def test_holoviews_widgets_invalid_widget_type_override():
hmap = hv.HoloMap({(i, chr(65 + i)): hv.Curve([i])
for i in range(3)},
kdims=['X', 'Y'])
with pytest.raises(ValueError):
HoloViews.widgets_from_dimensions(hmap, widget_types={'X': 1})
def test_holoviews_widgets_explicit_widget_instance_override():
hmap = hv.HoloMap({(i, chr(65+i)): hv.Curve([i]) for i in range(3)}, kdims=['X', 'Y'])
widget = Select(options=[1, 2, 3], value=3)
widgets, _ = HoloViews.widgets_from_dimensions(hmap, widget_types={'X': widget})
assert widgets[0] is widget
def test_holoviews_widgets_explicit_widget_type_override():
hmap = hv.HoloMap({(i, chr(65+i)): hv.Curve([i]) for i in range(3)}, kdims=['X', 'Y'])
widgets, _ = HoloViews.widgets_from_dimensions(hmap, widget_types={'X': Select})
assert isinstance(widgets[0], Select)
assert widgets[0].name == 'X'
assert widgets[0].options == OrderedDict([(str(i), i) for i in range(3)])
assert widgets[0].value == 0
def test_holoviews_widgets_from_dynamicmap(document, comm):
range_dim = hv.Dimension('A', range=(0, 10.))
range_step_dim = hv.Dimension('B', range=(0, 10.), step=0.2)
range_default_dim = hv.Dimension('C', range=(0, 10.), default=3)
value_dim = hv.Dimension('D', values=['a', 'b', 'c'])
value_default_dim = hv.Dimension('E',
values=['a', 'b', 'c', 'd'],
default='b')
value_numeric_dim = hv.Dimension('F', values=[1, 3, 10], default=3)
kdims = [
range_dim, range_step_dim, range_default_dim, value_dim,
value_default_dim, value_numeric_dim
]
dmap = hv.DynamicMap(lambda A, B, C, D, E, F: hv.Curve([]), kdims=kdims)
widgets, _ = HoloViews.widgets_from_dimensions(dmap)
assert len(widgets) == len(kdims)
assert isinstance(widgets[0], FloatSlider)
assert widgets[0].name == 'A'
assert widgets[0].start == range_dim.range[0]
assert widgets[0].end == range_dim.range[1]
assert widgets[0].value == range_dim.range[0]
assert widgets[0].step == 0.1
assert isinstance(widgets[1], FloatSlider)
assert widgets[1].name == 'B'
assert widgets[1].start == range_step_dim.range[0]
assert widgets[1].end == range_step_dim.range[1]
assert widgets[1].value == range_step_dim.range[0]
assert widgets[1].step == range_step_dim.step
assert isinstance(widgets[2], FloatSlider)
assert widgets[2].name == 'C'
assert widgets[2].start == range_default_dim.range[0]
assert widgets[2].end == range_default_dim.range[1]
assert widgets[2].value == range_default_dim.default
assert widgets[2].step == 0.1
assert isinstance(widgets[3], Select)
assert widgets[3].name == 'D'
assert widgets[3].options == value_dim.values
assert widgets[3].value == value_dim.values[0]
assert isinstance(widgets[4], Select)
assert widgets[4].name == 'E'
assert widgets[4].options == value_default_dim.values
assert widgets[4].value == value_default_dim.default
assert isinstance(widgets[5], DiscreteSlider)
assert widgets[5].name == 'F'
assert widgets[5].options == OrderedDict([
(str(v), v) for v in value_numeric_dim.values
])
assert widgets[5].value == value_numeric_dim.default
def test_holoviews_date_slider_widgets_from_holomap():
hmap = hv.HoloMap({dt.datetime(2016, 1, i+1): hv.Curve([i]) for i in range(3)}, kdims=['X'])
widgets, _ = HoloViews.widgets_from_dimensions(hmap)
assert isinstance(widgets[0], DiscreteSlider)
assert widgets[0].name == 'X'
assert widgets[0].options == OrderedDict([
('2016-01-01 00:00:00', dt.datetime(2016, 1, 1)),
('2016-01-02 00:00:00', dt.datetime(2016, 1, 2)),
('2016-01-03 00:00:00', dt.datetime(2016, 1, 3))])
assert widgets[0].value == dt.datetime(2016, 1, 1)
def test_holoviews_widgets_from_holomap():
hmap = hv.HoloMap({(i, chr(65+i)): hv.Curve([i]) for i in range(3)}, kdims=['X', 'Y'])
widgets, _ = HoloViews.widgets_from_dimensions(hmap)
assert isinstance(widgets[0], DiscreteSlider)
assert widgets[0].name == 'X'
assert widgets[0].options == OrderedDict([(str(i), i) for i in range(3)])
assert widgets[0].value == 0
assert isinstance(widgets[1], Select)
assert widgets[1].name == 'Y'
assert widgets[1].options == ['A', 'B', 'C']
assert widgets[1].value == 'A'
