def test_literal_input(document, comm):
literal = LiteralInput(value={}, type=dict, name='Literal')
widget = literal._get_root(document, comm=comm)
assert isinstance(widget, literal._widget_type)
assert widget.title == 'Literal'
assert widget.value == '{}'
literal._comm_change({'value': "{'key': (0, 2)}"})
assert literal.value == {'key': (0, 2)}
assert widget.title == 'Literal'
literal._comm_change({'value': "(0, 2)"})
assert literal.value == {'key': (0, 2)}
assert widget.title == 'Literal (wrong type)'
literal._comm_change({'value': "invalid"})
assert literal.value == {'key': (0, 2)}
assert widget.title == 'Literal (invalid)'
literal._comm_change({'value': "{'key': (0, 3)}"})
assert literal.value == {'key': (0, 3)}
assert widget.title == 'Literal'
with pytest.raises(ValueError):
literal.value = []
def test_literal_input(document, comm):
literal = LiteralInput(value={}, type=dict, name='Literal')
box = literal._get_model(document, comm=comm)
assert isinstance(box, WidgetBox)
widget = box.children[0]
assert isinstance(widget, literal._widget_type)
assert widget.title == 'Literal'
assert widget.value == '{}'
literal._comm_change({'value': "{'key': (0, 2)}"})
assert literal.value == {'key': (0, 2)}
assert widget.title == 'Literal'
literal._comm_change({'value': "(0, 2)"})
assert literal.value == {'key': (0, 2)}
assert widget.title == 'Literal (wrong type)'
literal._comm_change({'value': "invalid"})
assert literal.value == {'key': (0, 2)}
assert widget.title == 'Literal (invalid)'
literal._comm_change({'value': "{'key': (0, 3)}"})
assert literal.value == {'key': (0, 3)}
assert widget.title == 'Literal'