def testNumChildrenWithTwoChildren(self):
testNode = BSTNode(15)
testNode.left = 10
testNode.right = 30
self.assertEqual(testNode.left, 10)
self.assertEqual(testNode.right, 30)
def testGetLenFollowingNode(self):
rootNode = BSTNode(50)
rootNode.left = BSTNode(25)
rootNode.right = BSTNode(100)
self.assertEqual(rootNode.getLenFollowingNode(), 3)
def testNumChildrenWithOneChild(self):
testNode = BSTNode(15)
testNode.left = 10
self.assertEqual(testNode.left, 10)
def testGetleftWithChildren(self):
testNode = BSTNode(50)
testNode.left = 10
self.assertEqual(testNode.getleft(), 10)
