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 == 'A'
select.options = {}
assert select.value == None
assert widget.value == None
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 == 'A'
opts.pop('A')
select.options = opts
assert select.value is opts['1']
assert widget.value == '1'
def test_select_change_options_on_watch(document, comm):
select = Select(options=OrderedDict([('A', 'A'), ('1', 1), ('C', object)]),
value='A',
name='Select')
def set_options(event):
if event.new == 1:
select.options = OrderedDict([('D', 2), ('E', 'a')])
select.param.watch(set_options, 'value')
model = select._get_root(document, comm=comm)
select.value = 1
assert model.value == 'D'
assert model.options == ['D', 'E']
def test_select(document, comm):
opts = {'A': 'a', '1': 1}
select = Select(options=opts, value=opts['1'], name='Select')
widget = select._get_root(document, comm=comm)
assert isinstance(widget, select._widget_type)
assert widget.title == 'Select'
assert widget.value == '1'
assert widget.options == ['A', '1']
select._comm_change({'value': 'A'})
assert select.value == opts['A']
widget.value = '1'
select._comm_change({'value': '1'})
assert select.value == opts['1']
select.value = opts['A']
assert widget.value == 'A'
def test_select_mutables(document, comm):
opts = OrderedDict([('A', [1, 2, 3]), ('B', [2, 4, 6]),
('C', dict(a=1, b=2))])
select = Select(options=opts, value=opts['B'], name='Select')
widget = select._get_root(document, comm=comm)
assert isinstance(widget, select._widget_type)
assert widget.title == 'Select'
assert widget.value == 'B'
assert widget.options == ['A', 'B', 'C']
widget.value = 'B'
select._comm_change({'value': 'A'})
assert select.value == opts['A']
widget.value = 'B'
select._comm_change({'value': 'B'})
assert select.value == opts['B']
select.value = opts['A']
assert widget.value == 'A'
