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Add two tests for undo in notebook

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Takafumi Arakaki 2012-06-16 20:11:51 +02:00
parent 35c3e9bd7b
commit 1127de66a7
1 changed files with 77 additions and 0 deletions
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77
tests/test-ein-notebook.el
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@ -388,6 +388,83 @@ some text
(should (search-forward "\nHello World\n" nil t)) ; stream output (should (search-forward "\nHello World\n" nil t)) ; stream output
(should-not (search-forward "Hello World" nil t)))))) (should-not (search-forward "Hello World" nil t))))))
;; Notebook undo
(ert-deftest ein:notebook-undo-after-execution ()
(with-current-buffer (eintest:notebook-make-empty)
(ein:notebook-insert-cell-below-command)
(let* ((text "print 'Hello World'")
(output-text "Hello World\n")
(cell (ein:notebook-get-current-cell))
(kernel (ein:$notebook-kernel ein:notebook))
(msg-id "DUMMY-MSG-ID")
(callbacks (ein:cell-make-callbacks cell))
(check-output
(lambda ()
(save-excursion
(goto-char (point-min))
(should (search-forward (concat "\n" output-text) nil t))
(should-not (search-forward "Hello World" nil t))))))
(eintest:notebook-check-kernel-and-codecell kernel cell)
;; Execute
(insert text)
(undo-boundary)
(eintest:notebook-fake-execution kernel text msg-id callbacks)
(ein:kernel-set-callbacks-for-msg kernel msg-id callbacks)
;; Stream output
(eintest:kernel-fake-stream kernel msg-id output-text)
(funcall check-output)
;; Undo
(should (equal (ein:cell-get-text cell) text))
(undo)
(should (equal (ein:cell-get-text cell) ""))
;; FIXME: Known bug. (it must succeed.)
(should-error (funcall check-output)))))
(ert-deftest ein:notebook-undo-after-execution-2-cells ()
(with-current-buffer (eintest:notebook-make-empty)
(ein:notebook-insert-cell-below-command)
(ein:notebook-insert-cell-above-command)
(let* ((text "print 'Hello World\\n' * 10")
(next-text "something")
(output-text
(apply #'concat (loop repeat 10 collect "Hello World\n")))
(cell (ein:notebook-get-current-cell))
(next-cell (ein:cell-next cell))
(kernel (ein:$notebook-kernel ein:notebook))
(msg-id "DUMMY-MSG-ID")
(callbacks (ein:cell-make-callbacks cell))
(check-output
(lambda ()
(save-excursion
(goto-char (point-min))
(should (search-forward (concat "\n" output-text) nil t))
(should-not (search-forward "Hello World" nil t))))))
(eintest:notebook-check-kernel-and-codecell kernel cell)
;; Execute
(insert text)
(undo-boundary)
(let ((pos (point)))
;; Do not use `save-excursion' because it does not record undo.
(ein:notebook-goto-next-input-command)
(insert next-text)
(undo-boundary)
(goto-char pos))
(eintest:notebook-fake-execution kernel text msg-id callbacks)
(ein:kernel-set-callbacks-for-msg kernel msg-id callbacks)
;; Stream output
(eintest:kernel-fake-stream kernel msg-id output-text)
(funcall check-output)
;; Undo
(should (equal (ein:cell-get-text cell) text))
(should (equal (ein:cell-get-text next-cell) next-text))
(undo)
(should (equal (ein:cell-get-text cell) text))
;; FIXME: Known bug. (these two must succeed.)
(should-error (should (equal (ein:cell-get-text next-cell) "")))
(should-error (funcall check-output)))))
;; Notebook mode ;; Notebook mode