def test_Children_SingleChild(self):
grandParent = KeyedNode("grand pa")
parent = KeyedNode("pa")
child = KeyedNode("me")
child.set_parent(parent)
parent.set_parent(grandParent)
self.assertListEqual(child.get_child_nodes(), [])
self.assertListEqual(parent.get_child_nodes(), [child])
self.assertListEqual(grandParent.get_child_nodes(), [parent])
def test_Children_MultipleChildren(self):
grandParent = KeyedNode("grand pa")
parent = KeyedNode("pa")
aunt = KeyedNode("aunt")
uncle = KeyedNode("uncle")
me = KeyedNode("me")
brother = KeyedNode("bro")
sister = KeyedNode("si")
me.set_parent(parent)
brother.set_parent(parent)
sister.set_parent(parent)
parent.set_parent(grandParent)
aunt.set_parent(grandParent)
uncle.set_parent(grandParent)
self.assertListEqual(me.get_child_nodes(), [])
self.assertListEqual(parent.get_child_nodes(), [me, brother, sister])
self.assertListEqual(grandParent.get_child_nodes(),
[parent, aunt, uncle])
def test_Children_DefaultEmpty(self):
child = KeyedNode("me")
self.assertListEqual(child.get_child_nodes(), [])
