconcat #'identity elements ", "))
(result (test-unarrayify input))
(lines (split-string result "\n")))
(should (= 100 (length lines)))))
(ert-deftest test-unarrayify-with-empty-elements ()
"Should handle empty quoted elements."
(let ((result (test-unarrayify "\"\", \"test\", \"\"")))
(should (string= result "\ntest\n"))))
;;; Edge Cases - Nested or Mismatched Quotes
(ert-deftest test-unarrayify-double-quotes-in-single ()
"Should handle double quotes inside single-quoted strings."
(let ((result (test-unarrayify "'he said \"hello\"', 'world'")))
(should (string= result "he said hello\nworld"))))
(ert-deftest test-unarrayify-only-opening-quotes ()
"Should remove all quote characters even if mismatched."
(let ((result (test-unarrayify "\"apple, \"banana, \"cherry")))
(should (string= result "apple\nbanana\ncherry"))))
;;; Error Cases
(ert-deftest test-unarrayify-start-greater-than-end ()
"Should error when start > end."
(should-error
(with-temp-buffer
(insert "\"a\", \"b\"")
(cj/--unarrayify (point-max) (point-min)))
:type 'error))
(ert-deftest test-unarrayify-empty-region ()
"Should handle empty region (start == end)."
(with-temp-buffer
(insert "\"a\", \"b\"")
(let ((pos (/ (+ (point-min) (point-max)) 2)))
(should (string= "" (cj/--unarrayify pos pos))))))
(provide 'test-custom-ordering-unarrayify)
;;; test-custom-ordering-unarrayify.el ends here
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