def test_widget_base_container_remove_child_removes_child():
fake_parent = BaseContainer(id='id')
b_elem = BaseContainer(id='id2', parent=fake_parent)
assert len(fake_parent.children) == 1 and fake_parent.children[0] is b_elem
fake_parent.remove_child(b_elem)
assert len(
fake_parent.children
) == 0, "BaseContainer.remove_child should remove child from BaseContainer.children."
def test_widget_base_container_remove_child_dispatches_remove():
view_test = FakeDispatchView({'name': 'remove', 'selector': '#id'})
fake_parent = BaseContainer(id='id')
b_elem = BaseElement(id='id')
fake_parent.add_child(b_elem)
fake_parent.view = view_test
fake_parent.remove_child(b_elem)
view_test.verify()
def test_widget_base_container_remove_child_unsets_parent():
fake_parent = BaseContainer(id='id')
b_elem = BaseContainer(id='id2', parent=fake_parent)
assert b_elem.parent is fake_parent
fake_parent.remove_child(b_elem)
assert b_elem.parent is None, "BaseContainer.remove_child should reset the child's parent to None."