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- # Copyright (c) Jupyter Development Team.
- # Distributed under the terms of the Modified BSD License.
- from unittest import TestCase
- from traitlets import TraitError
- from ipywidgets.widgets import Accordion, HTML
- class TestAccordion(TestCase):
- def setUp(self):
- self.children = [HTML('0'), HTML('1')]
- def test_selected_index_none(self):
- accordion = Accordion(self.children, selected_index=None)
- state = accordion.get_state()
- assert state['selected_index'] is None
- def test_selected_index(self):
- accordion = Accordion(self.children, selected_index=1)
- state = accordion.get_state()
- assert state['selected_index'] == 1
- def test_selected_index_out_of_bounds(self):
- with self.assertRaises(TraitError):
- Accordion(self.children, selected_index=-1)
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