def test_normalize(self):
node1 = Node(2.0, 4.0)
node1.normalize()
print(node1.length(), node1.length() == 1.0)
assert node1.length() - 1.0 < 0.001
node2 = Node(0.0, 0.0)
assert_raises(ArithmeticError, node2.normalize)
def test_normalize(self):
node1 = Node(2.0, 4.0)
node1.normalize()
print(node1.length(), node1.length() == 1.0)
assert node1.length() - 1.0 < 0.001
node2 = Node(0.0, 0.0)
assert_raises(ArithmeticError, node2.normalize)
def test_length(self):
node1 = Node(0, 0)
node2 = Node(3.0, 4.0)
assert node1.length() == 0
assert node2.length() == 5
def test_length(self):
node1 = Node(0, 0)
node2 = Node(3.0, 4.0)
assert node1.length() == 0
assert node2.length() == 5
