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;;; test-signel-cancel-input.el --- Cancel-input contract for the signel fork -*- lexical-binding: t; -*-
;;; Commentary:
;; `signel--cancel-input' is the C-c C-k handler in `signel-chat-mode'.
;; Its contract: clear any in-progress input between `signel--input-marker'
;; and `point-max' (so the prompt is fresh on next visit), then dismiss
;; the window via `quit-window' (the buffer stays alive so chat history
;; survives revisits). These tests lock the contract; the binding test
;; locks the keymap entry.
;;; Code:
(require 'ert)
(require 'cl-lib)
(eval-and-compile
(add-to-list 'load-path (expand-file-name "~/code/signel")))
(require 'signel)
(defmacro test-signel-cancel--with-chat-buffer (&rest body)
"Set up a temp signel-chat-mode buffer with prompt drawn and run BODY."
(declare (indent 0))
`(with-temp-buffer
(signel-chat-mode)
(setq signel--chat-id "+15555550100")
(signel--draw-prompt)
,@body))
(ert-deftest test-signel-cancel-input-clears-pending-text ()
"Normal: pending input from input-marker to point-max is cleared."
(test-signel-cancel--with-chat-buffer
(insert "abandoned-draft")
(cl-letf (((symbol-function 'quit-window) (lambda (&rest _) nil)))
(signel--cancel-input))
(should-not (signel--pending-input))))
(ert-deftest test-signel-cancel-input-empty-input-area-is-a-noop ()
"Boundary: cancelling with no in-progress input is harmless."
(test-signel-cancel--with-chat-buffer
(cl-letf (((symbol-function 'quit-window) (lambda (&rest _) nil)))
(signel--cancel-input))
(should-not (signel--pending-input))))
(ert-deftest test-signel-cancel-input-calls-quit-window ()
"Normal: cancel dismisses the window via `quit-window'."
(test-signel-cancel--with-chat-buffer
(insert "abandoned-draft")
(let ((called nil))
(cl-letf (((symbol-function 'quit-window)
(lambda (&rest _) (setq called t))))
(signel--cancel-input))
(should called))))
(ert-deftest test-signel-cancel-input-preserves-buffer ()
"Normal: cancel does not kill the buffer; chat history (prompt + prior
content above the input marker) survives so reopening the contact lands
in the same buffer."
(test-signel-cancel--with-chat-buffer
(insert "abandoned-draft")
(let ((buf (current-buffer)))
(cl-letf (((symbol-function 'quit-window) (lambda (&rest _) nil)))
(signel--cancel-input))
(should (buffer-live-p buf)))))
(ert-deftest test-signel-chat-mode-binds-c-c-c-k-to-cancel ()
"Normal: `signel-chat-mode' binds C-c C-k to `signel--cancel-input' so
the documented cancel gesture reaches the handler."
(with-temp-buffer
(signel-chat-mode)
(should (eq (lookup-key (current-local-map) (kbd "C-c C-k"))
#'signel--cancel-input))))
(provide 'test-signel-cancel-input)
;;; test-signel-cancel-input.el ends here
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