25 lines
651 B
Python
25 lines
651 B
Python
# Copyright (c) Jupyter Development Team.
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# Distributed under the terms of the Modified BSD License.
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from traitlets import Bool, Tuple, List
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from .utils import setup, teardown
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from ..widget import Widget
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# A widget with simple traits
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class SimpleWidget(Widget):
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a = Bool().tag(sync=True)
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b = Tuple(Bool(), Bool(), Bool(), default_value=(False, False, False)).tag(sync=True)
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c = List(Bool()).tag(sync=True)
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def test_empty_send_state():
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w = SimpleWidget()
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w.send_state([])
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assert w.comm.messages == []
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def test_empty_hold_sync():
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w = SimpleWidget()
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with w.hold_sync():
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pass
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assert w.comm.messages == []
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