def compute_layout(self, *, n_cols, n_rows, ori, n_children):
from kivy.uix.widget import Widget
from kivy.uix.gridlayout import GridLayout
gl = GridLayout(cols=n_cols, rows=n_rows, orientation=ori, pos=(0, 0))
gl.bind(minimum_size=gl.setter("size"))
for __ in range(n_children):
# set 'pos' to some random value to make this test more reliable
gl.add_widget(
Widget(size_hint=(None, None), size=(100, 100), pos=(8, 8)))
gl.do_layout()
return [tuple(c.pos) for c in reversed(gl.children)]
def test_children_pos(n_cols, n_rows, orientation, n_children, expectation):
from kivy.uix.widget import Widget
from kivy.uix.gridlayout import GridLayout
gl = GridLayout(cols=n_cols,
rows=n_rows,
orientation=orientation,
pos=(0, 0),
size=(30, 30))
for __ in range(n_children):
gl.add_widget(Widget())
gl.do_layout()
actual_layout = [tuple(c.pos) for c in reversed(gl.children)]
assert actual_layout == expectation
