def test_reorder_children(self):
child1, child2 = Group(name='child1'), Group(name='child2')
a = Group('a')
a.add_child(child1)
a.add_child(child2)
a.reorder_children(1, 0)
assert a.children[0].name == 'child2'
assert a.children[1].name == 'child1'
def test_add_self_as_child(self):
a = Group(name='a')
with pytest.raises(Exception):
a.add_child(a)
def test_replace_child(self):
child1, child2 = Group(name='child1'), Group(name='child2')
mid = Group(name='mid')
mid.add_child(child1)
mid.replace_child(child1, child2)
assert mid.children[0].name == 'child2'
def test_add_invalidchild(self):
a = Group(name='a')
with pytest.raises(TypeError):
a.add_child("bazar")