def test_remove_and_put_buffers(self):
mv1 = memoryview(b'test1')
mv2 = memoryview(b'test2')
state = {
'plain': [0, 'text'], # should not get removed
'x': {
'ar': mv1
}, # should result in an empty dict
'y': {
'shape': (10, 10),
'data': mv1
},
'z': (mv1, mv2), # tests tuple assigment
'top': mv1, # test a top level removal
'deep': {
'a': 1,
'b': [0, {
'deeper': mv2
}]
}
} # deeply nested
plain = state['plain']
x = state['x']
y = state['y']
y_shape = y['shape']
state_before = state
state, buffer_paths, buffers = _remove_buffers(state)
# check if buffers are removed
self.assertIn('plain', state)
self.assertIn('shape', state['y'])
self.assertNotIn('ar', state['x'])
self.assertEqual(state['x'], {})
self.assertNotIn('data', state['y'])
self.assertNotIn(mv1, state['z'])
self.assertNotIn(mv1, state['z'])
self.assertNotIn('top', state)
self.assertIn('deep', state)
self.assertIn('b', state['deep'])
self.assertNotIn('deeper', state['deep']['b'][1])
# check that items that didn't need change aren't touched
self.assertIsNot(state, state_before)
self.assertIs(state['plain'], plain)
self.assertIsNot(state['x'], x)
self.assertIsNot(state['y'], y)
self.assertIs(state['y']['shape'], y_shape)
# check that the buffer paths really point to the right buffer
for path, buffer in [(['x', 'ar'], mv1), (['y', 'data'], mv1), (['z', 0], mv1), (['z', 1], mv2),\
(['top'], mv1), (['deep', 'b', 1, 'deeper'], mv2)]:
self.assertIn(path, buffer_paths, "%r not in path" % path)
index = buffer_paths.index(path)
self.assertEqual(buffer, buffers[index])
# and check that we can put it back together again
_put_buffers(state, buffer_paths, buffers)
# we know that tuples get converted to list, so help the comparison by changing the tuple to a list
state_before['z'] = list(state_before['z'])
self.assertEqual(state_before, state)
def test_widgets_state(performance):
try:
_remove_buffers = None
try:
from ipywidgets.widgets.widget import _remove_buffers
except:
pass
ipyvolume.serialize.performance = performance
x, y, z = np.random.random((3, 100))
p3.figure()
scatter = p3.scatter(x, y, z)
state = scatter.get_state()
if _remove_buffers:
_remove_buffers(state)
else:
scatter._split_state_buffers(state)
finally:
ipyvolume.serialize.performance = 0
def test_remove_and_put_buffers(self):
mv1 = memoryview(b'test1')
mv2 = memoryview(b'test2')
state = {'plain': [0, 'text'], # should not get removed
'x': {'ar': mv1}, # should result in an empty dict
'y': {'shape': (10, 10), 'data': mv1},
'z': (mv1, mv2), # tests tuple assigment
'top': mv1, # test a top level removal
'deep': {'a': 1, 'b':[0,{'deeper':mv2}]}} # deeply nested
plain = state['plain']
x = state['x']
y = state['y']
y_shape = y['shape']
state_before = state
state, buffer_paths, buffers = _remove_buffers(state)
# check if buffers are removed
self.assertIn('plain', state)
self.assertIn('shape', state['y'])
self.assertNotIn('ar', state['x'])
self.assertEqual(state['x'], {})
self.assertNotIn('data', state['y'])
self.assertNotIn(mv1, state['z'])
self.assertNotIn(mv1, state['z'])
self.assertNotIn('top', state)
self.assertIn('deep', state)
self.assertIn('b', state['deep'])
self.assertNotIn('deeper', state['deep']['b'][1])
# check that items that didn't need change aren't touched
self.assertIsNot(state, state_before)
self.assertIs(state['plain'], plain)
self.assertIsNot(state['x'], x)
self.assertIsNot(state['y'], y)
self.assertIs(state['y']['shape'], y_shape)
# check that the buffer paths really point to the right buffer
for path, buffer in [(['x', 'ar'], mv1), (['y', 'data'], mv1), (['z', 0], mv1), (['z', 1], mv2),\
(['top'], mv1), (['deep', 'b', 1, 'deeper'], mv2)]:
self.assertIn(path, buffer_paths, "%r not in path" % path)
index = buffer_paths.index(path)
self.assertEqual(buffer, buffers[index])
# and check that we can put it back together again
_put_buffers(state, buffer_paths, buffers)
# we know that tuples get converted to list, so help the comparison by changing the tuple to a list
state_before['z'] = list(state_before['z'])
self.assertEqual(state_before, state)
