(require 'ein-notebooklist)
(require 'ein-testing-notebook)

(defun eintest:notebooklist-make-empty (&optional url-or-port)
  "Make empty notebook list buffer."
  (let ((url-or-port (or url-or-port ein:testing-notebook-dummy-url)))
    (cl-letf (((symbol-function 'ein:need-kernelspecs) #'ignore)
              ((symbol-function 'ein:content-query-sessions) #'ignore))
      (ein:notebooklist-open--finish url-or-port #'ignore
        (make-ein:$content :url-or-port url-or-port
                           :notebook-version "5.7.0"
                           :path "")))))

(defmacro eintest:notebooklist-is-empty-context-of (func)
  `(ert-deftest ,(intern (format "%s--notebooklist" func)) ()
     (with-current-buffer (eintest:notebooklist-make-empty)
       (should-not (,func)))))


;; Generic getter

(ert-deftest ein:get-url-or-port--notebooklist ()
  (with-current-buffer (eintest:notebooklist-make-empty)
    (should (equal (ein:get-url-or-port) ein:testing-notebook-dummy-url))))

(eintest:notebooklist-is-empty-context-of ein:get-notebook)
(eintest:notebooklist-is-empty-context-of ein:get-kernel)
(eintest:notebooklist-is-empty-context-of ein:get-cell-at-point)
(eintest:notebooklist-is-empty-context-of ein:get-traceback-data)