def test_find_child_node_from_node_tree(self):
node1 = Node()
node1a = Node()
node1a1 = Node()
node1a1.color = 'blue'
node1a2 = Node()
node1a2.value = 13
node1b = Node()
node1b1 = Node()
node1b1.find_me = True
node1b1.color = 'blue'
node1.children.append(node1a, node1b)
node1a.children.append(node1a1, node1a2)
node1b.children.append(node1b1)
assert node1.find_child(value=13) == node1a2
assert node1.find_child(find_me=True) == node1b1
assert node1.find_child(color='blue') == [node1a1, node1b1]
def test_find_parent_node_from_node_tree(self):
node1 = Node()
node1a = Node()
node1a1 = Node()
node1a1.color = 'blue'
node1a2 = Node()
node1a2.value = 13
node1b = Node()
node1b1 = Node()
node1b1.find_me = True
node1b1.color = 'blue'
node1.parents.append(node1a, node1b)
node1a.parents.append(node1a1, node1a2)
node1b.parents.append(node1b1)
assert node1.find_parent(value=13) == node1a2
assert node1.find_parent(find_me=True) == node1b1
assert node1.find_parent(color='blue') == [node1a1, node1b1]
assert node1.find_parent(find_me=True, color='blue') == node1b1
