def test_holoviews_pane_initialize_empty(document, comm):
pane = HoloViews()
# Create pane
row = pane._get_root(document, comm=comm)
assert isinstance(row, BkRow)
assert len(row.children) == 1
model = row.children[0]
assert isinstance(model, BkSpacer)
pane.object = hv.Curve([1, 2, 3])
model = row.children[0]
assert isinstance(model, Figure)
def test_holoviews_updates_widgets(document, comm):
hmap = hv.HoloMap({(i, chr(65 + i)): hv.Curve([i])
for i in range(3)},
kdims=['X', 'Y'])
hv_pane = HoloViews(hmap)
layout = hv_pane._get_root(document, comm)
hv_pane.widgets = {'X': Select}
assert isinstance(hv_pane.widget_box[0], Select)
assert isinstance(layout.children[1].children[0], BkSelect)
hv_pane.widgets = {'X': DiscreteSlider}
assert isinstance(hv_pane.widget_box[0], DiscreteSlider)
assert isinstance(layout.children[1].children[0], BkColumn)
assert isinstance(layout.children[1].children[0].children[1], BkSlider)
def test_holoviews_with_widgets(document, comm):
hmap = hv.HoloMap({(i, chr(65 + i)): hv.Curve([i])
for i in range(3)},
kdims=['X', 'Y'])
hv_pane = HoloViews(hmap)
layout = hv_pane._get_root(document, comm)
model = layout.children[0]
assert len(hv_pane.widget_box.objects) == 2
assert hv_pane.widget_box.objects[0].name == 'X'
assert hv_pane.widget_box.objects[1].name == 'Y'
assert hv_pane._models[layout.ref['id']][0] is model
hmap = hv.HoloMap({(i, chr(65 + i)): hv.Curve([i])
for i in range(3)},
kdims=['A', 'B'])
hv_pane.object = hmap
assert len(hv_pane.widget_box.objects) == 2
assert hv_pane.widget_box.objects[0].name == 'A'
assert hv_pane.widget_box.objects[1].name == 'B'
