def test_get_grandparents_value(self):
board2 = Board()
node1 = Node(True, board2)
node2 = node1.createChild()
node3 = node2.createChild()
node3.get_grandparents_value()
node2.get_grandparents_value()
self.assertEqual(node3.value, node1.value)
self.assertNotEquals(node2.value, node1.value)
node2.value = -10
node4 = node3.createChild()
node4.get_grandparents_value()
self.assertEqual(node4.value, -10)
def test_update_value(self):
board = Board()
node1 = Node(True, board)
node2 = node1.createChild()
node3 = node2.createChild()
node3.get_grandparents_value()
node2.get_grandparents_value()
node3.value = 10
node2.update_value()
self.assertEqual(node2.value, node3.value)
node1.value = 100
node1.update_value()
self.assertEqual(node1.value, 100)
node3.update_value()
self.assertEqual(node3.value, 10)
self.assertEqual(node1.children[0].children[0], node3)
self.assertEqual(node1.children[0], node2)
self.assertEqual(node3.parent.parent, node1)
self.assertEqual(node3.parent, node2)
def test_createChild(self):
n = Node(True, board.blank)
child = n.createChild()
self.assertEqual(child.parent, n)