def setUp(self):
self.path1 = Path([(-0.3, 0.4), (-0.3, 0.3), (-0.2, 0.3), (-0.2, 0.4),
(-0.3, 0.4)])
self.path2 = Path([(-0.3, 0.4), (-0.3, 0.3), (-0.2, 0.3), (-0.2, 0.4),
(-3, 4)])
self.contours1 = Contours([(-0.3, 0.4), (-0.3, 0.3), (-0.2, 0.3),
(-0.2, 0.4), (-0.3, 0.4)],
level=1)
self.contours2 = Contours([(-0.3, 0.4), (-0.3, 0.3), (-0.2, 0.3),
(-0.2, 0.4), (-3, 4)],
level=1)
self.contours3 = Contours([(-0.3, 0.4), (-0.3, 0.3), (-0.2, 0.3),
(-0.2, 0.4), (-0.3, 0.4)],
level=2)
self.bounds1 = Bounds(0.3)
self.bounds2 = Bounds(0.4)
self.box1 = Box(-0.25, 0.3, 0.3)
self.box2 = Box(-0.25, 0.3, 0.4)
self.ellipse1 = Ellipse(-0.25, 0.3, 0.3)
self.ellipse2 = Ellipse(-0.25, 0.3, 0.4)
def setUp(self):
self.path1 = Path([(-0.3, 0.4), (-0.3, 0.3), (-0.2, 0.3), (-0.2, 0.4),
(-0.3, 0.4)])
self.path2 = Path([(-0.3, 0.4), (-0.3, 0.3), (-0.2, 0.3), (-0.2, 0.4),
(-3, 4)])
self.contours1 = Contours([(-0.3, 0.4, 1), (-0.3, 0.3, 1),
(-0.2, 0.3, 1), (-0.2, 0.4, 1),
(-0.3, 0.4, 1)],
vdims='Level')
self.contours2 = Contours([(-0.3, 0.4, 1), (-0.3, 0.3, 1),
(-0.2, 0.3, 1), (-0.2, 0.4, 1), (-3, 4, 1)],
vdims='Level')
self.contours3 = Contours([(-0.3, 0.4, 2), (-0.3, 0.3, 2),
(-0.2, 0.3, 2), (-0.2, 0.4, 2),
(-0.3, 0.4, 2)],
vdims='Level')
self.bounds1 = Bounds(0.3)
self.bounds2 = Bounds(0.4)
self.box1 = Box(-0.25, 0.3, 0.3)
self.box2 = Box(-0.25, 0.3, 0.4)
self.ellipse1 = Ellipse(-0.25, 0.3, 0.3)
self.ellipse2 = Ellipse(-0.25, 0.3, 0.4)
def test_boundsxy_dynamic_map(self):
# Build Holoviews Elements
scatter = Scatter([0, 0])
boundsxy = BoundsXY(source=scatter)
dmap = DynamicMap(lambda bounds: Bounds(bounds)
if bounds is not None else Bounds((0, 0, 0, 0)),
streams=[boundsxy])
# Convert to Dash
components = to_dash(self.app, [scatter, dmap], reset_button=True)
# Check returned components
self.assertIsInstance(components, DashComponents)
self.assertEqual(len(components.graphs), 2)
self.assertEqual(len(components.kdims), 0)
self.assertIsInstance(components.store, Store)
self.assertEqual(len(components.resets), 1)
# Get arguments passed to @app.callback decorator
decorator_args = list(self.app.callback.call_args_list[0])[0]
outputs, inputs, states = decorator_args
# Check outputs
expected_outputs = [(g.id, "figure") for g in components.graphs] + \
[(components.store.id, "data")]
self.assertEqual([(output.component_id, output.component_property)
for output in outputs], expected_outputs)
# Check inputs
expected_inputs = [(g.id, prop) for g in components.graphs
for prop in ["selectedData", "relayoutData"]
] + [(components.resets[0].id, "n_clicks")]
self.assertEqual(
[(ip.component_id, ip.component_property) for ip in inputs],
expected_inputs,
)
# Check State
expected_state = [(components.store.id, "data")]
self.assertEqual(
[(state.component_id, state.component_property)
for state in states],
expected_state,
)
# Check initial figures
fig1 = components.graphs[0].figure
fig2 = components.graphs[1].figure
self.assertEqual(fig1["data"][0]["type"], "scatter")
# Second figure holds the bounds element
self.assertEqual(len(fig2["data"]), 0)
self.assertEqual(len(fig2["layout"]["shapes"]), 1)
self.assertEqual(fig2["layout"]["shapes"][0]["path"],
"M0 0L0 0L0 0L0 0L0 0Z")
# Get callback function
callback_fn = self.app.callback.return_value.call_args[0][0]
# # mimic initial callback invocation
store_value = encode_store_data(
{"streams": {
id(boundsxy): boundsxy.contents
}})
# Update store, then mimic a box selection on scatter figure
# store_value = new_store
with patch.object(
CallbackContext, "triggered",
[{
"prop_id": inputs[0].component_id + ".selectedData"
}]):
[fig1, fig2,
new_store] = callback_fn({"range": {
"x": [1, 2],
"y": [3, 4]
}}, {}, {}, {}, 0, store_value)
# First figure is the scatter trace
self.assertEqual(fig1["data"][0]["type"], "scatter")
# Second figure holds the bounds element
self.assertEqual(len(fig2["data"]), 0)
self.assertEqual(len(fig2["layout"]["shapes"]), 1)
self.assertEqual(
fig2["layout"]["shapes"][0]["path"],
"M1 3L1 4L2 4L2 3L1 3Z",
)
# Check that store was updated
self.assertEqual(decode_store_data(new_store), {
"streams": {
id(boundsxy): {
"bounds": (1, 3, 2, 4)
}
},
"kdims": {}
})
# Click reset button
with patch.object(CallbackContext, "triggered",
[{
"prop_id": components.resets[0].id + ".n_clicks"
}]):
[fig1, fig2,
new_store] = callback_fn({"range": {
"x": [1, 2],
"y": [3, 4]
}}, {}, {}, {}, 1, store_value)
# First figure is the scatter trace
self.assertEqual(fig1["data"][0]["type"], "scatter")
# Second figure holds reset bounds elemnt
self.assertEqual(len(fig2["data"]), 0)
self.assertEqual(len(fig2["layout"]["shapes"]), 1)
self.assertEqual(fig2["layout"]["shapes"][0]["path"],
"M0 0L0 0L0 0L0 0L0 0Z")
# Reset button should clear bounds in store
self.assertEqual(
decode_store_data(new_store), {
"streams": {
id(boundsxy): {
"bounds": None
}
},
"reset_nclicks": 1,
"kdims": {}
})