def test_widget_link_no_transform_error():
t1 = DatetimeInput()
t2 = TextInput()
with pytest.raises(ValueError) as excinfo:
t1.jslink(t2, value='value')
assert "Cannot jslink \'value\' parameter on DatetimeInput object" in str(excinfo)
def test_widget_link_no_target_transform_error():
t1 = DatetimeInput()
t2 = TextInput()
with pytest.raises(ValueError) as excinfo:
t2.jslink(t1, value='value')
assert (
"Cannot jslink 'value' parameter on TextInput object to 'value' parameter on DatetimeInput"
) in str(excinfo)
def test_datetime_input(document, comm):
dt_input = DatetimeInput(value=datetime(2018, 1, 1),
start=datetime(2017, 12, 31),
end=datetime(2018, 1, 10),
name='Datetime')
widget = dt_input._get_root(document, comm=comm)
assert isinstance(widget, dt_input._widget_type)
assert widget.title == 'Datetime'
assert widget.value == '2018-01-01 00:00:00'
dt_input._comm_change({'value': '2018-01-01 00:00:01'})
assert dt_input.value == datetime(2018, 1, 1, 0, 0, 1)
assert widget.title == 'Datetime'
dt_input._comm_change({'value': '2018-01-01 00:00:01a'})
assert dt_input.value == datetime(2018, 1, 1, 0, 0, 1)
assert widget.title == 'Datetime (invalid)'
dt_input._comm_change({'value': '2018-01-11 00:00:00'})
assert dt_input.value == datetime(2018, 1, 1, 0, 0, 1)
assert widget.title == 'Datetime (out of bounds)'
dt_input._comm_change({'value': '2018-01-02 00:00:01'})
assert dt_input.value == datetime(2018, 1, 2, 0, 0, 1)
assert widget.title == 'Datetime'
with pytest.raises(ValueError):
dt_input.value = datetime(2017, 12, 30)
def test_datetime_input(document, comm):
dt_input = DatetimeInput(value=datetime(2018, 1, 1),
end=datetime(2018, 1, 10),
name='Datetime')
box = dt_input._get_model(document, comm=comm)
assert isinstance(box, WidgetBox)
widget = box.children[0]
assert isinstance(widget, dt_input._widget_type)
assert widget.title == 'Datetime'
assert widget.value == '2018-01-01 00:00:00'
dt_input._comm_change({'value': '2018-01-01 00:00:01'})
assert dt_input.value == datetime(2018, 1, 1, 0, 0, 1)
assert widget.title == 'Datetime'
dt_input._comm_change({'value': '2018-01-01 00:00:01a'})
assert dt_input.value == datetime(2018, 1, 1, 0, 0, 1)
assert widget.title == 'Datetime (invalid)'
dt_input._comm_change({'value': '2018-01-11 00:00:00'})
assert dt_input.value == datetime(2018, 1, 1, 0, 0, 1)
assert widget.title == 'Datetime (out of bounds)'
dt_input._comm_change({'value': '2018-01-02 00:00:01'})
assert dt_input.value == datetime(2018, 1, 2, 0, 0, 1)
assert widget.title == 'Datetime'