def test_bkwidget_bkplot_links(document, comm):
from bokeh.models import Slider
bokeh_widget = Slider(value=5, start=1, end=10, step=1e-1)
bokeh_fig = figure()
scatter = bokeh_fig.scatter([1, 2, 3], [1, 2, 3])
Link(bokeh_widget, scatter, properties={'value': 'glyph.size'})
row = Row(bokeh_fig, bokeh_widget)
row.get_root(document, comm=comm)
slider = bokeh_widget
link_customjs = slider.js_property_callbacks['change:value'][-1]
assert link_customjs.args['source'] is slider
assert link_customjs.args['target'] is scatter.glyph
code = """
value = source['value'];
value = value;
value = value;
try {
property = target.properties['size'];
if (property !== undefined) { property.validate(value); }
} catch(err) {
console.log('WARNING: Could not set size on target, raised error: ' + err);
return;
}
try {
target['size'] = value;
} catch(err) {
console.log(err)
}
"""
assert link_customjs.code == code
def test_bkwidget_hvplot_links(document, comm):
from bokeh.models import Slider
bokeh_widget = Slider(value=5, start=1, end=10, step=1e-1)
points1 = hv.Points([1, 2, 3])
Link(bokeh_widget, points1, properties={'value': 'glyph.size'})
row = Row(points1, bokeh_widget)
model = row.get_root(document, comm=comm)
hv_views = row.select(HoloViews)
assert len(hv_views) == 1
slider = bokeh_widget
scatter = hv_views[0]._plots[model.ref['id']][0].handles['glyph']
link_customjs = slider.js_property_callbacks['change:value'][-1]
assert link_customjs.args['source'] is slider
assert link_customjs.args['target'] is scatter
code = (
"value = source['value'];"
"try { property = target.properties['size'];"
"if (property !== undefined) { property.validate(value); } }"
"catch(err) { console.log('WARNING: Could not set size on target, raised error: ' + err); return; }"
"target['size'] = value")
assert link_customjs.code == code