def test_items(self):
layout = BorderLayout()
container = Frame(self.context, layout)
child1 = Panel(self.context)
child2 = Panel(self.context)
child3 = Panel(self.context)
child4 = Panel(self.context)
child5 = Panel(self.context)
container.add(child1)
container.add(child2, Border.Left)
container.add(child3, Border.Top, Insets(2, 2, 2, 2))
container.add(child4, Border.Right, padding=Insets(5, 5, 5, 5))
container.add(child5,
region=Border.Bottom,
padding=Insets(10, 10, 10, 10))
def assert_item(item: BorderItem, child: Component, border: Border,
padding: Insets) -> None:
self.assertEqual(child, item.component.unwrap())
self.assertEqual(border, item.border)
self.assertEqual(padding, item.padding)
assert_item(layout.areas[Border.Center], child1, Border.Center,
Insets(0, 0, 0, 0))
assert_item(layout.areas[Border.Top], child3, Border.Top,
Insets(2, 2, 2, 2))
assert_item(layout.areas[Border.Right], child4, Border.Right,
Insets(5, 5, 5, 5))
assert_item(layout.areas[Border.Bottom], child5, Border.Bottom,
Insets(10, 10, 10, 10))
assert_item(layout.areas[Border.Left], child2, Border.Left,
Insets(0, 0, 0, 0))
container.add(child1, Border.Right)
container.remove(child2)
container.remove(child3)
assert_item(layout.areas[Border.Right], child1, Border.Right,
Insets(0, 0, 0, 0))
# noinspection PyTypeChecker
children = Fold.collect_all(
map(lambda a: a.component, layout.areas.values()), Some(
())).unwrap()
self.assertEqual({child5, child1}, set(children))
self.assertEqual(Nothing, layout.areas[Border.Top].component)
self.assertEqual(Some(child1), layout.areas[Border.Right].component)
self.assertEqual(Some(child5), layout.areas[Border.Bottom].component)
self.assertEqual(Nothing, layout.areas[Border.Left].component)
def test_validation(self):
container = Frame(self.context)
container.bounds = Bounds(30, 30, 200, 200)
child = Panel(self.context)
child.bounds = Bounds(10, 10, 20, 20)
container.validate()
self.assertEqual(True, container.valid)
container.add(child)
self.assertEqual(False, container.valid)
container.validate()
child.bounds = Bounds(10, 10, 30, 30)
self.assertEqual(False, container.valid)
container.validate()
child.preferred_size_override = Some(Dimension(60, 60))
self.assertEqual(False, container.valid)
container.validate()
child.minimum_size_override = Some(Dimension(10, 10))
self.assertEqual(False, container.valid)
container.validate()
child.visible = False
self.assertEqual(False, container.valid)
container.validate()
container.remove(child)
self.assertEqual(False, container.valid)