def test_date_slider(document, comm):
date_slider = DateSlider(name='DateSlider',
value=date(2018, 9, 4),
start=date(2018, 9, 1),
end=date(2018, 9, 10))
widget = date_slider.get_root(document, comm=comm)
assert isinstance(widget, date_slider._widget_type)
assert widget.title == 'DateSlider'
assert widget.value == date(2018, 9, 4)
assert widget.start == date(2018, 9, 1)
assert widget.end == date(2018, 9, 10)
epoch = datetime(1970, 1, 1)
widget.value = (datetime(2018, 9, 3) - epoch).total_seconds() * 1000
date_slider._comm_change({'value': widget.value})
assert date_slider.value == date(2018, 9, 3)
# Test raw timestamp value:
date_slider._comm_change(
{'value': (datetime(2018, 9, 4) - epoch).total_seconds() * 1000.0})
assert date_slider.value == date(2018, 9, 4)
date_slider.value = date(2018, 9, 6)
assert widget.value == date_slider.value
def test_date_slider(document, comm):
date_slider = DateSlider(name='DateSlider',
value=date(2018, 9, 4),
start=date(2018, 9, 1), end=date(2018, 9, 10))
widget = date_slider.get_root(document, comm=comm)
assert isinstance(widget, date_slider._widget_type)
assert widget.title == 'DateSlider'
assert widget.value == 1536019200000
assert widget.start == 1535760000000.0
assert widget.end == 1536537600000.0
epoch = datetime(1970, 1, 1)
widget.value = (datetime(2018, 9, 3)-epoch).total_seconds()*1000
date_slider._process_events({'value': widget.value})
assert date_slider.value == date(2018, 9, 3)
date_slider._process_events({'value_throttled': (datetime(2018, 9, 3)-epoch).total_seconds()*1000})
assert date_slider.value_throttled == date(2018, 9, 3)
# Test raw timestamp value:
date_slider._process_events({'value': (datetime(2018, 9, 4)-epoch).total_seconds()*1000.0})
assert date_slider.value == date(2018, 9, 4)
date_slider._process_events({'value_throttled': (datetime(2018, 9, 4)-epoch).total_seconds()*1000.0})
assert date_slider.value_throttled == date(2018, 9, 4)
date_slider.value = date(2018, 9, 6)
assert widget.value == 1536192000000
# Testing throttled mode
epoch_time = lambda dt: (dt - epoch).total_seconds() * 1000
with config.set(throttled=True):
date_slider._process_events({'value': epoch_time(datetime(2021, 5, 15))})
assert date_slider.value == date(2018, 9, 6) # no change
date_slider._process_events({'value_throttled': epoch_time(datetime(2021, 5, 15))})
assert date_slider.value == date(2021, 5, 15)
date_slider.value = date(2021, 5, 12)
assert widget.value == 1620777600000
def test_date_slider(document, comm):
date_slider = DateSlider(name='DateSlider',
value=date(2018, 9, 4),
start=date(2018, 9, 1), end=date(2018, 9, 10))
widget = date_slider.get_root(document, comm=comm)
assert isinstance(widget, date_slider._widget_type)
assert widget.title == 'DateSlider'
assert widget.value == 1536019200000
assert widget.start == 1535760000000.0
assert widget.end == 1536537600000.0
epoch = datetime(1970, 1, 1)
widget.value = (datetime(2018, 9, 3)-epoch).total_seconds()*1000
date_slider._process_events({'value': widget.value})
assert date_slider.value == date(2018, 9, 3)
date_slider._process_events({'value_throttled': (datetime(2018, 9, 3)-epoch).total_seconds()*1000})
assert date_slider.value_throttled == date(2018, 9, 3)
# Test raw timestamp value:
date_slider._process_events({'value': (datetime(2018, 9, 4)-epoch).total_seconds()*1000.0})
assert date_slider.value == date(2018, 9, 4)
date_slider._process_events({'value_throttled': (datetime(2018, 9, 4)-epoch).total_seconds()*1000.0})
assert date_slider.value_throttled == date(2018, 9, 4)
date_slider.value = date(2018, 9, 6)
assert widget.value == 1536192000000