def test_reference_child_update(self, set_name):
from kivy.properties import NumericProperty, ReferenceListProperty
x = NumericProperty(0)
if set_name:
x.set_name(wid, 'x')
x.link_eagerly(wid)
else:
x.link(wid, 'x')
x.link_deps(wid, 'x')
y = NumericProperty(0)
if set_name:
y.set_name(wid, 'y')
y.link_eagerly(wid)
else:
y.link(wid, 'y')
y.link_deps(wid, 'y')
pos = ReferenceListProperty(x, y)
if set_name:
pos.set_name(wid, 'pos')
pos.link_eagerly(wid)
else:
pos.link(wid, 'pos')
pos.link_deps(wid, 'pos')
pos.get(wid)[0] = 10
self.assertEqual(pos.get(wid), [10, 0])
pos.get(wid)[:] = (20, 30)
self.assertEqual(pos.get(wid), [20, 30])
def test_reference(self, set_name):
from kivy.properties import NumericProperty, ReferenceListProperty
x = NumericProperty(0)
if set_name:
x.set_name(wid, 'x')
x.link_eagerly(wid)
else:
x.link(wid, 'x')
x.link_deps(wid, 'x')
y = NumericProperty(0)
if set_name:
y.set_name(wid, 'y')
y.link_eagerly(wid)
else:
y.link(wid, 'y')
y.link_deps(wid, 'y')
pos = ReferenceListProperty(x, y)
if set_name:
pos.set_name(wid, 'pos')
pos.link_eagerly(wid)
else:
pos.link(wid, 'pos')
pos.link_deps(wid, 'pos')
self.assertEqual(x.get(wid), 0)
self.assertEqual(y.get(wid), 0)
self.assertEqual(pos.get(wid), [0, 0])
x.set(wid, 50)
self.assertEqual(pos.get(wid), [50, 0])
y.set(wid, 50)
self.assertEqual(pos.get(wid), [50, 50])
pos.set(wid, [0, 0])
self.assertEqual(pos.get(wid), [0, 0])
self.assertEqual(x.get(wid), 0)
self.assertEqual(y.get(wid), 0)
# test observer
global observe_called
observe_called = 0
def observe(obj, value):
global observe_called
observe_called = 1
pos.bind(wid, observe)
self.assertEqual(observe_called, 0)
x.set(wid, 99)
self.assertEqual(observe_called, 1)