def test_select_change_options(document, comm):
opts = {'A': 'a', '1': 1}
select = Select(options=opts, value=opts['1'], name='Select')
widget = select.get_root(document, comm=comm)
select.options = {'A': 'a'}
assert select.value == opts['A']
assert widget.value == as_unicode(opts['A'])
select.options = {}
assert select.value == None
assert widget.value == ''
def test_select_non_hashable_options(document, comm):
opts = {'A': np.array([1, 2, 3]), '1': np.array([3, 4, 5])}
select = Select(options=opts, value=opts['1'], name='Select')
widget = select.get_root(document, comm=comm)
select.value = opts['A']
assert select.value is opts['A']
assert widget.value == as_unicode(opts['A'])
opts.pop('A')
select.options = opts
assert select.value is opts['1']
assert widget.value == as_unicode(opts['1'])
def test_select_groups_error_with_options():
# Instantiate with groups and options
with pytest.raises(ValueError):
Select(options=[1, 2], groups=dict(a=[1], b=[2]), name='Select')
opts = [1, 2, 3]
groups = dict(a=[1, 2], b=[3])
# Instamtiate with options and then update groups
select = Select(options=opts, name='Select')
with pytest.raises(ValueError):
select.groups = groups
# Instantiate with groups and then update options
select = Select(groups=groups, name='Select')
with pytest.raises(ValueError):
select.options = opts
