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;;; test-vterm-toggle--dispatch.el --- Tests for cj/--vterm-toggle-dispatch -*- lexical-binding: t; -*-
;;; Commentary:
;; Pure decision helper for F12. Returns one of (toggle-off . WIN),
;; (show-recent . BUFFER), or (create-new) based on whether a vterm
;; window is currently displayed and whether any vterm buffers are
;; alive. Mocking the underlying helpers keeps the dispatch logic
;; exercisable without touching real windows.
;;; Code:
(require 'ert)
(require 'cl-lib)
(add-to-list 'load-path (expand-file-name "modules" user-emacs-directory))
(require 'eshell-vterm-config)
(defun test-vterm-toggle--dispatch-cleanup ()
"Kill any leftover test buffers."
(dolist (b (buffer-list))
(let ((name (buffer-name b)))
(when (string-prefix-p "*test-vterm" name)
(kill-buffer b)))))
(ert-deftest test-vterm-toggle--dispatch-window-displayed-returns-toggle-off ()
"Normal: displayed vterm window -> (toggle-off . WIN)."
(let ((sentinel-win 'fake-window))
(cl-letf (((symbol-function 'cj/--vterm-toggle-displayed-window)
(lambda (&optional _frame) sentinel-win)))
(should (equal (cj/--vterm-toggle-dispatch)
(cons 'toggle-off sentinel-win))))))
(ert-deftest test-vterm-toggle--dispatch-no-window-buffer-alive-returns-show-recent ()
"Normal: no displayed vterm, at least one alive -> show-recent + first."
(test-vterm-toggle--dispatch-cleanup)
(let ((b1 (get-buffer-create "*test-vterm-mru-1*"))
(b2 (get-buffer-create "*test-vterm-mru-2*")))
(unwind-protect
(cl-letf (((symbol-function 'cj/--vterm-toggle-displayed-window)
(lambda (&optional _frame) nil))
((symbol-function 'cj/--vterm-toggle-buffers)
(lambda () (list b1 b2))))
(should (equal (cj/--vterm-toggle-dispatch)
(cons 'show-recent b1))))
(kill-buffer b1)
(kill-buffer b2))))
(ert-deftest test-vterm-toggle--dispatch-no-window-no-buffer-returns-create-new ()
"Boundary: nothing displayed, no alive vterms -> create-new."
(test-vterm-toggle--dispatch-cleanup)
(cl-letf (((symbol-function 'cj/--vterm-toggle-displayed-window)
(lambda (&optional _frame) nil))
((symbol-function 'cj/--vterm-toggle-buffers)
(lambda () nil)))
(should (equal (cj/--vterm-toggle-dispatch) '(create-new)))))
(provide 'test-vterm-toggle--dispatch)
;;; test-vterm-toggle--dispatch.el ends here
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