92 lines
3 KiB
Python
92 lines
3 KiB
Python
from selenium.webdriver.common.keys import Keys
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from .utils import shift
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def undelete(nb):
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nb.browser.execute_script('Jupyter.notebook.undelete_cell();')
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INITIAL_CELLS = ['print("a")', 'print("b")', 'print("c")', 'print("d")']
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def test_undelete_cells(prefill_notebook):
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notebook = prefill_notebook(INITIAL_CELLS)
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a, b, c, d = INITIAL_CELLS
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# Verify initial state
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assert notebook.get_cells_contents() == [a, b, c, d]
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# Delete cells [1, 2]
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notebook.focus_cell(1)
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shift(notebook.browser, Keys.DOWN)
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notebook.current_cell.send_keys('dd')
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assert notebook.get_cells_contents() == [a, d]
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# Delete new cell 1 (which contains d)
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notebook.focus_cell(1)
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notebook.current_cell.send_keys('dd')
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assert notebook.get_cells_contents() == [a]
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# Undelete d
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undelete(notebook)
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assert notebook.get_cells_contents() == [a, d]
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# Undelete b, c
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undelete(notebook)
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assert notebook.get_cells_contents() == [a, b, c, d]
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# Nothing more to undelete
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undelete(notebook)
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assert notebook.get_cells_contents() == [a, b, c, d]
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# Delete first two cells and restore
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notebook.focus_cell(0)
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shift(notebook.browser, Keys.DOWN)
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notebook.current_cell.send_keys('dd')
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assert notebook.get_cells_contents() == [c, d]
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undelete(notebook)
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assert notebook.get_cells_contents() == [a, b, c, d]
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# Delete last two cells and restore
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notebook.focus_cell(-1)
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shift(notebook.browser, Keys.UP)
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notebook.current_cell.send_keys('dd')
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assert notebook.get_cells_contents() == [a, b]
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undelete(notebook)
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assert notebook.get_cells_contents() == [a, b, c, d]
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# Merge cells [1, 2], restore the deleted one
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bc = b + "\n\n" + c
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notebook.focus_cell(1)
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shift(notebook.browser, 'j')
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shift(notebook.browser, 'm')
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assert notebook.get_cells_contents() == [a, bc, d]
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undelete(notebook)
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assert notebook.get_cells_contents() == [a, bc, c, d]
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# Merge cells [2, 3], restore the deleted one
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cd = c + "\n\n" + d
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notebook.focus_cell(-1)
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shift(notebook.browser, 'k')
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shift(notebook.browser, 'm')
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assert notebook.get_cells_contents() == [a, bc, cd]
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undelete(notebook)
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assert notebook.get_cells_contents() == [a, bc, cd, d]
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# Reset contents to [a, b, c, d] --------------------------------------
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notebook.edit_cell(index=1, content=b)
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notebook.edit_cell(index=2, content=c)
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assert notebook.get_cells_contents() == [a, b, c, d]
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# Merge cell below, restore the deleted one
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ab = a + "\n\n" + b
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notebook.focus_cell(0)
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notebook.browser.execute_script("Jupyter.notebook.merge_cell_below();")
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assert notebook.get_cells_contents() == [ab, c, d]
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undelete(notebook)
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assert notebook.get_cells_contents() == [ab, b, c, d]
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# Merge cell above, restore the deleted one
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cd = c + "\n\n" + d
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notebook.focus_cell(-1)
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notebook.browser.execute_script("Jupyter.notebook.merge_cell_above();")
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assert notebook.get_cells_contents() == [ab, b, cd]
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undelete(notebook)
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assert notebook.get_cells_contents() == [ab, b, c, cd]
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