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59 lines
2.0 KiB
59 lines
2.0 KiB
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def cell_is_deletable(nb, index):
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JS = 'return Jupyter.notebook.get_cell({}).is_deletable();'.format(index)
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return nb.browser.execute_script(JS)
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def remove_all_cells(notebook):
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for i in range(len(notebook.cells)):
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notebook.delete_cell(0)
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INITIAL_CELLS = ['print("a")', 'print("b")', 'print("c")']
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def test_delete_cells(prefill_notebook):
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a, b, c = INITIAL_CELLS
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notebook = prefill_notebook(INITIAL_CELLS)
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# Validate initial state
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assert notebook.get_cells_contents() == [a, b, c]
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for cell in range(0, 3):
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assert cell_is_deletable(notebook, cell)
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notebook.set_cell_metadata(0, 'deletable', 'false')
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notebook.set_cell_metadata(1, 'deletable', 0
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)
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assert not cell_is_deletable(notebook, 0)
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assert cell_is_deletable(notebook, 1)
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assert cell_is_deletable(notebook, 2)
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# Try to delete cell a (should not be deleted)
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notebook.delete_cell(0)
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assert notebook.get_cells_contents() == [a, b, c]
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# Try to delete cell b (should succeed)
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notebook.delete_cell(1)
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assert notebook.get_cells_contents() == [a, c]
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# Try to delete cell c (should succeed)
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notebook.delete_cell(1)
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assert notebook.get_cells_contents() == [a]
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# Change the deletable state of cell a
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notebook.set_cell_metadata(0, 'deletable', 'true')
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# Try to delete cell a (should succeed)
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notebook.delete_cell(0)
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assert len(notebook.cells) == 1 # it contains an empty cell
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# Make sure copied cells are deletable
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notebook.edit_cell(index=0, content=a)
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notebook.set_cell_metadata(0, 'deletable', 'false')
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assert not cell_is_deletable(notebook, 0)
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notebook.to_command_mode()
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notebook.current_cell.send_keys('cv')
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assert len(notebook.cells) == 2
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assert cell_is_deletable(notebook, 1)
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notebook.set_cell_metadata(0, 'deletable', 'true') # to perform below test, remove all the cells
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remove_all_cells(notebook)
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assert len(notebook.cells) == 1 # notebook should create one automatically on empty notebook
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